<?php

	/**
	 * Poster: edit course action
	 */

	// Make sure we're logged in (send us to the front page if not)
	gatekeeper();

    // Make sure action is secure
    action_gatekeeper();

    // Get input data
    $course_guid = (int) get_input('course_guid');
    $title = get_input('title');
    $brief_desc = get_input('brief_description');
	$subjects = get_input('subjects');
	$targetgroup = get_input('targetgroup');
	$description = get_input('description');
	$additional_info = get_input('additional_info');
	$place = get_input('place');
	$capacity = get_input('capacity');
	$cost = get_input('cost');
	$beginning_date = get_input('beginning_date');
	$ending_date = get_input('ending_date');
	$contact_person = get_input('contact_person');
	$telephone = get_input('telephone');
    $email = get_input('email');
    $gmaplocation = get_input('course_gmap');

	// Cache to the session
    $_SESSION['title'] = $title;
    $_SESSION['brief_description'] = $brief_desc;
	$_SESSION['subjects'] = $subjects;
	$_SESSION['targetgroup'] = $targetgroup;
	$_SESSION['description'] = $description;
	$_SESSION['additional_info'] = $additional_info;
	$_SESSION['place'] = $place;
	$_SESSION['capacity'] = $capacity;
	$_SESSION['cost'] = $cost;
	$_SESSION['beginning_date'] = $beginning_date;
	$_SESSION['ending_date'] = $ending_date;
	$_SESSION['contact_person'] = $contact_person;
	$_SESSION['telephone'] = $telephone;
    $_SESSION['email'] = $email;
    $_SESSION['gmaplocation'] = $gmaplocation;
		
    $errors = false;
	// Make sure the title / description aren't blank
	if (empty($title) || empty($brief_desc) || empty($description) || empty($place) || empty($capacity) || empty($contact_person) || empty($email)) {
        /*translation:Fill missing fields*/
        register_error(elgg_echo('koolielu:fill_missing_fields'));
        $errors = true;
    }        
    // check that beginning would not be larger than end
    if ($beginning_date && $ending_date) {
        $beginning = dateIntoTimestamp($beginning_date);
        $ending = dateIntoTimestamp($ending_date);
        if ($beginning > $ending) {
            /*translation:Beginning date should be smaller than ending date.*/
            register_error(elgg_echo('koolielu:error_beginning_larger_than_end'));
            $errors = true; 
        }    
    }
			
    if ($errors) {
        forward("pg/poster/edit_course/" . $course_guid);
	// Otherwise, save changes
	} else {
        $course = get_entity($course_guid);
        $course->title = $title;
        $course->brief_description = $brief_desc;
		$course->subjects = $subjects;
		$course->targetgroup = $targetgroup;
		$course->description = $description;
		$course->additional_info = $additional_info;
		$course->place = $place;
		$course->capacity = $capacity;
        $course->cost = $cost;
        // Make date to timestamp conversions
        if (!empty($beginning_date))
            $beginning_date = dateIntoTimestamp($beginning_date);
        $course->beginning_date = $beginning_date;
        if (!empty($ending_date)) {
            $ending_date = dateIntoTimestamp($ending_date);
            // if ending date is bigger than current time, then it should not be archived anymore
            if ($ending_date > time())
                $course->archived = 0;
            // also if course is approved, we need to make it public again
            if ($course->approved == 1) {
                $course->access_id = 2;    
            }
        }
		$course->ending_date = $ending_date;
		$course->contact_person = $contact_person;
		$course->telephone = $telephone;
        $course->email = $email;
        $course->clearMetadata('gmaplocation');        
        $course->gmaplocation = $gmaplocation;
        // Send data to base
        delete_data("DELETE from {$CONFIG->dbprefix}koolielu_calendar_objects where guid=".$course->getGUID());
		$sql = "INSERT INTO {$CONFIG->dbprefix}koolielu_calendar_objects (guid, type, title, description, approved, time1_begin, time1_end) VALUES (".$course->getGUID().",'course','".mysql_real_escape_string($course->title)."','".mysql_real_escape_string($course->brief_description)."',".(int)$course->approved.",'".$course->beginning_date."','".$course->ending_date."')";
        insert_data($sql);
        foreach ($subjects as $s) {
            $sql = "INSERT INTO {$CONFIG->dbprefix}koolielu_calendar_subject_refs (cal_object_id, subject_id) VALUES (".$course->getGUID().", ".$s.")";
            insert_data($sql);
        }
        // Deal with image
        if ((isset($_FILES['image'])) && (substr_count($_FILES['image']['type'],'image/'))) {
            $supported_formats = getSupportedImageFormats();
            // See if we even support the format first
            if (in_array(exif_imagetype($_FILES['image']['tmp_name']), $supported_formats)) {
                // Delete old files
                deleteKeObjectImages($course->getGUID(), $course->getOwner());
                // Write original file name into objects metadata
                $course->original_file_name = $_FILES['image']['name'];
                // Save new ones
                saveKeObjectImages('image', $course->getGUID(), $course->getOwner());
            } else {
                /*translation:Image format not supported. Supported formats are: .jpg, .png, .jpeg and .gif.*/
                register_error(elgg_echo('koolielu:error_supported_image_formats'));
            }
        }
        
        if (!isModerator()) {
            if ($course->access_id == 2) {
                /*translation:Course changes saved. Editor needs to review it before publishing it again.*/
                system_message("koolielu:course_changes_saved_needs_moderating");
                // send message to editor(s)
                $editors = getAllEditors();
                if (is_array($editors) && sizeof($editors) > 0) {
                    foreach($editors as $editor) {
                        /*translation:Course edited notification*/
                        $msg_title= elgg_echo('koolielu:course_edited_notification');
                        $msg_desc = "";
                        /*translation:Course <a href=\"%s\">%s</a> has been edited and needs reviewing.*/
                        $msg_desc = sprintf(elgg_echo('koolielu:course_edited_notif_req_app'), $course->getURL(), $course->title);
                        $messages = array('title' => $msg_title, 'description' => $msg_desc);
                        send_system_message($editor->getGUID(), $messages);
    			    }
    		    }
            } else {
                /*translation:Course changes saved.*/
                system_message(elgg_echo("koolielu:course_changes_saved"));
            }
            $course->access_id = 1;
            $course->approved = 0;
        } else {
            /*translation:Course changes saved.*/
            system_message(elgg_echo("koolielu:course_changes_saved"));
        }
        $course->save();
        
        // Remove course from cache
		unset($_SESSION['title']); unset($_SESSION['subjects']); unset($_SESSION['targetgroup']); unset($_SESSION['brief_description']); unset($_SESSION['description']); unset($_SESSION['additional_info']); unset($_SESSION['place']); unset($_SESSION['capacity']); unset($_SESSION['cost']); unset($_SESSION['beginning_date']); unset($_SESSION['ending_date']); unset($_SESSION['contact_person']); unset($_SESSION['telephone']); unset($_SESSION['email']); unset($_SESSION['gmaplocation']);
        
        forward("pg/poster/read/" . $course_guid);				
    }
?>