wronglink/backend

Day 1

1. Create django's empty project

1.1. Install dependencies

pip install "django>=3.1"
pip install "djangorestframework>=3.12"

1.2. Init project

django-admin startproject twitter .

1.3. Run server

python manage.py runserver

1.4. Check http://127.0.0.1:8000/

2. Django's admin interface

2.1. Init app with users

django-admin startapp users

2.2. Migrate DB

python manage.py migrate

2.3. Create admin with password qwerty for testing

python manage.py createsuperuser --email [email protected] --username admin

2.4. Run server python manage.py runserver and go to http://127.0.0.1:8000/admin

2.5 Make API work in swagger-ui (aka CORS):

2.5.1 Install django app

pip install django-cors-headers

2.5.2. Add to settings:

INSTALLED_APPS = [
  'django.contrib.messages',
  'django.contrib.staticfiles',
  'rest_framework',
+ 'corsheaders',
  'django_filters',
  'tweets.apps.TweetsConfig',
  ...

MIDDLEWARE = [
  'django.middleware.security.SecurityMiddleware',
  'django.contrib.sessions.middleware.SessionMiddleware',
+ 'corsheaders.middleware.CorsMiddleware',
  'django.middleware.common.CommonMiddleware',
  'django.middleware.csrf.CsrfViewMiddleware',
  ...

+CORS_ALLOW_ALL_ORIGINS = True

3. Simple users-API

3.1. Create file users/serializers.py

3.2. Edit file users/views.py

3.3. Edit file twitter/urls.py

3.4. Edit file twitter/settings.py

3.5. Run server python manage.py runserver

3.6. Check API works correctly

  3.6.1. By `curl`:
  ```bash
  curl -H 'Accept: application/json; indent=4' -u admin:qwerty http://127.0.0.1:8000/users/
  ```
  3.6.2. In browser http://127.0.0.1:8000

4. Simple tweets-API

4.1. Init app with tweets

django-admin startapp tweets

4.2. Edit file tweets/models.py

4.3. Create file tweets/serializers.py

4.4. Edit file tweets/views.py

4.5. Edit file twitter/urls.py

4.6. Edit file twitter/settings.py

4.7. Make migration and migrate

python manage.py makemigrations tweets
python manage.py migrate

4.8. Run server python manage.py runserver

5. Filters

5.1. Install dependency pip install "django-filter>=2.4.0"

5.2. Edit tweets/views.py add filterset_class = TweetFilter

Day 2

1. CRUD tweets & permissions

1.1. Create tweets/permissions.py with IsAuthorOrReadOnly

1.2. Edit tweets/views.py. Change TweetsViewSet: base - ModelViewSet, add permission_classes, add get_queryset

1.3. Add and register UserTweetsViewSet and FeedViewSet

2. followers

2.1. Declare model Followings

2.2. Generate migration and migrate

python manage.py makemigrations users
python manage.py migrate

2.3. Declared followings serializers FollowsSerializer and FollowedSerializer

2.4. Add view-sets UserFollowedViewSet and UserFollowsViewSet and register thems in urls.py

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