feat: implement component-item management with CRUD operations and status updates

db/queries/component_item.sql

@@ -0,0 +1,75 @@
+-- name: GetComponentItemByID :one
+SELECT * FROM component_items
+WHERE id = sqlc.arg(id);
+
+-- name: ListComponentItems :many
+SELECT * FROM component_items
+ORDER BY created_at DESC;
+
+-- name: CreateComponentItem :one
+INSERT INTO component_items (component_id,container_id,quantity, status, metadata, created_at)
+VALUES (
+    sqlc.arg(component_id),
+    sqlc.arg(container_id),
+    sqlc.arg(quantity),
+    sqlc.arg(status),
+    sqlc.arg(metadata),
+    sqlc.arg(created_at)
+)
+RETURNING *;
+
+-- name: UpdateComponentItem :one
+UPDATE component_items
+SET component_id = CASE WHEN sqlc.arg(component_id) = '' THEN component_id ELSE sqlc.arg(component_id) END,
+    container_id = CASE WHEN sqlc.arg(container_id) = '' THEN container_id ELSE sqlc.arg(container_id) END,
+    metadata = coalesce(sqlc.arg(metadata), metadata),
+    updated_at = sqlc.arg(updated_at)
+WHERE id = sqlc.arg(id)
+RETURNING *;
+
+-- name: DeleteComponentItem :execrows
+DELETE FROM component_items
+WHERE id = $1;
+
+-- name: UpdateComponentItemStatus :one
+UPDATE component_items
+SET status = sqlc.arg(status),
+    updated_at = sqlc.arg(updated_at)
+WHERE id = sqlc.arg(id)
+RETURNING *;
+
+-- name: UpdateComponentItemQuantity :one
+UPDATE component_items
+SET quantity = sqlc.arg(quantity),
+    updated_at = sqlc.arg(updated_at)
+WHERE id = sqlc.arg(id)
+RETURNING *;
+
+-- name: GetComponentItemByComponentContainerStatus :one
+SELECT * FROM component_items
+WHERE component_id = sqlc.arg(component_id)
+  AND container_id = sqlc.arg(container_id)
+  AND status = sqlc.arg(status);
+
+-- name: FindComponentItem :many
+SELECT
+    c.name AS component_name,
+    ct.name AS type_name,
+    ci.quantity,
+    ci.status,
+    cn.name AS container_name,
+    cn.container_type,
+    s.name AS shelf_name,
+    cb.name AS cabinet_name,
+    r.name AS room_name,
+    w.name AS warehouse_name
+FROM component_items ci
+JOIN components c ON ci.component_id = c.id
+JOIN component_types ct ON c.component_type_id = ct.id
+JOIN containers cn ON ci.container_id = cn.id
+JOIN shelves s ON cn.shelf_id = s.id
+JOIN cabinets cb ON s.cabinet_id = cb.id
+JOIN rooms r ON cb.room_id = r.id
+JOIN warehouses w ON r.warehouse_id = w.id
+WHERE ci.component_id = sqlc.arg(componentId) AND ci.quantity > 0;
+

db/queries/component_status_history.sql

@@ -0,0 +1,15 @@
+-- name: CreateComponentStatusHistory :one
+INSERT INTO component_status_history (
+    component_item_id, old_status, new_status,
+    changed_quantity, note, changed_by, changed_at
+)
+VALUES (
+    sqlc.arg(component_item_id),
+    sqlc.arg(old_status),
+    sqlc.arg(new_status),
+    sqlc.arg(changed_quantity),
+    sqlc.arg(note),
+    sqlc.arg(changed_by),
+    sqlc.arg(changed_at)
+)
+RETURNING *;