From 79765f09c2c939351c0f5b10510fa57f815e17cc Mon Sep 17 00:00:00 2001 From: coder-bot Date: Mon, 17 Aug 2026 20:42:41 +0000 Subject: [PATCH] WIP checkpoint: Scaffold FastAPI backend project structure --- backend/alembic/versions/0001_initial.py | 126 +++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 backend/alembic/versions/0001_initial.py diff --git a/backend/alembic/versions/0001_initial.py b/backend/alembic/versions/0001_initial.py new file mode 100644 index 0000000..a764b9a --- /dev/null +++ b/backend/alembic/versions/0001_initial.py @@ -0,0 +1,126 @@ +"""initial schema + +Revision ID: 0001_initial +Revises: +Create Date: 2024-01-01 00:00:00.000000 +""" +from typing import Sequence, Union + +from alembic import op +import sqlalchemy as sa +from sqlalchemy.dialects import postgresql + +# revision identifiers, used by Alembic. +revision: str = "0001_initial" +down_revision: Union[str, None] = None +branch_labels: Union[str, Sequence[str], None] = None +depends_on: Union[str, Sequence[str], None] = None + + +def upgrade() -> None: + """Upgrade database schema.""" + # Create ENUM types + world_visibility = postgresql.ENUM( + "public", "private", "friends_only", name="world_visibility" + ) + world_visibility.create(op.get_bind(), checkfirst=True) + + asset_type = postgresql.ENUM( + "image", "audio", "video", "document", "model_3d", "other", name="asset_type" + ) + asset_type.create(op.get_bind(), checkfirst=True) + + # Create users table + op.create_table( + "users", + sa.Column("id", sa.Integer(), primary_key=True), + sa.Column("username", sa.String(length=50), nullable=False), + sa.Column("email", sa.String(length=120), nullable=False), + sa.Column("hashed_password", sa.String(length=255), nullable=False), + sa.Column("is_active", sa.Boolean(), nullable=True), + sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True), + ) + op.create_index(op.f("ix_users_email"), "users", ["email"], unique=True) + op.create_index(op.f("ix_users_id"), "users", ["id"], unique=False) + op.create_index(op.f("ix_users_username"), "users", ["username"], unique=True) + + # Create sessions table + op.create_table( + "sessions", + sa.Column("id", sa.String(length=36), primary_key=True), + sa.Column("user_id", sa.Integer(), nullable=False), + sa.Column("token", sa.String(), nullable=False), + sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False), + sa.Column("is_active", sa.Boolean(), nullable=True), + sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"), + ) + op.create_index(op.f("ix_sessions_token"), "sessions", ["token"], unique=True) + + # Create worlds table + op.create_table( + "worlds", + sa.Column("id", sa.Integer(), primary_key=True), + sa.Column("name", sa.String(length=255), nullable=False), + sa.Column("description", sa.Text(), nullable=True), + sa.Column("owner_id", sa.Integer(), nullable=False), + sa.Column( + "visibility", + postgresql.ENUM( + "public", "private", "friends_only", name="world_visibility" + ), + nullable=True, + ), + sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True), + sa.ForeignKeyConstraint(["owner_id"], ["users.id"]), + ) + op.create_index(op.f("ix_worlds_id"), "worlds", ["id"], unique=False) + + # Create assets table + op.create_table( + "assets", + sa.Column("id", sa.Integer(), primary_key=True), + sa.Column("name", sa.String(length=255), nullable=False), + sa.Column("description", sa.Text(), nullable=True), + sa.Column( + "asset_type", + postgresql.ENUM( + "image", "audio", "video", "document", "model_3d", "other", + name="asset_type", + ), + nullable=False, + ), + sa.Column("file_path", sa.String(length=512), nullable=False), + sa.Column("file_size", sa.Integer(), nullable=True), + sa.Column("mime_type", sa.String(length=128), nullable=True), + sa.Column("metadata_json", sa.Text(), nullable=True), + sa.Column("world_id", sa.Integer(), nullable=True), + sa.Column("owner_id", sa.Integer(), nullable=False), + sa.Column("is_public", sa.Boolean(), nullable=False), + sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()), + sa.ForeignKeyConstraint(["owner_id"], ["users.id"]), + sa.ForeignKeyConstraint(["world_id"], ["worlds.id"]), + ) + op.create_index(op.f("ix_assets_id"), "assets", ["id"], unique=False) + + +def downgrade() -> None: + """Downgrade database schema.""" + op.drop_index(op.f("ix_assets_id"), table_name="assets") + op.drop_table("assets") + op.drop_index(op.f("ix_worlds_id"), table_name="worlds") + op.drop_table("worlds") + op.drop_index(op.f("ix_sessions_token"), table_name="sessions") + op.drop_table("sessions") + op.drop_index(op.f("ix_users_username"), table_name="users") + op.drop_index(op.f("ix_users_id"), table_name="users") + op.drop_index(op.f("ix_users_email"), table_name="users") + op.drop_table("users") + + # Drop ENUM types + postgresql.ENUM(name="asset_type").drop(op.get_bind(), checkfirst=True) + postgresql.ENUM(name="world_visibility").drop(op.get_bind(), checkfirst=True)