File Source for blog.lib.php

<?php
/**
===============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) Keppens Toon
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
===============================================================================
Functions in this API file:
===============================================================================
*/
/**
* Blog class
* Contains several functions dealing with displaying,
* editing,... of a blog
*
* @version 1.0
* @package dokeos.blogs
* @author Toon Keppens <toon@vi-host.net>
*
*/
class Blog
{
/**
* Get the title of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return String Blog Title
*/
function get_blog_title($blog_id)
{
if(is_numeric($blog_id))
{
// init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "
SELECT `blog_name`
FROM " . $tbl_blogs . "
WHERE `blog_id` = " . mysql_real_escape_string((int)$blog_id);
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog = mysql_fetch_array($result);
return stripslashes($blog['blog_name']);
}
}
/**
* Get the description of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return String Blog description
*/
function get_blog_subtitle($blog_id)
{
// init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT blog_subtitle FROM $tbl_blogs WHERE blog_id ='".mysql_real_escape_string((int)$blog_id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog = mysql_fetch_array($result);
return stripslashes($blog['blog_subtitle']);
}
/**
* Get the users of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Array Returns an array with [userid]=>[username]
*/
function get_blog_users($blog_id)
{
// Database table definitions
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
// Get blog members
$sql = "
SELECT
user.user_id,
user.firstname,
user.lastname
FROM " . $tbl_blogs_rel_user . " blogs_rel_user
INNER JOIN " . $tbl_users . " user ON blogs_rel_user.user_id = user.user_id
WHERE blogs_rel_user.blog_id = '" . mysql_real_escape_string((int)$blog_id)."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog_members = array ();
while($user = mysql_fetch_array($result))
{
$blog_members[$user['user_id']] = $user['lastname']." " . $user['firstname'];
}
return $blog_members;
}
/**
* Creates a new blog in the given course
* @author Toon Keppens
*
* @param Integer $course_id Id
* @param String $title
* @param Text $description
*
* @return void
*/
function create_blog($title, $subtitle)
{
global $_user;
// Tabel definitions
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
// Create the blog
$sql = "INSERT INTO $tbl_blogs (`blog_name`, `blog_subtitle`, `date_creation`, `visibility` )
VALUES ('".mysql_real_escape_string($title)."', '".mysql_real_escape_string($subtitle)."', NOW(), '1');";
api_sql_query($sql, __FILE__, __LINE__);
$this_blog_id = Database::get_last_insert_id();
// Make first post. :)
$sql = "INSERT INTO $tbl_blogs_posts (`title`, `full_text`, `date_creation`, `blog_id`, `author_id` )
VALUES ('".get_lang("Welcome")."', '" . get_lang('FirstPostText')."', NOW(), '".mysql_real_escape_string((int)$this_blog_id)."', '".mysql_real_escape_string((int)$_user['user_id'])."');";
api_sql_query($sql, __FILE__, __LINE__);
// Put it on course homepage
$sql = "INSERT INTO $tbl_tool (name, link, image, visibility, admin, address, added_tool)
VALUES ('".mysql_real_escape_string($title)."','blog/blog.php?blog_id=".(int)$this_blog_id."','blog.gif','1','0','pastillegris.gif',0)";
api_sql_query($sql, __FILE__, __LINE__);
// Subscribe the teacher to this blog
Blog::set_user_subscribed((int)$this_blog_id,(int)$_user['user_id']);
return void;
}
/**
* Update title and subtitle of a blog in the given course
* @author Toon Keppens
*
* @param Integer $course_id Id
* @param String $title
* @param Text $description
*
* @return void
*/
function edit_blog($blog_id, $title, $subtitle)
{
global $_user;
// Table definitions
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
// Update the blog
$sql = "UPDATE $tbl_blogs SET blog_name = '".mysql_real_escape_string($title)."', blog_subtitle = '".mysql_real_escape_string($subtitle)."' WHERE blog_id ='".mysql_real_escape_string((int)$blog_id)."' LIMIT 1";
api_sql_query($sql, __FILE__, __LINE__);
$this_blog_id = Database::get_last_insert_id();
// Update course homepage link
$sql = "UPDATE $tbl_tool SET name = '".mysql_real_escape_string($title)."' WHERE link = 'blog/blog.php?blog_id=".mysql_real_escape_string((int)$blog_id)."' LIMIT 1";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Deletes a blog and it's posts from the course database
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return void
*/
function delete_blog($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comment = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$tbl_blogs_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
// Delete posts from DB and the attachments
delete_all_blog_attachment($blog_id);
//Delete comments
$sql = "DELETE FROM $tbl_blogs_comment WHERE blog_id ='".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete posts
$sql = "DELETE FROM $tbl_blogs_posts WHERE blog_id ='".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete tasks
$sql = "DELETE FROM $tbl_blogs_tasks WHERE blog_id ='".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete ratings
$sql = "DELETE FROM $tbl_blogs_rating WHERE blog_id ='".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete blog
$sql ="DELETE FROM $tbl_blogs WHERE blog_id ='".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete from course homepage
$sql = "DELETE FROM $tbl_tool WHERE link = 'blog/blog.php?blog_id=".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Creates a new post in a given blog
* @author Toon Keppens
*
* @param String $title
* @param String $full_text
* @param Integer $blog_id
*
* @return void
*/
function create_post($title, $full_text, $file_comment, $blog_id)
{
global $_user;
global $_course;
global $blog_table_attachment;
$upload_ok=true;
$has_attachment=false;
if(!empty($_FILES['user_upload']['name']))
{
require_once('fileUpload.lib.php');
$upload_ok = process_uploaded_file($_FILES['user_upload']);
$has_attachment=true;
}
if($upload_ok)
{
// Table Definitions
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
// Create the post
$sql = "INSERT INTO " . $tbl_blogs_posts." (`title`, `full_text`, `date_creation`, `blog_id`, `author_id` )
VALUES ('".Database::escape_string($title)."', '".Database::escape_string($full_text)."', NOW(), '".(int)$blog_id."', '".(int)$_user['user_id']."');";
api_sql_query($sql, __FILE__, __LINE__);
$last_post_id=Database::insert_id();
if ($has_attachment)
{
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
// Try to add an extension to the file if it hasn't one
$new_file_name = add_ext_on_mime(stripslashes($_FILES['user_upload']['name']), $_FILES['user_upload']['type']);
// user's file name
$file_name =$_FILES['user_upload']['name'];
if (!filter_extension($new_file_name))
{
Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
}
else
{
$new_file_name = uniqid('');
$new_path=$updir.'/'.$new_file_name;
$result= @move_uploaded_file($_FILES['user_upload']['tmp_name'], $new_path);
$comment=Database::escape_string($file_comment);
// Storing the attachments if any
if ($result)
{
$sql='INSERT INTO '.$blog_table_attachment.'(filename,comment, path, post_id,size, blog_id,comment_id) '.
"VALUES ( '".Database::escape_string($file_name)."', '".Database::escape_string($comment)."', '".Database::escape_string($new_file_name)."' , '".$last_post_id."', '".$_FILES['user_upload']['size']."', '".$blog_id."', '0' )";
$result=api_sql_query($sql, __LINE__, __FILE__);
$message.=' / '.get_lang('AttachmentUpload');
}
}
}
}
else
{
Display::display_error_message(get_lang('UplNoFileUploaded'));
}
return void;
}
/**
* Edits a post in a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param String $title
* @param String $full_text
* @param Integer $blog_id
*
* @return void
*/
function edit_post($post_id, $title, $full_text, $blog_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
// Create the post
$sql = "UPDATE $tbl_blogs_posts SET title = '" . mysql_real_escape_string($title)."', full_text = '" . mysql_real_escape_string($full_text)."' WHERE post_id ='".(int)$post_id."' AND blog_id ='".(int)$blog_id."' LIMIT 1 ;";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Deletes an article and it's comments
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $post_id
*
* @return void
*/
function delete_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
// Delete ratings on this comment
$sql = "DELETE FROM $tbl_blogs_rating WHERE blog_id = '".(int)$blog_id."' AND item_id = '".(int)$post_id."' AND rating_type = 'post'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete the post
$sql = "DELETE FROM $tbl_blogs_posts WHERE `post_id` = '".(int)$post_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete the comments
$sql = "DELETE FROM $tbl_blogs_comments WHERE `post_id` = '".(int)$post_id."' AND `blog_id` = '".(int)$blog_id."'";
api_sql_query($sql, __FILE__, __LINE__);
// Delete posts and attachments
delete_all_blog_attachment($blog_id,$post_id);
return void;
}
/**
* Creates a comment on a post in a given blog
* @author Toon Keppens
*
* @param String $title
* @param String $full_text
* @param Integer $blog_id
* @param Integer $post_id
* @param Integer $parent_id
*
* @return void
*/
function create_comment($title, $full_text, $file_comment,$blog_id, $post_id, $parent_id, $task_id = 'NULL')
{
global $_user;
global $_course;
global $blog_table_attachment;
$upload_ok=true;
$has_attachment=false;
if(!empty($_FILES['user_upload']['name']))
{
require_once('fileUpload.lib.php');
$upload_ok = process_uploaded_file($_FILES['user_upload']);
$has_attachment=true;
}
if($upload_ok)
{
// Table Definition
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
// Create the comment
$sql = "INSERT INTO $tbl_blogs_comments (`title`, `comment`, `author_id`, `date_creation`, `blog_id`, `post_id`, `parent_comment_id`, `task_id` )
VALUES ('".mysql_real_escape_string($title)."', '".mysql_real_escape_string($full_text)."', '".(int)$_user['user_id']."', NOW(), '".(int)$blog_id."', '".(int)$post_id."', '".(int)$parent_id."', '".(int)$task_id."')";
api_sql_query($sql, __FILE__, __LINE__);
// Empty post values, or they are shown on the page again
$_POST['comment_title'] = "";
$_POST['comment_text'] = "";
$last_id=Database::insert_id();
if ($has_attachment)
{
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
// Try to add an extension to the file if it hasn't one
$new_file_name = add_ext_on_mime(stripslashes($_FILES['user_upload']['name']), $_FILES['user_upload']['type']);
// user's file name
$file_name =$_FILES['user_upload']['name'];
if (!filter_extension($new_file_name))
{
Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
}
else
{
$new_file_name = uniqid('');
$new_path=$updir.'/'.$new_file_name;
$result= @move_uploaded_file($_FILES['user_upload']['tmp_name'], $new_path);
$comment=Database::escape_string($file_comment);
// Storing the attachments if any
if ($result)
{
$sql='INSERT INTO '.$blog_table_attachment.'(filename,comment, path, post_id,size,blog_id,comment_id) '.
