+++ /dev/null
-<?php\r
-/*==============================================================\r
- Photo Album\r
- ==============================================================\r
- Copyright (c) 2006 by Dylan Cheon & Kelvin Wong\r
- Institute for Assistive Technology / University of Victoria\r
- http://www.canassist.ca/ \r
- \r
- This program is free software. You can redistribute it and/or\r
- modify it under the terms of the GNU General Public License \r
- as published by the Free Software Foundation. \r
- ==============================================================\r
- */\r
-// $Id:\r
-\r
-/**\r
- * @desc This file defines all the functions that access the database.\r
- * @author Dylan Cheon\r
- * @copyright 2006, Institute for Assistive Technology, University of Victoria \r
- * @link http://www.canassist.ca/ \r
- * @license GNU\r
- */ \r
- \r
-/** \r
- * @desc This function returns all the image rows for the course id\r
- * @param int $course_id course id\r
- * @return Array array which contains all the image rows (mysql source)\r
- */\r
- function get_all_images($course_id){\r
- global $db;\r
- $table=get_table_name(IMAGE);\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id;\r
- $result=mysql_query($query, $db);\r
- return $result;\r
-}\r
- \r
-/**\r
- * @desc This function returns the image array which contains the image information\r
- * @param int $course_id course_id\r
- * @param int $status image status\r
- * @param int $start_page start page\r
- * @param int $display_limit how many images should be displayed in the page\r
- * @param boolean $my_pic if this value is true, it is set for my photo mode. Returns images for one user if enabled\r
- * @param String $login login name \r
- * @return Array the array which contains the data from database\r
- */ \r
-function get_image_array($state, $course_id, $image_status, $start_page, $display_limit, $login=''){\r
- global $db;\r
- $table=get_table_name(IMAGE); \r
- $start=($start_page-1)*$display_limit; \r
- $query; $i=0; $array;\r
- switch ($state){\r
- case MY_PIC:\r
- //$query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$image_status." AND login='{$login}' ORDER BY image_id DESC LIMIT ".$start.", ".$display_limit;\r
- // changes sorting to order from image_id\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$image_status." AND login='{$login}' ORDER BY `order` ASC LIMIT ".$start.", ".$display_limit;\r
- break;\r
- default:\r
- //$query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$image_status." ORDER BY image_id DESC LIMIT ".$start.", ".$display_limit;\r
- // changes sorting to order from image_id\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$image_status." ORDER BY `order` ASC LIMIT ".$start.", ".$display_limit;\r
- break;\r
- }\r
-\r
- $result=mysql_query($query, $db);\r
- while ($row=mysql_fetch_array($result)){\r
- $array[$i]['title']=$row['title'];\r
- $array[$i]['description']=$row['description']; \r
- $array[$i]['location']=$row['location'];\r
- $array[$i]['date']=$row['date'];\r
- $array[$i]['view_image_name']=$row['view_image_name'];\r
- $array[$i]['course_id']=$row['course_id'];\r
- $array[$i]['login']=$row['login'];\r
- $array[$i]['image_id']=$row['image_id'];\r
- $array[$i]['thumb_image_name']=$row['thumb_image_name'];\r
- $array[$i]['alt']=$row['alt'];\r
- $array[$i]['status']=$row['status']; \r
- // gg added image order to array \r
- $array[$i]['order']=$row['order']; \r
- $array[$i]['link']=BASE_PATH.'view.php?image_id='.$row['image_id'];\r
- $i++;\r
- }\r
- return $array;\r
-} \r
- \r
-\r
-/**\r
- * @desc This function returns the comment array which contains the comment information\r
- * @param int $course_id course id\r
- * @param int $status comment status\r
- * @param int $image_id image id\r
- * @param boolean $index_admin if this is true, then it returns the comments for admin/instructor view page\r
- * @param boolean $admin_request if this is true, then it returns the comments for admin/instructor panel \r
- * @param int $display_limit number of comments to be returned\r
- * @param int $start start page\r
