[Django] Westagram - Mission 4. 게시물 등록

게시물 등록

게시물 등록 클래스를 생성해주세요.
게시물을 등록할 때에는 post 메소드를 사용합니다.
게시물 생성 시간은 등록하는 현재 시간이어야 합니다.

posting app 만들기

python manage.py startapp posting

settings.py (INSTALLED_APPS)

INSTALLED_APPS에 새로 만든 앱 'posting' 추가

posting/models.py

from django.db import models

from user.models import User

class Post(models.Model):
    user       = models.ForeignKey(User, on_delete=models.CASCADE)
    created_at = models.DateTimeField(auto_now_add=True)
    image_url  = models.URLField(max_length=2000)
    content    = models.TextField(null=True)

    class Meta:
        db_table = 'posts'

posting/views.py

PostView 클래스 작성

import json

from django.http     import JsonResponse
from django.views    import View

from user.models import User
from .models import Post

class PostView(View):
    def post(self, request):
        try:
            data      = json.loads(request.body)
            email     = data['email']
            image_url = data['image_url']
            content   = data['content']
            
            if not User.objects.filter(email=email).exists():
                return JsonResponse({'message': 'INVALID_USER'}, status=401)
            user = User.objects.get(email=email)

            Post.objects.create(user=user, image_url=image_url, content=content)

            return JsonResponse({'message': 'SUCCESS'}, status=200)
            
        except KeyError:
            return JsonResponse({'message': 'KEY_ERROR'}, status=400)

게시물 표출

등록된 모든 게시물을 나열하는 게시물 표출 클래스를 생성해주세요.
게시물을 나타낼 때에는 get 메소드를 사용합니다.
게시물을 나타낼 때에는 등록한 사람, 게시물, 게시된 내용, 게시된 시각이 포함되어야 합니다.

posting/views.py

import json

from django.http     import JsonResponse
from django.views    import View

from user.models import User
from .models import Post

class PostView(View):
    def post(self, request):
        try:
            data      = json.loads(request.body)
            email     = data['email']
            image_url = data['image_url']
            content   = data['content']
            
            if not User.objects.filter(email=email).exists():
                return JsonResponse({'message': 'INVALID_USER'}, status=401)
            user = User.objects.get(email=email)

            Post.objects.create(user=user, image_url=image_url, content=content)

            return JsonResponse({'message': 'SUCCESS'}, status=200)
            
        except KeyError:
            return JsonResponse({'message': 'KEY_ERROR'}, status=400)
            
----------------------- 👇 여기부터 게시물 표출 -----------------------    

    def get(self, request):
            posts = Post.objects.all()
            post_list = []            
            for post in posts:
                post_list.append(
                    {
                    'user_name' : post.user.name,
                    'image_url' : post.image_url,
                    'content'   : post.content,
                    'created_at': post.created_at
                    }
                                ) 
            return JsonResponse({'posts': post_list}, status=200)

westagram/urls.py

from django.urls import path, include

urlpatterns = [
    path('user', include('user.urls')),
    path('posting', include('posting.urls'))
]

posting/urls.py

posting 앱에 urls.py 파일 생성하기

from django.urls import path

from posting.views import PostView

urlpatterns = [
    path('', PostView.as_view()),
]