add workflow

backend/alembic/README

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+Generic single-database configuration.

backend/alembic/env.py

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+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+from sqlmodel import SQLModel
+from src.settings import settings
+
+# 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.
+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 = SQLModel.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+config.set_main_option("sqlalchemy.url", f'postgresql://{settings.db_user}:{settings.db_pass}@{settings.db_host}:5432/{settings.db_name}')
+# ... 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 run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/alembic/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 ""}
+import sqlmodel.sql.sqltypes
+
+# 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/alembic/versions/370137544ee6_initial_repository.py

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+"""Initial repository
+
+Revision ID: 370137544ee6
+Revises: 
+Create Date: 2026-02-19 22:55:19.804879
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+import sqlmodel.sql.sqltypes
+
+# revision identifiers, used by Alembic.
+revision: str = '370137544ee6'
+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.drop_table('template')
+    op.drop_table('user')
+    op.drop_table('form')
+    op.drop_table('usercontracttypelink')
+    op.drop_table('shipment')
+    op.drop_table('cheque')
+    op.drop_table('productor')
+    op.drop_table('paymentmethod')
+    op.drop_table('contract')
+    op.drop_table('contractproduct')
+    op.drop_table('contracttype')
+    op.drop_table('product')
+    op.drop_table('shipmentproductlink')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('shipmentproductlink',
+    sa.Column('shipment_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('product_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['product_id'], ['product.id'], name=op.f('shipmentproductlink_product_id_fkey')),
+    sa.ForeignKeyConstraint(['shipment_id'], ['shipment.id'], name=op.f('shipmentproductlink_shipment_id_fkey')),
+    sa.PrimaryKeyConstraint('shipment_id', 'product_id', name=op.f('shipmentproductlink_pkey'))
+    )
+    op.create_table('product',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('unit', postgresql.ENUM('GRAMS', 'KILO', 'PIECE', name='unit'), autoincrement=False, nullable=False),
+    sa.Column('price', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=True),
+    sa.Column('price_kg', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=True),
+    sa.Column('quantity', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=True),
+    sa.Column('quantity_unit', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.Column('type', postgresql.ENUM('OCCASIONAL', 'RECCURENT', name='producttype'), autoincrement=False, nullable=False),
+    sa.Column('productor_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.ForeignKeyConstraint(['productor_id'], ['productor.id'], name=op.f('product_productor_id_fkey')),
+    sa.PrimaryKeyConstraint('id', name=op.f('product_pkey'))
+    )
+    op.create_table('contracttype',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('contracttype_pkey'))
+    )
+    op.create_table('contractproduct',
+    sa.Column('product_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('shipment_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('quantity', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('contract_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['contract_id'], ['contract.id'], name=op.f('contractproduct_contract_id_fkey'), ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['product_id'], ['product.id'], name=op.f('contractproduct_product_id_fkey'), ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['shipment_id'], ['shipment.id'], name=op.f('contractproduct_shipment_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('contractproduct_pkey'))
+    )
+    op.create_table('contract',
+    sa.Column('firstname', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('lastname', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('email', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('phone', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('payment_method', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('cheque_quantity', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('form_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('file', postgresql.BYTEA(), autoincrement=False, nullable=True),
+    sa.Column('total_price', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=True),
+    sa.ForeignKeyConstraint(['form_id'], ['form.id'], name=op.f('contract_form_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('contract_pkey'))
+    )
+    op.create_table('paymentmethod',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('details', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('productor_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['productor_id'], ['productor.id'], name=op.f('paymentmethod_productor_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('paymentmethod_pkey'))
+    )
+    op.create_table('productor',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('address', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('type', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('productor_pkey'))
+    )
+    op.create_table('cheque',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('value', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('contract_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['contract_id'], ['contract.id'], name=op.f('cheque_contract_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('cheque_pkey'))
+    )
+    op.create_table('shipment',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('date', sa.DATE(), autoincrement=False, nullable=False),
+    sa.Column('form_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.ForeignKeyConstraint(['form_id'], ['form.id'], name=op.f('shipment_form_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('shipment_pkey'))
+    )
+    op.create_table('usercontracttypelink',
+    sa.Column('user_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('contract_type_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['contract_type_id'], ['contracttype.id'], name=op.f('usercontracttypelink_contract_type_id_fkey')),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], name=op.f('usercontracttypelink_user_id_fkey')),
+    sa.PrimaryKeyConstraint('user_id', 'contract_type_id', name=op.f('usercontracttypelink_pkey'))
+    )
+    op.create_table('form',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('productor_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('referer_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('season', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('start', sa.DATE(), autoincrement=False, nullable=False),
+    sa.Column('end', sa.DATE(), autoincrement=False, nullable=False),
+    sa.Column('minimum_shipment_value', sa.DOUBLE_PRECISION(precision=53), autoincrement=False, nullable=True),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.ForeignKeyConstraint(['productor_id'], ['productor.id'], name=op.f('form_productor_id_fkey')),
+    sa.ForeignKeyConstraint(['referer_id'], ['user.id'], name=op.f('form_referer_id_fkey')),
+    sa.PrimaryKeyConstraint('id', name=op.f('form_pkey'))
+    )
+    op.create_table('user',
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('email', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('user_pkey'))
+    )
+    op.create_table('template',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('template_pkey'))
+    )
+    # ### end Alembic commands ###