mock shop page: can delete listings

internal/domains/accounts/mocks.go

@@ -365,6 +365,41 @@ func (db *Store) UpdateMockListing(ctx context.Context, listing MockListing) err
 	return nil
 }
 
+func (db *Store) DeleteMockListing(ctx context.Context, ids AccountShopListingIDs) error {
+	_, listingTableName, err := getMockShopAndListingsTableNames(ids.Platform)
+	if err != nil {
+		return err
+	}
+
+	tag, err := db.db.Exec(
+		ctx,
+		fmt.Sprintf(
+			`
+				DELETE FROM
+					%s
+				WHERE
+					account_id = @account_id
+					AND shop_id = @shop_id
+					AND listing_id = @listing_id
+			`,
+			listingTableName,
+		),
+		pgx.NamedArgs{
+			"account_id": ids.AccountID,
+			"shop_id":    ids.ShopID,
+			"listing_id": ids.ListingID,
+		},
+	)
+	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 {