"VALUES ( '".Database::escape_string($file_name)."', '".Database::escape_string($comment)."', '".Database::escape_string($new_file_name)."' , '".$post_id."', '".$_FILES['user_upload']['size']."', '".$blog_id."', '".$last_id."' )";
$result=api_sql_query($sql, __LINE__, __FILE__);
$message.=' / '.get_lang('AttachmentUpload');
}
}
}
}
return void;
}
/**
* Deletes a comment from a blogpost
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $comment_id
*
* @return void
*/
function delete_comment($blog_id, $post_id, $comment_id)
{
// Init
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
delete_all_blog_attachment($blog_id,$post_id,$comment_id);
// Delete ratings on this comment
$sql = "DELETE FROM $tbl_blogs_rating WHERE blog_id = '".(int)$blog_id."' AND item_id = '".(int)$comment_id."' AND rating_type = 'comment'";
api_sql_query($sql, __FILE__, __LINE__);
// select comments that have the selected comment as their parent
$sql = "SELECT comment_id FROM $tbl_blogs_comments WHERE parent_comment_id = '".(int)$comment_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
// Delete them recursively
while($comment = mysql_fetch_array($result))
{
Blog::delete_comment($blog_id,$post_id,$comment['comment_id']);
}
// Finally, delete the selected comment to
$sql = "DELETE FROM $tbl_blogs_comments WHERE `comment_id` = '".(int)$comment_id."'";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Creates a new task in a blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param String $title
* @param String $description
* @param String $color
*
* @return void
*/
function create_task($blog_id, $title, $description, $articleDelete, $articleEdit, $commentsDelete, $color)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
// Create the task
$sql = "INSERT INTO $tbl_blogs_tasks (`blog_id`, `title`, `description`, `color`, `system_task` )
VALUES ('".(int)$blog_id."', '" . mysql_real_escape_string($title)."', '" . mysql_real_escape_string($description)."', '" . mysql_real_escape_string($color)."', '0');";
api_sql_query($sql, __FILE__, __LINE__);
$task_id = mysql_insert_id();
$tool = 'BLOG_' . $blog_id;
if($articleDelete == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_delete'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
if($articleEdit == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_edit'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
if($commentsDelete == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_comments_delete'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
return void;
}
/**
* Edit a task in a blog
* @author Toon Keppens
*
* @param Integer $task_id
* @param String $title
* @param String $description
* @param String $color
*
* @return void
*/
function edit_task($blog_id, $task_id, $title, $description, $articleDelete, $articleEdit, $commentsDelete, $color)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
// Create the task
$sql = "UPDATE $tbl_blogs_tasks SET
title = '".mysql_real_escape_string($title)."',
description = '".mysql_real_escape_string($description)."',
color = '".mysql_real_escape_string($color)."'
WHERE task_id ='".(int)$task_id."' LIMIT 1";
api_sql_query($sql, __FILE__, __LINE__);
$tool = 'BLOG_' . $blog_id;
$sql = "
DELETE FROM " . $tbl_tasks_permissions . "
WHERE `task_id` = '" . (int)$task_id."'";
api_sql_query($sql, __FILE__, __LINE__);
if($articleDelete == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_delete'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
if($articleEdit == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_edit'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
if($commentsDelete == 'on')
{
$sql = "
INSERT INTO " . $tbl_tasks_permissions . " (
`task_id`,
`tool`,
`action`
) VALUES (
'" . (int)$task_id . "',
'" . mysql_real_escape_string($tool) . "',
'article_comments_delete'
)";
api_sql_query($sql, __FILE__, __LINE__);
}
return void;
}
/**
* Deletes a task from a blog
*
* @param Integer $blog_id
* @param Integer $task_id
*/
function delete_task($blog_id, $task_id)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks WHERE `blog_id` = '".(int)$blog_id."' AND `task_id` = '".(int)$task_id."'";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Deletes an assigned task from a blog
*
* @param Integer $blog_id
* @param Integer $assignment_id
*/
function delete_assigned_task($blog_id, $assignment_id)
{
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$parameters = explode('|',$assignment_id);
$task_id = $parameters[0];
$user_id = $parameters[1];
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks_rel_user WHERE `blog_id` = '".(int)$blog_id."' AND `task_id` = '".(int)$task_id."' AND `user_id` = '".(int)$user_id."'";
api_sql_query($sql, __FILE__, __LINE__);
return void;
}
/**
* Get personal task list
* @author Toon Keppens
*
* @return Returns an unsorted list (<ul>) with the users' tasks
*/
function get_personal_task_list()
{
global $_user;
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
if($_user['user_id'])
{
$sql = "SELECT task_rel_user.*, task.title, blog.blog_name FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
AND blog.blog_id = ".intval($_GET['blog_id'])."
WHERE task_rel_user.user_id = ".(int)$_user['user_id']." ORDER BY `target_date` ASC";
$result = api_sql_query($sql, __FILE__, __LINE__);
if(mysql_numrows($result) > 0)
{
echo '<ul>';
while($mytask = mysql_fetch_array($result))
{
echo '<li><a href="blog.php?action=execute_task&blog_id=' . $mytask['blog_id'] . '&task_id='.stripslashes($mytask['task_id']) . '" title="[Blog: '.stripslashes($mytask['blog_name']) . '] ' . get_lang('ExecuteThisTask') . '">'.stripslashes($mytask['title']) . '</a></li>';
}
echo '<ul>';
}
else
{
echo get_lang('NoTasks');
}
}
else
{
echo get_lang('NoTasks');
}
}
/**
* Changes the visibility of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return void
*/
function change_blog_visibility($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
// Get blog properties
$sql = "SELECT blog_name, visibility FROM $tbl_blogs WHERE blog_id='".(int)$blog_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog = mysql_fetch_array($result);
$visibility = $blog['visibility'];
$title = $blog['blog_name'];
if($visibility == 1)
{
// Change visibility state, remove from course home.
$sql = "UPDATE $tbl_blogs SET `visibility` = '0' WHERE `blog_id` ='".(int)$blog_id."' LIMIT 1";
$result = api_sql_query($sql, __FILE__, __LINE__);
$sql = "DELETE FROM $tbl_tool WHERE name = '".mysql_real_escape_string($title)."' LIMIT 1";
$result = api_sql_query($sql, __FILE__, __LINE__);
}
else
{
// Change visibility state, add to course home.
$sql = "UPDATE $tbl_blogs SET `visibility` = '1' WHERE `blog_id` ='".(int)$blog_id."' LIMIT 1";
$result = api_sql_query($sql, __FILE__, __LINE__);
$sql = "INSERT INTO $tbl_tool (`name`, `link`, `image`, `visibility`, `admin`, `address`, `added_tool`, `target` )
VALUES ('".mysql_real_escape_string($title)."', 'blog/blog.php?blog_id=".(int)$blog_id."', 'blog.gif', '1', '0', 'pastillegris.gif', '0', '_self')";
$result = api_sql_query($sql, __FILE__, __LINE__);
}
return void;
}
/**
* Shows the posts of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_blog_posts($blog_id, $filter = '1=1', $max_number_of_posts = 20)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
global $dateFormatLong;
// Get posts and authors
$sql = "SELECT post.*, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."'
AND $filter
ORDER BY post_id DESC LIMIT 0,".(int)$max_number_of_posts;
$result = api_sql_query($sql, __FILE__, __LINE__);
// Display
if(mysql_num_rows($result) > 0)
{
while($blog_post = mysql_fetch_array($result))
{
// Get number of comments
$sql = "SELECT COUNT(1) as number_of_comments FROM $tbl_blogs_comments WHERE blog_id = '".(int)$blog_id."' AND post_id = '" . (int)$blog_post['post_id']."'";
$tmp = api_sql_query($sql, __FILE__, __LINE__);
$blog_post_comments = mysql_fetch_array($tmp);
// Prepare data
$blog_post_id = $blog_post['post_id'];
$blog_post_text = make_clickable(stripslashes($blog_post['full_text']));
$blog_post_date = ucfirst(format_locale_date($dateFormatLong,strtotime($blog_post['date_creation'])));
$blog_post_time = date('H:i',strtotime($blog_post['date_creation']));
// Create an introduction text (but keep FULL sentences)
$limit = 100; //nmbr of words in introduction text
$introduction_text = "";
$words = 0;
$tok = strtok(make_clickable(stripslashes($blog_post['full_text'])), " ");
//original
//$tok = strtok(make_clickable(stripslashes(strip_tags($blog_post['full_text'],"<br><p><ol><ul><li><img>"))), " ");
while($tok)
{
$introduction_text .= " $tok";
$words++;
// check if the number of words is larger than our limit AND if this token ends with a ! . or ? (meaning end of sentance).
if(($words >= $limit) && ((substr($tok, -1) == "!")||(substr($tok, -1) == ".")||(substr($tok, -1) == "?")))
{
break;
}
$tok = strtok(" ");
}
if($words >= $limit)
{
$readMoreLink = ' <span class="link" onclick="document.getElementById(\'blogpost_text_' . $blog_post_id . '\').style.display=\'block\'; document.getElementById(\'blogpost_introduction_' . $blog_post_id . '\').style.display=\'none\'">' . get_lang('ReadMore') . '</span>';
}
else
{
$readMoreLink = '';
}
$introduction_text=stripslashes($introduction_text);
echo '<div class="blogpost">'."\n";
echo '<span class="blogpost_title"><a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >'.stripslashes($blog_post['title']) . '</a></span>'."\n";
echo '<span class="blogpost_date"><a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >' . $blog_post_date . ' (' . $blog_post_time . ')</span>'."\n";
echo '<span class="blogpost_introduction" id="blogpost_introduction_' . $blog_post_id . '">' . $introduction_text . $readMoreLink . '</span>'."\n";
echo '<span class="blogpost_text" id="blogpost_text_' . $blog_post_id . '" style="display: none">' . $blog_post_text . '</span>'."\n";
$file_name_array=get_blog_attachment($blog_id,$blog_post_id,0);
if (!empty($file_name_array))
{
echo '<br /><br />';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '<a href="download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' </a><br />';
echo '</span>';
}
echo '<span class="blogpost_info">' . get_lang('Author') . ': ' . $blog_post['lastname'] . ' ' . $blog_post['firstname'] . ' - <a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >' . get_lang('Comments') . ': ' . $blog_post_comments['number_of_comments'] . '</a></span>'."\n";
echo '</div>'."\n";
}
}
else
{
if($filter == '1=1')
{
echo get_lang('NoArticles');
}
else
{
echo get_lang('NoArticleMatches');
}
}
}
/**
* Display the search results
*
* @param Integer $blog_id
* @param String $query_string
*/
function display_search_results($blog_id, $query_string)
{
// Init
$query_string_parts = explode(' ',$query_string);
$query_string = array();
foreach ($query_string_parts as $query_part)
{
$query_string[] = " full_text LIKE '%" . $query_part."%' OR title LIKE '%" . $query_part."%' ";
}
$query_string = '('.implode('OR',$query_string) . ')';
// Display the posts
echo '<span class="blogpost_title">' . get_lang('SearchResults') . '</span>';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Display posts from a certain date
*
* @param Integer $blog_id
* @param String $query_string
*/
function display_day_results($blog_id, $query_string)
{
// Init
$date_output = $query_string;
$date = explode('-',$query_string);
$query_string = ' DAYOFMONTH(`date_creation`) =' . $date[2] . ' AND MONTH(`date_creation`) =' . $date[1] . ' AND YEAR(`date_creation`) =' . $date[0];
global $dateFormatLong;
// Put date in correct output format
$date_output = ucfirst(format_locale_date($dateFormatLong,strtotime($date_output)));
// Display the posts
echo '<span class="blogpost_title">' . get_lang('PostsOf') . ': ' . $date_output . '</span>';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Displays a post and his comments
*
* @param Integer $blog_id
* @param Integer $post_id
*/
function display_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
global $charset,$dateFormatLong;
// Get posts and author
$sql = "SELECT post.*, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."'
