Mechanic's work place

alembic/versions/202605150001_promote_admin_user.py

@@ -1,4 +1,4 @@
-"""promote requested admin user
+"""legacy admin bootstrap placeholder
 
 Revision ID: 202605150001
 Revises: 202605140002
@@ -7,33 +7,15 @@ Create Date: 2026-05-15 05:00:00.000000
 
 from collections.abc import Sequence
 
-from alembic import op
-
 revision: str = "202605150001"
 down_revision: str | None = "202605140002"
 branch_labels: str | Sequence[str] | None = None
 depends_on: str | Sequence[str] | None = None
 
-ADMIN_TELEGRAM_ID = 556399210
-
 
 def upgrade() -> None:
-    op.execute(
-        f"""
-        insert into users (telegram_id, username, platform_role)
-        values ({ADMIN_TELEGRAM_ID}, '{ADMIN_TELEGRAM_ID}', 'admin')
-        on conflict (telegram_id) do update
-        set platform_role = 'admin'
-        """
-    )
+    return None
 
 
 def downgrade() -> None:
-    op.execute(
-        f"""
-        update users
-        set platform_role = 'user'
-        where telegram_id = {ADMIN_TELEGRAM_ID}
-          and platform_role = 'admin'
-        """
-    )
+    return None

alembic/versions/202605150003_production_work_orders.py

@@ -0,0 +1,210 @@
+"""production work orders, employee invites, notifications
+
+Revision ID: 202605150003
+Revises: 202605150002
+Create Date: 2026-05-15 12:00:00.000000
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision: str = "202605150003"
+down_revision: str | None = "202605150002"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.add_column("service_entries", sa.Column("service_visit_id", sa.Integer(), nullable=True))
+    op.create_index("ix_service_entries_service_visit_id", "service_entries", ["service_visit_id"])
+    op.create_foreign_key(
+        "fk_service_entries_service_visit_id_service_visits",
+        "service_entries",
+        "service_visits",
+        ["service_visit_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+    op.add_column("expense_entries", sa.Column("service_visit_id", sa.Integer(), nullable=True))
+    op.create_index("ix_expense_entries_service_visit_id", "expense_entries", ["service_visit_id"])
+    op.create_foreign_key(
+        "fk_expense_entries_service_visit_id_service_visits",
+        "expense_entries",
+        "service_visits",
+        ["service_visit_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+
+    op.add_column("service_employees", sa.Column("invite_token", sa.String(length=96), nullable=True))
+    op.add_column("service_employees", sa.Column("invite_expires_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("service_employees", sa.Column("invite_revoked_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("service_employees", sa.Column("activated_at", sa.DateTime(timezone=True), nullable=True))
+    op.create_index("ix_service_employees_invite_token", "service_employees", ["invite_token"], unique=True)
+
+    op.add_column("service_visits", sa.Column("work_order_number", sa.String(length=40), nullable=True))
+    op.add_column("service_visits", sa.Column("owner_id", sa.Integer(), nullable=True))
+    op.add_column("service_visits", sa.Column("assigned_employee_id", sa.Integer(), nullable=True))
+    op.add_column("service_visits", sa.Column("customer_complaint", sa.Text(), nullable=True))
+    op.add_column("service_visits", sa.Column("diagnosis", sa.Text(), nullable=True))
+    op.add_column("service_visits", sa.Column("service_comment", sa.Text(), nullable=True))
+    op.add_column("service_visits", sa.Column("owner_comment", sa.Text(), nullable=True))
+    op.add_column("service_visits", sa.Column("recommendations_text", sa.Text(), nullable=True))
+    op.add_column("service_visits", sa.Column("attachment_urls", sa.JSON(), nullable=True))
+    op.add_column("service_visits", sa.Column("labor_total", sa.Numeric(12, 2), server_default="0", nullable=False))
+    op.add_column("service_visits", sa.Column("product_total", sa.Numeric(12, 2), server_default="0", nullable=False))
+    op.add_column("service_visits", sa.Column("discount_total", sa.Numeric(12, 2), server_default="0", nullable=False))
+    op.add_column("service_visits", sa.Column("final_total", sa.Numeric(12, 2), server_default="0", nullable=False))
+    op.add_column("service_visits", sa.Column("price_approved_total", sa.Numeric(12, 2), nullable=True))
+    op.add_column("service_visits", sa.Column("approval_required", sa.Boolean(), server_default=sa.text("false"), nullable=False))
