From abaddd94a51236dc3615763e57a92a489fb66025 Mon Sep 17 00:00:00 2001
From: mirarifhasan <arif.ishan05@gmail.com>
Date: Thu, 25 Jan 2024 17:50:25 +0600
Subject: [PATCH] feat: fetchAllUsersV2 added with search-sort-offset
 pagination

---
 .../src/admin/admin.service.ts                | 17 +++++++++
 .../src/admin/infra.resolver.ts               | 21 ++++++++++
 .../src/user/user.service.ts                  | 38 +++++++++++++++++++
 3 files changed, 76 insertions(+)

diff --git a/packages/hoppscotch-backend/src/admin/admin.service.ts b/packages/hoppscotch-backend/src/admin/admin.service.ts
index 6ba983a12..c4e1c579d 100644
--- a/packages/hoppscotch-backend/src/admin/admin.service.ts
+++ b/packages/hoppscotch-backend/src/admin/admin.service.ts
@@ -56,6 +56,23 @@ export class AdminService {
     return allUsers;
   }
 
+  /**
+   * Fetch all the users in the infra.
+   * @param searchString search on users displayName or email
+   * @param paginationOption pagination options
+   * @returns an Either of array of user or error
+   */
+  async fetchUsersV2(
+    searchString: string,
+    paginationOption: OffsetPaginationArgs,
+  ) {
+    const allUsers = await this.userService.fetchAllUsersV2(
+      searchString,
+      paginationOption,
+    );
+    return allUsers;
+  }
+
   /**
    * Invite a user to join the infra.
    * @param adminUID Admin's UID
diff --git a/packages/hoppscotch-backend/src/admin/infra.resolver.ts b/packages/hoppscotch-backend/src/admin/infra.resolver.ts
index 348ec6cf5..459c95c84 100644
--- a/packages/hoppscotch-backend/src/admin/infra.resolver.ts
+++ b/packages/hoppscotch-backend/src/admin/infra.resolver.ts
@@ -79,6 +79,7 @@ export class InfraResolver {
 
   @ResolveField(() => [User], {
     description: 'Returns a list of all the users in infra',
+    deprecationReason: 'Use allUsersV2 instead',
   })
   @UseGuards(GqlAuthGuard, GqlAdminGuard)
   async allUsers(@Args() args: PaginationArgs): Promise<AuthUser[]> {
@@ -86,6 +87,26 @@ export class InfraResolver {
     return users;
   }
 
+  @ResolveField(() => [User], {
+    description: 'Returns a list of all the users in infra',
+  })
+  @UseGuards(GqlAuthGuard, GqlAdminGuard)
+  async allUsersV2(
+    @Args({
+      name: 'searchString',
+      nullable: true,
+      description: 'Search on users displayName or email',
+    })
+    searchString: string,
+    @Args() paginationOption: OffsetPaginationArgs,
+  ): Promise<AuthUser[]> {
+    const users = await this.adminService.fetchUsersV2(
+      searchString,
+      paginationOption,
+    );
+    return users;
+  }
+
   @ResolveField(() => [InvitedUser], {
     description: 'Returns a list of all the invited users',
   })
diff --git a/packages/hoppscotch-backend/src/user/user.service.ts b/packages/hoppscotch-backend/src/user/user.service.ts
index 196c47182..864beb6e2 100644
--- a/packages/hoppscotch-backend/src/user/user.service.ts
+++ b/packages/hoppscotch-backend/src/user/user.service.ts
@@ -15,6 +15,7 @@ import { PubSubService } from 'src/pubsub/pubsub.service';
 import { stringToJson, taskEitherValidateArraySeq } from 'src/utils';
 import { UserDataHandler } from './user.data.handler';
 import { User as DbUser } from '@prisma/client';
+import { OffsetPaginationArgs } from 'src/types/input-types.args';
 
 @Injectable()
 export class UserService {
@@ -296,6 +297,43 @@ export class UserService {
     return fetchedUsers;
   }
 
+  /**
+   * Fetch all the users in the `User` table based on cursor
+   * @param searchString search on user's displayName or email
+   * @param paginationOption pagination options
+   * @returns an array of `User` object
+   */
+  async fetchAllUsersV2(
+    searchString: string,
+    paginationOption: OffsetPaginationArgs,
+  ) {
+    const fetchedUsers = await this.prisma.user.findMany({
+      skip: paginationOption.skip,
+      take: paginationOption.take,
+      where: searchString
+        ? {
+            OR: [
+              {
+                displayName: {
+                  contains: searchString,
+                  mode: 'insensitive',
+                },
+              },
+              {
+                email: {
+                  contains: searchString,
+                  mode: 'insensitive',
+                },
+              },
+            ],
+          }
+        : undefined,
+      orderBy: [{ isAdmin: 'desc' }, { displayName: 'asc' }],
+    });
+
+    return fetchedUsers;
+  }
+
   /**
    * Fetch the number of users in db
    * @returns a count (Int) of user records in DB