Initial project scaffold

Full-stack Dutch supermarket price tracker with FastAPI backend, PostgreSQL/SQLAlchemy, Albert Heijn scraper, and Next.js frontend. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-04 22:27:24 +02:00
commit 486749a890
40 changed files with 1596 additions and 0 deletions
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+import os
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+db_url = os.getenv("DATABASE_URL") or config.get_main_option("sqlalchemy.url")
+config.set_main_option("sqlalchemy.url", db_url)
+
+from app.models import Base  # noqa: E402
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    context.configure(
+        url=db_url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    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()
@@ -0,0 +1,25 @@
+"""${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 ""}
+
+revision: str = ${repr(up_revision)}
+down_revision: Union[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:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}
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+"""initial
+
+Revision ID: 001
+Revises:
+Create Date: 2024-01-01 00:00:00.000000
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "001"
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "stores",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("name", sa.String(100), nullable=False),
+        sa.Column("slug", sa.String(50), nullable=False),
+        sa.Column("country", sa.String(2), server_default="NL"),
+        sa.Column("website", sa.String(255)),
+        sa.UniqueConstraint("slug", name="uq_stores_slug"),
+    )
+
+    op.create_table(
+        "products",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("store_id", sa.Integer(), sa.ForeignKey("stores.id"), nullable=False),
+        sa.Column("external_id", sa.String(50), nullable=False),
+        sa.Column("ean", sa.String(20)),
+        sa.Column("name", sa.String(255), nullable=False),
+        sa.Column("brand", sa.String(100)),
+        sa.Column("category", sa.String(100)),
+        sa.Column("unit_size", sa.String(50)),
+        sa.Column("url", sa.String(500)),
+        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now()),
+        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now()),
+        sa.UniqueConstraint("store_id", "external_id", name="uq_products_store_external"),
+    )
+    op.create_index("ix_products_ean", "products", ["ean"])
+
+    op.create_table(
+        "scrape_runs",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("store_id", sa.Integer(), sa.ForeignKey("stores.id"), nullable=False),
+        sa.Column("query", sa.String(255), nullable=False),
+        sa.Column("started_at", sa.DateTime(), server_default=sa.func.now()),
+        sa.Column("finished_at", sa.DateTime()),
+        sa.Column("status", sa.String(20), server_default="running"),
+        sa.Column("products_found", sa.Integer(), server_default="0"),
+        sa.Column("error_message", sa.String(1000)),
+    )
+
+    op.create_table(
+        "price_snapshots",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("product_id", sa.Integer(), sa.ForeignKey("products.id"), nullable=False),
+        sa.Column("scrape_run_id", sa.Integer(), sa.ForeignKey("scrape_runs.id"), nullable=False),
+        sa.Column("price", sa.Integer(), nullable=False),
+        sa.Column("unit_price", sa.Integer()),
+        sa.Column("unit_description", sa.String(50)),
+        sa.Column("currency", sa.String(3), server_default="EUR"),
+        sa.Column("discount_label", sa.String(100)),
+        sa.Column("discount_description", sa.String(255)),
+        sa.Column("was_price", sa.Integer()),
+        sa.Column("is_on_sale", sa.Boolean(), server_default="false"),
+        sa.Column("timestamp", sa.DateTime(), server_default=sa.func.now()),
+    )
+    op.create_index("ix_price_snapshots_timestamp", "price_snapshots", ["timestamp"])
+    op.create_index(
+        "ix_price_snapshots_product_timestamp",
+        "price_snapshots",
+        ["product_id", "timestamp"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("price_snapshots")
+    op.drop_table("scrape_runs")
+    op.drop_table("products")
+    op.drop_table("stores")