- * @param boolean $my_comment my comment mode is enabled or not. Returns comments for one user if enabled\r
- * @return Array the array which contains the comment data from the database\r
- */ \r
-function get_comment_array($state, $course_id, $comment_status, $image_id=NOT_SET, $display_limit=NOT_SET, $start=NOT_SET){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- $start=($start-1)*$display_limit; \r
- $query; $i=0; $array;\r
-\r
- switch ($state){\r
- case ADMIN_VIEW:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id." ORDER BY date DESC";\r
- break;\r
- case ADMIN_PANEL:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$comment_status." ORDER BY date DESC LIMIT ".$start.", ".$display_limit;\r
- break;\r
- case MY_COMMENT:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$comment_status." AND login='{$_SESSION['login']}' ORDER BY date DESC LIMIT ".$start.", ".$display_limit;\r
- break;\r
- case STUDENT:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND status=".$comment_status." AND image_id=".$image_id." ORDER BY date DESC";\r
- break;\r
- }\r
- \r
- $result=mysql_query($query, $db);\r
- while ($row=mysql_fetch_array($result)){\r
- $array[$i]['date']=$row['date'];\r
- $array[$i]['course_id']=$row['course_id'];\r
- $array[$i]['login']=$row['login'];\r
- $array[$i]['image_id']=$row['image_id'];\r
- $array[$i]['comment_id']=$row['comment_id'];\r
- $array[$i]['comment']=$row['comment'];\r
- $array[$i]['status']=$row['status'];\r
- $i++;\r
- }\r
- return $array;\r
-} \r
- \r
- \r
- \r
-/**\r
- * @desc This function stores the given image input data to the database\r
- * @param int $course_id course id\r
- * @param String $login login name\r
- * @param String $title title string\r
- * @param String $description image description\r
- * @param String $view_image_name view image file name\r
- * @param String $location location string\r
- * @param String $thumb_image_name thumb image file name\r
- * @param String $alt alt string\r
- * @param int $status image status\r
- * @return boolean returns true if the given input data is stored in the database successfully\r
- */\r
-function store_image_in_database($course_id, $login, $title, $description, $view_image_name, $location, $thumb_image_name, $alt, $status){\r
- global $db;\r
- $table=get_table_name(IMAGE);\r
- $success=false;\r
- $query="INSERT INTO ".$table." SET course_id='{$course_id}', title='{$title}', description='{$description}', view_image_name='{$view_image_name}', location='{$location}', date=NOW(), login='{$login}', thumb_image_name='{$thumb_image_name}', alt='{$alt}', status='{$status}'"; \r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if (($count==1) && (!mysql_error())){\r
- $success=true;\r
- }\r
- return $success;\r
-} \r
-\r
-\r
-/**\r
- * @desc This function stores the given comment input data to the database\r
- * @param int $course_id course id\r
- * @param String $login login name\r
- * @param String $comment user comment\r
- * @param int $image_id image id\r
- * @param int $status comment status\r
- * @return boolean returns true if the given input data is stored in the database successfully\r
- */ \r
-function store_comment_in_database($course_id, $login, $comment, $image_id, $status){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- $success=false;\r
- $query="INSERT INTO ".$table." SET course_id='{$course_id}', comment='{$comment}', date=NOW(), login='{$login}', status='{$status}', image_id='{$image_id}'"; \r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ //should affect just one row\r
- $success=true;\r
- }\r
- return $success;\r
-} \r
-\r
-\r
-/**\r
- * @desc This function updates the image data in the database\r
- * @param int $course_id course id\r
- * @param String $title title string\r
- * @param String $description description\r
- * @param String $view_image_name file name of the full size image \r
- * @param String $image_id image id\r
- * @param String $thumb_image_name file name of the thumbnail image \r
- * @param String $alt alt string\r
- * @param int $status image status\r
