Added methods for the form service

~dev_rating/application/classes/Controller/Handler/Form.php

+<?php defined('SYSPATH') or die('No direct script access.');
+
+/*
+ * Т.к. нынешнее состояние Handler'ов не позволяет работать с кроссдоменными запросами,
+ * (например, проблема #1 - повсеместное использование метода POST)
+ * пришлось написать данный класс, в котором перечислены все необходимые методы для работы
+ * с сервисом анкетирования. В связи с чем...
+ */
+// TODO: Выбросить содержимое папки Handler и разработать API
+
+class Controller_Handler_Form extends Controller_Handler
+{
+    public function before() {
+        parent::before();
+    }
+
+    public function action_authorize() {
+        $user = User::instance();
+        $isEmail = Validation::factory($_GET)
+            ->rule('login', 'not_empty')
+            ->rule('login', 'email')
+            ->check();
+
+        $isCorrectLogin = Validation::factory($_GET)
+            ->rule('login', 'not_empty')
+            ->rule('login', 'alpha_dash')
+            ->check();
+
+        $res['success'] = ($isEmail or $isCorrectLogin)
+            ? $user->signIn($_GET['login'], $_GET['password'])
+            : false;
+
+        if($res['success'])
+        {
+            $res['ID'] = $user->ID;
+            $res['Type'] = $user->Type;
+            $res['Name'] = $user->FirstName.' '.$user->SecondName.' '.$user->LastName;
+            $res['Group'] = ($user->Type == 'student') ?
+                $user->GroupID : -1;
+        }
+
+        $this->response->body(json_encode($res));
+    }
+
+    public function action_getSubjects()
+    {
+        $facultyID = $this->get['faculty_id'];
+        $res = Model_Faculty::with($facultyID)->getSubjects();
+        $this->response->body(json_encode($res));
+    }
+
+    public function action_getTeachers()
+    {
+        $facultyID = $this->get['faculty_id'];
+        $res = Model_Teachers::ofFaculty($facultyID);
+        $this->response->body(json_encode($res));
+    }
+
+    public function action_getGroups()
+    {
+        $facultyID = $this->get['faculty_id'];
+        $gradeID = $this->get['grade_id'];
+        $res = Model_Faculty::with($facultyID)->getGroups($gradeID);
+        $this->response->body(json_encode($res));
+    }
+
+    public function action_getGrades()
+    {
+        $res = Model_Grades::loadAll();
+        $this->response->body(json_encode($res));
+    }
+
+    public function action_getSubjectByID()
+    {
+        $facultyID = $this->get['faculty_id'];
+        $subjectID = $this->get['subject_id'];
+        $res = Model_Faculty::with($facultyID)->getSubjects();
+        $this->response->body(json_encode(array($res[$subjectID])));
+    }
+
+    public function action_getTeacherByID()
+    {
+        $teacherID = $this->get['teacher_id'];
+        $teacher = Model_Teacher::with($teacherID);
+        $data = [
+            'Name' => $teacher->LastName . ' ' . $teacher->FirstName . ' ' . $teacher->SecondName,
+            'JobPosition' => $teacher->JobPositionName,
+        ];
+        $this->response->body(json_encode($data));
+    }
+
+    public function after()
+    {
+        parent::after();
+        $data = $this->response->body();
+        $callback = $this->get['callback'];
+        $this->response->body($callback.'('.$data.');');
+    }
+}
\ No newline at end of file