homemanager-be/src/shared/guards/storage.guard.ts

63 lines
1.7 KiB
TypeScript

import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
import { Request } from 'express';
import { Storage } from 'src/objects/storage/entities/storage.entity';
import { StorageService } from 'src/objects/storage/storage.service';
import { User } from 'src/objects/user/user.entity';
@Injectable()
export class StorageGuard implements CanActivate {
constructor(private readonly storageService: StorageService) {}
async canActivate(context: ExecutionContext): Promise<boolean> {
const http = context.switchToHttp();
const request = http.getRequest() as Request;
const response = http.getResponse();
const user = response.locals.user as User;
if (!user) return false;
if (
request.params.storageId == null &&
request.body?.storageId == null &&
request.query?.storageId == null
) {
return true;
}
const storageId = parseInt(
request.params.storageId ||
request.body?.storageId ||
request.query?.storageId,
10,
);
if (!storageId || isNaN(storageId)) return false;
let storageAccess: Storage;
if (response.locals.room) {
storageAccess = await this.storageService.getStorageByIdAndRoom(
storageId,
response.locals.room.id,
['addedBy'],
);
} else if (response.locals.building) {
storageAccess = await this.storageService.getStorageByIdAndBuilding(
storageId,
response.locals.building.id,
['addedBy'],
);
} else {
storageAccess = await this.storageService.getStorageByIdAndSub(
storageId,
user.sub,
['addedBy'],
);
}
if (!storageAccess) return false;
response.locals.storage = storageAccess;
return true;
}
}