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[svn r12173] Fixed database tables name construction

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Removed useless empty lines
skala
Yannick Warnier 18 years ago
parent 5a4da900a9
commit 1eaf02f824
1 changed files with 26 additions and 318 deletions
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  1. 344
      main/newscorm/learnpath.class.php

344
main/newscorm/learnpath.class.php
Unescape View File

@ -2371,10 +2371,8 @@ class learnpath {
}
$file = '';
$lp_db = Database::get_current_course_database();
$lp_pref = Database::get_course_table_prefix();
$lp_table = $lp_db.'.'.$lp_pref.'lp';
$lp_item_table = $lp_db.'.'.$lp_pref.'lp_item';
$lp_table = Database::get_course_table(TABLE_LP_MAIN);
$lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
$sel = "SELECT l.lp_type as ltype, l.path as lpath, li.item_type as litype, li.path as lipath, li.parameters as liparams " .
"FROM $lp_table l, $lp_item_table li WHERE li.id = $item_id AND li.lp_id = l.id";
if($this->debug>2){error_log('New LP - In learnpath::get_link() - selecting item '.$sel,0);}
@ -2509,656 +2507,366 @@ class learnpath {
}else{
$file = 'lp_content.php?type=dir';
}
break;
case 4:
break;
default:
break;
}
}
if($this->debug>2){error_log('New LP - In learnpath::get_link() - returning "'.$file.'" from get_link',0);}
return $file;
}
/**
* Gets the latest usable view or generate a new one
* @param integer Optional attempt number. If none given, takes the highest from the lp_view table
* @return integer DB lp_view id
*/
function get_view($attempt_num=0)
{
if($this->debug>0){error_log('New LP - In learnpath::get_view()',0);}
$search = '';
//use $attempt_num to enable multi-views management (disabled so far)
if($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num)
{
$search = 'AND view_count = '.$attempt_num;
}
//when missing $attempt_num, search for a unique lp_view record for this lp and user
$lp_view_table = Database::get_course_table('lp_view');
$sql = "SELECT id, view_count FROM $lp_view_table " .
"WHERE lp_id = ".$this->get_id()." " .
"AND user_id = ".$this->get_user_id()." " .
$search .
" ORDER BY view_count DESC";
$res = api_sql_query($sql);
if(Database::num_rows($res)>0)
{
$row = Database::fetch_array($res);
$this->lp_view_id = $row['id'];
}else{
//no database record, create one
$sql = "INSERT INTO $lp_view_table(lp_id,user_id,view_count)" .
"VALUES (".$this->get_id().",".$this->get_user_id().",1)";
$res = api_sql_query($sql);
$id = Database::get_last_insert_id();
$this->lp_view_id = $id;
}
}
/**
* Gets the current view id
* @return integer View ID (from lp_view)
*/
function get_view_id()
{
if($this->debug>0){error_log('New LP - In learnpath::get_view_id()',0);}
if(!empty($this->lp_view_id))
{
return $this->lp_view_id;
}else{
return 0;
}
}
/**
* Gets the update queue
* @return array Array containing IDs of items to be updated by JavaScript
*/
function get_update_queue()
{
if($this->debug>0){error_log('New LP - In learnpath::get_update_queue()',0);}
return $this->update_queue;
}
/**
* Gets the user ID
* @return integer User ID
*/
function get_user_id()
{
if($this->debug>0){error_log('New LP - In learnpath::get_user_id()',0);}
if(!empty($this->user_id))
{
return $this->user_id;
}else{
return false;
}
}
/**
* Logs a message into a file
* @param string Message to log
* @return boolean True on success, false on error or if msg empty
*/
function log($msg)
{
if($this->debug>0){error_log('New LP - In learnpath::log()',0);}
//TODO
$this->error .= $msg."\n";
return true;
}
/**
* Moves an item up and down at its level
* @param integer Item to move up and down
* @param string Direction 'up' or 'down'
* @return integer New display order, or false on error
*/
function move_item($id, $direction){
if($this->debug>0){error_log('New LP - In learnpath::move_item('.$id.','.$direction.')',0);}
if(empty($id) or empty($direction)){return false;}
$tbl_lp_item = Database::get_course_table('lp_item');
$sql_sel = "
SELECT *
FROM " . $tbl_lp_item . "
WHERE id = " . $id;
$res_sel = api_sql_query($sql_sel,__FILE__,__LINE__);
//check if elem exists
if(Database::num_rows($res_sel)<1){return false;}
//gather data
$row = Database::fetch_array($res_sel);
$previous = $row['previous_item_id'];
$next = $row['next_item_id'];
$display = $row['display_order'];
$parent = $row['parent_item_id'];
$lp = $row['lp_id'];