+    op.add_column("service_visits", sa.Column("opened_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("service_visits", sa.Column("approved_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("service_visits", sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True))
+    op.create_index("ix_service_visits_work_order_number", "service_visits", ["work_order_number"], unique=True)
+    op.create_index("ix_service_visits_owner_id", "service_visits", ["owner_id"])
+    op.create_index("ix_service_visits_assigned_employee_id", "service_visits", ["assigned_employee_id"])
+    op.create_foreign_key("fk_service_visits_owner_id_users", "service_visits", "users", ["owner_id"], ["id"], ondelete="SET NULL")
+    op.create_foreign_key(
+        "fk_service_visits_assigned_employee_id_service_employees",
+        "service_visits",
+        "service_employees",
+        ["assigned_employee_id"],
+        ["id"],
+        ondelete="SET NULL",
+    )
+
+    op.add_column("service_work_items", sa.Column("category", sa.String(length=80), nullable=True))
+    op.add_column("service_work_items", sa.Column("quantity", sa.Numeric(10, 3), server_default="1", nullable=False))
+    op.add_column("service_work_items", sa.Column("unit", sa.String(length=24), server_default="pcs", nullable=False))
+    op.add_column("service_work_items", sa.Column("unit_price", sa.Numeric(12, 2), nullable=True))
+    op.add_column("service_work_items", sa.Column("discount", sa.Numeric(12, 2), server_default="0", nullable=False))
+    op.add_column("service_work_items", sa.Column("total", sa.Numeric(12, 2), nullable=True))
+    op.add_column("service_work_items", sa.Column("warranty_days", sa.Integer(), nullable=True))
+    op.add_column("service_work_items", sa.Column("warranty_odometer_km", sa.Integer(), nullable=True))
+
+    op.add_column("service_notifications", sa.Column("retry_count", sa.Integer(), server_default="0", nullable=False))
+    op.add_column("service_notifications", sa.Column("last_error", sa.Text(), nullable=True))
+    op.add_column("service_notifications", sa.Column("idempotency_key", sa.String(length=160), nullable=True))
+    op.add_column("service_notifications", sa.Column("sent_at", sa.DateTime(timezone=True), nullable=True))
+    op.add_column("service_notifications", sa.Column("read_at", sa.DateTime(timezone=True), nullable=True))
+    op.create_index("ix_service_notifications_idempotency_key", "service_notifications", ["idempotency_key"], unique=True)
+    op.execute("update service_notifications set status = 'pending' where status = 'unread'")
+
+    op.create_table(
+        "service_product_items",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("service_visit_id", sa.Integer(), nullable=False),
+        sa.Column("title", sa.String(length=180), nullable=False),
+        sa.Column("category", sa.String(length=80), nullable=True),
+        sa.Column("product_type", sa.String(length=40), server_default="other", nullable=False),
+        sa.Column("brand", sa.String(length=80), nullable=True),
+        sa.Column("sku", sa.String(length=120), nullable=True),
+        sa.Column("quantity", sa.Numeric(10, 3), server_default="1", nullable=False),
+        sa.Column("unit", sa.String(length=24), server_default="pcs", nullable=False),
+        sa.Column("unit_price", sa.Numeric(12, 2), server_default="0", nullable=False),
+        sa.Column("discount", sa.Numeric(12, 2), server_default="0", nullable=False),
+        sa.Column("total", sa.Numeric(12, 2), server_default="0", nullable=False),
+        sa.Column("volume", sa.Numeric(8, 3), nullable=True),
+        sa.Column("viscosity", sa.String(length=40), nullable=True),
+        sa.Column("specification", sa.String(length=120), nullable=True),
+        sa.Column("used_volume", sa.Numeric(8, 3), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["service_visit_id"], ["service_visits.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_service_product_items_category", "service_product_items", ["category"])
+    op.create_index("ix_service_product_items_product_type", "service_product_items", ["product_type"])
+    op.create_index("ix_service_product_items_service_visit_id", "service_product_items", ["service_visit_id"])
+
+    op.create_table(
+        "work_order_status_history",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("service_visit_id", sa.Integer(), nullable=False),
