refactor: adding JSON import/export functions to UserCollections module (HBE-169) (#37)

* feat: created exportUserCollectionsToJSON mutation for UserCollection module

* chore: added comments to export functions

* chore: added type and user ownership checking to creation methods

* chore: replaced request property with spread request object instead

* chore: completed all changes requested in inital review of PR

* chore: explicitly exporting request title in export function

* chore: explicitly exporting request title in export function

* chore: added codegen folder to gitignore

* chore: removed gql-code gen file from repo

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

@@ -24,6 +24,7 @@ import { PaginationArgs } from 'src/types/input-types.args';
 import {
   CreateChildUserCollectionArgs,
   CreateRootUserCollectionArgs,
+  ImportUserCollectionsFromJSONArgs,
   MoveUserCollectionArgs,
   RenameUserCollectionsArgs,
   UpdateUserCollectionArgs,
@@ -139,6 +140,32 @@ export class UserCollectionResolver {
     return userCollection.right;
   }
 
+  @Query(() => String, {
+    description:
+      'Returns the JSON string giving the collections and their contents of a user',
+  })
+  @UseGuards(GqlAuthGuard)
+  async exportUserCollectionsToJSON(
+    @GqlUser() user: AuthUser,
+    @Args({
+      type: () => ID,
+      name: 'collectionID',
+      description: 'ID of the user collection',
+      nullable: true,
+      defaultValue: null,
+    })
+    collectionID: string,
+  ) {
+    const jsonString =
+      await this.userCollectionService.exportUserCollectionsToJSON(
+        user.uid,
+        collectionID,
+      );
+
+    if (E.isLeft(jsonString)) throwErr(jsonString.left as string);
+    return jsonString.right;
+  }
+
   // Mutations
   @Mutation(() => UserCollection, {
     description: 'Creates root REST user collection(no parent user collection)',
@@ -300,6 +327,25 @@ export class UserCollectionResolver {
     return res.right;
   }
 
+  @Mutation(() => Boolean, {
+    description: 'Import collections from JSON string to the specified Team',
+  })
+  @UseGuards(GqlAuthGuard)
+  async importUserCollectionsFromJSON(
+    @Args() args: ImportUserCollectionsFromJSONArgs,
+    @GqlUser() user: AuthUser,
+  ) {
+    const importedCollection =
+      await this.userCollectionService.importCollectionsFromJSON(
+        args.jsonString,
+        user.uid,
+        args.parentCollectionID,
+        args.reqType,
+      );
+    if (E.isLeft(importedCollection)) throwErr(importedCollection.left);
+    return importedCollection.right;
+  }
+
   // Subscriptions
   @Subscription(() => UserCollection, {
     description: 'Listen for User Collection Creation',