- * @return boolean true if update finished successfully\r
- */\r
-function update_image_in_database($course_id, $title, $description, $view_image_name, $image_id, $thumb_image_name, $alt, $status){\r
- global $db;\r
- $table=get_table_name(IMAGE);\r
- $query="UPDATE ".$table." SET title='{$title}', description='{$description}', thumb_image_name='{$thumb_image_name}', view_image_name='{$view_image_name}', date=NOW(), alt='{$alt}', status='{$status}' WHERE course_id='{$course_id}' AND image_id='{$image_id}'"; \r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ //should affect just one row\r
- return true;\r
- } else {\r
- return false;\r
- } \r
-}\r
-\r
-/**\r
- * @desc This function updates the comment data in the database\r
- * @param int $course_id course id\r
- * @param String $comment comment string\r
- * @param int $image_id image id\r
- * @param int $comment_id comment id\r
- * @param int $status comment status\r
- * @return boolean true if update finished successfully\r
- */ \r
-function update_comment_in_database($course_id, $comment, $image_id, $comment_id,$status){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- $query="UPDATE ".$table." SET comment='{$comment}', status='{$status}', date=NOW() WHERE course_id='{$course_id}' AND image_id='{$image_id}' AND comment_id='{$comment_id}'"; \r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ //should affect just one row\r
- return true;\r
- } else {\r
- return false;\r
- } \r
-}\r
- \r
- \r
-/**\r
- * @desc This function returns the complete data row from the database\r
- * @param int $choose choose to search either IMAGE and COMMENT data \r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @param int $comment_id comment id\r
- * @return Array the complete data row array\r
- */\r
-function get_single_data($choose, $image_id, $course_id, $comment_id=NOT_SET){\r
- global $db; $query;\r
- $table=get_table_name($choose);\r
- switch ($choose){\r
- case IMAGE:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id;\r
- break;\r
- case COMMENT:\r
- $query="SELECT * FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id." AND comment_id=".$comment_id;\r
- break;\r
- }\r
- $result=mysql_query($query, $db);\r
- $result=mysql_fetch_array($result);\r
- return $result;\r
-}\r
- \r
-\r
-/**\r
- * @desc This function deletes the image. Images and blogs which have the same course id and image id should also be deleted \r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @return boolean returns true if deletion is successful\r
- */\r
-function delete_image($image_id, $course_id){\r
- global $db;\r
- $image_table=get_table_name(IMAGE);\r
- $blog_table=get_table_name(COMMENT);\r
- $delete_image_query="DELETE FROM ".$image_table." WHERE course_id=".$course_id." AND image_id=".$image_id;\r
- $image_query="SELECT view_image_name, location, thumb_image_name FROM ".$image_table." WHERE course_id=".$course_id." AND image_id=".$image_id;\r
- $blog_query="DELETE FROM ".$blog_table." WHERE course_id=".$course_id." AND image_id=".$image_id; \r
- \r
- $image_array=mysql_query($image_query, $db); \r
- delete_image_files($image_array); //delete the physical image file\r
- mysql_query($blog_query, $db); //deletes comments\r
- mysql_query($delete_image_query, $db); //deletes the images from database\r
- $count=mysql_affected_rows();\r
- if ($count ==1){ //should be one image\r
- return true;\r
- } else {\r
- return false;\r
- }\r
-}\r
- \r
- \r
- \r
-/**\r
- * @desc This function deletes the given blog comment \r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @param int $comment_id comment id\r
- * @return boolean returns true if deletion is completed. \r
- */\r
-function delete_blog($image_id, $course_id, $comment_id){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- $query="DELETE FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id." AND comment_id=".$comment_id;\r
- mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ //should be only one comment\r
- return true;\r
- } else {\r
- return false;\r
- }\r
-}\r
- \r
- \r
- \r
-/**\r