AND post.post_id = '".(int)$post_id."'
ORDER BY post_id DESC";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog_post = mysql_fetch_array($result);
// Get number of comments
$sql = "SELECT COUNT(1) as number_of_comments FROM $tbl_blogs_comments WHERE blog_id = '".(int)$blog_id."' AND post_id = '".(int)$post_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog_post_comments = mysql_fetch_array($result);
// Prepare data
$blog_post_text = make_clickable(stripslashes($blog_post['full_text']));
$blog_post_date = ucfirst(format_locale_date($dateFormatLong,strtotime($blog_post['date_creation'])));
$blog_post_time = date('H:m',strtotime($blog_post['date_creation']));
$blog_post_actions = "";
$task_id = (isset($_GET['task_id']) && is_numeric($_GET['task_id'])) ? $_GET['task_id'] : 0;
if(api_is_allowed('BLOG_' . $blog_id, 'article_edit', $task_id))
$blog_post_actions .= '<a href="blog.php?action=edit_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&article_id=' . $blog_post['post_id'] . '&task_id=' . $task_id . '" title="' . get_lang('EditThisPost') . '"><img src="../img/edit.gif" /></a>';
if(api_is_allowed('BLOG_' . $blog_id, 'article_delete', $task_id))
$blog_post_actions .= '<a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&do=delete_article&article_id=' . $blog_post['post_id'] . '&task_id=' . $task_id . '" title="' . get_lang('DeleteThisArticle') . '" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"><img src="../img/delete.gif" border="0" /></a>';
if(api_is_allowed('BLOG_' . $blog_id, 'article_rate'))
$rating_select = Blog::display_rating_form('post',$blog_id,$post_id);
$blog_post_text=stripslashes($blog_post_text);
// Display post
echo '<div class="blogpost">';
echo '<span class="blogpost_title"><a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '" title="' . get_lang('ReadPost') . '" >'.stripslashes($blog_post['title']) . '</a></span>';
echo '<span class="blogpost_date">' . $blog_post_date . ' (' . $blog_post_time . ')</span>';
echo '<span class="blogpost_text">' . $blog_post_text . '</span><br />';
$file_name_array=get_blog_attachment($blog_id,$post_id);
if (!empty($file_name_array))
{
echo ' <br />';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '<a href="download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' </a>';
echo '</span>';
echo '<span class="attachment_comment">';
echo $file_name_array['comment'];
echo '</span>';
echo '<br />';
}
echo '<span class="blogpost_info">' . get_lang('Author') . ': ' . $blog_post['lastname'] . ' ' . $blog_post['firstname'] . ' - ' . get_lang('Comments') . ': ' . $blog_post_comments['number_of_comments'] . ' - ' . get_lang('Rating') . ': '.Blog::display_rating('post',$blog_id,$post_id) . $rating_select . '</span>';
echo '<span class="blogpost_actions">' . $blog_post_actions . '</span>';
echo '</div>';
// Display comments if there are any
if($blog_post_comments['number_of_comments'] > 0)
{
echo '<div class="comments">';
echo '<span class="blogpost_title">' . get_lang('Comments') . '</span><br />';
Blog::get_threaded_comments(0, 0, $blog_id, $post_id, $task_id);
echo '</div>';
}
// Display comment form
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_add'))
{
Blog::display_new_comment_form($blog_id, $post_id, $blog_post['title']);
}
}
/**
* Adds rating to a certain post or comment
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
* @param Integer $rating
*
* @return Boolean success
*/
function add_rating($type, $blog_id, $item_id, $rating)
{
global $_user;
// Init
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
// Check if the user has already rated this post/comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$item_id."'
AND rating_type = '".mysql_real_escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if(mysql_num_rows($result) == 0) // Add rating
{
$sql = "INSERT INTO $tbl_blogs_rating ( `blog_id`, `rating_type`, `item_id`, `user_id`, `rating` )
VALUES ('".(int)$blog_id."', '".mysql_real_escape_string($type)."', '".(int)$item_id."', '".(int)$_user['user_id']."', '".mysql_real_escape_string($rating)."')";
$result = api_sql_query($sql, __FILE__, __LINE__);
return true;
}
else // Return
{
return false;
}
}
function display_rating($type, $blog_id, $item_id)
{
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
// Calculate rating
$sql = "SELECT AVG(rating) as rating FROM $tbl_blogs_rating WHERE blog_id = '".(int)$blog_id."' AND item_id = '".(int)$item_id."' AND rating_type = '".mysql_real_escape_string($type)."' ";
$result = api_sql_query($sql, __FILE__, __LINE__);
$result = mysql_fetch_array($result);
return round($result['rating'], 2);
}
/**
* Shows the rating form if not already rated by that user
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
*
*/
function display_rating_form($type, $blog_id, $post_id, $comment_id = NULL)
{
global $_user;
// Init
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
if($type == 'post')
{
// Check if the user has already rated this post
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$post_id."'
AND rating_type = '".mysql_real_escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if(mysql_num_rows($result) == 0) // Add rating
{
return ' - ' . get_lang('RateThis') . ': <form method="get" action="blog.php" style="display: inline" id="frm_rating_' . $type . '_' . $post_id . '" name="frm_rating_' . $type . '_' . $post_id . '"><select name="rating" onchange="document.forms[\'frm_rating_' . $type . '_' . $post_id . '\'].submit()"><option value="">-</option><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option></select><input type="hidden" name="action" value="view_post" /><input type="hidden" name="type" value="' . $type . '" /><input type="hidden" name="do" value="rate" /><input type="hidden" name="blog_id" value="' . $blog_id . '" /><input type="hidden" name="post_id" value="' . $post_id . '" /></form>';
}
else // Return
{
return '';
}
}
if($type = 'comment')
{
// Check if the user has already rated this comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE blog_id = '".(int)$blog_id ."'
AND item_id = '".(int)$comment_id."'
AND rating_type = '".mysql_real_escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
if(mysql_num_rows($result) == 0) // Add rating
{
return ' - ' . get_lang('RateThis') . ': <form method="get" action="blog.php" style="display: inline" id="frm_rating_' . $type . '_' . $comment_id . '" name="frm_rating_' . $type . '_' . $comment_id . '"><select name="rating" onchange="document.forms[\'frm_rating_' . $type . '_' . $comment_id . '\'].submit()"><option value="">-</option><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option></select><input type="hidden" name="action" value="view_post" /><input type="hidden" name="type" value="' . $type . '" /><input type="hidden" name="do" value="rate" /><input type="hidden" name="blog_id" value="' . $blog_id . '" /><input type="hidden" name="post_id" value="' . $post_id . '" /><input type="hidden" name="comment_id" value="' . $comment_id . '" /></form>';
}
else // Return
{
return '';
}
}
}
/**
* This functions gets all replys to a post, threaded.
*
* @param Integer $current
* @param Integer $current_level
* @param Integer $blog_id
* @param Integer $post_id
*/
function get_threaded_comments($current = 0, $current_level = 0, $blog_id, $post_id, $task_id = 0)
{
// Init
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
global $charset,$dateFormatLong;
// Select top level comments
$next_level = $current_level + 1;
$sql = "SELECT comments.*, user.lastname, user.firstname, task.color
FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
LEFT JOIN $tbl_blogs_tasks task ON comments.task_id = task.task_id
WHERE parent_comment_id = $current
AND comments.blog_id = '".(int)$blog_id."'
AND comments.post_id = '".(int)$post_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
while($comment = mysql_fetch_array($result))
{
// Select the children recursivly
$tmp = "SELECT comments.*, user.lastname, user.firstname FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
WHERE comment_id = $current
AND blog_id = '".(int)$blog_id."'
AND post_id = '".(int)$post_id."'";
$tmp = api_sql_query($tmp, __FILE__, __LINE__);
$tmp = mysql_fetch_array($tmp);
$parent_cat = $tmp['parent_comment_id'];
$border_color = '';
// Prepare data
$comment_text = make_clickable(stripslashes($comment['comment']));
$blog_comment_date = ucfirst(format_locale_date($dateFormatLong,strtotime($comment['date_creation'])));
$blog_comment_time = date('H:i',strtotime($comment['date_creation']));
$blog_comment_actions = "";
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_delete', $task_id)) { $blog_comment_actions .= '<a href="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&do=delete_comment&comment_id=' . $comment['comment_id'] . '&task_id=' . $task_id . '" title="' . get_lang('DeleteThisComment') . '" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"><img src="../img/delete.gif" border="0" /></a>'; }
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_rate')) { $rating_select = Blog::display_rating_form('comment', $blog_id, $post_id, $comment['comment_id']); }
if(!is_null($comment['task_id']))
{
$border_color = ' border-left: 3px solid #' . $comment['color'];
}
$comment_text=stripslashes($comment_text);
// Output...
$margin = $current_level * 30;
echo '<div class="blogpost_comment" style="margin-left: ' . $margin . 'px;' . $border_color . '">';
echo '<span class="blogpost_comment_title"><a href="#add_comment" onclick="document.getElementById(\'comment_parent_id\').value=\'' . $comment['comment_id'] . '\'; document.getElementById(\'comment_title\').value=\'Re: '.addslashes($comment['title']) . '\'" title="' . get_lang('ReplyToThisComment') . '" >'.stripslashes($comment['title']) . '</a></span>';
echo '<span class="blogpost_comment_date">' . $blog_comment_date . ' (' . $blog_comment_time . ')</span>';
echo '<span class="blogpost_text">' . $comment_text . '</span>';
$file_name_array=get_blog_attachment($blog_id,$post_id, $comment['comment_id']);
if (!empty($file_name_array))
{
echo '<br /><br />';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '<a href="download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' </a>';
echo '<span class="attachment_comment">';
echo $file_name_array['comment'];
echo '</span><br />';
}
echo '<span class="blogpost_comment_info">' . get_lang('Author') . ': ' . $comment['lastname'] . ' ' . $comment['firstname'] . ' - ' . get_lang('Rating') . ': '.Blog::display_rating('comment', $blog_id, $comment['comment_id']) . $rating_select . '</span>';
echo '<span class="blogpost_actions">' . $blog_comment_actions . '</span>';
echo '</div>';
// Go further down the tree.
