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Yii2 Comments Extension


This module provides a comments managing system.

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Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist yii2mod/yii2-comments "*"

or add

"yii2mod/yii2-comments": "*"

to the require section of your composer.json.

Configuration

Database Migrations

Before using Comments Widget, we'll also need to prepare the database.

php yii migrate --migrationPath[email protected]vendor/yii2mod/yii2-comments/migrations

Module setup

To access the module, you need to add the following code to your application configuration:

'modules' => [
    'comment' => [
        'class' => 'yii2mod\comments\Module',
    ],
]

NOTE: Module id must be comment and not otherwise. This is because it is referred somewhere in the code with such name. A PR to fix it to use configured module id is welcome.

Now you can access to management section through the following URL: http://localhost/path/to/index.php?r=comments/index

By default only users with admin role have access to comments management section. But, you can override accessControlConfig property for ManageController.

Notes:

  1. Delete button visible only for users with admin role.
  1. When you delete a comment, all nested comments will be marked as deleted.
  1. You can override default CommentModel class by changing the property commentModelClass in the Comment Module.
  1. You can implement your own methods getAvatar and getUsername in the userIdentityClass. Just create this methods in your User model. For example:
public function getAvatar()
{
    // your custom code
}

public function getUsername()
{
    // your custom code
}

Usage

Basic example:

// the model to which are added comments, for example:
$model = Post::find()->where(['title' => 'some post title'])->one();

<?php echo \yii2mod\comments\widgets\Comment::widget([
    'model' => $model,
]); ?>

You can use your own template for render comments:

<?php echo \yii2mod\comments\widgets\Comment::widget([
  'model' => $model,
  'commentView' => '@app/views/site/comments/index' // path to your template
]); ?>

Use the following code for multiple widgets on the same page:

<?php echo \yii2mod\comments\widgets\Comment::widget([
      'model' => $model,
]); ?>

<?php echo \yii2mod\comments\widgets\Comment::widget([
      'model' => $model2,
      'formId' => 'comment-form2',
      'pjaxContainerId' => 'unique-pjax-container-id'
]); ?>

To enable the pagination for comments list use the following code:

<?php echo \yii2mod\comments\widgets\Comment::widget([
      'model' => $model,
      'dataProviderConfig' => [
          'pagination' => [
              'pageSize' => 10
          ],
      ]
]); ?>

Advanced example:

<?php echo \yii2mod\comments\widgets\Comment::widget([
      'model' => $model,
      'relatedTo' => 'User ' . \Yii::$app->user->identity->username . ' commented on the page ' . \yii\helpers\Url::current(),
      'maxLevel' => 2,
      'dataProviderConfig' => [
          'pagination' => [
              'pageSize' => 10
          ],
      ],
      'listViewConfig' => [
          'emptyText' => Yii::t('app', 'No comments found.'),
      ],
]); ?>

Using Events

You may use the following events:

'modules' => [
    'comment' => [
        'class' => 'yii2mod\comments\Module',
        'controllerMap' => [
            'default' => [
                'class' => 'yii2mod\comments\controllers\DefaultController',
                'on beforeCreate' => function ($event) {
                    $event->getCommentModel();
                    // your custom code
                },
                'on afterCreate' => function ($event) {
                    $event->getCommentModel();
                    // your custom code
                },
                'on beforeDelete' => function ($event) {
                    $event->getCommentModel();
                    // your custom code
                },
                'on afterDelete' => function ($event) {
                    $event->getCommentModel();
                    // your custom code
                },
            ]
        ]
    ]
]

Using Comment Plugin Events

$(document).on('beforeCreate', '#comment-form', function (e) {
    if (!confirm("Everything is correct. Submit?")) {
        return false;
    }
    return true;
});

Available events are:

  • beforeCreate
  • afterCreate
  • beforeDelete
  • afterDelete
  • beforeReply
  • afterReply

Internationalization

All text and messages introduced in this extension are translatable under category 'yii2mod.comments'. You may use translations provided within this extension, using following application configuration:

return [
    'components' => [
        'i18n' => [
            'translations' => [
                'yii2mod.comments' => [
                    'class' => 'yii\i18n\PhpMessageSource',
                    'basePath' => '@yii2mod/comments/messages',
                ],
                // ...
            ],
        ],
        // ...
    ],
    // ...
];

Example comments


Alt text


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