- * @desc This function returns the table name from the database based on a switch variable\r
- * @param int $choose choose either IMAGE, COMMENT or CONFIG\r
- * @return String table name as a string\r
- */\r
-function get_table_name($choose){\r
- $table_name;\r
- switch ($choose){\r
- case IMAGE:\r
- $table_name=TABLE_PREFIX.'pa_image';\r
- break;\r
- case COMMENT:\r
- $table_name=TABLE_PREFIX.'pa_comment';\r
- break;\r
- case CONFIG:\r
- $table_name=TABLE_PREFIX.'pa_config';\r
- break;\r
- }\r
- return $table_name;\r
-}\r
- \r
- \r
- \r
-/**\r
- * @desc This function returns the total number of course images\r
- * @param int $course_id course id\r
- * @param int $status image status\r
- * @param boolean $mypic mypic mode enabled or not. Returns number for one user if enabled\r
- * @return int the total number of images\r
- */\r
-function get_total_image_number($state, $course_id, $status){\r
- global $db;\r
- $table=get_table_name(IMAGE);\r
- switch ($state){\r
- case MY_PIC:\r
- $query="SELECT image_id FROM ".$table." WHERE course_id=".$course_id." AND status=".$status." AND login='{$_SESSION['login']}'";\r
- break;\r
- default:\r
- $query="SELECT image_id FROM ".$table." WHERE course_id=".$course_id." AND status=".$status;\r
- break;\r
- }\r
- \r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- return $count;\r
-}\r
-\r
-/**\r
- * @desc This function returns the total number of comments\r
- * @param int $course_id course id\r
- * @param int $status comment status\r
- * @param boolean $my_comment mycomment mode is enabled or not. Returns number for one user if enabled\r
- * @param int $image_id image id\r
- * @return int the total number of comments\r
- */ \r
-function get_total_comment_number($state, $course_id, $status, $image_id=NOT_SET){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- switch ($state){\r
- case MY_COMMENT:\r
- $login=$_SESSION['login'];\r
- $query="SELECT comment_id FROM ".$table." WHERE course_id=".$course_id." AND status=".$status." AND login='{$login}'"; \r
- break;\r
- case ADMIN_PANEL:\r
- $query="SELECT comment_id FROM ".$table." WHERE course_id=".$course_id." AND status=".$status;\r
- break;\r
- default: \r
- $query="SELECT comment_id FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id." AND status=".$status;\r
- break;\r
- }\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- return $count;\r
-}\r
-\r
- \r
- \r
-/**\r
- * @desc This function returns the last page number to be used for the page table \r
- * @param int $display_limit how many should be displayed in the page\r
- * @param int $total total number\r
- * @return int last page number\r
- */\r
-function get_last_page($display_limit, $total){\r
- $total=doubleval($total);\r
- $last_page; \r
- if ($total < $display_limit){\r
- $last_page=FIRST_PAGE;\r
- } else {\r
- $last_page=ceil($total/$display_limit);\r
- $last_page=intval($last_page);\r
- } \r
- return $last_page;\r
-}\r
- \r
- \r
-/**\r
- * @desc This function returns the full name of the member. The return string syntax is => (First_name)? First_name.Last_name_initial : Anonymous\r
- * @param String $login login name string\r
- * @return String the full name of the member\r
- */\r
-function get_member_name($login){\r
- global $db;\r
- $query="SELECT last_name, first_name FROM ".TABLE_PREFIX."members WHERE login='{$login}'";\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count == 1) { //in this case, the login is instructor or student\r
- $result=mysql_fetch_array($result);\r
- if (empty($result['first_name'])){\r
- $name=_AT('anonymous');\r
- } else if (empty($result['last_name'])){\r
- $name=$result['first_name'];\r
- } else {\r
- $temp=substr($result['last_name'], 0, 1);\r
- $name=$result['first_name'].'.'.$temp;\r
- }\r
- return $name;\r
- } else if ($count==0){ //found nobody, check if the user is administrator\r
- $query="SELECT login FROM ".TABLE_PREFIX."admins WHERE login='{$login}'";\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ //admin is detected\r
- return _AT('pa_tag_administrator');\r
- }\r
- }\r
-}\r
- \r
- \r
- \r
-/**\r
