Initial import

backend/migrations/README

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+Generic single-database configuration with an async dbapi.

backend/migrations/env.py

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+import asyncio
+import os
+import sys
+from logging.config import fileConfig
+
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from alembic import context
+
+# Добавляем корень проекта в sys.path, чтобы Python нашел модуль database
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from database.models import Base
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+def get_url():
+    return os.getenv("DATABASE_URL", "postgresql+asyncpg://admin:your_strong_password@postgres:5432/ticket_db")
+
+def run_migrations_offline() -> None:
+    url = get_url()
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+async def run_async_migrations() -> None:
+    configuration = config.get_section(config.config_ini_section, {})
+    configuration["sqlalchemy.url"] = get_url()
+    connectable = async_engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+    await connectable.dispose()
+
+def run_migrations_online() -> None:
+    asyncio.run(run_async_migrations())
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    ${downgrades if downgrades else "pass"}

backend/migrations/versions/762b863b233b_init_models.py

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+"""Init models
+
+Revision ID: 762b863b233b
+Revises: 
+Create Date: 2026-03-03 16:49:28.746943
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '762b863b233b'
+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:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('tournaments',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('title', sa.String(), nullable=False),
+    sa.Column('event_date', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('users',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('email', sa.String(), nullable=False),
+    sa.Column('hashed_password', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
+    op.create_table('seats',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('tournament_id', sa.Integer(), nullable=False),
+    sa.Column('sector', sa.String(), nullable=False),
+    sa.Column('row', sa.Integer(), nullable=False),
+    sa.Column('number', sa.Integer(), nullable=False),
+    sa.Column('price', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['tournament_id'], ['tournaments.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_seats_tournament_id'), 'seats', ['tournament_id'], unique=False)
+    op.create_table('tickets',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('seat_id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=True),
+    sa.Column('status', sa.Enum('AVAILABLE', 'LOCKED', 'PAID', 'SCANNED', 'REFUNDED', name='ticket_status_enum'), nullable=False),
+    sa.Column('idempotency_key', sa.String(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['seat_id'], ['seats.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('idempotency_key')
+    )
+    op.create_index(op.f('ix_tickets_seat_id'), 'tickets', ['seat_id'], unique=True)
+    op.create_index(op.f('ix_tickets_status'), 'tickets', ['status'], unique=False)
+    op.create_index(op.f('ix_tickets_user_id'), 'tickets', ['user_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_tickets_user_id'), table_name='tickets')
+    op.drop_index(op.f('ix_tickets_status'), table_name='tickets')
+    op.drop_index(op.f('ix_tickets_seat_id'), table_name='tickets')
+    op.drop_table('tickets')
+    op.drop_index(op.f('ix_seats_tournament_id'), table_name='seats')
+    op.drop_table('seats')
+    op.drop_index(op.f('ix_users_email'), table_name='users')
+    op.drop_table('users')
+    op.drop_table('tournaments')
+    # ### end Alembic commands ###