[Django]Blog Post List View

CodingEntrepreneurs Django 강의 정리

object 처리 순서>

queryset -> list of python object

 

title__icontains>

필터링 적용

views>

from django.http import Http404
from django.shortcuts import render, get_object_or_404

from .models import BlogPost

# Create your views here.

# GET > 1 object            : 1개 오브젝트 수용
# filter > [] object        : 리스트 형태 오브젝트 수용


def blog_post_detail_page(request, slug):
    print("DJANGO SAYS", request.method, request.path, request.user)
    # obj = BlogPost.objects.get(slug=slug)
    # queryset = BlogPost.objects.filter(slug=slug)
    # if queryset.count() == 0:
    #     raise Http404

    # obj = queryset.first()
    # print(post_id.__class__)
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog_post_detail.html"
    context = {"object": obj}  # {'title': objecct.title}

    return render(request, template_name, context)


# CRUD
# GET -> Retrieve / List
# POST -> Create / Update / DELETE
# Create Retrieve Update Delete


def blog_post_list_view(request):
    # list out objects
    # could be search
    qs = BlogPost.objects.all()
    # qs = BlogPost.objects.filter(title__icontains="hello")
    template_name = "blot_post_list.html"
    context = {"object_list": qs}
    return render(request, template_name, context)


def blog_post_create_view(request):
    # create objects
    # ? use a form
    template_name = "blot_post_create.html"
    context = {"form": None}
    return render(request, template_name, context)


def blog_post_detail_view(request, slug):
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog_post_detail.html"
    context = {"object": obj}
    return render(request, template_name, context)


def blog_post_update_view(request):
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog_post_update.html"
    context = {"object": obj, "form": None}
    return render(request, template_name, context)


def blog_post_delete_view(request):
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog_post_delete.html"
    context = {"object": obj}
    return render(request, template_name, context)

 

blot_post_list.html>

{% extends "base.html" %}

{% block content %}

{% for object in object_list %}
<li>{{ object.title }}</li>
{% endfor %}

{% endblock %}

 

urls>

"""try_django URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/3.0/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.urls import include, path
    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path, re_path  # url

from blog.views import (
    blog_post_detail_page,
    blog_post_list_view,
)
from .views import (
    home_page,
    about_page,
    contact_page,
    example_page,
)

urlpatterns = [
    path("", home_page),
    path("blog/", blog_post_list_view),
    path("blog/<str:slug>/", blog_post_detail_page),
    # re_path(r"^blog/(?P<slug>\w+)/$", blog_post_detail_page),
    path("page", about_page),
    path("pages", about_page),
    re_path(r"^pages?/$", about_page),
    re_path(r"^about/$", about_page),
    path("contact/", contact_page),
    path("example/", example_page),
    path("admin/", admin.site.urls),
]

 

적용 스크린샷>