新增点赞收藏功能：cloud_favorites 模型、查询/设置点赞状态及收藏列表接口

2026-07-26 02:10:16 +08:00
parent b95400df2b
commit 49df3f067a
7 changed files with 531 additions and 2 deletions
@@ -0,0 +1,50 @@
+"""Add cloud_favorites table for photo likes/favorites.
+
+Revision ID: 20260726_0002
+Revises: 20260718_0001
+Create Date: 2026-07-26
+"""
+
+from typing import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = "20260726_0002"
+down_revision: str | None = "20260718_0001"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "cloud_favorites",
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.Column("user_id", sa.Uuid(), nullable=False),
+        sa.Column("cloud_id", sa.Uuid(), nullable=False),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.ForeignKeyConstraint(["cloud_id"], ["clouds.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("user_id", "cloud_id", name="uq_cloud_favorites_user_cloud"),
+    )
+    op.create_index("ix_cloud_favorites_user_id", "cloud_favorites", ["user_id"])
+    op.create_index("ix_cloud_favorites_cloud_id", "cloud_favorites", ["cloud_id"])
+    op.create_index(
+        "ix_cloud_favorites_user_created",
+        "cloud_favorites",
+        ["user_id", sa.text("created_at DESC"), sa.text("id DESC")],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_cloud_favorites_user_created", table_name="cloud_favorites")
+    op.drop_index("ix_cloud_favorites_cloud_id", table_name="cloud_favorites")
+    op.drop_index("ix_cloud_favorites_user_id", table_name="cloud_favorites")
+    op.drop_table("cloud_favorites")