- * @desc This pagination function returns an array which has the start and end information to be used \r
- * @param int $display_limit maximum number of images displayed in the page\r
- * @param int $page_limit maximum number of pages displayed in the page\r
- * @param int $course_id course id\r
- * @param int $current current page \r
- * @param int $last_page last_page number\r
- * @return Array array contains the start and end information for page table\r
- */\r
-function get_page_array($display_limit, $page_limit, $current, $last_page){\r
- $start=1; \r
- if ($last_page <= ($start+$page_limit-1)){ //initialize the end variable if the last page is less than start+display-1\r
- $end=$last_page;\r
- } else {\r
- $end=$start+$page_limit-1;\r
- }\r
- \r
- $process=true;\r
- while ($process==true){\r
- if (($current >= $start) && ($current <= $end)){\r
- $array['start']=$start;\r
- $array['end']=$end;\r
- $process=false;\r
- } else {\r
- $start=$end+1;\r
- $end=$start+$page_limit-1;\r
- if ($end > $last_page){\r
- $end=$last_page;\r
- }\r
- }\r
- }\r
- $array['last_page']=$last_page;\r
- $array['previous']=$current-1;\r
- $array['next']=$current+1;\r
- $array['current']=$current;\r
- return $array;\r
-}\r
-\r
- \r
-/**\r
- * @desc This function checks if the image exists in the database\r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @return boolean it returns true if the image exists in database. Otherwise, it returns false\r
- */\r
-function image_exist($image_id, $course_id){\r
- global $db;\r
- $table_name=get_table_name(IMAGE);\r
- $query="SELECT * FROM ".$table_name." WHERE course_id=".$course_id." AND image_id=".$image_id;\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count == 1){ // there should be only 1 image\r
- return true;\r
- } else {\r
- return false;\r
- }\r
-} \r
-\r
-\r
-/**\r
- * @desc This function checks if the comment exists in the database\r
- * @param int $comment_id comment id\r
- * @param int $course_id course id\r
- * @return boolean returns true if the comment exists in database. Otherwise, it returns false\r
- */\r
-function comment_exist($comment_id, $course_id){\r
- global $db;\r
- $table_name=get_table_name(COMMENT);\r
- $query="SELECT * FROM ".$table_name." WHERE course_id=".$course_id." AND comment_id=".$comment_id;\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count == 1){ //there should be only 1 comment\r
- return true;\r
- } else {\r
- return false;\r
- } \r
-} \r
-\r
-\r
-/**\r
- * @desc This function returns an array which has a list of the courses\r
- * @return Array array which contains title and course_id\r
- */\r
-function get_course_list(){\r
- global $db;\r
- $table=TABLE_PREFIX.'courses';\r
- $query="SELECT course_id, title FROM ".$table." ORDER BY created_date";\r
- $result=mysql_query($query, $db);\r
- $i=0;\r
- while($row=mysql_fetch_array($result)){\r
- $array[$i]['title']=$row['title'];\r
- $array[$i]['id']=$row['course_id'];\r
- $i++;\r
- }\r
- return $array;\r
-}\r
-\r
-\r
-/**\r
- * @desc This function returns the course title \r
- * @param int $course_id course id\r
- * @return String course title \r
- */\r
-function get_course_title($course_id){\r
- global $db;\r
- $table=TABLE_PREFIX.'courses';\r
- $query="SELECT title FROM ".$table." WHERE course_id=".$course_id;\r
- $result=mysql_query($query, $db);\r
- $result=mysql_fetch_array($result);\r
- return $result['title']; \r
-}\r
-\r
-\r
-/**\r
- * @desc This function checks if the course exists or not \r
- * @param int $course_id course id\r
- * @return Boolean true if exist\r
- */ \r
-function course_exist($id){\r
- global $db;\r
- $table=TABLE_PREFIX.'courses';\r
- $query="SELECT course_id FROM ".$table." WHERE course_id='{$id}'";\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){ // It should affect only one record\r
- return true;\r
- } else {\r
- return false; \r
- }\r
-}\r
-\r
-\r
-/**\r
- * @desc This function checks whether the given input belongs to the user\r
- * @param int $choose IMAGE or COMMENT to choose\r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @param int $comment_id comment_id\r
