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WIP checkpoint: Friends/follow/block models + Alembic migration

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architect-bot
2026-08-18 15:51:37 +00:00
parent ca06b459ec
commit 10dcd6eff2
4 changed files with 23 additions and 13 deletions
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backend/alembic/versions/0002_social_graph.py
+16 -6
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@@ -23,7 +23,7 @@ def upgrade() -> None:
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("requester_id", sa.Integer(), nullable=False),
sa.Column("addressee_id", sa.Integer(), nullable=False),
sa.Column("status", sa.String(length=20), nullable=False),
sa.Column("status", sa.String(length=20), server_default="pending", nullable=False),
sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
sa.CheckConstraint(
@@ -48,7 +48,7 @@ def upgrade() -> None:
sa.UniqueConstraint(
"requester_id",
"addressee_id",
name="uq_friendships_pair",
name="uq_friendships_requester_addressee",
),
)
op.create_index(op.f("ix_friendships_id"), "friendships", ["id"], unique=False)
@@ -57,6 +57,7 @@ def upgrade() -> None:
op.create_table(
"follows",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("follower_id", sa.Integer(), nullable=False),
sa.Column("followed_id", sa.Integer(), nullable=False),
sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
@@ -74,17 +75,20 @@ def upgrade() -> None:
["users.id"],
ondelete="CASCADE",
),
sa.PrimaryKeyConstraint("follower_id", "followed_id"),
sa.PrimaryKeyConstraint("id"),
sa.UniqueConstraint(
"follower_id",
"followed_id",
name="uq_follows_pair",
name="uq_follows_follower_followed",
),
)
op.create_index(op.f("ix_follows_id"), "follows", ["id"], unique=False)
op.create_index(op.f("ix_follows_followed_id"), "follows", ["followed_id"], unique=False)
op.create_index(op.f("ix_follows_follower_id"), "follows", ["follower_id"], unique=False)
op.create_table(
"blocks",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("blocker_id", sa.Integer(), nullable=False),
sa.Column("blocked_id", sa.Integer(), nullable=False),
sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
@@ -102,22 +106,28 @@ def upgrade() -> None:
["users.id"],
ondelete="CASCADE",
),
sa.PrimaryKeyConstraint("blocker_id", "blocked_id"),
sa.PrimaryKeyConstraint("id"),
sa.UniqueConstraint(
"blocker_id",
"blocked_id",
name="uq_blocks_pair",
name="uq_blocks_blocker_blocked",
),
)
op.create_index(op.f("ix_blocks_id"), "blocks", ["id"], unique=False)
op.create_index(op.f("ix_blocks_blocked_id"), "blocks", ["blocked_id"], unique=False)
op.create_index(op.f("ix_blocks_blocker_id"), "blocks", ["blocker_id"], unique=False)
def downgrade() -> None:
"""Drop friendships, follows, and blocks tables."""
op.drop_index(op.f("ix_blocks_blocker_id"), table_name="blocks")
op.drop_index(op.f("ix_blocks_blocked_id"), table_name="blocks")
op.drop_index(op.f("ix_blocks_id"), table_name="blocks")
op.drop_table("blocks")
op.drop_index(op.f("ix_follows_follower_id"), table_name="follows")
op.drop_index(op.f("ix_follows_followed_id"), table_name="follows")
op.drop_index(op.f("ix_follows_id"), table_name="follows")
op.drop_table("follows")
op.drop_index(op.f("ix_friendships_requester_id"), table_name="friendships")