//update the item (switch with previous/next one)
switch($direction)
{
case 'up':
if($this->debug>2){error_log('Movement up detected',0);}
if($display <= 1){/*do nothing*/}
else{
$sql_sel2 = "SELECT *
FROM $tbl_lp_item
WHERE id = $previous";
if($this->debug>2){error_log('Selecting previous: '.$sql_sel2,0);}
$res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
if(Database::num_rows($res_sel2)<1){$previous_previous = 0;}
//gather data
$row2 = Database::fetch_array($res_sel2);
$previous_previous = $row2['previous_item_id'];
//update previous_previous item (switch "next" with current)
if($previous_previous != 0){
if($previous_previous != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $id WHERE id = $previous_previous";
if($this->debug>2){error_log($sql_upd2,0);}
$res_upd2 = api_sql_query($sql_upd2);
}
//update previous item (switch with current)
if($previous != 0){
if($previous != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next, previous_item_id = $id, display_order = display_order +1 WHERE id = $previous";
if($this->debug>2){error_log($sql_upd2,0);}
$res_upd2 = api_sql_query($sql_upd2);
}
//update current item (switch with previous)
if($id != 0){
$sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $previous, previous_item_id = $previous_previous, display_order = display_order-1 WHERE id = $id";
if($this->debug>2){error_log($sql_upd2,0);}
$res_upd2 = api_sql_query($sql_upd2);
}
//update next item (new previous item)
if($next != 0){
$sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous WHERE id = $next";
if($this->debug>2){error_log($sql_upd2,0);}
$res_upd2 = api_sql_query($sql_upd2);
}
$display = $display-1;
}
break;
case 'down':
if($this->debug>2){error_log('Movement down detected',0);}
if($next == 0){/*do nothing*/}
else{
$sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE id = $next";
if($this->debug>2){error_log('Selecting next: '.$sql_sel2,0);}
$res_sel2 = api_sql_query($sql_sel2,__FILE__,__LINE__);
if(Database::num_rows($res_sel2)<1){$next_next = 0;}
//gather data
$row2 = Database::fetch_array($res_sel2);
$next_next = $row2['next_item_id'];
//update previous item (switch with current)
if($previous != 0){
if($previous != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next WHERE id = $previous";
$res_upd2 = api_sql_query($sql_upd2);
}
//update current item (switch with previous)
if($id != 0){
if($id != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $next, next_item_id = $next_next, display_order = display_order+1 WHERE id = $id";
$res_upd2 = api_sql_query($sql_upd2);
}
//update next item (new previous item)
if($next != 0){
if($next != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous, next_item_id = $id, display_order = display_order-1 WHERE id = $next";
$res_upd2 = api_sql_query($sql_upd2);
}
//update next_next item (switch "previous" with current)
if($next_next != 0){
if($next_next != 0)
{
$sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $id WHERE id = $next_next";
$res_upd2 = api_sql_query($sql_upd2);
}
$display = $display+1;
}
break;
default:
return false;
}
return $display;
}
/**
* Updates learnpath attributes to point to the next element
* The last part is similar to set_current_item but processing the other way around
*/
function next(){
function next()
{
if($this->debug>0){error_log('New LP - In learnpath::next()',0);}
$this->last = $this->get_current_item_id();
$this->items[$this->last]->save(false);
$this->autocomplete_parents($this->last);
$new_index = $this->get_next_index();
if($this->debug>2){error_log('New LP - New index: '.$new_index,0);}
$this->index = $new_index;
if($this->debug>2){error_log('New LP - Now having orderedlist['.$new_index.'] = '. $this->ordered_items[$new_index],0);}
$this->current = $this->ordered_items[$new_index];
if($this->debug>2){error_log('New LP - new item id is '.$this->current.'-'.$this->get_current_item_id(),0);}
}
/**
* Open a resource = initialise all local variables relative to this resource. Depending on the child
* class, this might be redefined to allow several behaviours depending on the document type.
* @param integer Resource ID
* @return boolean True on success, false otherwise
*/
function open($id)
{
if($this->debug>0){error_log('New LP - In learnpath::open()',0);}
//TODO
//set the current resource attribute to this resource
//switch on element type (redefine in child class?)