+        sa.Column("from_status", sa.String(length=40), nullable=True),
+        sa.Column("to_status", sa.String(length=40), nullable=False),
+        sa.Column("changed_by_user_id", sa.Integer(), nullable=True),
+        sa.Column("comment", sa.Text(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["changed_by_user_id"], ["users.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["service_visit_id"], ["service_visits.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_work_order_status_history_changed_by_user_id", "work_order_status_history", ["changed_by_user_id"])
+    op.create_index("ix_work_order_status_history_created_at", "work_order_status_history", ["created_at"])
+    op.create_index("ix_work_order_status_history_service_visit_id", "work_order_status_history", ["service_visit_id"])
+    op.create_index("ix_work_order_status_history_to_status", "work_order_status_history", ["to_status"])
+
+
+def downgrade() -> None:
+    op.drop_constraint("fk_expense_entries_service_visit_id_service_visits", "expense_entries", type_="foreignkey")
+    op.drop_index("ix_expense_entries_service_visit_id", table_name="expense_entries")
+    op.drop_column("expense_entries", "service_visit_id")
+    op.drop_constraint("fk_service_entries_service_visit_id_service_visits", "service_entries", type_="foreignkey")
+    op.drop_index("ix_service_entries_service_visit_id", table_name="service_entries")
+    op.drop_column("service_entries", "service_visit_id")
+
+    op.drop_index("ix_work_order_status_history_to_status", table_name="work_order_status_history")
+    op.drop_index("ix_work_order_status_history_service_visit_id", table_name="work_order_status_history")
+    op.drop_index("ix_work_order_status_history_created_at", table_name="work_order_status_history")
+    op.drop_index("ix_work_order_status_history_changed_by_user_id", table_name="work_order_status_history")
+    op.drop_table("work_order_status_history")
+
+    op.drop_index("ix_service_product_items_service_visit_id", table_name="service_product_items")
+    op.drop_index("ix_service_product_items_product_type", table_name="service_product_items")
+    op.drop_index("ix_service_product_items_category", table_name="service_product_items")
+    op.drop_table("service_product_items")
+
+    op.drop_index("ix_service_notifications_idempotency_key", table_name="service_notifications")
+    op.drop_column("service_notifications", "read_at")
+    op.drop_column("service_notifications", "sent_at")
+    op.drop_column("service_notifications", "idempotency_key")
+    op.drop_column("service_notifications", "last_error")
+    op.drop_column("service_notifications", "retry_count")
+
+    for column_name in (
+        "warranty_odometer_km",
+        "warranty_days",
+        "total",
+        "discount",
+        "unit_price",
+        "unit",
+        "quantity",
+        "category",
+    ):
+        op.drop_column("service_work_items", column_name)
+
+    op.drop_constraint("fk_service_visits_assigned_employee_id_service_employees", "service_visits", type_="foreignkey")
+    op.drop_constraint("fk_service_visits_owner_id_users", "service_visits", type_="foreignkey")
+    op.drop_index("ix_service_visits_assigned_employee_id", table_name="service_visits")
+    op.drop_index("ix_service_visits_owner_id", table_name="service_visits")
+    op.drop_index("ix_service_visits_work_order_number", table_name="service_visits")
+    for column_name in (
+        "completed_at",
+        "approved_at",
+        "opened_at",
+        "approval_required",
+        "price_approved_total",
+        "final_total",
+        "discount_total",
+        "product_total",
+        "labor_total",
+        "attachment_urls",
+        "recommendations_text",
+        "owner_comment",
+        "service_comment",
+        "diagnosis",
+        "customer_complaint",
+        "assigned_employee_id",
+        "owner_id",
+        "work_order_number",
+    ):
+        op.drop_column("service_visits", column_name)
+
+    op.drop_index("ix_service_employees_invite_token", table_name="service_employees")
+    op.drop_column("service_employees", "activated_at")
+    op.drop_column("service_employees", "invite_revoked_at")
+    op.drop_column("service_employees", "invite_expires_at")
+    op.drop_column("service_employees", "invite_token")

