* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University
* @desc This function checks weither the proposed reflink is not in use yet. It is a recursive function because every newly created reflink suggestion
* has to be checked also
*/
function createreflink($testvalue)
{
global $groupfilter;
$counter='';
while (!checktitle($testvalue.$counter))
{
$counter++;
echo $counter."-".$testvalue.$counter."<br/>";
}
// the reflink has not been found yet, so it is OK
return $testvalue.$counter;
}
/**
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University
**/
function checktitle($paramwk)
{
global $tbl_wiki;
global $groupfilter;
$sql='SELECT * FROM '.$tbl_wiki.' WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($paramwk)))).'" AND '.$groupfilter.''; // TODO: check if need entity
$result=api_sql_query($sql,__FILE__,__LINE__);
$numberofresults=Database::num_rows($result);
if ($numberofresults==0) // the value has not been found and is this available
{
return true;
}
else // the value has been found
{
return false;
}
}
/**
* @author Juan Carlos Raña <herodoto@telefonica.net>
if ($input_array[$key-1]=='[[' AND $input_array[$key+1]==']]')
{
if (strpos($value, "|") != false)
{
$full_link_array=explode("|", $value);
$link=trim($full_link_array[0]);
$title=trim($full_link_array[1]);
}
else
{
$link=$value;
$title=$value;
}
unset($input_array[$key-1]);
unset($input_array[$key+1]);
$all_links[]= Database::escape_string(str_replace(' ','_',$link)).' '; //replace blank spaces by _ within the links. But to remove links at the end add a blank space
$titleg_ex='<sup><imgsrc="css/wgroup.gif"alt="('.$group_name.')"title="Link to Wikigroup:'.$group_name.'"/></sup>';
}
*/
/////////
//now full wikilink
if (strpos($value, "|") != false)
{
$full_link_array=explode("|", $value);
$link=trim($full_link_array[0]);
$title=trim($full_link_array[1]);
}
else
{
$link=$value;
$title=$value;
}
//if wikilink is homepage
if($link=='index'){
$title=get_lang('DefaultTitle');
}
if ($link==get_lang('DefaultTitle')){
$link='index';
}
// note: checkreflink checks if the link is still free. If it is not used then it returns true, if it is used, then it returns false. Now the title may be different
if (checktitle(strtolower(str_replace(' ','_',$link))))
if($_clean['assignment']==2 || $_clean['assignment']==1) {// Unlike ordinary pages of pages of assignments. Allow create a ordinary page although there is a assignment with the same name
//echo'<ahref="javascript://"onclick="advanced_parameters()"><spanid="plus_minus"style="float:right"> '.Display::return_icon('div_show.gif',get_lang('Show')).' '.get_lang('AdvancedParameters').'</span></a>'; // TODO: under develop, uncoment and activate later
//first, check page visibility in the first page version
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$KeyVisibility=$row['visibility'];
// second, show the last version
$sql="SELECT * FROM ".$tbl_wiki."WHERE reflink='".html_entity_decode(Database::escape_string(stripslashes(urldecode($page))))."' AND $groupfilter $filter ORDER BY id DESC";
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result); // we do not need a while loop since we are always displaying the last version
//update visits
if($row['id'])
{
$sql='UPDATE '.$tbl_wiki.' SET hits=(hits+1) WHERE id='.$row['id'].'';
api_sql_query($sql,__FILE__,__LINE__);
}
// if both are empty and we are displaying the index page then we display the default text.
