Source for file edit_offering_details.act.php

<?php
 
/**
 * This action is the central page for viewing and modifying course offering information.
 *
 * @package polyphony.coursemanagement
 *
 *
 * @since 7/28/06
 *
 * @copyright Copyright &copy; 2006, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: edit_offering_details.act.php,v 1.11 2007/09/19 14:04:54 adamfranco Exp $
 */ 
 
require_once(POLYPHONY."/main/library/AbstractActions/MainWindowAction.class.php");
require_once(HARMONI."GUIManager/Components/Blank.class.php");
require_once(POLYPHONY."/main/modules/coursemanagement/edit_section_details.act.php");
 
class edit_offering_detailsAction 
    extends MainWindowAction
{
    /**
     * Check Authorizations
     * 
     * @return boolean 
     * @access public
     * @since 4/26/05
     */
    function isAuthorizedToExecute () {
        // Check for authorization
        $authZManager = Services::getService("AuthZ");
        $idManager = Services::getService("IdManager");
        $harmoni = Harmoni::instance();
        
        $harmoni->request->startNamespace("polyphony-agents");
        $offeringIdString = $harmoni->request->get("courseId");
 
        $harmoni->request->endNamespace();
        
        if ($authZManager->isUserAuthorized(
                    $idManager->getId("edu.middlebury.authorization.modify"),
                    $idManager->getId($offeringIdString)))
        {
            return TRUE;
        } else
            return FALSE;
    }
    
    /**
     * Return the heading text for this action, or an empty string.
     * 
     * @return string 
     * @access public
     * @since 4/26/05
     */
    function getHeadingText () {
        $harmoni = Harmoni::instance();
        $harmoni->request->startNamespace("polyphony-agents");
        $harmoni->request->passthrough("courseId");
        $offeringIdString = $harmoni->request->get("courseId");
        $idManager = Services::getService("Id");
        $offeringId =$idManager->getId($offeringIdString);
        $cm = Services::getService("CourseManagement");
        $offering =$cm->getCourseOffering($offeringId);
        return dgettext("polyphony", $offering->getDisplayName());
    }
    
    /**
     * Build the content for this action
     * 
     * @return void 
     * @access public
     * @since 4/26/05
     */
    function buildContent () {
        $defaultTextDomain = textdomain("polyphony");
        
        $actionRows =$this->getActionRows();
        //$pageRows = new Container(new YLayout(), OTHER, 1);
        $harmoni = Harmoni::instance();
        
        $harmoni->request->startNamespace("polyphony-agents");
        $harmoni->request->passthrough("courseId");
        $offeringIdString = $harmoni->request->get("courseId");
        $furtherAction = $harmoni->request->get("furtherAction");
 
        $idManager = Services::getService("Id");
        $offeringId =$idManager->getId($offeringIdString);
        $cm = Services::getService("CourseManagement");
        $offering =$cm->getCourseOffering($offeringId);
 
        
        ob_start();
        
        if (!$furtherAction) $furtherAction = "edit_offering_detailsAction::viewOfferingDetails";
        
        $actionFunctions = array(
            "edit_offering_detailsAction::viewOfferingDetails",
            "edit_offering_detailsAction::confirmDeleteOffering",
            "edit_offering_detailsAction::deleteOffering",
        );
            
        
        if($furtherAction && in_array($furtherAction, $actionFunctions)){
            eval($furtherAction.'($offering);');
        }
        
        
        
        // Layout
        $actionRows->add(new Block(ob_get_contents(),2),"100%", null, CENTER, TOP);
        ob_end_clean();
        $harmoni->request->forget("courseId");
        $harmoni->request->endNamespace();
        
        textdomain($defaultTextDomain);
    }
 
/***************************FUNCTIONS***************************************/
 
 
    /**
     * shows the details of the offering's properties and gives menu of actions
     * 
     * @param object Agent $agent 
     * @return void 
     * @access public
     * @since 7/19/05
     */
    function viewOfferingDetails($offering){
        
        
        edit_offering_detailsAction::refreshOfferingDetails($offering);
 