- * @return Boolean true if the input belongs to the user\r
- */ \r
-function user_own($choose, $image_id, $course_id, $comment_id=NOT_SET){\r
- global $db;\r
- $bool=false;\r
- $table=get_table_name($choose);\r
- switch ($choose){\r
- case IMAGE:\r
- $query="SELECT login FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id;\r
- break;\r
- case COMMENT:\r
- $query="SELECT login FROM ".$table." WHERE course_id=".$course_id." AND image_id=".$image_id." AND comment_id=".$comment_id;\r
- break;\r
- } \r
- $result=mysql_query($query, $db);\r
- $result=mysql_fetch_array($result);\r
- $count=mysql_affected_rows();\r
- if (is_admin_for_course()){\r
- $bool=true;\r
- } else if ($count!=1) { //there should be only one owner \r
- global $msg;\r
- $msg->addError('pa_func_user_own');\r
- redirect('index.php');\r
- } else {\r
- if ($result['login']==$_SESSION['login']){\r
- $bool=true;\r
- }\r
- } \r
- return $bool;\r
-}\r
-\r
-\r
-/**\r
- * @desc This function changes the image status\r
- * @param int $image_id image id\r
- * @param int $course_id course id\r
- * @param int $status image status, APPROVED, DISAPPROVED or POSTED_NEW\r
- */ \r
-function modify_image_status($image_id, $course_id, $status){\r
- If (($status==APPROVED || $status==DISAPPROVED || $status==POSTED_NEW) && image_exist($image_id, $course_id)){\r
- global $db;\r
- $table=get_table_name(IMAGE); \r
- $query="UPDATE ".$table." SET status=".$status." WHERE image_id=".$image_id." AND course_id=".$course_id;\r
- $result=mysql_query($query, $db);\r
- }\r
-}\r
-\r
-\r
-/**\r
- * @desc This function changes the comment status\r
- * @param int $comment_id comment id \r
- * @param int $course_id course id\r
- * @param int $status comment status, APPROVED, DISAPPROVED or POSTED_NEW\r
- */ \r
-function modify_comment_status($comment_id, $course_id, $status){\r
- if (($status==APPROVED || $status==DISAPPROVED || $status==POSTED_NEW) && comment_exist($comment_id, $course_id)){\r
- global $db;\r
- $table=get_table_name(COMMENT);\r
- $query="UPDATE ".$table." SET status=".$status." WHERE course_id=".$course_id." AND comment_id=".$comment_id;\r
- $result=mysql_query($query, $db); \r
- }\r
-}\r
-\r
-\r
-/**\r
- * @desc This function returns the moderation status for the course. If unmoderated, the course adds user submissions immediately\r
- * @param int $course_id course_id\r
- * @return int moderation status for the course, ENABLED or DISABLED\r
- */\r
-function get_config_mode($course_id){\r
- global $db;\r
- $table=get_table_name(CONFIG);\r
- $query="SELECT status FROM ".$table." WHERE course_id=".$course_id;\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- \r
- if ($count==1){ //should be one configuration for the course\r
- $result=mysql_fetch_array($result);\r
- return $result['status']; \r
- } else { //configuration does not exist, so make one\r
- $query="INSERT INTO ".$table." SET course_id=".$course_id.", status=".CONFIG_DISABLED.", date=NOW()";\r
- mysql_query($query, $db);\r
- return CONFIG_DISABLED;\r
- }\r
-}\r
-\r
-\r
-/**\r
- * @desc This function modifies the moderation status\r
- * @param int $course_id course id\r
- * @param int $status moderation status\r
- */\r
-function modify_config_mode($course_id, $status){\r
- global $db;\r
- $table=get_table_name(CONFIG);\r
- $query="UPDATE ".$table." SET status=".$status." WHERE course_id=".$course_id;\r
- mysql_query($query, $db); \r
-}\r
-\r
-\r
-/*\r
- * @desc This function returns the maximum file size for the course\r
- * @param int $course_id course id\r
- * @return int max_file_size\r
- */\r
-function get_max_file_size($course_id){\r
- global $db;\r
- $query="SELECT max_file_size FROM ".TABLE_PREFIX."courses WHERE course_id=".$course_id;\r
- $result=mysql_query($query, $db);\r
- $count=mysql_affected_rows();\r
- if ($count==1){\r
- $result=mysql_fetch_array($result);\r
- if ($result['max_file_size']>0){\r
- return $result['max_file_size'];\r
- } else {\r
- return NOT_SET;\r
- }\r
- } else {\r
- return NOT_SET;\r
- }\r
-}\r
-\r
-\r
-?>\r
projects / atutor.git / blobdiff