Create authorization system

backend/app/migration/README

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+Generic single-database configuration with an async dbapi.

backend/app/migration/env.py

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+import asyncio
+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
+
+from app.users.models import UserModel
+from app.database import Base
+from app.config import settings
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+config.set_main_option("sqlalchemy.url", settings.DATABASE_URL)
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.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:
+    """In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        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:
+    """Run migrations in 'online' mode."""
+
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/app/migration/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/app/migration/versions/4d00c9b0516e_add_user_table.py

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+"""ADD: user table
+
+Revision ID: 4d00c9b0516e
+Revises: 52b7263bba19
+Create Date: 2026-01-04 14:04:33.143440
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '4d00c9b0516e'
+down_revision: Union[str, Sequence[str], None] = '52b7263bba19'
+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.alter_column('user', 'birth_day',
+               existing_type=sa.DATE(),
+               nullable=True)
+    op.alter_column('user', 'description',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    op.alter_column('user', 'avatar_url',
+               existing_type=sa.VARCHAR(),
+               nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('user', 'avatar_url',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('user', 'description',
+               existing_type=sa.VARCHAR(),
+               nullable=False)
+    op.alter_column('user', 'birth_day',
+               existing_type=sa.DATE(),
+               nullable=False)
+    # ### end Alembic commands ###

backend/app/migration/versions/52b7263bba19_add_user_table.py

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+"""ADD: user table
+
+Revision ID: 52b7263bba19
+Revises: 9b013a15d8fb
+Create Date: 2026-01-04 13:48:55.058538
+
+"""
+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 = '52b7263bba19'
+down_revision: Union[str, Sequence[str], None] = '9b013a15d8fb'
+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.drop_index(op.f('refresh_session_id_idx'), table_name='refresh_session')
+    op.drop_index(op.f('refresh_session_refresh_token_idx'), table_name='refresh_session')
+    op.drop_table('refresh_session')
+    op.add_column('user', sa.Column('hashed_password', sa.String(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('user', 'hashed_password')
+    op.create_table('refresh_session',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('refresh_token', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('expires_in', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('user_ud', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('created_at', postgresql.TIMESTAMP(), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.Column('updated_at', postgresql.TIMESTAMP(), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['user_ud'], ['user.id'], name=op.f('refresh_session_user_ud_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('refresh_session_pkey'))
+    )
+    op.create_index(op.f('refresh_session_refresh_token_idx'), 'refresh_session', ['refresh_token'], unique=False)
+    op.create_index(op.f('refresh_session_id_idx'), 'refresh_session', ['id'], unique=False)
+    # ### end Alembic commands ###

backend/app/migration/versions/9b013a15d8fb_initial_revision.py

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+"""Initial revision
+
+Revision ID: 9b013a15d8fb
+Revises: 
+Create Date: 2025-12-21 17:27:03.170318
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '9b013a15d8fb'
+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('user',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('display_name', sa.String(), nullable=False),
+    sa.Column('username', sa.String(), nullable=False),
+    sa.Column('email', sa.String(), nullable=False),
+    sa.Column('birth_day', sa.DATE(), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.Column('avatar_url', sa.String(), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=False),
+    sa.Column('is_verified', sa.Boolean(), nullable=False),
+    sa.Column('is_superuser', sa.Boolean(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('user_pkey'))
+    )
+    op.create_index(op.f('user_email_idx'), 'user', ['email'], unique=True)
+    op.create_index(op.f('user_id_idx'), 'user', ['id'], unique=False)
+    op.create_index(op.f('user_username_idx'), 'user', ['username'], unique=True)
+    op.create_table('refresh_session',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('refresh_token', sa.UUID(), nullable=False),
+    sa.Column('expires_in', sa.Integer(), nullable=False),
+    sa.Column('user_ud', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.ForeignKeyConstraint(['user_ud'], ['user.id'], name=op.f('refresh_session_user_ud_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('refresh_session_pkey'))
+    )
+    op.create_index(op.f('refresh_session_id_idx'), 'refresh_session', ['id'], unique=False)
+    op.create_index(op.f('refresh_session_refresh_token_idx'), 'refresh_session', ['refresh_token'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('refresh_session_refresh_token_idx'), table_name='refresh_session')
+    op.drop_index(op.f('refresh_session_id_idx'), table_name='refresh_session')
+    op.drop_table('refresh_session')
+    op.drop_index(op.f('user_username_idx'), table_name='user')
+    op.drop_index(op.f('user_id_idx'), table_name='user')
+    op.drop_index(op.f('user_email_idx'), table_name='user')
+    op.drop_table('user')
+    # ### end Alembic commands ###