splash chart data

src/ORM/client-statistics/client-statistics.service.ts

@@ -9,8 +9,10 @@ import { ClientStatisticsEntity } from './client-statistics.entity';
 export class ClientStatisticsService {
 
     constructor(
+
+
         @InjectRepository(ClientStatisticsEntity)
-        private clientStatisticsRepository: Repository<ClientStatisticsEntity>
+        private clientStatisticsRepository: Repository<ClientStatisticsEntity>,
     ) {
 
     }
@@ -30,6 +32,38 @@ export class ClientStatisticsService {
             .execute();
     }
 
+    public async getChartDataForSite() {
+
+
+        const query = `
+        WITH result_set AS (
+            SELECT
+                MAX(time) || 'GMT' AS label,
+                (SUM(difficulty) * 4294967296) /
+                ((JULIANDAY(MAX(time)) - JULIANDAY(MIN(time))) * 24 * 60 * 60 * 1000000000) AS data
+            FROM
+                client_statistics_entity AS entry
+            WHERE
+                entry.time > datetime("now", "-1 day")
+            GROUP BY
+                strftime('%Y-%m-%d %H', time, 'localtime') || (strftime('%M', time, 'localtime') / 10)
+            ORDER BY
+            time
+        )
+        SELECT  *
+        FROM result_set
+        WHERE label <> (SELECT MAX(label) FROM result_set);
+    `;
+
+        const result = await this.clientStatisticsRepository.query(query);
+
+
+
+        return result;
+
+    }
+
+
     public async getHashRateForAddress(address: string) {
 
         const query = `

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
+    };
   }
 
 }

src/app.module.ts

@@ -1,3 +1,4 @@
+import { CacheModule } from '@nestjs/cache-manager';
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
@@ -35,7 +36,9 @@ const ORMModules = [
             autoLoadEntities: true,
             logging: false
         }),
+        CacheModule.register(),
         ScheduleModule.forRoot(),
+
         ...ORMModules
     ],
     controllers: [

src/services/discord.service.ts

@@ -39,7 +39,11 @@ export class DiscordService implements OnModuleInit {
         this.guildId = this.configService.get('DISCORD_BOT_GUILD_ID');
         this.channelId = this.configService.get('DISCORD_BOT_CHANNEL_ID')
 
-        if (this.token.length < 1 || this.clientId.length < 1 || this.guildId.length < 1 || this.channelId.length < 1) {
+        if (this.token == null || this.token.length < 1 ||
+            this.clientId == null || this.clientId.length < 1 ||
+            this.guildId == null || this.guildId.length < 1 ||
+            this.channelId == null || this.channelId.length < 1
+        ) {
             return;
         }
 

src/services/telegram.service.ts

@@ -15,7 +15,7 @@ export class TelegramService implements OnModuleInit {
         private readonly telegramSubscriptionsService: TelegramSubscriptionsService
     ) {
         const token: string | null = this.configService.get('TELEGRAM_BOT_TOKEN');
-        if (token.length < 1) {
+        if (token == null || token.length < 1) {
             return;
         }
         this.bot = new TelegramBot(token, { polling: true });