fix: daily fortune details 날짜별 unique 제약조건 추가 (#22)

Co-authored-by: Gukhee Jo <[email protected]>

Author: 9keyyyy

migrations/versions/50ef02f95f5c_add_unique_constraint_to_user_daily_.py

@@ -0,0 +1,32 @@
+"""add_unique_constraint_to_user_daily_fortune_detail
+
+Revision ID: 50ef02f95f5c
+Revises: 578233fccdf8
+Create Date: 2025-08-22 19:26:03.866093
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '50ef02f95f5c'
+down_revision: Union[str, Sequence[str], None] = '578233fccdf8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_unique_constraint('uk_user_daily_fortune_detail_user_date', 'user_daily_fortune_detail', ['user_id', 'fortune_date'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint('uk_user_daily_fortune_detail_user_date', 'user_daily_fortune_detail', type_='unique')
+    # ### end Alembic commands ###

src/fortune/entities/models.py

@@ -1,5 +1,5 @@
 # src/fortune/entities/models.py
-from sqlalchemy import Column, Integer, Date, Enum as SAEnum, String, CheckConstraint, ForeignKey, JSON
+from sqlalchemy import Column, Integer, Date, Enum as SAEnum, String, CheckConstraint, ForeignKey, JSON, UniqueConstraint
 from sqlalchemy.orm import relationship
 from src.config.database import Base
 from src.fortune.entities.enums import FortuneType
@@ -41,4 +41,5 @@ class UserDailyFortuneDetail(Base):
     __table_args__ = (
         CheckConstraint("fortune_score >= 0 AND fortune_score <= 100", name="ck_fortune_score_range"),
         CheckConstraint("length(fortune_comment) > 0", name="ck_fortune_comment_len"),
+        UniqueConstraint("user_id", "fortune_date", name="uk_user_daily_fortune_detail_user_date"),
     )