        $offeringId =$offering->getId();
        $offeringIdString = $offeringId->getIdString();
        
        //display offering info    
        //print "\n<h3>".$offering->getDisplayName()."</h3>";
        
        
        
        print "<div style='margin-left: 15px'>";
        
        print "\n<table><tr><td>";
        
        //print "\n<table bgcolor='#AAAAAA' cellspacing='1' cellpadding='3'>";
 
        //print "\n\t<tr><td>";
                
        $term =$offering->getTerm();
        print "\n<h1>".$offering->getDisplayName()." - ".$term->getDisplayName()."</h1>";
 
        /*
        
        print "\n\t\t<td>Display Name</td>";
        print "\n\t\t<td>";
        print $offering->getDisplayName();
        print "</td>";    
        print "\n\t</tr>";
        print "\n\t<tr>";
        print "\n\t\t<td>Number</td>";
        print "\n\t\t<td>";
        print $offering->getNumber();
        print "</td>";    
        print "\n\t</tr>";
        print "\n\t<tr>";
        print "\n\t\t<td>Term</td>";
        print "\n\t\t<td>";
        $term =$offering->getTerm();
        print $term->getDisplayName();
        */        
        //print "</td>";    
        //print "\n\t</tr>";            
        //print "\n</table>";
        
        
        
        
        
        print "\n</td><td>";
        
 
        //actions menu
        $harmoni = Harmoni::instance();
        $url =$harmoni->request->mkURL();
        
        $link1 = $harmoni->request->quickURL("coursemanagement", "createcoursesection", 
                                   array("offeringId=>$offeringIdString"));
        $link2 = $harmoni->request->quickURL("coursemanagement", "createcourse");
        print "<ul>
                <li><a href='".$url->write("furtherAction","edit_offering_detailsAction::editOffering")."'>Edit Offering</a></li>
                <li><a href='".$url->write("furtherAction","edit_offering_detailsAction::deleteOffering")."'>Delete Offering</a></li>
                <li><a href='".$link1."'>Add a course section</a></li>
                <li><a href='".$link2."'>Add a new course offering</a></li>
                </ul>";
        print "\n</td></tr></table>";
        
        print "</div>";
        
        $actionRows =$this->getActionRows();
        //$actionRows->add(new Block(ob_get_contents(),2),"100%", null, CENTER, TOP);
        //ob_end_clean();
 
        //ob_start();
        
        //$actionRows =$this->getActionRows();
        //$pageRows = new Container(new YLayout(), OTHER, 1);
        
        $sections =$offering->getCourseSections();
        
        //print "<h2>Sections:</h2>";
        
        
        while($sections->hasNextCourseSection()){
            
        
        $actionRows->add(new Block(ob_get_contents(),2),"100%", null, CENTER, TOP);
        ob_end_clean();
 
        ob_start();
        
        $actionRows =$this->getActionRows();
        $pageRows = new Container(new YLayout(), OTHER, 1);
        
        
        $section =$sections->nextCourseSection();
        
        edit_section_detailsAction::viewSectionDetails($section);
        
        }
        
 
        
    }
    
 
    
    
    /*
     * offers a confirmation screen for deleting an entire offering
     */
     
    function confirmDeleteOffering($offering){
        $harmoni = Harmoni::instance();
        $url =$harmoni->request->mkURL();
        print "Do you really want to delete ".$offering->getDisplayName()."?<br />";
        print "<form action='".$url->write("furtherAction","edit_offering_detailsAction::deleteOffering")."' method='post'><input type='submit' value='Delete' /></form><input type='button' value='Cancel' onclick='history.back()' />";
        return;
    }
    
    /*
     * Handles the actual deletion of an offering
     */
     
    function deleteOffering($offering){
        //$cm = Services::getService("CourseManagement");
        $can =$offering->getCanonicalCourse();
        $can->deleteCourseOffering($offering->getId());
        
