add foreign key service methods

ui/hv2-ui/src/app/data-object-service.ts.tmpl

@@ -50,6 +50,17 @@ export class ${JsNameConverter($table.name)}Service {
   }
 #end if
 
+
+#for $column in $table.columns
+#if (('foreignkey' in $column) and $column.foreignkey)
+  async get${JsNameConverter($table.name)}sBy${JsNameConverter($column.name)}(id: number): Promise<${JsNameConverter($table.name)}[]> {
+    this.messageService.add(`${JsNameConverter($table.name)}Service: get data by ${JsNameConverter($column.name)} \${id}`);
+    return this.http.get<${JsNameConverter($table.name)}[]>(`\${serviceBaseUrl}/v1/${table.name}s/${column.name}/\${id}`).toPromise()
+  }
+
+#end if
+#end for
+
 }
 
 #end for