4/1 이가현 #1

[1주차]/gahyeon2/gaga.py

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+print("i'm gaga")

[3주차]/admin.py

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+from django.contrib import admin
+
+from blog.models import Post, Category, Tag, Comment
+
+
+@admin.register(Post)
+class PostAdmin(admin.ModelAdmin):
+    list_display = ('id', 'category', 'tag_list', 'title', 'description', 'image', 'create_dt', 'update_dt', 'like')
+
+    def tag_list(self, obj):
+        return ','.join([t.name for t in obj.tags.all()])
+
+    def get_queryset(self, request):
+        return super().get_queryset(request).prefetch_related('tags')
+@admin.register(Category)
+class CategoryAdmin(admin.ModelAdmin):
+    list_display = ('id', 'name', 'description')
+
+@admin.register(Tag)
+class TagAdmin(admin.ModelAdmin):
+    list_display = ('id', 'name')
+
+@admin.register(Comment)
+class CommentAdmin(admin.ModelAdmin):
+    list_display = ('id', 'post', 'short_content', 'create_dt', 'update_dt')

[3주차]/models.py

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+from django.db import models
+
+# N 테이블에 field 정의
+class Post(models.Model):
+    category = models.ForeignKey('Category', on_delete=models.SET_NULL, blank=True,null=True)
+    tags = models.ManyToManyField('Tag', blank=True)
+    title = models.CharField('TITLE',max_length=50)
+    description = models.CharField('DESCRIPTION', max_length=100,blank=True, help_text='simple one-line text.')
+    image = models.ImageField('IMAGE',upload_to='blog/%Y/%m/',blank=True,null=True)
+    content = models.TextField('CONTENT')
+    create_dt = models.DateTimeField('CREATE DT',auto_now_add=True)
+    update_dt = models.DateTimeField('UPDATE DT', auto_now=True)
+    like = models.PositiveSmallIntegerField('LIKE',default=0)
+
+    def __str__(self):
+        return self.title
+
+class Category(models.Model): # P:C = N : 1
+    name = models.CharField(max_length=50,unique=True)
+    description = models.CharField('DESCRIPTION',max_length=100,blank=True,help_text='simple one-line text.')
+
+    def __str__(self):
+        return self.name
+
+class Tag(models.Model): # P:T = N : N
+    name = models.CharField(max_length=50)
+
+    def __str__(self):
+        return self.name
+
+class Comment(models.Model): # P:C = 1 : N
+    post = models.ForeignKey(Post,on_delete=models.CASCADE,blank=True,null=True)
+    content = models.TextField('CONTENT')
+    create_dt = models.DateTimeField('CREATE DT',auto_now_add=True)
+    update_dt = models.DateTimeField('UPDATE DT',auto_now=True)
+
+    @property
+    def short_content(self):
+        return self.content[:10]
+    def __str__(self):
+        return self.short_content