mock shop page allows updating of listings

internal/domains/accounts/mocks.go

@@ -309,7 +309,7 @@ func (db *Store) CreateMockListing(ctx context.Context, listing MockListing) (Mo
 			"sku":         listing.SKU,
 			"name":        listing.Name,
 			"description": listing.Description,
-			"count":       listing.Count + 5,
+			"count":       listing.Count,
 		},
 	)
 	if err != nil {
@@ -322,6 +322,49 @@ func (db *Store) CreateMockListing(ctx context.Context, listing MockListing) (Mo
 	return listing, nil
 }
 
+// UpdateMockListing updates a mock listing, but not it's count
+func (db *Store) UpdateMockListing(ctx context.Context, listing MockListing) error {
+	_, listingTableName, err := getMockShopAndListingsTableNames(listing.Platform)
+	if err != nil {
+		return err
+	}
+
+	tag, err := db.db.Exec(
+		ctx,
+		fmt.Sprintf(
+			`
+				UPDATE
+					%s
+				SET
+					sku = @sku,
+					name = @name,
+					description = @description
+				WHERE
+					account_id = @account_id
+					AND shop_id = @shop_id
+					AND listing_id = @listing_id
+			`,
+			listingTableName,
+		),
+		pgx.NamedArgs{
+			"account_id":  listing.AccountID,
+			"shop_id":     listing.ShopID,
+			"listing_id":  listing.ListingID,
+			"sku":         listing.SKU,
+			"name":        listing.Name,
+			"description": listing.Description,
+		},
+	)
+	if err != nil {
+		return fmt.Errorf("failed to perform query: %w", err)
+	}
+	if tag.RowsAffected() == 0 {
+		return fmt.Errorf("%w: listing not found", consts.ErrNotFound)
+	}
+
+	return nil
+}
+
 func (db *Store) ListMockListingsForShop(ctx context.Context, acctID int64, platform Platform, shopID string) ([]MockListing, error) {
 	shopTableName, listingsTableName, err := getMockShopAndListingsTableNames(platform)
 	if err != nil {