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https://github.com/lowerdeez/ok-likes

This app provides like/unlike functionality through Django REST Framework APIView classes.
https://github.com/lowerdeez/ok-likes

django likes-count likes-model python voting

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This app provides like/unlike functionality through Django REST Framework APIView classes.

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==============================
django-ok-likes |PyPI version|
==============================

|Build Status| |Code Health| |Python Versions| |Requirements Status| |license| |PyPI downloads| |Coverage|

``django-ok-likes`` is a liking app for Django, which allows users "like" and "unlike" any model instance. All functionality provides through `django-rest-framework`_ API views. Template tags and jinja's global functions provide the ability to see who liked an object, which objects were liked by current user and count of likes for a given object.

Installation
============

Install with pip:

.. code:: shell

pip install django-ok-likes

Update INSTALLED_APPS:

.. code:: python

INSTALLED_APPS = [
...
'likes',
'rest_framework',
...
]

Make migrations:

.. code:: shell

python manage.py migrate

Add ``likes.api.urls`` to your project urlpatterns:

.. code:: python

urlpatterns = [
...
path('api/v1/', include('likes.api.urls')),
...
]

Available settings
==================

Add the models that you want to like to LIKES_MODELS in your settings file:

.. code:: python

LIKES_MODELS = {
"app.Model": {
'serializer': 'app.api.serializer.YourModelSerializer'
},
}

You can set any pagination class for ListAPIView:

.. code:: python

LIKES_REST_PAGINATION_CLASS = 'core.api.pagination.MyResponsePagination'

Usage
=====

API
---

Base endpoints
**************

1. ``/api/v1/likes/list/`` - List API View to return all likes for authenticated user.

You can set ``serializer`` for each model in ``LIKES_MODELS`` setting to use it for content object serialization, otherwise, you will get an id of content object.

For example:

.. code:: python

LIKE_MODELS = {
"article.Article": {
"serializer": "article.api.serializers.ArticleSerializer"
},
}

Use ``GET`` parameter ``search`` to filter by a content type's model:
`/api/v1/likes/list/?search=article`

2. ``/api/v1/likes/count/`` - API View to return count of likes for authenticated user.

Possible GET parameters:

.. code:: json

{
"type": "app_label.model",

}

3. ``/api/v1/likes/is/`` - API View to return list of objects ids, which are liked by authenticated user. As result, you will get a list of ``ids``.

Possible GET parameters:

.. code:: json

{
"type": "app_label.model",
}

Possible result:

.. code:: json

{
"ids": [1, 2, 3]
}

4. ``/api/v1/likes/toggle/`` - API View to like-unlike a given object by authenticated user.

Possible payload:

.. code:: json

{
"type": "app_label.model",
"id": 1
}

Possible result:

.. code:: json

{
"is_liked": true
}

Filters
-------

likes_count
***********

Returns a count of likes for a given object:

.. code:: django

{{ object|likes_count }}

Template Tags
-------------

who_liked
*********

Returns a queryset of users, who liked a given object:

.. code:: django

{% who_liked object as fans %}

{% for user in fans %}


{% endfor %}

likes
*****

Returns a queryset of likes for a given user:

.. code:: django

{% likes request.user as user_likes %}
{% for like in user_likes %}

{{ like }}

{% endfor %}

is_liked
********

Returns a bool value, which says is a given object liked by a given user:

.. code:: django

{% is_liked object request.user as liked %}

Jinja global functions
----------------------

get_likes_count
***************

The same as the ``likes_count`` filter.

Usage:

.. code:: django

{{ get_likes_count(object) }}

get_who_liked
*************

The same as the ``who_liked`` tag.

Usage:

.. code:: django

{{ get_who_liked(object) }}

get_likes
*********

The same as the ``likes`` tag.

Usage:

.. code:: django

{{ get_likes(request.user) }}

get_is_liked
************

The same as the ``is_liked`` tag.

Usage:

.. code:: django

{{ get_is_liked(object, request.user) }}

Signals
-------

likes.signals.object_liked
**************************

A signal, which sents immediately after the object was liked and provides the single kwarg of created `Like` instance.

likes.signals.object_unliked
****************************

A signal, which sents immediately after the object was unliked and provides the single kwarg of an object.

.. |PyPI version| image:: https://badge.fury.io/py/django-ok-likes.svg
:target: https://badge.fury.io/py/django-ok-likes
.. |Build Status| image:: https://travis-ci.org/LowerDeez/ok-likes.svg?branch=master
:target: https://travis-ci.org/LowerDeez/ok-likes
:alt: Build status
.. |Code Health| image:: https://api.codacy.com/project/badge/Grade/aa7e0f444c8d4520b0f0db5abc3a5960
:target: https://www.codacy.com/app/LowerDeez/ok-likes
:alt: Code health
.. |Python Versions| image:: https://img.shields.io/pypi/pyversions/django-ok-likes.svg
:target: https://pypi.org/project/django-ok-likes/
:alt: Python versions
.. |license| image:: https://img.shields.io/pypi/l/django-ok-likes.svg
:alt: Software license
:target: https://github.com/LowerDeez/ok-likes/blob/master/LICENSE
.. |PyPI downloads| image:: https://img.shields.io/pypi/dm/django-ok-likes.svg
:alt: PyPI downloads
.. |Requirements Status| image:: https://requires.io/github/LowerDeez/ok-likes/requirements.svg?branch=master
.. |Coverage| image:: https://coveralls.io/repos/github/LowerDeez/ok-likes/badge.svg?branch=master
:target: https://coveralls.io/github/LowerDeez/ok-likes?branch=master
:alt: Code coverage

.. _django-rest-framework: https://www.django-rest-framework.org/