define a generic folder

src/generic/dto/coordinate.dto.ts

@@ -0,0 +1,20 @@
+import { IsNotEmpty, IsLatitude, IsLongitude } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+
+export class CoordinateDto {
+  @IsNotEmpty()
+  @ApiProperty({
+    description: 'The latitudinal component',
+    example: 42.8402,
+  })
+  @IsLatitude()
+  latitude: number;
+
+  @IsNotEmpty()
+  @ApiProperty({
+    description: 'The longitudinal component',
+    example: 18.8402,
+  })
+  @IsLongitude()
+  longitude: number;
+}

src/generic/dto/waypoint.dto.ts

@@ -0,0 +1,19 @@
+import { IsNotEmpty } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+import { CoordinateDto } from './coordinate.dto';
+
+export class WaypointDto {
+  @IsNotEmpty()
+  @ApiProperty({
+    description: 'The unique waypoint code',
+    example: 'KETAP',
+  })
+  identifier: string;
+
+  @IsNotEmpty()
+  @ApiProperty({
+    description: 'The latitudinal component',
+    example: 42.8402,
+  })
+  coordinate: CoordinateDto;
+}