Add database schema with SQLAlchemy async + Alembic migrations
Set up PostgreSQL database layer with async SQLAlchemy 2.0 and asyncpg driver. Implements 6 core tables (games, routes, pokemon, route_encounters, nuzlocke_runs, encounters) with foreign keys, indexes, and an initial Alembic migration. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Julian Tabel
155
backend/src/app/alembic/versions/03e5f186a9d5_initial_schema.py
Normal file
155
backend/src/app/alembic/versions/03e5f186a9d5_initial_schema.py
Normal file
@@ -0,0 +1,155 @@
|
||||
"""initial schema
|
||||
|
||||
Revision ID: 03e5f186a9d5
|
||||
Revises:
|
||||
Create Date: 2026-02-05 13:27:47.649534
|
||||
|
||||
"""
|
||||
|
||||
from typing import Sequence, Union
|
||||
|
||||
import sqlalchemy as sa
|
||||
from sqlalchemy.dialects import postgresql
|
||||
|
||||
from alembic import op
|
||||
|
||||
# revision identifiers, used by Alembic.
|
||||
revision: str = "03e5f186a9d5"
|
||||
down_revision: Union[str, Sequence[str], None] = None
|
||||
branch_labels: Union[str, Sequence[str], None] = None
|
||||
depends_on: Union[str, Sequence[str], None] = None
|
||||
|
||||
|
||||
def upgrade() -> None:
|
||||
op.create_table(
|
||||
"games",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column("name", sa.String(100), nullable=False),
|
||||
sa.Column("slug", sa.String(100), nullable=False, unique=True),
|
||||
sa.Column("generation", sa.SmallInteger(), nullable=False),
|
||||
sa.Column("region", sa.String(50), nullable=False),
|
||||
sa.Column("box_art_url", sa.String(500), nullable=True),
|
||||
sa.Column("release_year", sa.SmallInteger(), nullable=True),
|
||||
)
|
||||
|
||||
op.create_table(
|
||||
"routes",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column("name", sa.String(100), nullable=False),
|
||||
sa.Column(
|
||||
"game_id", sa.Integer(), sa.ForeignKey("games.id"), nullable=False
|
||||
),
|
||||
sa.Column("order", sa.SmallInteger(), nullable=False),
|
||||
)
|
||||
op.create_index("ix_routes_game_id", "routes", ["game_id"])
|
||||
|
||||
op.create_table(
|
||||
"pokemon",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column(
|
||||
"national_dex", sa.SmallInteger(), nullable=False, unique=True
|
||||
),
|
||||
sa.Column("name", sa.String(50), nullable=False),
|
||||
sa.Column(
|
||||
"types", postgresql.ARRAY(sa.String(20)), nullable=False
|
||||
),
|
||||
sa.Column("sprite_url", sa.String(500), nullable=True),
|
||||
)
|
||||
|
||||
op.create_table(
|
||||
"route_encounters",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column(
|
||||
"route_id", sa.Integer(), sa.ForeignKey("routes.id"), nullable=False
|
||||
),
|
||||
sa.Column(
|
||||
"pokemon_id",
|
||||
sa.Integer(),
|
||||
sa.ForeignKey("pokemon.id"),
|
||||
nullable=False,
|
||||
),
|
||||
sa.Column("encounter_method", sa.String(30), nullable=False),
|
||||
sa.Column("encounter_rate", sa.SmallInteger(), nullable=False),
|
||||
sa.UniqueConstraint(
|
||||
"route_id",
|
||||
"pokemon_id",
|
||||
"encounter_method",
|
||||
name="uq_route_pokemon_method",
|
||||
),
|
||||
)
|
||||
op.create_index(
|
||||
"ix_route_encounters_route_id", "route_encounters", ["route_id"]
|
||||
)
|
||||
op.create_index(
|
||||
"ix_route_encounters_pokemon_id", "route_encounters", ["pokemon_id"]
|
||||
)
|
||||
|
||||
op.create_table(
|
||||
"nuzlocke_runs",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column(
|
||||
"game_id", sa.Integer(), sa.ForeignKey("games.id"), nullable=False
|
||||
),
|
||||
sa.Column("name", sa.String(100), nullable=False),
|
||||
sa.Column("status", sa.String(20), nullable=False),
|
||||
sa.Column(
|
||||
"rules", postgresql.JSONB(), nullable=False, server_default="{}"
|
||||
),
|
||||
sa.Column(
|
||||
"started_at",
|
||||
sa.DateTime(timezone=True),
|
||||
nullable=False,
|
||||
server_default=sa.func.now(),
|
||||
),
|
||||
sa.Column(
|
||||
"completed_at", sa.DateTime(timezone=True), nullable=True
|
||||
),
|
||||
)
|
||||
op.create_index(
|
||||
"ix_nuzlocke_runs_game_id", "nuzlocke_runs", ["game_id"]
|
||||
)
|
||||
op.create_index(
|
||||
"ix_nuzlocke_runs_status", "nuzlocke_runs", ["status"]
|
||||
)
|
||||
|
||||
op.create_table(
|
||||
"encounters",
|
||||
sa.Column("id", sa.Integer(), primary_key=True),
|
||||
sa.Column(
|
||||
"run_id",
|
||||
sa.Integer(),
|
||||
sa.ForeignKey("nuzlocke_runs.id"),
|
||||
nullable=False,
|
||||
),
|
||||
sa.Column(
|
||||
"route_id", sa.Integer(), sa.ForeignKey("routes.id"), nullable=False
|
||||
),
|
||||
sa.Column(
|
||||
"pokemon_id",
|
||||
sa.Integer(),
|
||||
sa.ForeignKey("pokemon.id"),
|
||||
nullable=False,
|
||||
),
|
||||
sa.Column("nickname", sa.String(50), nullable=True),
|
||||
sa.Column("status", sa.String(20), nullable=False),
|
||||
sa.Column("catch_level", sa.SmallInteger(), nullable=True),
|
||||
sa.Column("faint_level", sa.SmallInteger(), nullable=True),
|
||||
sa.Column(
|
||||
"caught_at",
|
||||
sa.DateTime(timezone=True),
|
||||
nullable=False,
|
||||
server_default=sa.func.now(),
|
||||
),
|
||||
)
|
||||
op.create_index("ix_encounters_run_id", "encounters", ["run_id"])
|
||||
op.create_index("ix_encounters_route_id", "encounters", ["route_id"])
|
||||
op.create_index("ix_encounters_pokemon_id", "encounters", ["pokemon_id"])
|
||||
|
||||
|
||||
def downgrade() -> None:
|
||||
op.drop_table("encounters")
|
||||
op.drop_table("nuzlocke_runs")
|
||||
op.drop_table("route_encounters")
|
||||
op.drop_table("pokemon")
|
||||
op.drop_table("routes")
|
||||
op.drop_table("games")
|
||||
Reference in New Issue
Block a user