rmrevin/yii2-comments Comments module for Yii2

widgetcommentmodule

Yii 2 Comments Module

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Installation

composer require "rmrevin/yii2-comments:~1.4"

Configuration

In config /protected/config/main.php

<?php
return [
    // ...
    'modules' => [
        // ...
        'comments' => [
            'class' => 'rmrevin\yii\module\Comments\Module',
            'userIdentityClass' => 'app\models\User',
            'useRbac' => true,
        ]
    ],
    // ...
];

In your User model (or another model implements the interface IdentityInterface) need to implement the interface "\rmrevin\yii\module\Comments\interfaces\CommentatorInterface"

class User extends \yii\db\ActiveRecord
    implements
        \yii\web\IdentityInterface,
        \rmrevin\yii\module\Comments\interfaces\CommentatorInterface
{
    // ...

    public function getCommentatorAvatar()
    {
        return $this->avatar_url;
    }

    public function getCommentatorName()
    {
        return $this->name;
    }

    public function getCommentatorUrl()
    {
        return ['/profile', 'id' => $this->id]; // or false, if user does not have a public page
    }

    // ...
}

In auth manager add rules (if Module::$useRbac = true):

<?php
use \rmrevin\yii\module\Comments\Permission;
use \rmrevin\yii\module\Comments\rbac\ItsMyComment;

$AuthManager = \Yii::$app->getAuthManager();
$ItsMyCommentRule = new ItsMyComment();

$AuthManager->add($ItsMyCommentRule);

$AuthManager->add(new \yii\rbac\Permission([
    'name' => Permission::CREATE,
    'description' => 'Can create own comments',
]));
$AuthManager->add(new \yii\rbac\Permission([
    'name' => Permission::UPDATE,
    'description' => 'Can update all comments',
]));
$AuthManager->add(new \yii\rbac\Permission([
    'name' => Permission::UPDATE_OWN,
    'ruleName' => $ItsMyCommentRule->name,
    'description' => 'Can update own comments',
]));
$AuthManager->add(new \yii\rbac\Permission([
    'name' => Permission::DELETE,
    'description' => 'Can delete all comments',
]));
$AuthManager->add(new \yii\rbac\Permission([
    'name' => Permission::DELETE_OWN,
    'ruleName' => $ItsMyCommentRule->name,
    'description' => 'Can delete own comments',
]));

Updating database schema

After you downloaded and configured rmrevin/yii2-comments, the last thing you need to do is updating your database schema by applying the migrations:

In command line:

php yii migrate/up --migrationPath=@vendor/rmrevin/yii2-comments/migrations/

Usage

In view

<?php
// ...

use rmrevin\yii\module\Comments;

echo Comments\widgets\CommentListWidget::widget([
    'entity' => (string) 'photo-15', // type and id
]);

Parameters

 Module parameters

  • userIdentityClass (required, string) The user identity class that Yii2 uses to provide identity information about the users in the App.

  • useRbac (optional, boolean) Default TRUE. Defines if the comment system will use Rbac validation to check the comment permissions when trying to update, delete or add new comments.

  • modelClasses (optional, string[]) Stores the user defined model classes that will be used instead of the default ones in the comment system. Must have a key => classname format. e.g. 'Comment' => '@app\comments\CommentModel'

Widget parameters

  • entity (required, string) The entity that will identify the comments under on section from all the comments in this module.

  • theme (optional, string) In case you want to use a theme in your application you should define here it's location.

  • viewParams (optional, array) Data that will be sent directly into the widget view files. Must have a key => data format. The key will be the variable name in the view. The variable CommentsDataProvider it's already taken.

  • options (optional, array) Default ['class' => 'comments-widget']. Option data array that will be sent into the div holding the comment system in your views.

  • pagination (optional, array) Pagination configuration that will be used in the comment panel. Default data:

    public $pagination = 
    [
        'pageParam' => 'page',
        'pageSizeParam' => 'per-page',
        'pageSize' => 20,
        'pageSizeLimit' => [1, 50],
    ];
  • sort (optional, array) Type of sorting used to retrieve the comments into the panel. Can be sorted by any of the columns defined in the comment table. Default data:

        'defaultOrder' => [
            'id' => SORT_ASC,
        ],
  • showDeleted (optional, boolean) Default True. Defines if the comments panel will show a message indicating the deleted comments.

  • showCreateForm (optional, boolean) Default True. Will show or hide the form to add a comment in this panel.

Extending the package

 Extending Model files

Depending on which ones you need, you can set the modelMap config property:


    // ...
    'modules' => [
        // ...
        'comments' => [
            'class' => 'rmrevin\yii\module\Comments\Module',
            'userIdentityClass' => 'app\models\User',
            'useRbac' => true,
            'modelMap' => [
                'Comment' => '@app\comments\CommentModel'
            ]
        ]
    ],
    // ...

Attention: keep in mind that if you are changing the Comment model, the new class should always extend the package's original Comment class.

 Attaching behaviors and event handlers

The package allows you to attach behavior or event handler to any model. To do this you can set model map like so:


    // ...
    'modules' => [
        // ...
        'comments' => [
            'class' => 'rmrevin\yii\module\Comments\Module',
            'userIdentityClass' => 'app\models\User',
            'useRbac' => true,
            'modelMap' => [
                'Comment' => [
                    'class' => '@app\comments\CommentModel',
                    'on event' => function(){
                        // code here
                    },
                    'as behavior' => 
                        ['class' => 'Foo'],
            ]
        ]
    ],
    // ...

Extending View files

You can extend the view files supplied by this package using the theme component in the config file.

// app/config/web.php

'components' => [
    'view' => [
        'theme' => [
            'pathMap' => [
                '@vendor/rmrevin/yii2-comments/widgets/views' => '@app/views/comments', // example: @app/views/comment/comment-form.php
            ],
        ],
    ],
],

 Extending Widgets

To extend the widget code and behavior you only have to extend the widget classes and call them instead of the package's ones.

Changelog

2016-04-28 - 1.4.4

  • Fix #16
  • Fix #13
  • Refactoring

2016-04-28 - 1.4.3

  • Fix trouble with delete button, when user delete comment from page with GET parameters in url (like foo/bar?id=1)
  • Refactoring.

2016-03-01 - 1.4.2

  • Refactoring.

2016-02-28 - 1.4.1

  • Fix author check.
  • Update packages.

2015-10-05 - 1.4.0

  • Improve dependency injection.
  • Add comment from field.
  • Add web test.
  • Refactoring.

2015-06-27 - 1.3.1

  • Add param theme to CommentFormWidget

2015-06-22 - 1.3.0

  • Bugfixes and add theme parameter into CommentListWidget

2015-06-19 - 1.2.1

  • Refactoring.

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1.4.4 is the latest of 23 releases



MIT license
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