Blog::get_threaded_comments( $comment['comment_id'], $next_level, $blog_id, $post_id);
}
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_form_new_post($blog_id)
{
if(api_is_allowed('BLOG_' . $blog_id, 'article_add'))
{
echo '<script type="text/javascript">
function FCKeditor_OnComplete( editorInstance )
{
editorInstance.Events.AttachEvent( \'OnSelectionChange\', check_for_title ) ;
}
function check_for_title()
{
// This functions shows that you can interact directly with the editor area
// DOM. In this way you have the freedom to do anything you want with it.
// Get the editor instance that we want to interact with.
var oEditor = FCKeditorAPI.GetInstance(\'post_full_text\') ;
// Get the Editor Area DOM (Document object).
var oDOM = oEditor.EditorDocument ;
var iLength ;
var contentText ;
var contentTextArray;
var bestandsnaamNieuw = "";
var bestandsnaamOud = "";
// The are two diffent ways to get the text (without HTML markups).
// It is browser specific.
if( document.all ) // If Internet Explorer.
{
contentText = oDOM.body.innerText ;
}
else // If Gecko.
{
var r = oDOM.createRange() ;
r.selectNodeContents( oDOM.body ) ;
contentText = r.toString() ;
}
// Compose title if there is none
contentTextArray = contentText.split(\' \') ;
var x=0;
for(x=0; (x<5 && x<contentTextArray.length); x++)
{
if(x < 4)
{
bestandsnaamNieuw += contentTextArray[x] + \' \';
}
else
{
bestandsnaamNieuw += contentTextArray[x] + \'...\';
}
}
if(document.getElementById(\'post_title_edited\').value == "false")
{
document.getElementById(\'post_title\').value = bestandsnaamNieuw;
}
}
function trim(s) {
while(s.substring(0,1) == \' \') {
s = s.substring(1,s.length);
}
while(s.substring(s.length-1,s.length) == \' \') {
s = s.substring(0,s.length-1);
}
return s;
}
function check_if_still_empty()
{
if(trim(document.getElementById(\'post_title\').value) != "")
{
document.getElementById(\'post_title_edited\').value = "true";
}
}
</script>';
echo '<form name="add_post" enctype="multipart/form-data" method="post" action="blog.php?blog_id=' . $blog_id . '">
<span class="blogpost_title">' . get_lang('NewPost') . '</span>
<table width="100%" border="0" cellspacing="2" cellpadding="0">
<tr>
<td width="80" valign="top">' . get_lang('Title') . ':  </td>
<td><input name="post_title" id="post_title" type="text" size="60" onblur="check_if_still_empty()" />' .
'<input type="hidden" name="post_title_edited" id="post_title_edited" value="false" /><br /><br /></td>
</tr>
<tr>
<td valign="top">' . get_lang('PostFullText') . ':  </td>
<td>';
$oFCKeditor = new FCKeditor('post_full_text') ;
$oFCKeditor->BasePath = api_get_path(WEB_PATH) . 'main/inc/lib/fckeditor/' ;
$oFCKeditor->Height = '350';
$oFCKeditor->Width = '98%';
$oFCKeditor->Value = isset($_POST['post_full_text'])?stripslashes($_POST['post_full_text']):'';
$oFCKeditor->Config['CustomConfigurationsPath'] = api_get_path(REL_PATH)."main/inc/lib/fckeditor/myconfig.js";
$oFCKeditor->Config['IMUploadPath'] = "upload/blog/";
$oFCKeditor->ToolbarSet = "Blog";
$TBL_LANGUAGES = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql="SELECT isocode FROM ".$TBL_LANGUAGES." WHERE english_name='".mysql_real_escape_string($_SESSION["_course"]["language"])."'";
$result_sql=api_sql_query($sql);
$isocode_language=mysql_result($result_sql,0,0);
$oFCKeditor->Config['DefaultLanguage'] = $isocode_language;
$oFCKeditor->Create() ;
echo ' <br /></td>
</tr>
<tr><td><b>'.get_lang('AddAnAttachment').'</b><br /><br /></td></tr>
<tr><td width="80" valign="top">' . ucwords(get_lang('FileName') ). ':  </td>
<td><input type="file" name="user_upload"/></td><br></tr>
<tr><td width="80" valign="top">' . get_lang('FileComment'). ':  </td>
<td><br /><textarea name="post_file_comment" cols="34" /></textarea></td></tr>
<tr>
<td > </td>
<td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="new_post_submit" value="true" />
<input type="submit" name="Submit" value="' . get_lang('Ok') . '" />
</td>
</tr>
</table>
</form>';
}
else
{
api_not_allowed();
}
}
/**
* Displays the form to edit a post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_form_edit_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
// Get posts and author
$sql = "SELECT post.*, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id ."'
AND post.post_id = '".(int)$post_id."'
ORDER BY post_id DESC";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog_post = mysql_fetch_array($result);
// Prepare data
$blog_post_text = stripslashes($blog_post['full_text']);
echo '<form name="edit_post" method="post" action="blog.php?blog_id=' . $blog_id . '">
<span class="blogpost_title">' . get_lang('EditPost') . '</span>
<table width="100%" border="0" cellspacing="2" cellpadding="0">
<tr>
<td width="80" valign="top">' . get_lang('Title') . ':  </td>
<td><input name="post_title" id="post_title" type="text" size="60" value="'.stripslashes($blog_post['title']) . '" /><br /><br /></td>
</tr>
<tr>
<td valign="top">' . get_lang('PostFullText') . ':  </td>
<td>';
$oFCKeditor = new FCKeditor('post_full_text') ;
$oFCKeditor->BasePath = api_get_path(WEB_PATH) . 'main/inc/lib/fckeditor/' ;
$oFCKeditor->Height = '350';
$oFCKeditor->Width = '98%';
$oFCKeditor->Value = isset($_POST['post_full_text'])?stripslashes($_POST['post_full_text']):$blog_post_text;
$oFCKeditor->Config['CustomConfigurationsPath'] = api_get_path(REL_PATH)."main/inc/lib/fckeditor/myconfig.js";
$oFCKeditor->Config['IMUploadPath'] = "upload/blog/";
$oFCKeditor->ToolbarSet = "Blog";
$TBL_LANGUAGES = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql="SELECT isocode FROM ".$TBL_LANGUAGES." WHERE english_name='".mysql_real_escape_string($_SESSION["_course"]["language"])."'";
$result_sql=api_sql_query($sql);
$isocode_language=mysql_result($result_sql,0,0);
$oFCKeditor->Config['DefaultLanguage'] = $isocode_language;
$oFCKeditor->Create() ;
echo ' <br /></td>
</tr>
<tr>
<td > </td>
<td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="edit_post_submit" value="true" />
<input type="hidden" name="post_id" value="' . (int)$_GET['post_id'] . '" />
<input type="submit" name="Submit" value="' . get_lang('Ok') . '" />
</td>
</tr>
</table>
</form>';
}
/**
* Displays a list of tasks in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_task_list($blog_id)
{
global $charset;
if(api_is_allowed('BLOG_' . $blog_id, 'article_add'))
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$counter = 0;
global $color2;
echo '<a href="' .api_get_self(). '?action=manage_tasks&blog_id=' . $blog_id . '&do=add"><img src="../img/blog.gif" border="0" align="middle" alt="scormbuilder" />' . get_lang('AddTasks') . '</a> ';
echo '<a href="' .api_get_self(). '?action=manage_tasks&blog_id=' . $blog_id . '&do=assign"><img src="../img/blog.gif" border="0" align="middle" alt="scormbuilder" />' . get_lang('AssignTasks') . '</a>';
echo '<span class="blogpost_title">' . get_lang('TaskList') . '</span><br />';
echo "<table class=\"data_table\">";
echo "<tr bgcolor=\"$color2\" align=\"center\" valign=\"top\">",
"<th width='240'><b>",get_lang('Title'),"</b></th>\n",
"<th><b>",get_lang('Description'),"</b></th>\n",
"<th><b>",get_lang('Color'),"</b></th>\n",
"<th width='50'><b>",get_lang('Modify'),"</b></th>\n",
"</tr>\n";
$sql = "
SELECT
`blog_id`,
`task_id`,
`blog_id`,
`title`,
`description`,
`color`,
`system_task`
FROM " . $tbl_blogs_tasks . "
WHERE `blog_id` = " . (int)$blog_id . "
ORDER BY
`system_task`,
`title`";
$result = api_sql_query($sql, __FILE__, __LINE__);
while($task = mysql_fetch_array($result))
{
$counter++;
$css_class = (($counter % 2) == 0) ? "row_odd" : "row_even";
$delete_icon = ($task['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($task['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($task['system_task'] == '1') ? '#' : api_get_self() . '?action=manage_tasks&blog_id=' . $task['blog_id'] . '&do=delete&task_id=' . $task['task_id'];
$delete_confirm = ($task['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"';
echo '<tr class="' . $css_class . '" valign="top">',
'<td width="240">' . stripslashes($task['title']) . '</td>',
'<td>' . stripslashes($task['description']) . '</td>',
'<td><span style="background-color: #' . $task['color'] . '">                 </span></td>',
'<td width="50">',
'<a href="' .api_get_self(). '?action=manage_tasks&blog_id=' . $task['blog_id'] . '&do=edit&task_id=' . $task['task_id'] . '">',
'<img src="../img/edit.gif" border="0" title="' . get_lang('EditTask') . '" />',
"</a>\n",
'<a href="' . $delete_link . '"',
$delete_confirm,
'><img src="../img/' . $delete_icon . '" border="0" title="' . $delete_title . '" />',
"</a>\n",
'</td>',
'</tr>';
}
echo "</table>";
}
}
/**
* Displays a list of tasks assigned to a user in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_assigned_task_list($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$counter = 0;
global $charset,$color2;
echo '<span class="blogpost_title">' . get_lang('AssignedTasks') . '</span><br />';
echo "<table class=\"data_table\">";
echo "<tr bgcolor=\"$color2\" align=\"center\" valign=\"top\">",
"<th width='240'><b>",get_lang('Member'),"</b></th>\n",
"<th><b>",get_lang('Task'),"</b></th>\n",
"<th><b>",get_lang('Description'),"</b></th>\n",
"<th><b>",get_lang('TargetDate'),"</b></th>\n",
"<th width='50'><b>",get_lang('Modify'),"</b></th>\n",
"</tr>\n";
$sql = "SELECT task_rel_user.*, task.title, user.firstname, user.lastname, task.description FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_users user ON task_rel_user.user_id = user.user_id
WHERE task_rel_user.blog_id = '".(int)$blog_id."' ORDER BY `target_date` ASC";
$result = api_sql_query($sql, __FILE__, __LINE__);
while($assignment = mysql_fetch_array($result))
{
$counter++;
$css_class = (($counter % 2)==0) ? "row_odd" : "row_even";
$delete_icon = ($task['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($task['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($task['system_task'] == '1') ? '#' : api_get_self() . '?action=manage_tasks&blog_id=' . $task['blog_id'] . '&do=delete&task_id=' . $task['task_id'];
$delete_confirm = ($task['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"';
echo '<tr class="' . $css_class . '" valign="top">',
'<td width="240">' . $assignment['firstname'] . ' ' . $assignment['lastname'] . '</td>',
'<td>'.stripslashes($assignment['title']) . '</td>',
'<td>'.stripslashes($assignment['description']) . '</td>',
'<td>' . $assignment['target_date'] . '</td>',
'<td width="50">',
'<a href="' .api_get_self(). '?action=manage_tasks&blog_id=' . $assignment['blog_id'] . '&do=edit_assignment&assignment_id=' . $assignment['task_id'] . '|' . $assignment['user_id'] . '">',
'<img src="../img/edit.gif" border="0" title="' . get_lang('EditTask') . '" />',
"</a>\n",
'<a href="' .api_get_self(). '?action=manage_tasks&blog_id=' . $assignment['blog_id'] . '&do=delete_assignment&assignment_id=' . $assignment['task_id'] . '|' . $assignment['user_id'] . '" ',
'onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"',
'<img src="../img/' . $delete_icon . '" border="0" title="' . $delete_title . '" />',
"</a>\n",
'</td>',
'</tr>';
}
echo "</table>";
}
/**
* Displays new task form
* @author Toon Keppens
*
*/
function display_new_task_form($blog_id)
