FEAT: Write views

README.md

@@ -1,4 +1,4 @@
-# Start Django ✨
+# Getting started with Django ✨
 [Django Documentation Tutorial](https://docs.djangoproject.com/ko/3.2/intro/)을 따라가며 코드 및 배운 내용을 기록합니다.
 
 - **기간** : 2021.08.23 ~ 2021.08.27
@@ -22,11 +22,11 @@
 
 ## Docs
 
-|  #   |                      title                          |    date    |
-| :--: | :-------------------------------------------------: | :--------: |
-|  01  | [Start Django](docs/01-start_django.md)             | 2021-08-23 |
-|  02  | [Database and Admin](docs/02-database_and_admin.md) | 2021-08-24 |
-
+|  #   |                      title                       |    date    |
+| :--: | :----------------------------------------------: | :--------: |
+|  01  | [Start Django](docs/01-start_django.md)            | 2021.08.23 |
+|  02  | [Database and Admin](docs/02-database_and_admin.md) | 2021.08.24 |
+|  03  | [Views](docs/03-views.md)                          | 2021.08.24 |
 
 
 ## Reference

docs/03-views.md

@@ -0,0 +1,77 @@
+# 03. Views
+
+## Views
+뷰는 Django 어플리케이션이 특정 기능과 템플릿을 제공하는 웹페이지의 종류
+
+### `polls/views.py`
+```python
+from django.shortcuts import render, get_object_or_404
+from django.http import HttpResponse, Http404
+from django.template import loader
+from .models import Question
+
+
+def index(request):
+    latest_question_list = Question.objects.order_by('-pub_date')[:5]
+    context = {'latest_question_list': latest_question_list}
+    return render(request, 'polls/index.html', context)
+
+
+def detail(request, question_id):
+    # 객체가 존재하지 않으면 Http404 에러 발생하는 메서드
+    question = get_object_or_404(Question, pk=question_id)
+    return render(request, 'polls/detail.html', {'question': question})
+
+
+def results(request, question_id):
+    response = f"You're looking at the results of question {question_id}"
+    return HttpResponse(response)
+
+
+def vote(request, question_id):
+    return HttpResponse(f"You're voting on question {question_id}")
+```
+
+### `polls/urls.py`
+```python
+from django.urls import path
+from . import views
+
+app_name = 'polls'  # URL의 이름공간
+urlpatterns = [
+    # ex: /polls/
+    path('', views.index, name='index'),
+
+    # ex: /polls/5/
+    path('<int:question_id>/', views.detail, name='detail'),
+
+    # ex: /polls/5/results/
+    path('<int:question_id>/results/', views.results, name='results'),
+
+    # ex: /polls/5/vote/
+    path('<int:question_id>/vote/', views.vote, name='vote'),
+]
+```
+
+### `polls/templates/polls/index.html`
+```html
+{% if latest_question_list %}
+  <ul>
+    {% for question in latest_question_list %}
+      <li><a href="{% url 'polls:detail' question.id %}">{{ question.question_text }}</a></li>
+    {% endfor %}
+  </ul>
+{% else %}
+  <p>No polls are available.</p>
+{% endif %}
+```
+
+### `polls/templates/polls/detail.html`
+```html
+<h1>{{ question.question_text }}</h1>
+<ul>
+{% for choice in question.choice_set.all %}
+    <li>{{ choice.choice_text }}</li>
+{% endfor %}
+</ul>
+```

mysite/polls/templates/polls/detail.html

@@ -0,0 +1,6 @@
+<h1>{{ question.question_text }}</h1>
+<ul>
+{% for choice in question.choice_set.all %}
+    <li>{{ choice.choice_text }}</li>
+{% endfor %}
+</ul>

mysite/polls/templates/polls/index.html

@@ -0,0 +1,9 @@
+{% if latest_question_list %}
+  <ul>
+    {% for question in latest_question_list %}
+      <li><a href="{% url 'polls:detail' question.id %}">{{ question.question_text }}</a></li>
+    {% endfor %}
+  </ul>
+{% else %}
+  <p>No polls are available.</p>
+{% endif %}

mysite/polls/urls.py

@@ -1,6 +1,17 @@
 from django.urls import path
 from . import views
 
+app_name = 'polls'
 urlpatterns = [
+    # ex: /polls/
     path('', views.index, name='index'),
+
+    # ex: /polls/5/
+    path('<int:question_id>/', views.detail, name='detail'),
+
+    # ex: /polls/5/results/
+    path('<int:question_id>/results/', views.results, name='results'),
+
+    # ex: /polls/5/vote/
+    path('<int:question_id>/vote/', views.vote, name='vote'),
 ]

mysite/polls/views.py

@@ -1,6 +1,26 @@
-from django.shortcuts import render
-from django.http import HttpResponse
+from django.shortcuts import render, get_object_or_404
+from django.http import HttpResponse, Http404
+from django.template import loader
+from .models import Question
 
 
 def index(request):
-    return HttpResponse("Hello, world! You're at the polls index.")
+    latest_question_list = Question.objects.order_by('-pub_date')[:5]
+    context = {'latest_question_list': latest_question_list}
+    # HttpResponse 객체와 자주 쓰는 표현 단축 : render
+    return render(request, 'polls/index.html', context)
+
+
+def detail(request, question_id):
+    question = get_object_or_404(Question, pk=question_id)
+    return render(request, 'polls/detail.html', {'question': question})
+
+
+def results(request, question_id):
+    response = f"You're looking at the results of question {question_id}"
+    return HttpResponse(response)
+
+
+def vote(request, question_id):
+    return HttpResponse(f"You're voting on question {question_id}")
+