//set status for this item to "opened"
//start timer
//initialise score
$this->index = 0; //or = the last item seen (see $this->last)
}
/**
* Check that all prerequisites are fulfilled. Returns true and an empty string on succes, returns false
* and the prerequisite string on error.
* This function is based on the rules for aicc_script language as described in the SCORM 1.2 CAM documentation page 108.
* @param integer Optional item ID. If none given, uses the current open item.
* @return boolean True if prerequisites are matched, false otherwise
* @return string Empty string if true returned, prerequisites string otherwise.
*/
function prerequisites_match($item = null){
function prerequisites_match($item = null)
{
if($this->debug>0){error_log('New LP - In learnpath::prerequisites_match()',0);}
if(empty($item)){$item = $this->current;}
if(is_object($this->items[$item])){
if(is_object($this->items[$item]))
{
$prereq_string = $this->items[$item]->get_prereq_string();
if(empty($prereq_string)){return true;}
//clean spaces
$prereq_string = str_replace(' ','',$prereq_string);
if($this->debug>0){error_log('Found prereq_string: '.$prereq_string,0);}
//now send to the parse_prereq() function that will check this component's prerequisites
$result = $this->items[$item]->parse_prereq($prereq_string,$this);
if($result === false){
if($result === false)
{
$this->set_error_msg($this->items[$item]->prereq_alert);
}
}else{
$result = true;
if($this->debug>1){error_log('New LP - $this->items['.$item.'] was not an object',0);}
}
if($this->debug>1){error_log('New LP - End of prerequisites_match(). Error message is now '.$this->error,0);}
return $result;
}
/**
* Updates learnpath attributes to point to the previous element
* The last part is similar to set_current_item but processing the other way around
*/
function previous(){
function previous()
{
if($this->debug>0){error_log('New LP - In learnpath::previous()',0);}
$this->last = $this->get_current_item_id();
$this->items[$this->last]->save(false);
$this->autocomplete_parents($this->last);
$new_index = $this->get_previous_index();
$this->index = $new_index;
$this->current = $this->ordered_items[$new_index];
}
/**
* Publishes a learnpath. This basically means show or hide the learnpath
* to normal users.
* Can be used as abstract
* @param integer Learnpath ID
* @param string New visibility
*/
function toggle_visibility($lp_id,$set_visibility='v')
{
//if($this->debug>0){error_log('New LP - In learnpath::toggle_visibility()',0);}
$tbl_lp = Database::get_course_table('lp');
$sql="SELECT * FROM $tbl_lp where id=$lp_id";
$result=api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($result);
$name=domesticate($row['name']);
if($set_visibility == 'i') {
$s=$name." ".get_lang('_no_published');
$dialogBox=$s;
$v=0;
}
if($set_visibility == 'v') {
if($set_visibility == 'v')
{
$s=$name." ".get_lang('_published');
$dialogBox=$s;
$v=1;
}
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$link = 'newscorm/lp_controller.php?action=view&lp_id='.$lp_id;
$sql="SELECT * FROM $tbl_tool where name='$name' and image='scormbuilder.gif' and link LIKE '$link%'";
$result=api_sql_query($sql,__FILE__,__LINE__);
$num=Database::num_rows($result);
$row2=Database::fetch_array($result);
//if($this->debug>2){error_log('New LP - '.$sql.' - '.$num,0);}
if(($set_visibility == 'i') && ($num>0))
{
//it is visible or hidden but once was published
if(($row2['visibility'])==1)
{
$sql ="DELETE FROM $tbl_tool WHERE (name='$name' and image='scormbuilder.gif' and link LIKE '$link%')";
}
else
{
$sql ="UPDATE $tbl_tool set visibility=1 WHERE (name='$name' and image='scormbuilder.gif' and link LIKE '$link%')";
}
}
elseif(($set_visibility == 'v') && ($num==0))
{
$sql ="INSERT INTO $tbl_tool (name, link, image, visibility, admin, address, added_tool) VALUES ('$name','newscorm/lp_controller.php?action=view&lp_id=$lp_id','scormbuilder.gif','$v','0','pastillegris.gif',0)";
}
else
{
//parameter and database incompatible, do nothing
}
$result=api_sql_query($sql,__FILE__,__LINE__);
//if($this->debug>2){error_log('New LP - Leaving learnpath::toggle_visibility: '.$sql,0);}
}
/**
* Restart the whole learnpath. Return the URL of the first element.

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