Store user comment for enrolment application in database to display it in the apply table.

Create enrol_apply_applicationinfo table

apply.php

@@ -48,6 +48,13 @@ if ($userenrolments != null) {
 }
 
 $enrols = getAllEnrolment ($enrolid);
+$applicationinfo = $DB->get_records_sql('
+	SELECT userenrolmentid, comment
+	FROM {enrol_apply_applicationinfo}
+	WHERE userenrolmentid IN (
+		SELECT id
+		FROM {user_enrolments}
+		WHERE enrolid = ?)', array($enrolid));
 
 echo $OUTPUT->header ();
 echo $OUTPUT->heading ( get_string ( 'confirmusers', 'enrol_apply' ) );
@@ -61,6 +68,7 @@ echo '<th class="header" scope="col">&nbsp;</th>';
 echo '<th class="header" scope="col">' . get_string ( 'applyuser', 'enrol_apply' ) . '</th>';
 echo '<th class="header" scope="col">' . get_string ( 'applyusermail', 'enrol_apply' ) . '</th>';
 echo '<th class="header" scope="col">' . get_string ( 'applydate', 'enrol_apply' ) . '</th>';
+echo '<th class="header" scope="col">' . get_string ( 'comment', 'enrol_apply' ) . '</th>';
 echo '</tr>';
 foreach ( $enrols as $enrol ) {
 	$picture = get_user_picture($enrol->userid);
@@ -74,7 +82,9 @@ foreach ( $enrols as $enrol ) {
 	echo '<td>' . $OUTPUT->render($picture) . '</td>';
 	echo '<td>'.$enrol->firstname . ' ' . $enrol->lastname.'</td>';
 	echo '<td>' . $enrol->email . '</td>';
-	echo '<td>' . date ( "Y-m-d", $enrol->timecreated ) . '</td></tr>';
+	echo '<td>' . date ( "Y-m-d", $enrol->timecreated ) . '</td>';
+	echo '<td>' . htmlspecialchars($applicationinfo[$enrol->id]->comment) . '</td>';
+	echo '</tr>';
 }
 echo '</table>';
 echo '<p align="center">';

db/install.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<XMLDB PATH="enrol/apply/db" VERSION="20160409" COMMENT="XMLDB file for Moodle enrol/apply"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
+>
+  <TABLES>
+    <TABLE NAME="enrol_apply_applicationinfo" COMMENT="Table containing additional information for each enrolment application.">
+      <FIELDS>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
+        <FIELD NAME="userenrolmentid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="user enrolment id this entry belongs to"/>
+        <FIELD NAME="comment" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="comment given by the user during application"/>
+      </FIELDS>
+      <KEYS>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="userenrolment" TYPE="foreign-unique" FIELDS="userenrolmentid" REFTABLE="user_enrolments" REFFIELDS="id"/>
+      </KEYS>
+    </TABLE>
+  </TABLES>
+</XMLDB>

db/upgrade.php

@@ -0,0 +1,54 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    enrol_apply
+ * @copyright  emeneo.com
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Johannes Burk <johannes.burk@sudile.com>
+ */
+
+defined('MOODLE_INTERNAL') || die;
+
+function xmldb_enrol_apply_upgrade($oldversion) {
+    global $CFG, $DB;
+
+    $dbman = $DB->get_manager();
+
+    if ($oldversion < 2016012801) {
+
+        // Define table enrol_apply_applicationinfo to be created.
+        $table = new xmldb_table('enrol_apply_applicationinfo');
+
+        // Adding fields to table enrol_apply_applicationinfo.
+        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
+        $table->add_field('userenrolmentid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
+        $table->add_field('comment', XMLDB_TYPE_TEXT, null, null, null, null, null);
+
+        // Adding keys to table enrol_apply_applicationinfo.
+        $table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
+        $table->add_key('userenrolment', XMLDB_KEY_FOREIGN_UNIQUE, array('userenrolmentid'), 'user_enrolments', array('id'));
+
+        // Conditionally launch create table for enrol_apply_applicationinfo.
+        if (!$dbman->table_exists($table)) {
+            $dbman->create_table($table);
+        }
+
+        // Apply savepoint reached.
+        upgrade_plugin_savepoint(true, 2016012801, 'enrol', 'apply');
+    }
+
+}

lib.php

@@ -122,6 +122,11 @@ class enrol_apply_plugin extends enrol_plugin {
 				}
 
 				$this->enrol_user($instance, $USER->id, $roleid, $timestart, $timeend,1);
+				$userenrolment = $DB->get_record('user_enrolments', array('userid' => $USER->id, 'enrolid' => $instance->id), 'id', MUST_EXIST);
+				$applicationinfo = new stdClass();
+				$applicationinfo->userenrolmentid = $userenrolment->id;
+				$applicationinfo->comment = $applydescription;
+				$DB->insert_record('enrol_apply_applicationinfo', $applicationinfo, false);
 				sendConfirmMailToTeachers($instance, $data, $applydescription);
 				sendConfirmMailToManagers($instance, $data, $applydescription);
 				
@@ -285,6 +290,7 @@ function confirmEnrolment($enrols){
 			@$roleAssignments->modifierid = 2;
 			$DB->insert_record('role_assignments',$roleAssignments);
 			$info = getRelatedInfo($enrol);
+			$DB->delete_records('enrol_apply_applicationinfo', array('userenrolmentid' => $enrol));
 			sendConfirmMail($info);
 		}
 	}
@@ -309,6 +315,7 @@ function cancelEnrolment($enrols){
 	foreach ($enrols as $enrol){
 		$info = getRelatedInfo($enrol);
 		if($DB->delete_records('user_enrolments',array('id'=>$enrol))){
+			$DB->delete_records('enrol_apply_applicationinfo', array('userenrolmentid' => $enrol));
 			sendCancelMail($info);
 		}
 	}

version.php

@@ -18,7 +18,7 @@
  */
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version  = 2016012800;
+$plugin->version  = 2016012801;
 $plugin->requires = 2011080100;
 $plugin->maturity = MATURITY_STABLE;
 $plugin->release = 'Enrolment upon approval plugin Version 3.0-a';