if ($row['content']=='' AND $row['title']=='' AND $page=='index')
* Checks if this navigation tab has to be set to active
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University
* @return html code
*/
function is_active_navigation_tab($paramwk)
{
if ($_GET['action']==$paramwk)
{
return ' class="active"';
}
}
/**
* Lock add pages
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_addnewpagelock()
{
global $tbl_wiki;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_addlock=$row['addlock'];
//change status
if ($_GET['actionpage']=='addlock' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['addlock']==1)
{
$status_addlock=0;
}
else
{
$status_addlock=1;
}
api_sql_query('UPDATE '.$tbl_wiki.' SET addlock="'.Database::escape_string($status_addlock).'" WHERE '.$groupfilter.'',__LINE__,__FILE__);
$sql='SELECT * FROM '.$tbl_wiki.'WHERE '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['addlock']==1 || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Protect page
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_protect_page()
{
global $tbl_wiki;
global $page;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_editlock=$row['editlock'];
$id=$row['id'];
///change status
if ($_GET['actionpage']=='lock' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['editlock']==0)
{
$status_editlock=1;
}
else
{
$status_editlock=0;
}
$sql='UPDATE '.$tbl_wiki.' SET editlock="'.Database::escape_string($status_editlock).'" WHERE id="'.$id.'"';
api_sql_query($sql,__FILE__,__LINE__);
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['editlock']==0 || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Visibility page
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_visibility_page()
{
global $tbl_wiki;
global $page;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_visibility=$row['visibility'];
$id=$row['id']; //need ? check. TODO
//change status
if ($_GET['actionpage']=='visibility' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['visibility']==1)
{
$status_visibility=0;
}
else
{
$status_visibility=1;
}
$sql='UPDATE '.$tbl_wiki.' SET visibility="'.Database::escape_string($status_visibility).'" WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter;
api_sql_query($sql,__FILE__,__LINE__);
//Although the value now is assigned to all (not only the first), these three lines remain necessary. They do that by changing the page state is made when you press the button and not have to wait to change his page
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['visibility']=="1" || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Visibility discussion
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_visibility_discuss()
{
global $tbl_wiki;
global $page;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_visibility_disc=$row['visibility_disc'];
$id=$row['id']; //need ? check. TODO
//change status
if ($_GET['actionpage']=='visibility_disc' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['visibility_disc']==1)
{
$status_visibility_disc=0;
}
else
{
$status_visibility_disc=1;
}
$sql='UPDATE '.$tbl_wiki.' SET visibility_disc="'.Database::escape_string($status_visibility_disc).'" WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter;
api_sql_query($sql,__FILE__,__LINE__);
//Although the value now is assigned to all (not only the first), these three lines remain necessary. They do that by changing the page state is made when you press the button and not have to wait to change his page
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['visibility_disc']==1 || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Lock add discussion
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_addlock_discuss()
{
global $tbl_wiki;
global $page;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_addlock_disc=$row['addlock_disc'];
$id=$row['id']; //need ? check. TODO
//change status
if ($_GET['actionpage']=='addlock_disc' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['addlock_disc']==1)
{
$status_addlock_disc=0;
}
else
{
$status_addlock_disc=1;
}
$sql='UPDATE '.$tbl_wiki.' SET addlock_disc="'.Database::escape_string($status_addlock_disc).'" WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter;
