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alembic/README

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+Generic single-database configuration with an async dbapi.

alembic/env.py

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+import asyncio
+from logging.config import fileConfig
+
+from dotenv import load_dotenv
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from alembic import context
+
+from app.core.base import Base
+from app.core.config import settings
+
+load_dotenv('.env')
+
+# 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"},
+        compare_type=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(connection=connection,
+                      target_metadata=target_metadata,
+                      compare_type=True)
+
+    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()

alembic/script.py.mako

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

alembic/versions/3de147b35e89_fix_telegram_ids.py

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+"""fix telegram ids
+
+Revision ID: 3de147b35e89
+Revises: 559d3cc36e6e
+Create Date: 2023-06-08 16:41:33.395065
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '3de147b35e89'
+down_revision = '559d3cc36e6e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('message', 'telegram_user_id',
+               existing_type=sa.INTEGER(),
+               type_=sa.BigInteger(),
+               existing_nullable=False)
+    op.alter_column('message', 'answer_to_user_id',
+               existing_type=sa.INTEGER(),
+               type_=sa.BigInteger(),
+               existing_nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('message', 'answer_to_user_id',
+               existing_type=sa.BigInteger(),
+               type_=sa.INTEGER(),
+               existing_nullable=True)
+    op.alter_column('message', 'telegram_user_id',
+               existing_type=sa.BigInteger(),
+               type_=sa.INTEGER(),
+               existing_nullable=False)
+    # ### end Alembic commands ###

alembic/versions/559d3cc36e6e_first_commit.py

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+"""first commit
+
+Revision ID: 559d3cc36e6e
+Revises: 
+Create Date: 2023-04-10 13:09:57.880742
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '559d3cc36e6e'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('user',
+    sa.Column('telegram_id', sa.BigInteger(), nullable=False),
+    sa.Column('telegram_username', sa.String(length=100), nullable=True),
+    sa.Column('is_banned', sa.Boolean(), nullable=True),
+    sa.Column('first_name', sa.String(length=100), nullable=True),
+    sa.Column('last_name', sa.String(length=100), nullable=True),
+    sa.Column('is_admin', sa.Boolean(), nullable=True),
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('telegram_id')
+    )
+    op.create_table('message',
+    sa.Column('telegram_user_id', sa.Integer(), nullable=False),
+    sa.Column('answer_to_user_id', sa.Integer(), nullable=True),
+    sa.Column('text', sa.Text(), nullable=True),
+    sa.Column('attachments', sa.Boolean(), nullable=True),
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
+    sa.ForeignKeyConstraint(['answer_to_user_id'], ['user.telegram_id'], ),
+    sa.ForeignKeyConstraint(['telegram_user_id'], ['user.telegram_id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('message')
+    op.drop_table('user')
+    # ### end Alembic commands ###