{
// Init
$colors = array('FFFFFF','FFFF99','FFCC99','FF9933','FF6699','CCFF99','CC9966','66FF00', '9966FF', 'CF3F3F', '990033','669933','0033FF','003366','000000');
// Display
echo '<form name="add_task" method="post" action="blog.php?action=manage_tasks&blog_id=' . $blog_id . '">
<table width="100%" border="0" cellspacing="2" cellpadding="0" style="background-color: #f6f6f6; border: 1px solid #dddddd">
<tr>
<td width="200"></td>
<td><b>' . get_lang('AddTask') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('Title') . ':  </td>
<td><input name="task_name" type="text" size="70" /></td>
</tr>
<tr>
<td align="right">' . get_lang('Description') . ':  </td>
<td><input name="task_description" type="text" size="70" /></td>
</tr>';
/* edit by Kevin Van Den Haute (kevin@develop-it.be) */
echo "\t" . '<tr>' . "\n";
echo "\t\t" . '<td style="text-align:right; vertical-align:top;">Task management:  </td>' . "\n";
echo "\t\t" . '<td>' . "\n";
echo "\t\t\t" . '<table cellspacing="0" style="border:1px solid #808080; border-collapse:collapse; width:446px;">';
echo "\t\t\t\t" . '<tr style="background:#E5EDF9;">' . "\n";
echo "\t\t\t\t\t" . '<th colspan="2" style="border:1px solid #808080; width:223px;">' . get_lang('ArticleManager') . '</th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080;" width:223px;>' . get_lang('CommentManager') . '</th>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t\t" . '<tr style="background:#E5EDF9;">' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:111px;"><label for="articleDelete">' . get_lang('Delete') . '</label></th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:112px;"><label for="articleEdit">' . get_lang('Edit') . '</label></th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:223px;"><label for="commentsDelete">' . get_lang('Delete') . '</label></th>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t\t" . '<tr>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input id="articleDelete" name="chkArticleDelete" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input id="articleEdit" name="chkArticleEdit" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input id="commentsDelete" name="chkCommentsDelete" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t" . '</table>' . "\n";
echo "\t\t" . '</td>' . "\n";
echo "\t" . '</tr>' . "\n";
/* end of edit */
echo ' <tr>
<td align="right">' . get_lang('Color') . ':  </td>
<td>
<select name="task_color" id="color" style="width: 150px; background-color: #eeeeee" onchange="document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress="document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value">';
foreach ($colors as $color)
{
$style = 'style="background-color: #' . $color . '"';
echo '<option value="' . $color . '" ' . $style . '>         </option>';
}
echo ' </select>
</td>
</tr>
<tr>
<td align="right"> </td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="new_task_submit" value="true" />
<td><br /><input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Displays edit task form
* @author Toon Keppens
*
*/
function display_edit_task_form($blog_id, $task_id)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$colors = array('FFFFFF','FFFF99','FFCC99','FF9933','FF6699','CCFF99','CC9966','66FF00', '9966FF', 'CF3F3F', '990033','669933','0033FF','003366','000000');
$sql = "SELECT blog_id, task_id, title, description, color FROM $tbl_blogs_tasks WHERE task_id = '".(int)$task_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$task = mysql_fetch_array($result);
// Display
echo '<form name="edit_task" method="post" action="blog.php?action=manage_tasks&blog_id=' . $blog_id . '">
<table width="100%" border="0" cellspacing="2" cellpadding="0" style="background-color: #f6f6f6; border: 1px solid #dddddd">
<tr>
<td width="200"></td>
<td><b>' . get_lang('EditTask') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('Title') . ':  </td>
<td><input name="task_name" type="text" size="70" value="'.stripslashes($task['title']) . '" /></td>
</tr>
<tr>
<td align="right">' . get_lang('Description') . ':  </td>
<td><input name="task_description" type="text" size="70" value="'.stripslashes($task['description']) . '" /></td>
</tr>';
/* edit by Kevin Van Den Haute (kevin@develop-it.be) */
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$sql = "
SELECT
`id`,
`action`
FROM " . $tbl_tasks_permissions . "
WHERE `task_id` = '" . (int)$task_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$arrPermissions = array();
while($row = @mysql_fetch_array($result))
$arrPermissions[] = $row['action'];
echo "\t" . '<tr>' . "\n";
echo "\t\t" . '<td style="text-align:right; vertical-align:top;">Task management:  </td>' . "\n";
echo "\t\t" . '<td>' . "\n";
echo "\t\t\t" . '<table cellspacing="0" style="border:1px solid #808080; border-collapse:collapse; width:446px;">';
echo "\t\t\t\t" . '<tr style="background:#E5EDF9;">' . "\n";
echo "\t\t\t\t\t" . '<th colspan="2" style="border:1px solid #808080; width:223px;">' . get_lang('ArticleManager') . '</th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080;" width:223px;>' . get_lang('CommentManager') . '</th>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t\t" . '<tr style="background:#E5EDF9;">' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:111px;"><label for="articleDelete">' . get_lang('Delete') . '</label></th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:112px;"><label for="articleEdit">' . get_lang('Edit') . '</label></th>' . "\n";
echo "\t\t\t\t\t" . '<th style="border:1px solid #808080; width:223px;"><label for="commentsDelete">' . get_lang('Delete') . '</label></th>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t\t" . '<tr>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input ' . ((in_array('article_delete', $arrPermissions)) ? 'checked ' : '') . 'id="articleDelete" name="chkArticleDelete" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input ' . ((in_array('article_edit', $arrPermissions)) ? 'checked ' : '') . 'id="articleEdit" name="chkArticleEdit" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t\t" . '<td style="border:1px dotted #808080; text-align:center;"><input ' . ((in_array('article_comments_delete', $arrPermissions)) ? 'checked ' : '') . 'id="commentsDelete" name="chkCommentsDelete" type="checkbox" /></td>' . "\n";
echo "\t\t\t\t" . '</tr>' . "\n";
echo "\t\t\t" . '</table>' . "\n";
echo "\t\t" . '</td>' . "\n";
echo "\t" . '</tr>' . "\n";
/* end of edit */
echo '<tr>
<td align="right">' . get_lang('Color') . ':  </td>
<td>
<select name="task_color" id="color" style="width: 150px; background-color: #' . $task['color'] . '" onchange="document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress="document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value">';
foreach ($colors as $color)
{
$selected = ($color == $task['color']) ? ' selected' : '';
$style = 'style="background-color: #' . $color . '"';
echo '<option value="' . $color . '" ' . $style . ' ' . $selected . ' >         </option>';
}
echo ' </select>
</td>
</tr>
<tr>
<td align="right"> </td>
<td><br /><input type="hidden" name="action" value="" />
<input type="hidden" name="edit_task_submit" value="true" />
<input type="hidden" name="task_id" value="' . $task['task_id'] . '" />
<input type="hidden" name="blog_id" value="' . $task['blog_id'] . '" />
<input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
function display_assign_task_form($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$day = date("d");
$month = date("m");
$year = date("Y");
global $MonthsLong;
// Get users in this blog / make select list of it
$sql = "SELECT user.user_id, user.firstname, user.lastname FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$select_user_list = '<select name="task_user_id">';
while($user = mysql_fetch_array($result))
{
$select_user_list .= '<option value="' . $user['user_id'] . '">' . $user['firstname']." " . $user['lastname'] . '</option>';
}
$select_user_list .= '</select>';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
`blog_id`,
`task_id`,
`blog_id`,
`title`,
`description`,
`color`,
`system_task`
FROM " . $tbl_blogs_tasks . "
WHERE `blog_id` = " . (int)$blog_id . "
ORDER BY
`system_task`,
`title`";
$result = api_sql_query($sql, __FILE__, __LINE__);
$select_task_list = '<select name="task_task_id">';
while($task = mysql_fetch_array($result))
{
$select_task_list .= '<option value="' . $task['task_id'] . '">'.stripslashes($task['title']) . '</option>';
}
$select_task_list .= '</select>';
// Display
echo '<form name="assign_task" method="post" action="blog.php?action=manage_tasks&blog_id=' . $blog_id . '">
<table width="100%" border="0" cellspacing="2" cellpadding="0" style="background-color: #f6f6f6; border: 1px solid #dddddd">
<tr>
<td width="200"></td>
<td><b>' . get_lang('AssignTask') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('SelectUser') . ':  </td>
<td>' . $select_user_list . '</td>
</tr>
<tr>
<td align="right">' . get_lang('SelectTask') . ':  </td>
<td>' . $select_task_list . '</td>
</tr>
<tr>
<td align="right">' . get_lang('SelectTargetDate') . ':  </td>
<td>
<select name="task_day">';
for($i=1; $i<=31; $i++)
{
// values need to have double digits
$value = ($i <= 9 ? "0" . $i : $i);
// the current day is indicated with [] around the date
if($value==$day)
{ echo "\t\t\t\t <option value=\"" . $value."\" selected> " . $i." </option>\n";}
else
{ echo "\t\t\t\t <option value=\"" . $value."\">" . $i."</option>\n"; }
}
echo '</select>
<select name="task_month">';
for($i=1; $i<=12; $i++)
{
// values need to have double digits
$value = ($i <= 9 ? "0" . $i : $i);
if($value==$month)
{ echo "\t\t\t\t <option value=\"" . $value."\" selected>" . $MonthsLong[$i-1]."</option>\n"; }
else
{ echo "\t\t\t\t <option value=\"" . $value."\">" . $MonthsLong[$i-1]."</option>\n"; }
}
echo '</select>
<select name="task_year">
<option value="'.($year-1) . '">'.($year-1) . '</option>
<option value="' . $year . '" selected> ' . $year . ' </option>';
for($i=1; $i<=5; $i++)
{
$value=$year+$i;
echo "\t\t\t\t<option value=\"" . $value."\">" . $value."</option>\n";
}
echo '</select>
<a title="Kalender" href="javascript:openCalendar(\'assign_task\', \'task_\')"><img src="../img/calendar_select.gif" border="0" align="absmiddle"/></a>
</td>
</tr>
<tr>
<td align="right"> </td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="assign_task_submit" value="true" />
<td><br /><input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
function display_edit_assigned_task_form($blog_id, $assignment_id)
{
$parameters = explode('|', $assignment_id);
$task_id = $parameters[0];
$user_id = $parameters[1];
/* ------------- */
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$year = date("Y");
global $MonthsLong;
/*// Get assignd tasks of user
$sql = "
SELECT task_id
FROM $tbl_blogs_tasks_rel_user
WHERE
user_id = $user_id AND
blog_id = $blog_id";
$result = api_sql_query($sql, __FILE__, __LINE__);
$arrUserTasks = array();*/
while($row = mysql_fetch_assoc($result))
{
$arrUserTasks[] = $row['task_id'];
}
// Get assignd date;
$sql = "
SELECT target_date
FROM $tbl_blogs_tasks_rel_user
WHERE blog_id = '".(int)$blog_id."'
