first commit

application/models/comment_model.php

@@ -0,0 +1,28 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+class comment_model extends CI_Model
+{
+
+    public $table = 'comment';
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->load->database();
+    }
+
+    public function find($alias = true) {
+        return $this->db->from($this->table. ($alias ? ' cmt' : ''));
+    }
+
+    public function findById($commentId) {
+        return $this->db->where('idx', $commentId)->get($this->table)->row();
+    }
+
+    public function findByContentTypeAndContentId($type, $id) {
+        return $this->db->from($this->table. ' c')
+        ->where('content_type', $type)
+        ->where('content_idx', $id);        
+    }
+
+}