Listing Handler

- added a Listing Handler class to take care of listing params
- added status column to Subscriber
- added specific methods to both Newsletter & Subscriber models for listing

lib/Config/Migrator.php

@@ -44,9 +44,10 @@ class Migrator {
       'first_name tinytext NOT NULL,',
       'last_name tinytext NOT NULL,',
       'email varchar(150) NOT NULL,',
+      'status tinyint(1) NOT NULL DEFAULT 0,',
       'created_at TIMESTAMP NOT NULL DEFAULT 0,',
       'updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id),',
+      'PRIMARY KEY (id),',
       'UNIQUE KEY email (email)'
     );
     return $this->sqlify(__FUNCTION__, $attributes);
@@ -59,7 +60,7 @@ class Migrator {
       'value varchar(255) NOT NULL,',
       'created_at TIMESTAMP NOT NULL DEFAULT 0,',
       'updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id),',
+      'PRIMARY KEY (id),',
       'UNIQUE KEY name (name)'
     );
     return $this->sqlify(__FUNCTION__, $attributes);
@@ -72,7 +73,7 @@ class Migrator {
       'body longtext,',
       'created_at TIMESTAMP NOT NULL DEFAULT 0,',
       'updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id)'
+      'PRIMARY KEY (id)'
     );
     return $this->sqlify(__FUNCTION__, $attributes);
   }