api_sql_query($sql,__FILE__,__LINE__);
//Although the value now is assigned to all (not only the first), these three lines remain necessary. They do that by changing the page state is made when you press the button and not have to wait to change his page
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['addlock_disc']==1 || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Lock rating discussion
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_ratinglock_discuss()
{
global $tbl_wiki;
global $page;
global $groupfilter;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$status_ratinglock_disc=$row['ratinglock_disc'];
$id=$row['id']; //need ? check. TODO
//change status
if ($_GET['actionpage']=='ratinglock_disc' && (api_is_allowed_to_edit() || api_is_platform_admin()))
{
if ($row['ratinglock_disc']==1)
{
$status_ratinglock_disc=0;
}
else
{
$status_ratinglock_disc=1;
}
$sql='UPDATE '.$tbl_wiki.' SET ratinglock_disc="'.Database::escape_string($status_ratinglock_disc).'" WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter; //Visibility. Value to all,not only for the first
api_sql_query($sql,__FILE__,__LINE__);
//Although the value now is assigned to all (not only the first), these three lines remain necessary. They do that by changing the page state is made when you press the button and not have to wait to change his page
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.html_entity_decode(Database::escape_string(stripslashes(urldecode($page)))).'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
}
//show status
if ($row['ratinglock_disc']==1 || ($row['content']=='' AND $row['title']=='' AND $page=='index'))
{
return false;
}
else
{
return true;
}
}
/**
* Notify page changes
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_notify_page($reflink)
{
global $tbl_wiki;
global $groupfilter;
global $tbl_wiki_mailcue;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.$reflink.'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$id=$row['id'];
$sql='SELECT * FROM '.$tbl_wiki_mailcue.'WHERE id="'.$id.'" AND user_id="'.api_get_user_id().'" AND type="P"';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$idm=$row['id'];
if (empty($idm))
{
$status_notify=0;
}
else
{
$status_notify=1;
}
//change status
if ($_GET['actionpage']=='notify')
{
if ($status_notify==0)
{
$sql="INSERT INTO ".$tbl_wiki_mailcue." (id, user_id, type, group_id) VALUES ('".$id."','".api_get_user_id()."','P','".$_clean['group_id']."')";
api_sql_query($sql,__FILE__,__LINE__);
$status_notify=1;
}
else
{
$sql='DELETE FROM '.$tbl_wiki_mailcue.' WHERE id="'.$id.'" AND user_id="'.api_get_user_id().'" AND type="P"'; //$_clean['group_id'] not necessary
api_sql_query($sql,__FILE__,__LINE__);
$status_notify=0;
}
}
//show status
if ($status_notify==0)
{
return false;
}
else
{
return true;
}
}
/**
* Notify discussion changes
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_notify_discuss($reflink)
{
global $tbl_wiki;
global $groupfilter;
global $tbl_wiki_mailcue;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.$reflink.'" AND '.$groupfilter.' ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$id=$row['id'];
$sql='SELECT * FROM '.$tbl_wiki_mailcue.'WHERE id="'.$id.'" AND user_id="'.api_get_user_id().'" AND type="D"';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$idm=$row['id'];
if (empty($idm))
{
$status_notify_disc=0;
}
else
{
$status_notify_disc=1;
}
//change status
if ($_GET['actionpage']=='notify_disc')
{
if ($status_notify_disc==0)
{
if (!$_POST['Submit'])
{
$sql="INSERT INTO ".$tbl_wiki_mailcue." (id, user_id, type, group_id) VALUES ('".$id."','".api_get_user_id()."','D','".$_clean['group_id']."')";
api_sql_query($sql,__FILE__,__LINE__);
$status_notify_disc=1;
}
else
{
$status_notify_disc=0;
}
}
else
{
if (!$_POST['Submit'])
{
$sql='DELETE FROM '.$tbl_wiki_mailcue.' WHERE id="'.$id.'" AND user_id="'.api_get_user_id().'" AND type="D"'; //$_clean['group_id'] not necessary
api_sql_query($sql,__FILE__,__LINE__);
$status_notify_disc=0;
}
else
{
$status_notify_disc=1;
}
}
}
//show status
if ($status_notify_disc==0)
{
