Supply archive fidelity: frozen posts keep dinner names as frozen (Maestro 22f80eb6) (#201)

Co-authored-by: orchestrator-agent <20+orchestrator-agent@code.cubecraftcreations.com>

internal/db/models.go

@@ -255,13 +255,14 @@ type Session struct {
 }
 
 type ShoppingGroup struct {
-	ID        string
-	ListID    string
-	DinnerID  string
-	Date      string
-	Position  int64
-	CreatedAt string
-	UpdatedAt string
+	ID               string
+	ListID           string
+	DinnerID         string
+	Date             string
+	Position         int64
+	CreatedAt        string
+	UpdatedAt        string
+	FrozenDinnerName sql.NullString
 }
 
 type ShoppingItem struct {

internal/db/querier.go

@@ -107,6 +107,9 @@ type Querier interface {
 	// Records a pending or running batch as done or failed; a batch already
 	// finished is left as it is (0 rows).
 	FinishSuggestionBatch(ctx context.Context, arg FinishSuggestionBatchParams) (int64, error)
+	// Keeps the name each dinner of list list_id has now as its group's
+	// frozen_dinner_name, as the list is frozen into the Supply archive.
+	FreezeShoppingGroupNames(ctx context.Context, listID string) error
 	// Freezes list id into the Supply archive at frozen_at, unless it is
 	// frozen already.
 	FreezeShoppingList(ctx context.Context, arg FreezeShoppingListParams) (int64, error)
@@ -228,7 +231,8 @@ type Querier interface {
 	ListRecentPassedNames(ctx context.Context, limit int64) ([]string, error)
 	ListRecipeIngredients(ctx context.Context, recipeID string) ([]RecipeIngredient, error)
 	ListRecipeSteps(ctx context.Context, recipeID string) ([]RecipeStep, error)
-	// The groups of list list_id with their dinner's name, in list order.
+	// The groups of list list_id with their dinner's name now, in list order.
+	// A group of a frozen list shows its frozen_dinner_name instead.
 	ListShoppingGroupDinners(ctx context.Context, listID string) ([]ListShoppingGroupDinnersRow, error)
 	// The groups of list list_id, in list order.
 	ListShoppingGroups(ctx context.Context, listID string) ([]ShoppingGroup, error)

internal/db/shopping.sql.go

@@ -155,6 +155,19 @@ func (q *Queries) DeleteShoppingItem(ctx context.Context, id string) error {
 	return err
 }
 
+const freezeShoppingGroupNames = `-- name: FreezeShoppingGroupNames :exec
+UPDATE shopping_groups
+SET frozen_dinner_name = (SELECT dinners.name FROM dinners WHERE dinners.id = shopping_groups.dinner_id)
+WHERE list_id = ?
+`
+
+// Keeps the name each dinner of list list_id has now as its group's
+// frozen_dinner_name, as the list is frozen into the Supply archive.
+func (q *Queries) FreezeShoppingGroupNames(ctx context.Context, listID string) error {
+	_, err := q.db.ExecContext(ctx, freezeShoppingGroupNames, listID)
+	return err
+}
+
 const freezeShoppingList = `-- name: FreezeShoppingList :execrows
 UPDATE shopping_lists
 SET status = 'archived', frozen_at = ?, updated_at = ?
@@ -235,7 +248,7 @@ func (q *Queries) GetShoppingList(ctx context.Context, weekStart string) (Shoppi
 }
 
 const listShoppingGroupDinners = `-- name: ListShoppingGroupDinners :many
-SELECT shopping_groups.id, shopping_groups.list_id, shopping_groups.dinner_id, shopping_groups.date, shopping_groups.position, shopping_groups.created_at, shopping_groups.updated_at, dinners.name AS dinner_name
+SELECT shopping_groups.id, shopping_groups.list_id, shopping_groups.dinner_id, shopping_groups.date, shopping_groups.position, shopping_groups.created_at, shopping_groups.updated_at, shopping_groups.frozen_dinner_name, dinners.name AS dinner_name
 FROM shopping_groups
 JOIN dinners ON dinners.id = shopping_groups.dinner_id
 WHERE shopping_groups.list_id = ?
@@ -247,7 +260,8 @@ type ListShoppingGroupDinnersRow struct {
 	DinnerName    string
 }
 
-// The groups of list list_id with their dinner's name, in list order.
+// The groups of list list_id with their dinner's name now, in list order.
+// A group of a frozen list shows its frozen_dinner_name instead.
 func (q *Queries) ListShoppingGroupDinners(ctx context.Context, listID string) ([]ListShoppingGroupDinnersRow, error) {
 	rows, err := q.db.QueryContext(ctx, listShoppingGroupDinners, listID)
 	if err != nil {
@@ -265,6 +279,7 @@ func (q *Queries) ListShoppingGroupDinners(ctx context.Context, listID string) (
 			&i.ShoppingGroup.Position,
 			&i.ShoppingGroup.CreatedAt,
 			&i.ShoppingGroup.UpdatedAt,
+			&i.ShoppingGroup.FrozenDinnerName,
 			&i.DinnerName,
 		); err != nil {
 			return nil, err
@@ -281,7 +296,7 @@ func (q *Queries) ListShoppingGroupDinners(ctx context.Context, listID string) (
 }
 
 const listShoppingGroups = `-- name: ListShoppingGroups :many
-SELECT id, list_id, dinner_id, date, position, created_at, updated_at FROM shopping_groups
+SELECT id, list_id, dinner_id, date, position, created_at, updated_at, frozen_dinner_name FROM shopping_groups
 WHERE list_id = ?
 ORDER BY position, id
 `
@@ -304,6 +319,7 @@ func (q *Queries) ListShoppingGroups(ctx context.Context, listID string) ([]Shop
 			&i.Position,
 			&i.CreatedAt,
 			&i.UpdatedAt,
+			&i.FrozenDinnerName,
 		); err != nil {
 			return nil, err
 		}