fix further bugs

bizmatch-server/src/listings/commercial-property-listings.controller.ts

@@ -40,9 +40,10 @@ export class CommercialPropertyListingsController {
     this.logger.info(`Save Listing`);
     return await this.listingsService.updateListing(listing.id, listing, commercials);
   }
-  @Delete(':id')
-  deleteById(@Param('id') id: string) {
+  @Delete(':id/:imagePath')
+  deleteById(@Param('id') id: string, @Param('imagePath') imagePath: string) {
     this.listingsService.deleteListing(id, commercials);
+    this.fileService.deleteDirectoryIfExists(imagePath);
   }
 
   @Put('imageOrder/:id')