Adriano
e20299548f
upgrade head partiva dalla 001, che sa solo aggiungere colonne a tabelle
che assume gia' esistenti: su un DB davvero vuoto falliva subito. Nuova
000_base_schema.py (revision "000_base", down_revision None) crea lo
schema pre-001 esplicitamente (create_table, non Base.metadata.create_all,
che porterebbe gia' le colonne di 001-013 e farebbe fallire 001 su
"Duplicate column"). No-op se la tabella recipes esiste gia'
(sa.inspect(bind).has_table("recipes")). 001 ora ha down_revision =
"000_base".
setup.py: init-db e reset-db, dopo create_all/drop_all+create_all,
eseguono l'equivalente di "alembic stamp head" (nuovo _stamp_head(),
command.stamp con la config di src/backend/migrations/alembic.ini) cosi'
un DB nato da create_all non ritenta le migrazioni 001-013 al prossimo
deploy.
Test: catena upgrade head su SQLite vuoto, tabelle/colonne confrontate
con Base.metadata; DB con recipes gia' nello stato pre-001 -> upgrade
head non fallisce (000 no-op). _stamp_head si appoggia a
migrations/env.py, che costruisce una connessione propria da
settings.database_url (non modificabile dai test tramite l'engine
patchato di setup.py): nei test di setup.py e' quindi no-op via
monkeypatch, cosi' init-db/reset-db continuano a girare su SQLite senza
toccare un MySQL vero.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
252 lines
11 KiB
Python
252 lines
11 KiB
Python
"""base schema: state of the database immediately before migration 001
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Every database that has run this project since before Alembic was wired in
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was born from `Base.metadata.create_all()` (via `/api/setup/init-db`, or
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`init_db()` in dev) - never from a migration chain, because there wasn't one.
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`upgrade head` on a genuinely empty database therefore had no starting point:
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001 is the oldest migration, and it only knows how to ADD columns to tables
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that 001-013 all assume already exist.
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This migration supplies that starting point, but only when there is nothing
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there yet: on a database that already has `recipes` (the table 001 was
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written against), it is a no-op, because that database was already born from
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`create_all()` and already has this exact schema.
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Written explicitly with `create_table` rather than `Base.metadata.create_all`:
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`create_all` builds the CURRENT model definitions, which already carry every
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column 001-013 add, and 001 would then try to add a column that is already
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there (`Duplicate column`).
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Revision ID: 000_base
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Revises:
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Create Date: 2026-09-21
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy import inspect as sa_inspect
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# revision identifiers, used by Alembic.
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revision: str = '000_base'
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down_revision: Union[str, None] = None
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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# Table creation order matters: each one only references tables created
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# before it (users -> recipes -> recipe_versions -> recipe_tasks ->
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# recipe_subtasks -> measurements -> access_logs / system_settings /
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# recipe_version_audit). Downgrade drops them in the opposite order.
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_TABLES_NEWEST_FIRST = (
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'recipe_version_audit', 'system_settings', 'access_logs', 'measurements',
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'recipe_subtasks', 'recipe_tasks', 'recipe_versions', 'recipes', 'users',
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)
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def upgrade() -> None:
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bind = op.get_bind()
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if sa_inspect(bind).has_table('recipes'):
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# Already created (by create_all, or by a previous run of this same
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# migration) - nothing to do.
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return
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op.create_table(
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'users',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column('username', sa.String(100), nullable=False),
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sa.Column('password_hash', sa.String(255), nullable=False),
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sa.Column('email', sa.String(255), nullable=True),
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sa.Column('display_name', sa.String(255), nullable=False),
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sa.Column('roles', sa.JSON, nullable=False),
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sa.Column('is_admin', sa.Boolean, nullable=False, server_default='0'),
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sa.Column(
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'language_pref', sa.Enum('it', 'en', name='language_enum'),
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nullable=False, server_default='it',
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),
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sa.Column(
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'theme_pref', sa.Enum('light', 'dark', name='theme_enum'),
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nullable=False, server_default='light',
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),
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sa.Column('active', sa.Boolean, nullable=False, server_default='1'),
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sa.Column('api_key', sa.String(64), nullable=True),
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sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Column('last_login', sa.DateTime, nullable=True),
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sa.UniqueConstraint('username', name='uq_users_username'),
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sa.UniqueConstraint('api_key', name='uq_users_api_key'),
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sa.Index('ix_users_username', 'username'),
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sa.Index('ix_users_api_key', 'api_key'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'recipes',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column('code', sa.String(100), nullable=False),
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sa.Column('name', sa.String(255), nullable=False),
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sa.Column('description', sa.Text, nullable=True),
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sa.Column('created_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False),
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sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Column('active', sa.Boolean, nullable=False, server_default='1'),
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sa.UniqueConstraint('code', name='uq_recipes_code'),
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sa.Index('ix_recipes_code', 'code'),
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sa.Index('ix_recipes_active', 'active'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'recipe_versions',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column('recipe_id', sa.Integer, sa.ForeignKey('recipes.id'), nullable=False),
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sa.Column('version_number', sa.Integer, nullable=False),
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sa.Column('is_current', sa.Boolean, nullable=False, server_default='0'),
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sa.Column('created_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False),
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sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Column('change_notes', sa.Text, nullable=True),
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sa.UniqueConstraint('recipe_id', 'version_number', name='uq_recipe_version'),
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sa.Index('ix_recipe_version_current', 'recipe_id', 'is_current'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'recipe_tasks',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column('version_id', sa.Integer, sa.ForeignKey('recipe_versions.id'), nullable=False),
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sa.Column('order_index', sa.Integer, nullable=False, server_default='0'),