        $harmoni = Harmoni::instance();
        print "Offering deleted.<br />";
        $link1 = $harmoni->request->quickURL("coursemanagement", "coursesearch");
        print "<p><a href='".$link1."'>Go back to course search.</a></p>";
        $link2 = $harmoni->request->quickURL("coursemanagement", "createcourse");
        print "<p><a href='".$link2."'>Go back to creating courses.</a></p>";
        
        return;
    }
    
    
            
    function _printAgent($agent){
        
        
        
        if(!is_null($term)){
            //print "\n</table>";
            print "\n\t<tr>";
            print "\n<td><hr></td>";
            print "\n<td><hr></td>";
            print "\n\t\t</tr>";
            print "\n\t<tr>";
            print "\n\t\t<td><h4>";
            print $term->getDisplayName();
            print "</h4</td>";        
        
        }else{
            print "\n\t<tr>";
            print "\n\t\t<td>";
            
            print "</td>";        
        }
        
        $harmoni = Harmoni::instance();
        $id =$offering->getId();
        print "\n\t\t<td>";
        print "\n<a href='".$harmoni->request->quickURL("coursemanagement", "edit_offering_details", array("courseId"=>$id->getIdString()))."'>";
        print $offering->getDisplayName()."</a>";        
        print "\n - <a href=\"Javascript:alert('"._("Id:").'\n\t'.addslashes($id->getIdString())."')\">"._("Id")."</a>";
        print "</td>";
        //print "\n\t\t<td>";
        //$term =$offering->getTerm();
        //print $term->getDisplayName();
        //print "</td>";        
        print "\n\t</tr>";
        
        
        
    }
    
    function refreshOfferingDetails($offering){
        
        
        $term =$offering->getTerm();
        $termName = $term->getDisplayName();
        $year = substr($termName,strlen($termName)-2,2);
        $season = substr($termName,0,strlen($termName)-5);
        
        //print "Hmmm?";
        //print $termName;
        //print $season;
        //print $year;
        //print "Hmmm?";
    
        
        if($season === "Winter"){
            $seasonChar = 'w';
        }elseif($season === "Spring"){
            $seasonChar = 's';
        }elseif($season === "Summer"){
            $seasonChar = 'l';
        }elseif($season === "Fall"){
            $seasonChar = 'f';
        }else{
            //print "*'".$season."'*?";
        }
        
        $type = new Type("EnrollmentRecordType","edu.middlebury","LDAP");
        
        $distinguishedNameBase = "-".$seasonChar.$year.",OU=".$season.$year.",OU=Classes,OU=Groups,DC=middlebury,DC=edu";
        
        //print $distinguishedNameBase;
        
        $sections =$offering->getCourseSections();
        
        $am = Services::getService("AgentManager");
        $im = Services::getService("Id");
        while($sections->hasNextCourseSection()){
            $section = $sections->nextCourseSection();
            
            
            //print "'CN=".$section->getNumber().$distinguishedNameBase."'";
            
            $id = $im->getId("CN=".$section->getNumber().$distinguishedNameBase);
            $group =$am->getGroup($id);
            
            $agentIterator =$group->getMembers(false);
            
            
            while($agentIterator->hasNext()){
                $agent = $agentIterator->nextAgent();
                $agentId =$agent->getId(); 
                
                
                $dbManager = Services::getService("DatabaseManager");
            $query= new SelectQuery;
            $query->addTable('cm_enroll');
            $query->addWhere("fk_cm_section='".addslashes($section->_id->getIdString())."'");
            $query->addWhere("fk_student_id='".addslashes($agentId->getIdString())."'");
            //I don't need Id, but I need to select something for the query to work
            $query->addColumn('id');//@TODO select count instead
            $res=$dbManager->query($query);
            if($res->getNumberOfRows()==0){
                $section->addStudent($agentId, $p = new Type("EnrollmentStatusType","edu.middlebury","LDAP"));
            }
                
            
                //$section->addStudent($agentId,$type);
            }
            
        }
        
        
        
        
    }
}
 
/*I know that this action has multiple furtherActions (subactions) but I thought it would help me modularize the design 
  in editing and deleting a section (and seeing sections within an offering).  I did separate out the editing of the 
  section roster because that is a whole different process altogether.
*/