feat: Organization services

common/validators/at-least-one-field.ts

@@ -0,0 +1,26 @@
+import {
+  registerDecorator,
+  ValidationArguments,
+  ValidationOptions,
+} from 'class-validator';
+
+export function AtLeastOneField(validationOptions?: ValidationOptions) {
+  return function (constructor: Function) {
+    registerDecorator({
+      name: 'atLeastOneField',
+      target: constructor,
+      propertyName: undefined as any, // important for class-level
+      options: validationOptions,
+      validator: {
+        validate(_: any, args: ValidationArguments) {
+          const object = args.object as Record<string, any>;
+
+          return Object.values(object).some((value) => value !== undefined);
+        },
+        defaultMessage() {
+          return 'At least one field must be provided';
+        },
+      },
+    });
+  };
+}

common/validators/index.ts

@@ -0,0 +1 @@
+export * from './at-least-one-field';

common/validators/query-uuid.dto.ts

@@ -0,0 +1,6 @@
+import { IsUUID } from 'class-validator';
+
+export class UUIDQueryDTO {
+  @IsUUID()
+  id: string;
+}