#437 커뮤니티 DB Schema 설계 (#443)

Author: Boksam

backend/community/__init__.py

@@ -0,0 +1,54 @@
+# Generated by Django 3.2.25 on 2025-08-11 05:58
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import utils.models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('contest', '0001_initial'),
+        ('problem', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Post',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200)),
+                ('content', utils.models.RichTextField()),
+                ('community_type', models.CharField(choices=[('GENERAL', '일반'), ('PROBLEM', '문제'), ('CONTEST', '대회')], default='GENERAL', max_length=20)),
+                ('post_type', models.CharField(choices=[('QUESTION', '질문'), ('ARTICLE', '글'), ('ANNOUNCEMENT', '공지')], default='ARTICLE', max_length=20)),
+                ('question_status', models.CharField(choices=[('OPEN', '진행중'), ('CLOSED', '해결됨')], default='OPEN', max_length=20)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('contest', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='contest.contest')),
+                ('problem', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='problem.problem')),
+            ],
+            options={
+                'ordering': ['-created_at'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', utils.models.RichTextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('parent_comment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='replies', to='community.comment')),
+                ('post', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='community.post')),
+            ],
+            options={
+                'ordering': ['created_at'],
+            },
+        ),
+    ]

backend/community/migrations/0001_initial.py

@@ -0,0 +1,93 @@
+from django.db import models
+
+from account.models import User
+from contest.models import Contest
+from problem.models import Problem
+from utils.models import RichTextField
+
+
+class Post(models.Model):
+    """커뮤니티 게시글 모델
+
+    Attributes:
+        title (CharField): 게시글 제목 (최대 200자)
+        content (RichTextField): 게시글 내용
+        author (ForeignKey): 작성자 (User 모델 외래 키)
+        problem (ForeignKey): 연관된 문제 (Problem 모델 외래 키, community_type이 'PROBLEM'일 경우)
+        contest (ForeignKey): 연관된 대회 (Contest 모델 외래 키, community_type이 'CONTEST'일 경우)
+        community_type (CharField): 커뮤니티 종류 (일반, 문제, 대회)
+        post_type (CharField): 게시글 종류 (질문, 글, 공지)
+        question_status (CharField): 질문 상태 (진행중, 해결됨), post_type이 'QUESTION'일 경우
+        created_at (DateTimeField): 생성 일시 (자동 생성)
+        updated_at (DateTimeField): 수정 일시 (자동 업데이트)
+    """
+
+    class CommunityType(models.TextChoices):
+        """게시글의 커뮤니티 종류"""
+        GENERAL = 'GENERAL', '일반'
+        PROBLEM = 'PROBLEM', '문제'
+        CONTEST = 'CONTEST', '대회'
+
+    class PostType(models.TextChoices):
+        """게시글의 종류"""
+        QUESTION = 'QUESTION', '질문'
+        ARTICLE = 'ARTICLE', '글'
+        ANNOUNCEMENT = 'ANNOUNCEMENT', '공지'
+
+    class QuestionStatus(models.TextChoices):
+        """질문 게시글의 상태"""
+        OPEN = 'OPEN', '진행중'
+        CLOSED = 'CLOSED', '해결됨'
+
+    title = models.CharField(max_length=200)
+    content = RichTextField()
+    author = models.ForeignKey(User, on_delete=models.CASCADE)
+
+    problem = models.ForeignKey(Problem, null=True, blank=True, on_delete=models.CASCADE)
+    contest = models.ForeignKey(Contest, null=True, blank=True, on_delete=models.CASCADE)
+
+    community_type = models.CharField(
+        max_length=20,
+        choices=CommunityType.choices,
+        default=CommunityType.GENERAL,
+    )
+
+    post_type = models.CharField(
+        max_length=20,
+        choices=PostType.choices,
+        default=PostType.ARTICLE,
+    )
+
+    question_status = models.CharField(
+        max_length=20,
+        choices=QuestionStatus.choices,
+        default=QuestionStatus.OPEN,
+    )
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['-created_at']
+
+
+class Comment(models.Model):
+    """게시글 댓글 모델
+
+    Attributes:
+        post (ForeignKey): 댓글이 달린 게시글 (Post 모델 외래 키)
+        author (ForeignKey): 댓글 작성자 (User 모델 외래 키)
+        content (RichTextField): 댓글 내용
+        parent_comment (ForeignKey): 부모 댓글 (대댓글의 경우)
+        created_at (DateTimeField): 생성 일시 (자동 생성)
+        updated_at (DateTimeField): 수정 일시 (자동 업데이트)
+    """
+    post = models.ForeignKey(Post, related_name='comments', on_delete=models.CASCADE)
+    author = models.ForeignKey(User, on_delete=models.CASCADE)
+    content = RichTextField()
+    parent_comment = models.ForeignKey('self', null=True, blank=True, related_name='replies', on_delete=models.CASCADE)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['created_at']  # 댓글은 오래된 순서대로 정렬

backend/community/migrations/__init__.py

@@ -45,6 +45,7 @@
 LOCAL_APPS = [
     'account',
     'announcement',
+    'community',
     'conf',
     'problem',
     'contest',