Initialize messages database table

app/database/init.php

@@ -22,6 +22,20 @@
 )';
 $dbh->exec($stmt);
 
+/* Create messages table if it doesn't exitst */
+$stmt = 'CREATE TABLE IF NOT EXISTS messages (
+            id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
+            message TEXT NOT NULL,
+            sender_id INT UNSIGNED NOT NULL,
+            receiver_id INT UNSIGNED NOT NULL,
+            enc_keys VARCHAR(64) NOT NULL,
+            keys_iv VARCHAR(24) NOT NULL,
+            message_iv VARCHAR(24) NOT NULL,
+            FOREIGN KEY (sender_id) REFERENCES users(id),
+            FOREIGN KEY (receiver_id) REFERENCES users(id)
+)';
+$dbh->exec($stmt);
+
 /* Create user and admin if they don't exist */
 $user = new User;
 $user->username = 'user';