Add space permission service and guards for various entities

libs/common/src/helper/helper.module.ts

@@ -1,11 +1,14 @@
 import { Global, Module } from '@nestjs/common';
 import { HelperHashService } from './services';
+import { SpacePermissionService } from './services/space.permission.service';
+import { SpaceRepository } from '../modules/space/repositories';
+import { SpaceRepositoryModule } from '../modules/space/space.repository.module';
 
 @Global()
 @Module({
-  providers: [HelperHashService],
-  exports: [HelperHashService],
+  providers: [HelperHashService, SpacePermissionService, SpaceRepository],
+  exports: [HelperHashService, SpacePermissionService],
   controllers: [],
-  imports: [],
+  imports: [SpaceRepositoryModule],
 })
 export class HelperModule {}

libs/common/src/helper/services/index.ts

@@ -1 +1,2 @@
 export * from './helper.hash.service';
+export * from './space.permission.service';

libs/common/src/helper/services/space.permission.service.ts

@@ -0,0 +1,35 @@
+import { Injectable } from '@nestjs/common';
+import { SpaceRepository } from '@app/common/modules/space/repositories';
+import { BadRequestException } from '@nestjs/common';
+
+@Injectable()
+export class SpacePermissionService {
+  constructor(private readonly spaceRepository: SpaceRepository) {}
+
+  async checkUserPermission(
+    spaceUuid: string,
+    userUuid: string,
+    type: string,
+  ): Promise<void> {
+    const spaceData = await this.spaceRepository.findOne({
+      where: {
+        uuid: spaceUuid,
+        spaceType: {
+          type: type,
+        },
+        userSpaces: {
+          user: {
+            uuid: userUuid,
+          },
+        },
+      },
+      relations: ['spaceType', 'userSpaces', 'userSpaces.user'],
+    });
+
+    if (!spaceData) {
+      throw new BadRequestException(
+        `You do not have permission to access this ${type}`,
+      );
+    }
+  }
+}