AND user_id = '".(int)$user_id."'
AND task_id = '".(int)$task_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
$old_date = $row['target_date'];
$date = explode('-', $row['target_date']);
// Get users in this blog / make select list of it
$sql = "
SELECT user.user_id, user.firstname, user.lastname
FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user on user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$select_user_list = '<select name="task_user_id">';
while($user = mysql_fetch_array($result))
{
$select_user_list .= '<option ' . (($user_id == $user['user_id']) ? 'selected="selected "' : ' ') . 'value="' . $user['user_id'] . '">' . $user['firstname']." " . $user['lastname'] . '</option>';
}
$select_user_list .= '</select>';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
`blog_id`,
`task_id`,
`title`,
`description`,
`color`,
`system_task`
FROM " . $tbl_blogs_tasks . "
WHERE `blog_id` = " . (int)$blog_id . "
ORDER BY
`system_task`,
`title`";
$result = api_sql_query($sql, __FILE__, __LINE__);
$select_task_list = '<select name="task_task_id">';
while($task = mysql_fetch_array($result))
{
//if(!in_array($task['task_id'], $arrUserTasks) || $task_id == $task['task_id'])
$select_task_list .= '<option ' . (($task_id == $task['task_id']) ? 'selected="selected "' : ' ') . 'value="' . $task['task_id'] . '">'.stripslashes($task['title']) . '</option>';
}
$select_task_list .= '</select>';
// Display
echo '<form name="assign_task" method="post" action="blog.php?action=manage_tasks&blog_id=' . $blog_id . '">
<table width="100%" border="0" cellspacing="2" cellpadding="0" style="background-color: #f6f6f6; border: 1px solid #dddddd">
<tr>
<td width="200"></td>
<td><b>' . get_lang('AssignTask') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('SelectUser') . ':  </td>
<td>' . $select_user_list . '</td>
</tr>
<tr>
<td align="right">' . get_lang('SelectTask') . ':  </td>
<td>' . $select_task_list . '</td>
</tr>
<tr>
<td align="right">' . get_lang('SelectTargetDate') . ':  </td>
<td>
<select name="task_day">';
for($i=1; $i<=31; $i++)
{
// values need to have double digits
$value = ($i <= 9 ? "0" . $i : $i);
echo "\t\t\t\t<option " . (($date[2] == $value) ? 'selected="selected "' : ' ') . "value=\"" . $value . "\">" . $i . "</option>\n";
}
echo '</select>
<select name="task_month">';
for($i=1; $i<=12; $i++)
{
// values need to have double digits
$value = ($i <= 9 ? "0" . $i : $i);
echo "\t\t\t\t<option " . (($date[1] == $value) ? 'selected="selected "' : ' ') . "value=\"" . $value . "\">" . $MonthsLong[$i-1]."</option>\n";
}
echo '</select>
<select name="task_year">
<option value="' . ($year - 1) . '">' . ($year - 1) . '</option>
<option value="' . $year . '" selected> ' . $year . ' </option>';
for($i=1; $i<=5; $i++)
{
$value = $year + $i;
echo "\t\t\t\t<option " . (($date[0] == $value) ? 'selected="selected "' : ' ') . "value=\"" . $value . "\">" . $value . "</option>\n";
}
echo '</select>
<a title="Kalender" href="javascript:openCalendar(\'assign_task\', \'task_\')"><img src="../img/calendar_select.gif" border="0" align="absmiddle"/></a>
</td>
</tr>
<tr>
<td align="right"> </td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="old_task_id" value="' . $task_id . '" />
<input type="hidden" name="old_user_id" value="' . $user_id . '" />
<input type="hidden" name="old_target_date" value="' . $old_date . '" />
<input type="hidden" name="assign_task_edit_submit" value="true" />
<td><br /><input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Assigns a task to a user in a blog
*
* @param Integer $blog_id
* @param Integer $user_id
* @param Integer $task_id
* @param Date $target_date
*/
function assign_task($blog_id, $user_id, $task_id, $target_date)
{
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$sql = "
SELECT COUNT(*) as 'number'
FROM " . $tbl_blogs_tasks_rel_user . "
WHERE `blog_id` = " . (int)$blog_id . "
AND `user_id` = " . (int)$user_id . "
AND `task_id` = " . (int)$task_id . "
";
$result = @api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
if($row['number'] == 0)
{
$sql = "
INSERT INTO " . $tbl_blogs_tasks_rel_user . " (
`blog_id`,
`user_id`,
`task_id`,
`target_date`
) VALUES (
'" . (int)$blog_id . "',
'" . (int)$user_id . "',
'" . (int)$task_id . "',
'" . mysql_real_escape_string($target_date) . "'
)";
$result = @api_sql_query($sql, __FILE__, __LINE__);
}
}
function edit_assigned_task($blog_id, $user_id, $task_id, $target_date, $old_user_id, $old_task_id, $old_target_date)
{
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$sql = "
SELECT COUNT(*) as 'number'
FROM " . $tbl_blogs_tasks_rel_user . "
WHERE
`blog_id` = " . (int)$blog_id . " AND
`user_id` = " . (int)$user_id . " AND
`task_id` = " . (int)$task_id . "
";
$result = @api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
if($row['number'] == 0 || ($row['number'] != 0 && $task_id == $old_task_id && $user_id == $old_user_id))
{
$sql = "
UPDATE " . $tbl_blogs_tasks_rel_user . "
SET
`user_id` = " . (int)$user_id . ",
`task_id` = " . (int)$task_id . ",
`target_date` = '" . mysql_real_escape_string($target_date) . "'
WHERE
`blog_id` = " . (int)$blog_id . " AND
`user_id` = " . (int)$old_user_id . " AND
`task_id` = " . (int)$old_task_id . " AND
`target_date` = '" . mysql_real_escape_string($old_target_date) . "'
";
$result = @api_sql_query($sql, __FILE__, __LINE__);
}
}
/**
* Displays a list with posts a user can select to execute his task.
*
* @param Integer $blog_id
* @param unknown_type $task_id
*/
function display_select_task_post($blog_id, $task_id)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$sql = "
SELECT title, description
FROM $tbl_blogs_tasks
WHERE task_id = '".(int)$task_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$row = mysql_fetch_assoc($result);
// Get posts and authors
$sql = "
SELECT
post.*,
user.lastname,
user.firstname
FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."'
ORDER BY post_id DESC
LIMIT 0, 100";
$result = api_sql_query($sql, __FILE__, __LINE__);
// Display
echo '<span class="blogpost_title">' . get_lang('SelectTaskArticle') . ' "' . stripslashes($row['title']) . '"</span>';
echo '<span style="font-style: italic;"">'.stripslashes($row['description']) . '</span><br><br>';
if(mysql_num_rows($result) > 0)
{
while($blog_post = mysql_fetch_array($result))
{
echo '<a href="blog.php?action=execute_task&blog_id=' . $blog_id . '&task_id=' . $task_id . '&post_id=' . $blog_post['post_id'] . '#add_comment">'.stripslashes($blog_post['title']) . '</a>, ' . get_lang('WrittenBy') . ' ' . $blog_post['firstname'] . ' '.stripslashes($blog_post['lastname']) . '<br />';
}
}
else
echo get_lang('NoArticles');
}
/**
* Subscribes a user to a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
function set_user_subscribed($blog_id,$user_id)
{
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
// Subscribe the user
$sql = "INSERT INTO $tbl_blogs_rel_user ( `blog_id`, `user_id` ) VALUES ('".(int)$blog_id."', '".(int)$user_id."');";
$result = api_sql_query($sql, __FILE__, __LINE__);
// Give this user basic rights
$sql="INSERT INTO $tbl_user_permissions (user_id,tool,action) VALUES ('".(int)$user_id."','BLOG_" . (int)$blog_id."','article_add')";
$result = api_sql_query($sql, __LINE__, __FILE__);
$sql="INSERT INTO $tbl_user_permissions (user_id,tool,action) VALUES ('".(int)$user_id."','BLOG_" . (int)$blog_id."','article_comments_add')";
$result = api_sql_query($sql, __LINE__, __FILE__);
}
/**
* Unsubscribe a user from a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
function set_user_unsubscribed($blog_id, $user_id)
{
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
// Unsubscribe the user
$sql = "DELETE FROM $tbl_blogs_rel_user WHERE `blog_id` = '".(int)$blog_id."' AND `user_id` = '".(int)$user_id."'";
$result = @api_sql_query($sql, __FILE__, __LINE__);
// Remove this user's permissions.
$sql = "DELETE FROM $tbl_user_permissions WHERE user_id = '".(int)$user_id."'";
$result = api_sql_query($sql, __LINE__, __FILE__);
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to subcribe in a blog, in a course.
*/
function display_form_user_subscribe($blog_id)
{
// Init
global $_course;
$currentCourse = $_course['sysCode'];
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
echo '<span class="blogpost_title">' . get_lang('SubscribeMembers') . '</span>';
$properties["width"] = "100%";
// Get blog members' id.
