docs: Add 07-customize-admin.md

Author: devpla

docs/07-customize-admin.md

@@ -0,0 +1,89 @@
+# 07. Custiomize Admin
+
+## 관리자 폼 커스터마이징
+-`mysite/settings.py`
+```python
+TEMPLATES = [
+    {
+        ...,
+        'DIRS': [BASE_DIR / 'templates'],
+        ...,
+    }
+]
+```
+
+- `polls/admin.py`
+```python
+from django.contrib import admin
+
+from .models import Choice, Question
+
+
+class ChoiceInline(admin.TabularInline):
+    model = Choice
+    extra = 3
+
+
+class QuestionAdmin(admin.ModelAdmin):
+    fieldsets = [
+        (None,               {'fields': ['question_text']}),
+        ('Date information', {'fields': ['pub_date'], 'classes': ['collapse']}),
+    ]
+    inlines = [ChoiceInline]
+    list_display = ('question_text', 'pub_date', 'was_published_recently')
+    list_filter = ['pub_date']
+    search_fields = ['question_text']
+
+
+admin.site.register(Question, QuestionAdmin)
+admin.site.register(Choice)
+
+```
+
+- `polls/models.py`
+```python
+from django.contrib import admin
+
+
+class Question(models.Model):
+    question_text = models.CharField(max_length=200)
+    pub_date = models.DateTimeField('date Published')
+
+    def __str__(self):
+        return self.question_text
+    
+    @admin.display(
+        boolean=True,
+        ordering='pub_date',
+        description='Published recently?',
+    )
+
+    # def was_published_recently(self):
+    #     return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
+    def was_published_recently(self):
+        now = timezone.now()
+        return now - datetime.timedelta(days=1) <= self.pub_date <= now
+```
+
+![img_1.png](images/img_1.png)
+![img_2.png](images/img_2.png)
+
+## 관리자 템플릿 커스터마이징
+```
+django-tutorial/venv/lib/site-packages/django/contrib/admin/templates/admin/base_site.html
+polls/templates/admin/base_site.html 로 복사
+```
+```html
+{% extends "admin/base.html" %}
+
+{% block title %}{% if subtitle %}{{ subtitle }} | {% endif %}{{ title }} | {{ site_title|default:_('Django site admin') }}{% endblock %}
+
+{% block branding %}
+<h1 id="site-name"><a href="{% url 'admin:index' %}">Administration</a></h1>
+{% endblock %}
+
+{% block nav-global %}{% endblock %}
+```
+![img_1.png](images/img_3.png)
+
+- 기타 수정하고자 하는 것은 templates 폴더로 복사해서 수정하면 됨.