feat: enhance API and query handling with Redis caching; add QueryGuard for query validation; refactor services to utilize RedisClient for improved performance

src/project/project.service.ts

@@ -1,13 +1,16 @@
-import { Injectable } from "@nestjs/common";
+import { Inject, Injectable } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { Repository } from "typeorm";
 import { Project } from "./entities/project.entity";
+import { RedisClient } from "src/redis/redis.service";
 
 @Injectable()
 export class ProjectService {
   constructor(
     @InjectRepository(Project)
-    private readonly projectRepository: Repository<Project>
+    private readonly projectRepository: Repository<Project>,
+    @Inject(RedisClient)
+    private readonly redisClient: RedisClient
   ) {}
 
   create(name: string) {
@@ -15,17 +18,33 @@ export class ProjectService {
     return this.projectRepository.save(project);
   }
 
-  findById(id: string) {
-    return this.projectRepository.findOne({ where: { id: id } });
+  async findById(id: string) {
+    const cached = await this.redisClient.get(`project_${id}`);
+
+    if (cached) {
+      return cached;
+    }
+
+    const project = await this.projectRepository.findOne({ where: { id: id } });
+
+    if (project) {
+      await this.redisClient.set(`project_${id}`, project, 300);
+    }
+
+    return project;
   }
 
-  updateDatabase(projectId: string, databaseId: string) {
+  async updateDatabase(projectId: string, databaseId: string) {
+    await this.redisClient.del(`project_${projectId}`);
+
     return this.projectRepository.update(projectId, {
       database: { id: databaseId },
     });
   }
 
-  updateRedisNode(projectId: string, redisNodeId: { id: string }[]) {
+  async updateRedisNode(projectId: string, redisNodeId: { id: string }[]) {
+    await this.redisClient.del(`project_${projectId}`);
+
     return this.projectRepository.update(projectId, {
       redisNodes: redisNodeId,
     });