splash chart data

src/app.controller.ts

@@ -1,18 +1,36 @@
-import { Controller, Get } from '@nestjs/common';
+import { CACHE_MANAGER } from '@nestjs/cache-manager';
+import { Controller, Get, Inject } from '@nestjs/common';
+import { Cache } from 'cache-manager';
 
+import { ClientStatisticsService } from './ORM/client-statistics/client-statistics.service';
 import { ClientService } from './ORM/client/client.service';
 
-
-
 @Controller()
 export class AppController {
   constructor(
-    private clientService: ClientService
+    @Inject(CACHE_MANAGER) private cacheManager: Cache,
+    private clientService: ClientService,
+    private clientStatisticsService: ClientStatisticsService
   ) { }
 
   @Get('info')
-  public info() {
+  public async info() {
 
+    const CACHE_KEY = 'SITE_HASHRATE_GRAPH';
+    const cachedResult = await this.cacheManager.get(CACHE_KEY);
+    if (cachedResult != null) {
+      return {
+        chartData: cachedResult
+      };
+    }
+
+    const chartData = await this.clientStatisticsService.getChartDataForSite();
+
+    await this.cacheManager.set(CACHE_KEY, chartData, 600)
+
+    return {
+      chartData
+    };
   }
 
 }