# -*- coding: utf-8 -*-
#
# This file is part of REANA.
# Copyright (C) 2020 CERN.
#
# REANA is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.

"""REANA DB alembic's environment context."""

from logging.config import fileConfig

from sqlalchemy import engine_from_config
from sqlalchemy import pool

from alembic import context

from reana_db.config import SQLALCHEMY_DATABASE_URI
from reana_db.models import Base

# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config

# Interpret the config file for Python logging.
# This line sets up loggers basically.
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 _include_object(object_, name, *args):
    # We ignore non-reana tables in migrations
    schema = object_.schema if hasattr(object_, "schema") else object_.table.schema
    if name == "alembic_version" or schema != "__reana":
        return False
    return True


def run_migrations_offline():
    """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.

    """
    context.configure(
        url=SQLALCHEMY_DATABASE_URI,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
        version_table_schema="__reana",
        include_schemas=True,
        include_object=_include_object,
    )

    with context.begin_transaction():
        context.run_migrations()


def run_migrations_online():
    """Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    """
    conf = {
        "script_location": "reana_db/alembic",
        "sqlalchemy.url": SQLALCHEMY_DATABASE_URI,
    }
    connectable = engine_from_config(
        conf, prefix="sqlalchemy.", poolclass=pool.NullPool,
    )

    with connectable.connect() as connection:
        context.configure(
            connection=connection,
            target_metadata=target_metadata,
            version_table_schema="__reana",
            include_schemas=True,
            include_object=_include_object,
        )

        with context.begin_transaction():
            context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()

# -*- coding: utf-8 -*-
#
# This file is part of REANA.
# Copyright (C) 2020 CERN.
#
# REANA is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.

"""REANA DB alembic's environment context."""

from logging.config import fileConfig

from sqlalchemy import engine_from_config
from sqlalchemy import pool

from alembic import context

from reana_db.config import SQLALCHEMY_DATABASE_URI
from reana_db.models import Base

# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config

# Interpret the config file for Python logging.
# This line sets up loggers basically.
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 _include_object(object_, name, *args):
    # We ignore non-reana tables in migrations
    schema = object_.schema if hasattr(object_, "schema") else object_.table.schema
    if name == "alembic_version" or schema != "__reana":
        return False
    return True


def run_migrations_offline():
    """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.

    """
    context.configure(
        url=SQLALCHEMY_DATABASE_URI,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
        version_table_schema="__reana",
        include_schemas=True,
        include_object=_include_object,
    )

    with context.begin_transaction():
        context.run_migrations()


def run_migrations_online():
    """Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    """
    conf = {
        "script_location": "reana_db/alembic",
        "sqlalchemy.url": SQLALCHEMY_DATABASE_URI,
    }
    connectable = engine_from_config(
        conf, prefix="sqlalchemy.", poolclass=pool.NullPool,
    )

    with connectable.connect() as connection:
        context.configure(
            connection=connection,
            target_metadata=target_metadata,
            version_table_schema="__reana",
            include_schemas=True,
            include_object=_include_object,
        )

        with context.begin_transaction():
            context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()

# -*- coding: utf-8 -*- # # This file is part of REANA. # Copyright (C) 2020 CERN. # # REANA is free software; you can redistribute it and/or modify it # under the terms of the MIT License; see LICENSE file for more details. REANA DB alembic's environment context. # this is the Alembic Config object, which provides # access to the values within the .ini file in use. # Interpret the config file for Python logging. # This line sets up loggers basically. # add your model's MetaData object here # for 'autogenerate' support # from myapp import mymodel # target_metadata = mymodel.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. # We ignore non-reana tables in migrations 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. Run migrations in 'online' mode.      In this scenario we need to create an Engine     and associate a connection with the context.