$sql = "SELECT user.user_id FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog_member_ids = array ();
while($user = mysql_fetch_array($result))
{
$blog_member_ids[] = $user['user_id'];
}
// Set table headers
$column_header[] = array ('', false, '');
$column_header[] = array (get_lang('LastName'), true, '');
$column_header[] = array (get_lang('FirstName'), true, '');
$column_header[] = array (get_lang('Email'), true, '');
$column_header[] = array (get_lang('Register'), false, '');
include_once (api_get_path(LIBRARY_PATH)."/course.lib.php");
include_once (api_get_path(LIBRARY_PATH)."/usermanager.lib.php");
if(isset($_SESSION['session_id'])){
$session_id = $_SESSION['session_id'];
}
else{
$session_id = 0;
}
$student_list = CourseManager :: get_student_list_from_course_code($currentCourse, true, $session_id);
$user_data = array ();
// Add users that are not in this blog to the list.
foreach($student_list as $key=>$user)
{
if(isset($user['id_user']))
{
$user['user_id'] = $user['id_user'];
}
if(!in_array($user['user_id'],$blog_member_ids)) {
$a_infosUser = UserManager :: get_user_info_by_id($user['user_id']);
$row = array ();
$row[] = '<input type="checkbox" name="user[]" value="' . $a_infosUser['user_id'] . '" '.(($_GET['selectall'] == "subscribe") ? ' checked="checked" ' : '') . '/>';
$row[] = $a_infosUser["lastname"];
$row[] = $a_infosUser["firstname"];
$row[] = Display::encrypted_mailto_link($a_infosUser["email"]);
//Link to register users
if($a_infosUser["user_id"] != $_SESSION['_user']['user_id'])
{
$row[] = "<a href=\"" .api_get_self()."?action=manage_members&blog_id=$blog_id&register=yes&user_id=" . $a_infosUser["user_id"]."\">" . get_lang('Register')."</a>";
}
else
{
$row[] = '';
}
$user_data[] = $row;
}
}
// Display
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '<form method="post" action="blog.php?action=manage_members&blog_id=' . $blog_id . '">';
Display::display_sortable_table($column_header, $user_data,null,null,$query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action=' . $_GET['action'] . '&' : '';
$link .= "blog_id=$blog_id&";
$link .= isset ($_GET['page_nr']) ? 'page_nr=' . (int)$_GET['page_nr'] . '&' : '';
$link .= isset ($_GET['per_page']) ? 'per_page=' . (int)$_GET['per_page'] . '&' : '';
$link .= isset ($_GET['column']) ? 'column=' . (int)$_GET['column'] . '&' : '';
$link .= isset ($_GET['direction']) ? 'direction=' . $_GET['direction'] . '&' : '';;
echo '<a href="blog.php?' . $link . 'selectall=subscribe">' . get_lang('SelectAll') . '</a> - ';
echo '<a href="blog.php?' . $link . '">' . get_lang('UnSelectAll') . '</a> ';
echo get_lang('WithSelected') . ' : ';
echo '<select name="action">';
echo '<option value="select_subscribe">' . get_lang('Register') . '</option>';
echo '</select>';
echo '<input type="hidden" name="register" value="true" />';
echo '<input type="submit" value="' . get_lang('Ok') . '"/>';
echo '</form>';
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to unsubcribe from a blog.
*/
function display_form_user_unsubscribe($blog_id)
{
global $_user;
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '<span class="blogpost_title">' . get_lang('UnsubscribeMembers') . '</span>';
$properties["width"] = "100%";
//table column titles
$column_header[] = array ('', false, '');
$column_header[] = array (get_lang('LastName'), true, '');
$column_header[] = array (get_lang('FirstName'), true, '');
$column_header[] = array (get_lang('Email'), true, '');
$column_header[] = array (get_lang('TaskManager'), true, '');
$column_header[] = array (get_lang('UnRegister'), false, '');
$sql_query = "SELECT user.user_id, user.lastname, user.firstname, user.email
FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.blog_id = '".(int)$blog_id."'";
//$sql_result = api_sql_query($sql_query, __FILE__, __LINE__);
$sql_result = mysql_query($sql_query) or die(mysql_error());
$user_data = array ();
while($myrow = mysql_fetch_array($sql_result))
{
$row = array ();
$row[] = '<input type="checkbox" name="user[]" value="' . $myrow['user_id'] . '" '.(($_GET['selectall'] == "unsubscribe") ? ' checked="checked" ' : '') . '/>';
$row[] = $myrow["lastname"];
$row[] = $myrow["firstname"];
$row[] = Display::encrypted_mailto_link($myrow["email"]);
$sql = "SELECT bt.title task
FROM " . Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER) . " `btu`
INNER JOIN " . Database::get_course_table(TABLE_BLOGS_TASKS) . " `bt` ON `btu`.`task_id` = `bt`.`task_id`
WHERE btu.blog_id = $blog_id AND btu.user_id = " . $myrow['user_id'] . "";
$sql_res = mysql_query($sql) or die(mysql_error());
$task = '';
while($r = mysql_fetch_array($sql_res))
{
$task .= stripslashes($r['task']) . ', ';
}
echo $task;
$task = (strlen(trim($task)) != 0) ? substr($task, 0, strlen($task) - 2) : 'reader';
$row[] = $task;
//Link to register users
if($myrow["user_id"] != $_user['user_id'])
{
$row[] = "<a href=\"" .api_get_self()."?action=manage_members&blog_id=$blog_id&unregister=yes&user_id=" . $myrow[user_id]."\">" . get_lang('UnRegister')."</a>";
}
else
{
$row[] = '';
}
$user_data[] = $row;
}
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '<form method="post" action="blog.php?action=manage_members&blog_id=' . $blog_id . '">';
Display::display_sortable_table($column_header, $user_data,null,null,$query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action=' . $_GET['action'] . '&' : '';
$link .= "blog_id=$blog_id&";
$link .= isset ($_GET['page_nr']) ? 'page_nr=' . (int)$_GET['page_nr'] . '&' : '';
$link .= isset ($_GET['per_page']) ? 'per_page=' . (int)$_GET['per_page'] . '&' : '';
$link .= isset ($_GET['column']) ? 'column=' . (int)$_GET['column'] . '&' : '';
$link .= isset ($_GET['direction']) ? 'direction=' . $_GET['direction'] . '&' : '';;
echo '<a href="blog.php?' . $link . 'selectall=unsubscribe">' . get_lang('SelectAll') . '</a> - ';
echo '<a href="blog.php?' . $link . '">' . get_lang('UnSelectAll') . '</a> ';
echo get_lang('WithSelected') . ' : ';
echo '<select name="action">';
echo '<option value="select_unsubscribe">' . get_lang('UnRegister') . '</option>';
echo '</select>';
echo '<input type="hidden" name="unregister" value="true" />';
echo '<input type="submit" value="' . get_lang('Ok') . '"/>';
echo '</form>';
}
/**
* Displays a matrix with selectboxes. On the left: users, on top: possible rights.
* The blog admin can thus select what a certain user can do in the current blog
*
* @param Integer $blog_id
*/
function display_form_user_rights($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '<span class="blogpost_title">' . get_lang('RightsManager') . '</span>';
// Integration of patricks permissions system.
include_once('../permissions/blog_permissions.inc.php');
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
function display_new_comment_form($blog_id, $post_id, $title)
{
echo '<form name="add_post" enctype="multipart/form-data" method="post" action="blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '">
<table width="100%" border="0" cellspacing="2" cellpadding="0" class="new_comment">
<tr>
<td colspan="2">
<span class="blogpost_title">'.(isset($_GET['task_id']) ? get_lang('ExecuteThisTask') : get_lang('NewComment')) . '</span><br />
<a name="add_comment" />
</td>
</tr>
<tr>
<td width="100" valign="top">' . get_lang('Title') . ':  </td>
<td><input name="comment_title" id="comment_title" type="text" size="60" value="Re: '.stripslashes($title) . '" /><br /><br /></td>
</tr>
<tr>
<td valign="top">' . get_lang('Comment') . ':  </td>
<td>';
$oFCKeditor = new FCKeditor('comment_text') ;
$oFCKeditor->BasePath = api_get_path(WEB_PATH) . 'main/inc/lib/fckeditor/' ;
$oFCKeditor->Height = '200';
$oFCKeditor->Width = '97%';
$oFCKeditor->Value = isset($_POST['comment_text'])?stripslashes($_POST['comment_text']):'';
$oFCKeditor->Config['CustomConfigurationsPath'] = api_get_path(REL_PATH)."main/inc/lib/fckeditor/myconfig.js";
$oFCKeditor->Config['IMUploadPath'] = "upload/blog/";
$oFCKeditor->ToolbarSet = "Blog";
$TBL_LANGUAGES = Database::get_main_table(TABLE_MAIN_LANGUAGE);
$sql="SELECT isocode FROM ".$TBL_LANGUAGES." WHERE english_name='".mysql_real_escape_string($_SESSION["_course"]["language"])."'";
$result_sql=api_sql_query($sql);
$isocode_language=mysql_result($result_sql,0,0);
$oFCKeditor->Config['DefaultLanguage'] = $isocode_language;
$oFCKeditor->Create() ;
echo ' <br /></td>
</tr>
<tr><td><b>'.get_lang('AddAnAttachment').'</b><br /><br /></td></tr>
<tr><td width="80" valign="top">' . ucwords(get_lang('FileName') ). ':  </td>
<td><input type="file" name="user_upload"/></td><br></tr>
<tr><td width="80" valign="top">' .get_lang('FileComment'). ':  </td>
<td><br /><textarea name="post_file_comment" cols="34" /></textarea></td></tr>
<tr>
<tr>
<td > </td>
<td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="comment_parent_id" id="comment_parent_id" value="0" />';
if(isset($_GET['task_id']))
{
echo ' <input type="hidden" name="new_task_execution_submit" value="true" />';
echo ' <input type="hidden" name="task_id" value="' . (int)$_GET['task_id'] . '" />';
}
else
{
echo ' <input type="hidden" name="new_comment_submit" value="true" />';
}
echo ' <input type="submit" name="Submit" value="' . get_lang('Ok') . '" />
</td>
</tr>
</table>
</form>';
}
/**
* show the calender of the given month
* @author Patrick Cool
* @author Toon Keppens
*
* @param Array $blogitems an array containing all the blog items for the given month
* @param Integer $month: the integer value of the month we are viewing
* @param Integer $year: the 4-digit year indication e.g. 2005
* @param String $monthName: the language variable for the mont name
*
* @return html code
*/
function display_minimonthcalendar($month, $year, $blog_id)
{
// Init
global $_user;
global $DaysShort;
global $MonthsLong;
$posts = array();
$tasks = array();
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
//Handle leap year
$numberofdays = array (0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
if(($year % 400 == 0) or ($year % 4 == 0 and $year % 100 <> 0))
$numberofdays[2] = 29;
//Get the first day of the month
$dayone = getdate(mktime(0, 0, 0, $month, 1, $year));
$monthName = $MonthsLong[$month-1];
//Start the week on monday
$startdayofweek = $dayone['wday'] <> 0 ? ($dayone['wday'] - 1) : 6;
$backwardsURL = api_get_self()."?blog_id=" . (int)$_GET['blog_id']."&filter=" . $_GET['filter']."&month=". ($month == 1 ? 12 : $month -1)."&year=". ($month == 1 ? $year -1 : $year);
$forewardsURL = api_get_self()."?blog_id=" . (int)$_GET['blog_id']."&filter=" . $_GET['filter']."&month=". ($month == 12 ? 1 : $month +1)."&year=". ($month == 12 ? $year +1 : $year);
// Get posts for this month
$sql = "SELECT post.*, DAYOFMONTH(`date_creation`) as post_day, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user
ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."'
