insert.php

public function insert(){
		if($this->input->post()){
			try{

				$error = array();
	    			
				if(!$this->input->post('artist_slug')){
					$error[] = "Slug undefined";
				}
				 
				if(!$this->input->post('album_name')){
					$error[] = "Enter the album name";
				}
				 
				if(!$this->input->post('album_year')){
					$error[] = "Enter the album year";
				}
				
				if(count($error) > 0){
					throw new Exception(join("| ", $error));
				}

				$data = array(
					'artist_slug' => $this->input->post('artist_slug'),
					'album_name' => $this->input->post('album_name'),
					'album_year' => $this->input->post('album_year')
				);



				$msg = "Album created";    			
				$return = array(
					"success" => true,
					"msg"	=> $msg,
				);

			}catch(Exception $e){
	    		$return = array(
	    			"success" => false,
	    			"msg" => $e->getMessage()
	    		);
			}

			exit(json_encode($return));
		}
	}