codex

pricewatch/app/db/migrations/env.py

@@ -0,0 +1,80 @@
+"""
+Configuration Alembic pour PriceWatch.
+
+Recupere l'URL DB depuis AppConfig pour garantir un setup coherent.
+"""
+
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+from pricewatch.app.core.config import get_config
+from pricewatch.app.db.models import Base
+
+# Alembic Config object
+config = context.config
+
+# Configure logging
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Metadata SQLAlchemy pour autogenerate
+target_metadata = Base.metadata
+
+
+def _get_database_url() -> str:
+    """Construit l'URL DB depuis la config applicative."""
+    app_config = get_config()
+    return app_config.db.url
+
+
+def run_migrations_offline() -> None:
+    """
+    Execute les migrations en mode offline.
+
+    Configure le contexte avec l'URL DB sans creer d'engine.
+    """
+    url = _get_database_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 run_migrations_online() -> None:
+    """
+    Execute les migrations en mode online.
+
+    Cree un engine SQLAlchemy et etablit la connexion.
+    """
+    configuration = config.get_section(config.config_ini_section) or {}
+    configuration["sqlalchemy.url"] = _get_database_url()
+
+    connectable = engine_from_config(
+        configuration,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            compare_type=True,
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

pricewatch/app/db/migrations/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"}

pricewatch/app/db/migrations/versions/20260114_01_initial_schema.py

@@ -0,0 +1,124 @@
+"""Initial schema
+
+Revision ID: 20260114_01
+Revises: None
+Create Date: 2026-01-14 00:00:00
+"""
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# Revision identifiers, used by Alembic.
+revision = "20260114_01"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "products",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("source", sa.String(length=50), nullable=False),
+        sa.Column("reference", sa.String(length=100), nullable=False),
+        sa.Column("url", sa.Text(), nullable=False),
+        sa.Column("title", sa.Text(), nullable=True),
+        sa.Column("category", sa.Text(), nullable=True),
+        sa.Column("currency", sa.String(length=3), nullable=True),
+        sa.Column("first_seen_at", sa.TIMESTAMP(), nullable=False),
+        sa.Column("last_updated_at", sa.TIMESTAMP(), nullable=False),
+        sa.UniqueConstraint("source", "reference", name="uq_product_source_reference"),
+    )
+    op.create_index("ix_product_source", "products", ["source"], unique=False)
+    op.create_index("ix_product_reference", "products", ["reference"], unique=False)
+    op.create_index("ix_product_last_updated", "products", ["last_updated_at"], unique=False)
+
+    op.create_table(
+        "price_history",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("product_id", sa.Integer(), nullable=False),
+        sa.Column("price", sa.Numeric(10, 2), nullable=True),
+        sa.Column("shipping_cost", sa.Numeric(10, 2), nullable=True),
+        sa.Column("stock_status", sa.String(length=20), nullable=True),
+        sa.Column("fetch_method", sa.String(length=20), nullable=False),
+        sa.Column("fetch_status", sa.String(length=20), nullable=False),
+        sa.Column("fetched_at", sa.TIMESTAMP(), nullable=False),
+        sa.ForeignKeyConstraint(["product_id"], ["products.id"], ondelete="CASCADE"),
+        sa.UniqueConstraint("product_id", "fetched_at", name="uq_price_history_product_time"),
+        sa.CheckConstraint("stock_status IN ('in_stock', 'out_of_stock', 'unknown')"),
+        sa.CheckConstraint("fetch_method IN ('http', 'playwright')"),
+        sa.CheckConstraint("fetch_status IN ('success', 'partial', 'failed')"),
+    )
+    op.create_index("ix_price_history_product_id", "price_history", ["product_id"], unique=False)
+    op.create_index("ix_price_history_fetched_at", "price_history", ["fetched_at"], unique=False)
+
+    op.create_table(
+        "product_images",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("product_id", sa.Integer(), nullable=False),
+        sa.Column("image_url", sa.Text(), nullable=False),
+        sa.Column("position", sa.Integer(), nullable=False),
+        sa.ForeignKeyConstraint(["product_id"], ["products.id"], ondelete="CASCADE"),
+        sa.UniqueConstraint("product_id", "image_url", name="uq_product_image_url"),
+    )
+    op.create_index("ix_product_image_product_id", "product_images", ["product_id"], unique=False)
+
+    op.create_table(
+        "product_specs",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("product_id", sa.Integer(), nullable=False),
+        sa.Column("spec_key", sa.String(length=200), nullable=False),
+        sa.Column("spec_value", sa.Text(), nullable=False),
+        sa.ForeignKeyConstraint(["product_id"], ["products.id"], ondelete="CASCADE"),
+        sa.UniqueConstraint("product_id", "spec_key", name="uq_product_spec_key"),
+    )
+    op.create_index("ix_product_spec_product_id", "product_specs", ["product_id"], unique=False)
+    op.create_index("ix_product_spec_key", "product_specs", ["spec_key"], unique=False)
+
+    op.create_table(
+        "scraping_logs",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("product_id", sa.Integer(), nullable=True),
+        sa.Column("url", sa.Text(), nullable=False),
+        sa.Column("source", sa.String(length=50), nullable=False),
+        sa.Column("reference", sa.String(length=100), nullable=True),
+        sa.Column("fetch_method", sa.String(length=20), nullable=False),
+        sa.Column("fetch_status", sa.String(length=20), nullable=False),
+        sa.Column("fetched_at", sa.TIMESTAMP(), nullable=False),
+        sa.Column("duration_ms", sa.Integer(), nullable=True),
+        sa.Column("html_size_bytes", sa.Integer(), nullable=True),
+        sa.Column("errors", postgresql.JSONB(), nullable=True),
+        sa.Column("notes", postgresql.JSONB(), nullable=True),
+        sa.ForeignKeyConstraint(["product_id"], ["products.id"], ondelete="SET NULL"),
+        sa.CheckConstraint("fetch_method IN ('http', 'playwright')"),
+        sa.CheckConstraint("fetch_status IN ('success', 'partial', 'failed')"),
+    )
+    op.create_index("ix_scraping_log_product_id", "scraping_logs", ["product_id"], unique=False)
+    op.create_index("ix_scraping_log_source", "scraping_logs", ["source"], unique=False)
+    op.create_index("ix_scraping_log_fetched_at", "scraping_logs", ["fetched_at"], unique=False)
+    op.create_index("ix_scraping_log_fetch_status", "scraping_logs", ["fetch_status"], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_index("ix_scraping_log_fetch_status", table_name="scraping_logs")
+    op.drop_index("ix_scraping_log_fetched_at", table_name="scraping_logs")
+    op.drop_index("ix_scraping_log_source", table_name="scraping_logs")
+    op.drop_index("ix_scraping_log_product_id", table_name="scraping_logs")
+    op.drop_table("scraping_logs")
+
+    op.drop_index("ix_product_spec_key", table_name="product_specs")
+    op.drop_index("ix_product_spec_product_id", table_name="product_specs")
+    op.drop_table("product_specs")
+
+    op.drop_index("ix_product_image_product_id", table_name="product_images")
+    op.drop_table("product_images")
+
+    op.drop_index("ix_price_history_fetched_at", table_name="price_history")
+    op.drop_index("ix_price_history_product_id", table_name="price_history")
+    op.drop_table("price_history")
+
+    op.drop_index("ix_product_last_updated", table_name="products")
+    op.drop_index("ix_product_reference", table_name="products")
+    op.drop_index("ix_product_source", table_name="products")
+    op.drop_table("products")