Added basic comments on tasks

models/base.php

@@ -18,7 +18,7 @@ require __DIR__.'/schema.php';
 abstract class Base
 {
     const APP_VERSION = 'master';
-    const DB_VERSION  = 7;
+    const DB_VERSION  = 8;
 
     private static $dbInstance = null;
     protected $db;

models/schema.php

@@ -2,6 +2,21 @@
 
 namespace Schema;
 
+function version_8($pdo)
+{
+    $pdo->exec(
+        'CREATE TABLE comments (
+            id INTEGER PRIMARY KEY,
+            task_id INTEGER,
+            user_id INTEGER,
+            date INTEGER,
+            comment TEXT,
+            FOREIGN KEY(task_id) REFERENCES tasks(id) ON DELETE CASCADE,
+            FOREIGN KEY(user_id) REFERENCES tasks(id) ON DELETE CASCADE
+        )'
+    );
+}
+
 function version_7($pdo)
 {
     $pdo->exec("

models/task.php

@@ -8,6 +8,7 @@ use \SimpleValidator\Validators;
 class Task extends Base
 {
     const TABLE = 'tasks';
+    const COMMENTS = 'comments';
 
     public function getColors()
     {
@@ -57,6 +58,21 @@ class Task extends Base
         }
     }
 
+    public function getCommentsByTask($task_id)
+    {
+        return $this->db
+            ->table(self::COMMENTS)
+            ->columns(
+                self::COMMENTS.'.date',
+                self::COMMENTS.'.comment',
+                \Model\User::TABLE.'.username'
+            )
+            ->join(\Model\User::TABLE, 'id', 'user_id')
+            ->orderBy(self::COMMENTS.'.date', 'ASC')
+            ->eq(self::COMMENTS.'.task_id', $task_id)
+            ->findAll();
+    }
+
     public function getAllByProjectId($project_id, array $status = array(1, 0))
     {
         return $this->db->table(self::TABLE)
@@ -172,6 +188,25 @@ class Task extends Base
                     ->update(array('column_id' => $column_id, 'position' => $position));
     }
 
+    public function addComment($values)
+    {
+        $values['date'] = time();
+
+        return (bool) $this->db->table(self::COMMENTS)->save($values);
+    }
+
+    public function validateComment(array $values)
+    {
+        $v = new Validator($values, array(
+            new Validators\Required('comment', t('Comment is required'))
+        ));
+
+        return array(
+            $v->execute(),
+            $v->getErrors()
+        );
+    }
+
     public function validateCreation(array $values)
     {
         $v = new Validator($values, array(