Stunden ende, einiges fertig, fehlt nicht mehr viel

Took 2 hours 31 minutes

model/DefaultModel.class.inc.php

@@ -3,8 +3,44 @@
 
 class DefaultModel
 {
-    public function getTestMessage()
+    public function redirectToStart($string)
     {
-        return "Rabbits can't fly without Red Bull.";
+        header( "Location: ?c=default&a=index&rsn=$string" );
+        exit();
     }
+
+    public function checkCode($room_code)
+    {
+        $stmnt = Database::getConnection()->prepare( 'SELECT id FROM rooms WHERE code = :code' );
+        $stmnt->execute( array( 'code' => $room_code ) );
+
+        $result = $stmnt->fetch( PDO::FETCH_ASSOC );
+        if( $result === false || empty( $result ) )
+        {
+            return false;
+        }
+        return $result['id'];
+    }
+
+    public function joinRoom($room_id)
+    {
+        $_SESSION['room'] = $room_id;
+        header( 'Location: ?c=faq' );
+        return true;
+    }
+
+    public function createRoom(string $room_name)
+    {
+        $room_owner = session_id();
+        $stmnt = Database::getConnection()->prepare( 'INSERT INTO rooms ( name, owner, code ) VALUES ( :name, :owner, :code )' );
+        $stmnt->execute( array( 'name' => $room_name, 'owner' => $room_owner, 'code' => $this->generateRandomStr() ) );
+
+    }
+
+    public function generateRandomStr( $length = 4 )
+    {
+        return 'U2HA';
+    }
+
+
 }

model/FaqModel.class.inc.php

@@ -0,0 +1,90 @@
+<?php
+
+
+class FaqModel
+{
+
+    public function redirectToStart($string)
+    {
+        header( "Location: ?c=default&a=index&rsn=$string" );
+        exit();
+    }
+
+    public function getRoom( )
+    {
+        if( !isset( $_SESSION['room'] ) )
+        {
+            $this->redirectToStart( 'no-code' );
+        }
+        if( ( $id = $this->checkID( $_SESSION['room'] ) ) === false )
+        {
+            $this->redirectToStart( 'invalid' );
+        }
+
+        $stmnt = Database::getConnection()->prepare( 'SELECT * FROM rooms WHERE id = :id' );
+        $stmnt->execute( array( 'id' => $id ) );
+
+        return $stmnt->fetch( PDO::FETCH_ASSOC );
+
+
+    }
+
+    public function getQuestions( $room_id )
+    {
+        $stmnt = Database::getConnection()->prepare( 'SELECT * FROM questions WHERE room_id = :id' );
+        $stmnt->execute( array( 'id' => $room_id ) );
+
+        $result = $stmnt->fetchAll( PDO::FETCH_ASSOC );
+        if( $result === false || empty( $result ) )
+        {
+            return false;
+        }
+
+        return $result;
+    }
+
+    private function checkID($room_id)
+    {
+        $stmnt = Database::getConnection()->prepare( 'SELECT id FROM rooms WHERE id = :id' );
+        $stmnt->execute( array( 'id' => $room_id ) );
+
+        $result = $stmnt->fetch( PDO::FETCH_ASSOC );
+        if( $result === false || empty( $result ) )
+        {
+            return false;
+        }
+        return $result['id'];
+    }
+
+    public function addQuestion(int $room_id, bool $question)
+    {
+        $stmnt = Database::getConnection()->prepare( 'INSERT INTO questions ( room_id, question, created_by ) VALUES ( :room_id, :question, :created_by )' );
+        $stmnt->execute( array( 'room_id' => $room_id, $question, 'Anonymous' ) );
+
+    }
+
+    public function addAnswer(int $question_id, bool $answer)
+    {
+        $stmnt = Database::getConnection()->prepare( 'UPDATE questions SET answer = :answer WHERE id = :id' );
+        $stmnt->execute( array( 'answer' => $answer, 'id' => $question_id ) );
+
+    }
+
+    public function checkUserIsRoomOwner( array $a_room )
+    {
+        $stmnt = Database::getConnection()->prepare( 'SELECT owner_sid FROM rooms WHERE id = :id' );
+        $stmnt->execute( array( 'id' => $a_room['id'] ) );
+        $result = $stmnt->fetchAll( PDO::FETCH_ASSOC );
+
+        if( $result === false || empty( $result ) )
+        {
+            return false;
+        }
+        if( $result['owner_sid'] === session_id() )
+        {
+            return true;
+        }
+
+        return false;
+    }
+}