chore: addition of new GQL subscription for UserCollection duplication (#4358)

Co-authored-by: jamesgeorge007 <25279263+jamesgeorge007@users.noreply.github.com>

packages/hoppscotch-backend/src/pubsub/topicsDefs.ts

@@ -23,6 +23,7 @@ import { TeamInvitation } from 'src/team-invitation/team-invitation.model';
 import { InvitedUser } from '../admin/invited-user.model';
 import {
   UserCollection,
+  UserCollectionDuplicatedData,
   UserCollectionRemovedData,
   UserCollectionReorderData,
 } from 'src/user-collection/user-collections.model';
@@ -48,6 +49,7 @@ export type TopicDef = {
   [
     topic: `user_coll/${string}/${'created' | 'updated' | 'moved'}`
   ]: UserCollection;
+  [topic: `user_coll/${string}/${'duplicated'}`]: UserCollectionDuplicatedData;
   [topic: `user_coll/${string}/${'deleted'}`]: UserCollectionRemovedData;
   [topic: `user_coll/${string}/${'order_updated'}`]: UserCollectionReorderData;
   [topic: `team/${string}/member_removed`]: string;

packages/hoppscotch-backend/src/user-collection/user-collection.resolver.ts

@@ -16,6 +16,7 @@ import { AuthUser } from 'src/types/AuthUser';
 import { UserCollectionService } from './user-collection.service';
 import {
   UserCollection,
+  UserCollectionDuplicatedData,
   UserCollectionExportJSONData,
   UserCollectionRemovedData,
   UserCollectionReorderData,
@@ -470,4 +471,14 @@ export class UserCollectionResolver {
   userCollectionOrderUpdated(@GqlUser() user: AuthUser) {
     return this.pubSub.asyncIterator(`user_coll/${user.uid}/order_updated`);
   }
+
+  @Subscription(() => UserCollectionDuplicatedData, {
+    description: 'Listen to when a User Collection has been duplicated',
+    resolve: (value) => value,
+  })
+  @SkipThrottle()
+  @UseGuards(GqlAuthGuard)
+  userCollectionDuplicated(@GqlUser() user: AuthUser) {
+    return this.pubSub.asyncIterator(`user_coll/${user.uid}/duplicated`);
+  }
 }

packages/hoppscotch-backend/src/user-collection/user-collection.service.ts

@@ -23,6 +23,7 @@ import { Prisma, UserCollection, ReqType as DBReqType } from '@prisma/client';
 import {
   UserCollection as UserCollectionModel,
   UserCollectionExportJSONData,
+  UserCollectionDuplicatedData,
 } from './user-collections.model';
 import { ReqType } from 'src/types/RequestTypes';
 import {
@@ -1035,6 +1036,7 @@ export class UserCollectionService {
     userID: string,
     destCollectionID: string | null,
     reqType: DBReqType,
+    isCollectionDuplication = false,
   ) {
     // Check to see if jsonString is valid
     const collectionsList = stringToJson<CollectionFolder[]>(jsonString);
@@ -1087,9 +1089,24 @@ export class UserCollectionService {
       ),
     );
 
-    userCollections.forEach((collection) =>
-      this.pubsub.publish(`user_coll/${userID}/created`, this.cast(collection)),
-    );
+    if (isCollectionDuplication) {
+      const collectionData = await this.fetchCollectionData(
+        userCollections[0].id,
+      );
+      if (E.isRight(collectionData)) {
+        this.pubsub.publish(
+          `user_coll/${userID}/duplicated`,
+          collectionData.right,
+        );
+      }
+    } else {
+      userCollections.forEach((collection) =>
+        this.pubsub.publish(
+          `user_coll/${userID}/created`,
+          this.cast(collection),
+        ),
+      );
+    }
 
     return E.right(true);
   }
@@ -1182,9 +1199,66 @@ export class UserCollectionService {
       userID,
       collection.right.parentID,
       reqType,
+      true,
     );
     if (E.isLeft(result)) return E.left(result.left as string);
 
     return E.right(true);
   }
+
+  /**
+   * Generates a JSON containing all the contents of a collection
+   *
+   * @param collection Collection whose details we want to fetch
+   * @returns A JSON string containing all the contents of a collection
+   */
+  private async fetchCollectionData(
+    collectionID: string,
+  ): Promise<E.Left<string> | E.Right<UserCollectionDuplicatedData>> {
+    const collection = await this.getUserCollection(collectionID);
+    if (E.isLeft(collection)) return E.left(collection.left);
+
+    const { id, title, data, type, parentID, userUid } = collection.right;
+    const orderIndex = 'asc';
+
+    const [childCollections, requests] = await Promise.all([
+      this.prisma.userCollection.findMany({
+        where: { parentID: id },
+        orderBy: { orderIndex },
+      }),
+      this.prisma.userRequest.findMany({
+        where: { collectionID: id },
+        orderBy: { orderIndex },
+      }),
+    ]);
+
+    const childCollectionDataList = await Promise.all(
+      childCollections.map(({ id }) => this.fetchCollectionData(id)),
+    );
+
+    const failedChildData = childCollectionDataList.find(E.isLeft);
+    if (failedChildData) return E.left(failedChildData.left);
+
+    const childCollectionsJSONStr = JSON.stringify(
+      (childCollectionDataList as E.Right<UserCollectionDuplicatedData>[]).map(
+        (childCollection) => childCollection.right,
+      ),
+    );
+
+    const transformedRequests = requests.map((requestObj) => ({
+      ...requestObj,
+      request: JSON.stringify(requestObj.request),
+    }));
+
+    return E.right(<UserCollectionDuplicatedData>{
+      id,
+      title,
+      data,
+      type,
+      parentID,
+      userID: userUid,
+      childCollections: childCollectionsJSONStr,
+      requests: transformedRequests,
+    });
+  }
 }

packages/hoppscotch-backend/src/user-collection/user-collections.model.ts

@@ -1,5 +1,7 @@
 import { ObjectType, Field, ID, registerEnumType } from '@nestjs/graphql';
+import { User } from '@prisma/client';
 import { ReqType } from 'src/types/RequestTypes';
+import { UserRequest } from 'src/user-request/user-request.model';
 
 @ObjectType()
 export class UserCollection {
@@ -73,3 +75,52 @@ export class UserCollectionExportJSONData {
   })
   collectionType: ReqType;
 }
+
+@ObjectType()
+export class UserCollectionDuplicatedData {
+  @Field(() => ID, {
+    description: 'ID of the user collection',
+  })
+  id: string;
+
+  @Field({
+    description: 'Displayed title of the user collection',
+  })
+  title: string;
+
+  @Field({
+    description: 'JSON string representing the collection data',
+    nullable: true,
+  })
+  data: string;
+
+  @Field(() => ReqType, {
+    description: 'Type of the user collection',
+  })
+  type: ReqType;
+
+  @Field({
+    description: 'Parent ID of the duplicated User Collection',
+    nullable: true,
+  })
+  parentID: string | null;
+
+  @Field({
+    description: 'User ID of the duplicated User Collection',
+  })
+  userID: string;
+
+  @Field({
+    description: 'Child collections of the duplicated User Collection',
+  })
+  childCollections: string;
+
+  @Field(() => [UserRequest], {
+    description: 'Requests of the duplicated User Collection',
+  })
+  requests: UserRequest[];
+}
+
+registerEnumType(ReqType, {
+  name: 'CollType',
+});