return false;
}
else
{
return true;
}
}
/**
* Notify all changes
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_notify_all()
{
global $tbl_wiki_mailcue;
$_clean['group_id']=(int)$_SESSION['_gid'];
$sql='SELECT * FROM '.$tbl_wiki_mailcue.'WHERE user_id="'.api_get_user_id().'" AND type="F" AND group_id="'.$_clean['group_id'].'"';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$idm=$row['user_id'];
if (empty($idm))
{
$status_notify_all=0;
}
else
{
$status_notify_all=1;
}
//change status
if ($_GET['actionpage']=='notify_all')
{
if ($status_notify_all==0)
{
$sql="INSERT INTO ".$tbl_wiki_mailcue." (user_id, type, group_id) VALUES ('".api_get_user_id()."','F','".$_clean['group_id']."')";
api_sql_query($sql,__FILE__,__LINE__);
$status_notify_all=1;
}
else
{
$sql='DELETE FROM '.$tbl_wiki_mailcue.' WHERE user_id="'.api_get_user_id().'" AND type="F" AND group_id="'.$_clean['group_id'].'"';
api_sql_query($sql,__FILE__,__LINE__);
$status_notify_all=0;
}
}
//show status
if ($status_notify_all==0)
{
return false;
}
else
{
return true;
}
}
/**
* Function check emailcue and send email when a page change
* @author Juan Carlos Raña <herodoto@telefonica.net>
*/
function check_emailcue($id_or_ref, $type, $lastime='', $lastuser='')
$sql='SELECT * FROM '.$tbl_wiki.'WHERE reflink="'.$id_or_ref.'" AND '.$groupfilter.' ORDER BY id ASC'; //id_or_ref is reflink from tblwiki
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$id=$row['id'];
$email_page_name=$row['title'];
if ($row['visibility']==1)
{
$allow_send_mail=true; //if visibility off - notify off
$sql='SELECT * FROM '.$tbl_wiki_mailcue.'WHERE id="'.$id.'" AND type="'.$type.'" OR type="F" AND group_id="'.$_clean['group_id'].'"'; //type: P=page, D=discuss, F=full.
$sql='SELECT * FROM '.$tbl_wiki.'WHERE id="'.$id.'" ORDER BY id ASC';
$result=api_sql_query($sql,__LINE__,__FILE__);
$row=Database::fetch_array($result);
$email_page_name=$row['title'];
if ($row['visibility_disc']==1)
{
$allow_send_mail=true; //if visibility off - notify off
$sql='SELECT * FROM '.$tbl_wiki_mailcue.'WHERE id="'.$id.'" AND type="'.$type.'" OR type="F" AND group_id="'.$_clean['group_id'].'"'; //type: P=page, D=discuss, F=full
$is_tutor_of_group = GroupManager :: is_tutor_of_group($assig_user_id,$_clean['group_id']); //student is tutor
$is_tutor_and_member = (GroupManager :: is_tutor_of_group($assig_user_id,$_clean['group_id']) && GroupManager :: is_subscribed($assig_user_id, $_clean['group_id'])); //student is tutor and member
$_POST['content']='<divalign="center"style="font-size:24px; background-color: #F5F8FB; border:double">'.$photo.get_lang('Student').': '.$name.'</div>[['.$link2teacher.' | '.get_lang('AssignmentLinktoTeacherPage').']] '; //If $content_orig_B is added here, the task written by the professor was copied to the page of each student. TODO: config options
if(api_is_allowed_to_edit() || api_is_platform_admin()) //only by professors if page is hidden
{
if($search_content=='1')
{
$sql="SELECT * FROM ".$tbl_wiki." s1 WHERE title LIKE '%".Database::escape_string($search_term)."%' OR content LIKE '%".Database::escape_string($search_term)."%' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.")";// warning don't use group by reflink because don't return the last version
}
else
{
$sql="SELECT * FROM ".$tbl_wiki." s1 WHERE title LIKE '%".Database::escape_string($search_term)."%' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.")";// warning don't use group by reflink because don't return the last version
}
}
else
{
if($search_content=='1')
{
$sql="SELECT * FROM ".$tbl_wiki." s1 WHERE visibility=1 AND title LIKE '%".Database::escape_string($search_term)."%' OR content LIKE '%".Database::escape_string($search_term)."%' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.")";// warning don't use group by reflink because don't return the last version
}
else
{
$sql="SELECT * FROM ".$tbl_wiki." s1 WHERE visibility=1 AND title LIKE '%".Database::escape_string($search_term)."%' AND id=(SELECT MAX(s2.id) FROM ".$tbl_wiki." s2 WHERE s1.reflink = s2.reflink AND ".$groupfilter.")";// warning don't use group by reflink because don't return the last version
