feat: user invitation revoke mutation added

packages/hoppscotch-backend/src/admin/admin.resolver.ts

@@ -269,6 +269,27 @@ export class AdminResolver {
     return invitedUser.right;
   }
 
+  @Mutation(() => Boolean, {
+    description: 'Revoke a user invite by invitee email',
+  })
+  @UseGuards(GqlAuthGuard, GqlAdminGuard)
+  async revokeUserInvitationByAdmin(
+    @GqlAdmin() adminUser: Admin,
+    @Args({
+      name: 'inviteeEmail',
+      description: 'Invite Email',
+      type: () => ID,
+    })
+    inviteeEmail: string,
+  ): Promise<boolean> {
+    const invite = await this.adminService.revokeUserInvite(
+      inviteeEmail,
+      adminUser.uid,
+    );
+    if (E.isLeft(invite)) throwErr(invite.left);
+    return invite.right;
+  }
+
   @Mutation(() => Boolean, {
     description: 'Delete an user account from infra',
   })
@@ -471,4 +492,14 @@ export class AdminResolver {
   userInvited(@GqlUser() admin: AuthUser) {
     return this.pubsub.asyncIterator(`admin/${admin.uid}/invited`);
   }
+
+  @Subscription(() => InvitedUser, {
+    description: 'Listen for User Invite Revocation',
+    resolve: (value) => value,
+  })
+  @SkipThrottle()
+  @UseGuards(GqlAuthGuard, GqlAdminGuard)
+  userRevoked(@GqlUser() admin: AuthUser) {
+    return this.pubsub.asyncIterator(`admin/${admin.uid}/invitation_revoked`);
+  }
 }

packages/hoppscotch-backend/src/admin/admin.service.ts

@@ -13,6 +13,7 @@ import {
   TEAM_INVITE_ALREADY_MEMBER,
   TEAM_INVITE_NO_INVITE_FOUND,
   USER_ALREADY_INVITED,
+  USER_INVITATION_NOT_FOUND,
   USER_IS_ADMIN,
   USER_NOT_FOUND,
 } from '../errors';
@@ -110,6 +111,35 @@ export class AdminService {
     return E.right(invitedUser);
   }
 
+  /**
+   * Revoke infra level user invitation
+   * @param inviteeEmail Invitee's email
+   * @param adminUid Admin Uid
+   * @returns an Either of array of `InvitedUser` object or error string
+   */
+  async revokeUserInvite(inviteeEmail: string, adminUid: string) {
+    try {
+      const deletedInvitee = await this.prisma.invitedUsers.delete({
+        where: {
+          inviteeEmail,
+        },
+      });
+
+      const invitedUser = <InvitedUser>{
+        adminEmail: deletedInvitee.adminEmail,
+        adminUid: deletedInvitee.adminUid,
+        inviteeEmail: deletedInvitee.inviteeEmail,
+        invitedOn: deletedInvitee.invitedOn,
+      };
+
+      this.pubsub.publish(`admin/${adminUid}/invitation_revoked`, invitedUser);
+
+      return E.right(true);
+    } catch (error) {
+      return E.left(USER_INVITATION_NOT_FOUND);
+    }
+  }
+
   /**
    * Fetch the list of invited users by the admin.
    * @returns an Either of array of `InvitedUser` object or error

packages/hoppscotch-backend/src/errors.ts

@@ -99,6 +99,12 @@ export const USER_IS_OWNER = 'user/is_owner' as const;
  */
 export const USER_IS_ADMIN = 'user/is_admin' as const;
 
+/**
+ * User invite deletion failure error due to invitation not found
+ * (AdminService)
+ */
+export const USER_INVITATION_NOT_FOUND = 'user/invitation_not_found' as const;
+
 /**
  * Teams not found
  * (TeamsService)

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

@@ -31,7 +31,7 @@ import { Shortcode } from 'src/shortcode/shortcode.model';
 // A custom message type that defines the topic and the corresponding payload.
 // For every module that publishes a subscription add its type def and the possible subscription type.
 export type TopicDef = {
-  [topic: `admin/${string}/${'invited'}`]: InvitedUser;
+  [topic: `admin/${string}/${'invited' | 'invitation_revoked'}`]: InvitedUser;
   [topic: `user/${string}/${'updated' | 'deleted'}`]: User;
   [topic: `user_settings/${string}/${'created' | 'updated'}`]: UserSettings;
   [