AND MONTH(date_creation) = '".(int)$month."'
AND YEAR(date_creation) = '".(int)$year."'
ORDER BY date_creation";
$result = api_sql_query($sql, __FILE__, __LINE__);
// We will create an array of days on which there are posts.
if( Database::num_rows($result) > 0)
{
while($blog_post = mysql_fetch_array($result))
{
// If the day of this post is not yet in the array, add it.
if(!in_array($blog_post['post_day'], $posts))
$posts[] = $blog_post['post_day'];
}
}
// Get tasks for this month
if($_user['user_id'])
{
$sql = "
SELECT
task_rel_user.*,
DAYOFMONTH(`target_date`) as task_day,
task.title,
blog.blog_name
FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
WHERE task_rel_user.user_id = '".(int)$_user['user_id']."'
AND MONTH(`target_date`) = '".(int)$month."'
AND YEAR(`target_date`) = '".(int)$year."'
ORDER BY `target_date` ASC";
$result = api_sql_query($sql, __FILE__, __LINE__);
if(mysql_numrows($result) > 0)
{
while($mytask = mysql_fetch_array($result))
{
$tasks[$mytask['task_day']][$mytask['task_id']]['task_id'] = $mytask['task_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['title'] = $mytask['title'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_id'] = $mytask['blog_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_name'] = $mytask['blog_name'];
$tasks[$mytask['task_day']][$mytask['task_id']]['day'] = $mytask['task_day'];
//echo '<li><a href="blog.php?action=execute_task&blog_id=' . $mytask['blog_id'] . '&task_id='.stripslashes($mytask['task_id']) . '" title="[Blog: ' . $mytask['blog_name'] . '] ' . get_lang('ExecuteThisTask') . '">'.stripslashes($mytask['title']) . '</a></li>';
}
}
}
echo '<table id="smallcalendar">',
"<tr id=\"title\">\n",
"<td width=\"10%\"><a href=\"", $backwardsURL, "\">«</a></td>\n",
"<td align=\"center\" width=\"80%\" colspan=\"5\">", $monthName, " ", $year, "</td>\n",
"<td width=\"10%\" align=\"right\"><a href=\"", $forewardsURL, "\">»</a></td>\n", "</tr>\n";
echo "<tr>\n";
for($ii = 1; $ii < 8; $ii ++)
echo "<td class=\"weekdays\">", $DaysShort[$ii % 7], "</td>\n";
echo "</tr>\n";
$curday = -1;
$today = getdate();
while($curday <= $numberofdays[$month])
{
echo "<tr>\n";
for($ii = 0; $ii < 7; $ii ++)
{
if(($curday == -1) && ($ii == $startdayofweek))
$curday = 1;
if(($curday > 0) && ($curday <= $numberofdays[$month]))
{
$bgcolor = $ii < 5 ? $class="class=\"days_week\"" : $class="class=\"days_weekend\"";
$dayheader = "$curday";
if(($curday == $today[mday]) && ($year == $today[year]) && ($month == $today[mon]))
{
$dayheader = "$curday";
$class = "class=\"days_today\"";
}
echo "\t<td " . $class.">";
// If there are posts on this day, create a filter link.
if(in_array($curday, $posts))
echo '<a href="blog.php?blog_id=' . $blog_id . '&filter=' . $year . '-' . $month . '-' . $curday . '&month=' . $month . '&year=' . $year . '" title="' . get_lang('ViewPostsOfThisDay') . '">' . $curday . '</a>';
else
echo $dayheader;
if (count($tasks) > 0)
{
if (is_array($tasks[$curday]))
{
// Add tasks to calendar
foreach ($tasks[$curday] as $task)
{
echo '<a href="blog.php?action=execute_task&blog_id=' . $task['blog_id'] . '&task_id='.stripslashes($task['task_id']) . '" title="� ' . $task['title'] . ' � ' . get_lang('InBlog') . ' � ' . $task['blog_name'] . ' � - ' . get_lang('ExecuteThisTask') . '"><img src="../img/blog_task.gif" alt="Task" /></a>';
}
}
}
echo "</td>\n";
$curday ++;
}
else
echo "<td> </td>\n";
}
echo "</tr>\n";
}
echo "</table>\n";
}
/**
* Blog admin | Display the form to add a new blog.
*
*/
function display_new_blog_form()
{
echo '<form name="add_blog" method="post" action="blog_admin.php">
<table width="100%" border="0" cellspacing="2" cellpadding="0" class="newBlog">
<tr>
<td></td>
<td><b>' . get_lang('AddBlog') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('Title') . ':  </td>
<td><input name="blog_name" type="text" size="100" /></td>
</tr>
<tr>
<td align="right">' . get_lang('Subtitle') . ':  </td>
<td><input name="blog_subtitle" type="text" size="100" /></td>
</tr>
<tr>
<td align="right"> </td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="new_blog_submit" value="true" />
<td><br /><input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Blog admin | Display the form to edit a blog.
*
*/
function display_edit_blog_form($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT blog_id, blog_name, blog_subtitle FROM $tbl_blogs WHERE blog_id = '".(int)$blog_id."'";
$result = api_sql_query($sql, __FILE__, __LINE__);
$blog = mysql_fetch_array($result);
echo '<form name="edit_blog" method="post" action="blog_admin.php">
<table width="100%" border="0" cellspacing="2" cellpadding="0" class="newBlog">
<tr>
<td></td>
<td><b>' . get_lang('EditBlog') . '</b><br /><br /></td>
</tr>
<tr>
<td align="right">' . get_lang('Title') . ':  </td>
<td><input name="blog_name" type="text" size="100" value="' . $blog['blog_name'] . '" /></td>
</tr>
<tr>
<td align="right">' . get_lang('Subtitle') . ':  </td>
<td><input name="blog_subtitle" type="text" size="100" value="' . $blog['blog_subtitle'] . '" /></td>
</tr>
<tr>
<td align="right"> </td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="edit_blog_submit" value="true" />
<input type="hidden" name="blog_id" value="' . $blog['blog_id'] . '" />
<td><br /><input type="submit" name="Submit" value="' . get_lang('Ok') . '" /></td>
</tr>
</table>
</form>';
}
/**
* Blog admin | Returns table with blogs in this course
*/
function display_blog_list()
{
global $charset;
// Init
$counter = 0;
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT `blog_id`, `blog_name`, `blog_subtitle`, `visibility` FROM $tbl_blogs ORDER BY `blog_name`";
$result = api_sql_query($sql, __FILE__, __LINE__);
while($blog = mysql_fetch_array($result))
{
$counter++;
$css_class = (($counter % 2)==0) ? "row_odd" : "row_even";
$visibility_icon = ($blog['visibility'] == '0') ? "invisible.gif" : "visible.gif";
$visibility_class = ($blog['visibility'] == '0') ? ' class="invisible"' : "";
$visibility_set = ($blog['visibility'] == '0') ? 1 : 0;
echo '<tr class="' . $css_class . '" valign="top">',
'<td width="290"' . $visibility_class . '>'.stripslashes($blog['blog_name']) . '</td>',
'<td' . $visibility_class . '>'.stripslashes($blog['blog_subtitle']) . '</td>',
'<td width="200">',
'<a href="' .api_get_self(). '?action=edit&blog_id=' . $blog['blog_id'] . '">',
'<img src="../img/edit.gif" border="0" title="' . get_lang('EditBlog') . '" />',
"</a>\n",
'<a href="' .api_get_self(). '?action=delete&blog_id=' . $blog['blog_id'] . '" ',
'onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"',
'<img src="../img/delete.gif" border="0" title="' . get_lang('DeleteBlog') . '" />',
"</a>\n",
'<a href="' .api_get_self(). '?action=visibility&blog_id=' . $blog['blog_id'] . '">',
'<img src="../img/' . $visibility_icon . '" border="0" title="' . get_lang('Visible') . '" />',
"</a>\n",
'</td>',
'</tr>';
}
}
}
/**
* Show a list with all the attachments according the parameter's
* @param the blog's id
* @param the post's id
* @param the comment's id
* @return array with the post info according the parameters
* @author Julio Montoya Dokeos
* @version avril 2008, dokeos 1.8.5
*/
function get_blog_attachment($blog_id, $post_id=null,$comment_id=null)
{
global $blog_table_attachment;
$row=array();
$where='';
if (!empty ($post_id))
{
$where.=' AND post_id ="'.$post_id.'" ';
}
if (!empty ($comment_id) )
{
if (!empty ($post_id) )
{
$where.= ' AND ';
}
$where.=' comment_id ="'.$comment_id.'" ';
}
$sql = 'SELECT path, filename, comment FROM '. $blog_table_attachment.' WHERE blog_id ="'.$blog_id.'" '.$where;
$result=api_sql_query($sql, __FILE__, __LINE__);
if (Database::num_rows($result)!=0)
{
$row=Database::fetch_array($result);
}
return $row;
}
/**
* Delete the all the attachments according the parameters.
* @param the blog's id
* @param the post's id
* @param the comment's id
* @author Julio Montoya Dokeos
* @version avril 2008, dokeos 1.8.5
*/
function delete_all_blog_attachment($blog_id,$post_id=null,$comment_id=null)
{
global $blog_table_attachment;
global $_course;
// delete files in DB
if (!empty ($post_id))
{
$where.=' AND post_id ="'.$post_id.'" ';
}
if (!empty ($comment_id) )
{
if (!empty ($post_id) )
{
$where.= ' AND ';
}
$where.=' comment_id ="'.$comment_id.'" ';
}
// delete all files in directory
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
$sql= 'SELECT path FROM '.$blog_table_attachment.' WHERE blog_id ="'.$blog_id.'" '.$where;
$result=api_sql_query($sql, __FILE__, __LINE__);
while ($row=Database::fetch_row($result))
{
$file=$updir.'/'.$row[0];
if (Security::check_abs_path($file,$updir) )
{
@ unlink($file);
}
}
$sql = 'DELETE FROM '. $blog_table_attachment.' WHERE blog_id ="'.$blog_id.'" '.$where;
api_sql_query($sql, __FILE__, __LINE__);
}
?>

Source for file blog.lib.php