Initial commit

apps/backend/src/dashboard/dashboard.controller.ts

@@ -0,0 +1,15 @@
+import { Controller, Get } from '@nestjs/common';
+import { RequirePermissions } from '../auth/guards/require-permissions.decorator';
+import { Permission } from '../roles/permissions';
+import { DashboardService } from './dashboard.service';
+
+@Controller('dashboard')
+export class DashboardController {
+  constructor(private readonly dashboard: DashboardService) {}
+
+  @Get()
+  @RequirePermissions(Permission.ItemsRead)
+  summary() {
+    return this.dashboard.summary();
+  }
+}

apps/backend/src/dashboard/dashboard.module.ts

@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { DashboardController } from './dashboard.controller';
+import { DashboardService } from './dashboard.service';
+
+@Module({
+  controllers: [DashboardController],
+  providers: [DashboardService],
+})
+export class DashboardModule {}

apps/backend/src/dashboard/dashboard.service.ts

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+import { Injectable } from '@nestjs/common';
+import { InjectDataSource } from '@nestjs/typeorm';
+import { DataSource } from 'typeorm';
+import { IsNull } from 'typeorm';
+import { ItemEntity } from '../items/entities/item.entity';
+import { RoleEntity } from '../roles/entities/role.entity';
+import { SessionEntity } from '../sessions/entities/session.entity';
+import { UserEntity } from '../users/entities/user.entity';
+
+@Injectable()
+export class DashboardService {
+  constructor(@InjectDataSource() private readonly dataSource: DataSource) {}
+
+  async summary(): Promise<{
+    userCount: number;
+    activeSessions: number;
+    roleCount: number;
+    itemCount: number;
+  }> {
+    const [userCount, activeSessions, roleCount, itemCount] = await Promise.all(
+      [
+        this.dataSource.getRepository(UserEntity).count(),
+        this.dataSource
+          .getRepository(SessionEntity)
+          .count({ where: { revokedAt: IsNull() } }),
+        this.dataSource.getRepository(RoleEntity).count(),
+        this.dataSource.getRepository(ItemEntity).count(),
+      ],
+    );
+    return { userCount, activeSessions, roleCount, itemCount };
+  }
+}