Merge branch 'InSantoshMahto-master'

Author: kamilmysliwiec

lib/index.ts

@@ -4,4 +4,5 @@ export * from './errors';
 export * from './factories';
 export * from './interfaces';
 export * from './mongoose.module';
+export * from './pipes';
 export * from './utils';

lib/pipes/index.ts

@@ -0,0 +1,2 @@
+export * from './is-object-id.pipe';
+export * from './parse-object-id.pipe';

lib/pipes/is-object-id.pipe.ts

@@ -0,0 +1,17 @@
+import { BadRequestException, Injectable, PipeTransform } from '@nestjs/common';
+import { Types } from 'mongoose';
+
+@Injectable()
+export class IsObjectIdPipe implements PipeTransform {
+  transform(value: string): string {
+    const isValidObjectId = Types.ObjectId.isValid(value);
+
+    if (!isValidObjectId) {
+      throw new BadRequestException(
+        `Invalid ObjectId: '${value}' is not a valid MongoDB ObjectId`,
+      );
+    }
+
+    return value;
+  }
+}

lib/pipes/parse-object-id.pipe.ts

@@ -0,0 +1,17 @@
+import { BadRequestException, Injectable, PipeTransform } from '@nestjs/common';
+import { Types } from 'mongoose';
+
+@Injectable()
+export class ParseObjectIdPipe implements PipeTransform {
+  transform(value: string): Types.ObjectId {
+    const isValidObjectId = Types.ObjectId.isValid(value);
+
+    if (!isValidObjectId) {
+      throw new BadRequestException(
+        `Invalid ObjectId: '${value}' is not a valid MongoDB ObjectId`,
+      );
+    }
+
+    return new Types.ObjectId(value);
+  }
+}