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sa.Column('title', sa.String(255), nullable=False),
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sa.Column('directive', sa.Text, nullable=True),
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sa.Column('description', sa.Text, nullable=True),
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sa.Column('file_path', sa.String(500), nullable=True),
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sa.Column(
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'file_type', sa.Enum('image', 'pdf', name='file_type_enum'),
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nullable=True,
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),
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sa.Column('annotations_json', sa.JSON, nullable=True),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'recipe_subtasks',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column(
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'task_id', sa.Integer,
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sa.ForeignKey('recipe_tasks.id', ondelete='CASCADE'), nullable=False,
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),
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sa.Column('marker_number', sa.Integer, nullable=False),
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sa.Column('description', sa.String(500), nullable=False),
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sa.Column('measurement_type', sa.String(100), nullable=True),
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sa.Column('nominal', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('utl', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('uwl', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('lwl', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('ltl', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('unit', sa.String(20), nullable=False, server_default='mm'),
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sa.UniqueConstraint('task_id', 'marker_number', name='uq_task_marker'),
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sa.Index('ix_subtask_task_id', 'task_id'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'measurements',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column(
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'subtask_id', sa.Integer, sa.ForeignKey('recipe_subtasks.id'),
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nullable=False,
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),
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sa.Column(
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'version_id', sa.Integer, sa.ForeignKey('recipe_versions.id'),
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nullable=False,
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),
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sa.Column(
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'measured_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False,
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),
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sa.Column('value', sa.DECIMAL(12, 6), nullable=False),
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sa.Column(
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'pass_fail', sa.Enum('pass', 'warning', 'fail', name='pass_fail_enum'),
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nullable=False,
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),
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sa.Column('deviation', sa.DECIMAL(12, 6), nullable=True),
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sa.Column('lot_number', sa.String(100), nullable=True),
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sa.Column('serial_number', sa.String(100), nullable=True),
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sa.Column(
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'input_method',
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sa.Enum('usb_caliper', 'manual', name='input_method_enum'),
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nullable=False, server_default='manual',
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),
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sa.Column(
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'measured_at', sa.DateTime, nullable=False, server_default=sa.func.now(),
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),
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sa.Column('synced_to_csv', sa.Boolean, nullable=True, server_default='0'),
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sa.Index('ix_measurements_subtask_id', 'subtask_id'),
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sa.Index('ix_measurements_version_id', 'version_id'),
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sa.Index('ix_measurements_measured_by', 'measured_by'),
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sa.Index('ix_measurements_lot_number', 'lot_number'),
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sa.Index('ix_measurements_serial_number', 'serial_number'),
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sa.Index('ix_measurements_measured_at', 'measured_at'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'access_logs',
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sa.Column('id', sa.BigInteger, primary_key=True, autoincrement=True),
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sa.Column('user_id', sa.Integer, sa.ForeignKey('users.id'), nullable=True),
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sa.Column('action', sa.String(100), nullable=False),
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sa.Column('details', sa.JSON, nullable=True),
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sa.Column('ip_address', sa.String(45), nullable=True),
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sa.Column('user_agent', sa.String(500), nullable=True),
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sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Index('ix_access_logs_action', 'action'),
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sa.Index('ix_access_log_user_time', 'user_id', 'created_at'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'system_settings',
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sa.Column('setting_key', sa.String(100), primary_key=True),
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sa.Column('setting_value', sa.Text, nullable=False),
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sa.Column(
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'setting_type',
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sa.Enum('string', 'number', 'boolean', 'json', name='setting_type_enum'),
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nullable=False, server_default='string',
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),
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sa.Column('description', sa.String(500), nullable=True),
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sa.Column('updated_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Column('updated_by', sa.Integer, sa.ForeignKey('users.id'), nullable=True),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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op.create_table(
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'recipe_version_audit',
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sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
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sa.Column('recipe_id', sa.Integer, sa.ForeignKey('recipes.id'), nullable=False),
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sa.Column('old_version_id', sa.Integer, nullable=True),
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sa.Column('new_version_id', sa.Integer, nullable=False),
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sa.Column('changed_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False),
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sa.Column(
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'change_type',
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sa.Enum('CREATE', 'UPDATE', 'ACTIVATE', 'RETIRE', name='change_type_enum'),
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nullable=False,
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),
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sa.Column('change_reason', sa.Text, nullable=True),
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sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
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sa.Index('ix_recipe_audit_recipe_time', 'recipe_id', 'created_at'),
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mysql_engine='InnoDB',
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mysql_charset='utf8mb4',
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)
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def downgrade() -> None:
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bind = op.get_bind()
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inspector = sa_inspect(bind)
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for table in _TABLES_NEWEST_FIRST:
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if inspector.has_table(table):
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op.drop_table(table)
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