alembic/versions/202605150004_production_guards.py

@@ -0,0 +1,114 @@
+"""production idempotency, corrections and slot guards
+
+Revision ID: 202605150004
+Revises: 202605150003
+Create Date: 2026-05-15 16:00:00.000000
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision: str = "202605150004"
+down_revision: str | None = "202605150003"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.add_column("service_visits", sa.Column("version", sa.Integer(), server_default="1", nullable=False))
+    op.add_column("service_visits", sa.Column("completed_snapshot", sa.JSON(), nullable=True))
+
+    op.create_index(
+        "uq_service_entries_service_visit_id_not_null",
+        "service_entries",
+        ["service_visit_id"],
+        unique=True,
+        postgresql_where=sa.text("service_visit_id is not null"),
+    )
+    op.create_index(
+        "uq_expense_entries_service_visit_id_not_null",
+        "expense_entries",
+        ["service_visit_id"],
+        unique=True,
+        postgresql_where=sa.text("service_visit_id is not null"),
+    )
+    op.create_index(
+        "uq_active_service_appointment_slot",
+        "service_appointments",
+        ["service_center_id", "requested_start_at", "requested_end_at"],
+        unique=True,
+        postgresql_where=sa.text("status in ('requested','confirmed','confirmed_by_sto','proposed_new_time')"),
+    )
+
+    op.create_table(
+        "work_order_corrections",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("service_visit_id", sa.Integer(), nullable=False),
+        sa.Column("requested_by_user_id", sa.Integer(), nullable=True),
+        sa.Column("reason", sa.Text(), nullable=False),
+        sa.Column("proposed_changes", sa.JSON(), nullable=True),
+        sa.Column("status", sa.String(length=24), server_default="pending", nullable=False),
+        sa.Column("owner_approval_required", sa.Boolean(), server_default=sa.text("true"), nullable=False),
+        sa.Column("created_version", sa.Integer(), server_default="1", nullable=False),
+        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["requested_by_user_id"], ["users.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["service_visit_id"], ["service_visits.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_work_order_corrections_created_at", "work_order_corrections", ["created_at"])
+    op.create_index("ix_work_order_corrections_service_visit_id", "work_order_corrections", ["service_visit_id"])
+    op.create_index("ix_work_order_corrections_status", "work_order_corrections", ["status"])
+
+    op.create_table(
+        "inventory_transactions",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("service_center_id", sa.Integer(), nullable=False),
+        sa.Column("service_visit_id", sa.Integer(), nullable=True),
+        sa.Column("product_item_id", sa.Integer(), nullable=True),
+        sa.Column("transaction_type", sa.String(length=32), nullable=False),
+        sa.Column("sku", sa.String(length=120), nullable=True),
+        sa.Column("title", sa.String(length=180), nullable=True),
+        sa.Column("quantity", sa.Numeric(10, 3), server_default="0", nullable=False),
+        sa.Column("unit", sa.String(length=24), server_default="pcs", nullable=False),
+        sa.Column("actor_user_id", sa.Integer(), nullable=True),
+        sa.Column("metadata_json", sa.JSON(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["actor_user_id"], ["users.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["product_item_id"], ["service_product_items.id"], ondelete="SET NULL"),
+        sa.ForeignKeyConstraint(["service_center_id"], ["service_centers.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["service_visit_id"], ["service_visits.id"], ondelete="SET NULL"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_inventory_transactions_actor_user_id", "inventory_transactions", ["actor_user_id"])
+    op.create_index("ix_inventory_transactions_created_at", "inventory_transactions", ["created_at"])
+    op.create_index("ix_inventory_transactions_product_item_id", "inventory_transactions", ["product_item_id"])
+    op.create_index("ix_inventory_transactions_service_center_id", "inventory_transactions", ["service_center_id"])
+    op.create_index("ix_inventory_transactions_service_visit_id", "inventory_transactions", ["service_visit_id"])
+    op.create_index("ix_inventory_transactions_sku", "inventory_transactions", ["sku"])
+    op.create_index("ix_inventory_transactions_transaction_type", "inventory_transactions", ["transaction_type"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_inventory_transactions_transaction_type", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_sku", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_service_visit_id", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_service_center_id", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_product_item_id", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_created_at", table_name="inventory_transactions")
+    op.drop_index("ix_inventory_transactions_actor_user_id", table_name="inventory_transactions")
+    op.drop_table("inventory_transactions")
+
+    op.drop_index("ix_work_order_corrections_status", table_name="work_order_corrections")
+    op.drop_index("ix_work_order_corrections_service_visit_id", table_name="work_order_corrections")
+    op.drop_index("ix_work_order_corrections_created_at", table_name="work_order_corrections")
+    op.drop_table("work_order_corrections")
+
+    op.drop_index("uq_active_service_appointment_slot", table_name="service_appointments")
+    op.drop_index("uq_expense_entries_service_visit_id_not_null", table_name="expense_entries")
+    op.drop_index("uq_service_entries_service_visit_id_not_null", table_name="service_entries")
+    op.drop_column("service_visits", "completed_snapshot")
+    op.drop_column("service_visits", "version")