stubbed updating of saved mock listing

internal/domains/accounts/mocks.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgtype"
 )
 
 type (
@@ -354,8 +355,8 @@ func (db *Store) ListMockListingsForShop(ctx context.Context, acctID int64, plat
 				ON
 					TRUE
 				WHERE
-					account_id = @account_id
-					AND shop_id = @shop_id
+					(account_id IS NULL OR account_id = @account_id)
+					AND (shop_id IS NULL OR shop_id = @shop_id)
 			`,
 			shopTableName,
 			listingsTableName,
@@ -371,11 +372,11 @@ func (db *Store) ListMockListingsForShop(ctx context.Context, acctID int64, plat
 
 	vs, err := pgx.CollectRows(rows, pgx.RowToStructByNameLax[struct {
 		Shop_exists bool
-		Listing_id  string
-		SKU         string
-		Name        string
-		Description string
-		Count       int64
+		Listing_id  pgtype.Text
+		SKU         pgtype.Text
+		Name        pgtype.Text
+		Description pgtype.Text
+		Count       pgtype.Int8
 	}])
 	if err != nil {
 		return nil, fmt.Errorf("failed to scan rows: %w", err)
@@ -384,9 +385,10 @@ func (db *Store) ListMockListingsForShop(ctx context.Context, acctID int64, plat
 	// check if the shop exists, and confirm there were actually listings (LEFT JOIN)
 
 	if len(vs) == 0 || !vs[0].Shop_exists {
+		fmt.Println("TEST")
 		return nil, fmt.Errorf("%w: shop not found", consts.ErrNotFound)
 	}
-	if vs[0].SKU == "" {
+	if !vs[0].SKU.Valid {
 		return nil, nil
 	}
 
@@ -401,12 +403,12 @@ func (db *Store) ListMockListingsForShop(ctx context.Context, acctID int64, plat
 					Platform: platform,
 					ShopID:   shopID,
 				},
-				ListingID: v.Listing_id,
+				ListingID: v.Listing_id.String,
 			},
-			SKU:         v.SKU,
-			Name:        v.Name,
-			Description: v.Description,
-			Count:       v.Count,
+			SKU:         v.SKU.String,
+			Name:        v.Name.String,
+			Description: v.Description.String,
+			Count:       v.Count.Int64,
 		}
 	}