1 files changed, 136 insertions, 0 deletions
diff --git a/lib/admissionrules/lockedadmission/LockedAdmission.php b/lib/admissionrules/lockedadmission/LockedAdmission.php
new file mode 100644
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+++ b/lib/admissionrules/lockedadmission/LockedAdmission.php
@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * LockedAdmission.php
+ * 
+ * Represents a rule for completely locking courses for admission.
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Thomas Hackl <thomas.hackl@uni-passau.de>
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ */
+
+class LockedAdmission extends AdmissionRule
+{
+    // --- ATTRIBUTES ---
+
+    // --- OPERATIONS ---
+
+    /**
+     * Standard constructor.
+     *
+     * @param  String ruleId
+     */
+    public function __construct($ruleId='', $courseSetId = '')
+    {
+        parent::__construct($ruleId, $courseSetId);
+        $this->default_message = _('Die Anmeldung ist gesperrt.');
+        
+        if ($ruleId) {
+            $this->load();
+        } else {
+            $this->id = $this->generateId('lockedadmissions');
+        }
+    }
+
+    /**
+     * Deletes the admission rule and all associated data.
+     */
+    public function delete() {
+        parent::delete();
+        // Delete rule data.
+        $stmt = DBManager::get()->prepare("DELETE FROM `lockedadmissions` 
+            WHERE `rule_id`=?");
+        $stmt->execute([$this->id]);
+    }
+
+    /**
+     * Gets some text that describes what this AdmissionRule (or respective 
+     * subclass) does.
+     */
+    public static function getDescription() {
+        return _("Diese Art von Anmelderegel sperrt die Anmeldung ".
+            "zu allen zugehörigen Veranstaltungen, sodass sich niemand ".
+            "eintragen kann.");
+    }
+
+    /**
+     * Return this rule's name.
+     */
+    public static function getName() {
+        return _("Anmeldung gesperrt");
+    }
+
+    /**
+     * Gets the template that provides a configuration GUI for this rule.
+     * 
+     * @return String
+     */
+    public function getTemplate() {
+        $factory = new Flexi\Factory(dirname(__FILE__).'/templates/');
+        // Now open specific template for this rule and insert base template. 
+        $tpl = $factory->open('configure');
+        $tpl->set_attribute('rule', $this);
+        return $tpl->render();
+    }
+
+    /**
+     * Internal helper function for loading rule definition from database.
+     */
+    public function load() {
+        $stmt = DBManager::get()->prepare("SELECT * FROM `lockedadmissions`
+            WHERE `rule_id`=? LIMIT 1");
+        $stmt->execute([$this->id]);
+        if ($current = $stmt->fetch(PDO::FETCH_ASSOC)) {
+            $this->message = $current['message'];
+        }
+    }
+
+    /**
+     * Does the current rule allow the given user to register as participant 
+     * in the given course? Never happens here as admission is completely
+     * locked.
+     *
+     * @param  String userId
+     * @param  String courseId
+     * @return Array Any errors that occurred on admission.
+     */
+    public function ruleApplies($userId, $courseId)
+    {
+        // YOU CANNOT PASS!
+        return [$this->getMessage()];
+    }
+
+    /**
+     * Helper function for storing data to DB.
+     */
+    public function store() {
+        // Store data.
+        $stmt = DBManager::get()->prepare("INSERT INTO `lockedadmissions`
+            (`rule_id`, `message`, `mkdate`, `chdate`)
+            VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE
+            `message`=VALUES(`message`), `chdate`=VALUES(`chdate`)");
+        $stmt->execute([$this->id, $this->message, time(), time()]);
+        return $this;
+    }
+
+    /**
+     * A textual description of the current rule.
+     *
+     * @return String
+     */
+    public function toString() {
+        $factory = new Flexi\Factory(dirname(__FILE__).'/templates/');
+        $tpl = $factory->open('info');
+        $tpl->set_attribute('rule', $this);
+        return $tpl->render();
+    }
+
+} /* end of class LockedAdmission */
+
+?>