Set up statistics gathering queue

apps/api/src/app/admin/queue/queue.module.ts

@@ -1,5 +1,6 @@
 import { DataGatheringModule } from '@ghostfolio/api/services/queues/data-gathering/data-gathering.module';
 import { PortfolioSnapshotQueueModule } from '@ghostfolio/api/services/queues/portfolio-snapshot/portfolio-snapshot.module';
+import { StatisticsGatheringModule } from '@ghostfolio/api/services/queues/statistics-gathering/statistics-gathering.module';
 
 import { Module } from '@nestjs/common';
 
@@ -8,7 +9,11 @@ import { QueueService } from './queue.service';
 
 @Module({
   controllers: [QueueController],
-  imports: [DataGatheringModule, PortfolioSnapshotQueueModule],
+  imports: [
+    DataGatheringModule,
+    PortfolioSnapshotQueueModule,
+    StatisticsGatheringModule
+  ],
   providers: [QueueService]
 })
 export class QueueModule {}

apps/api/src/app/admin/queue/queue.service.ts

@@ -1,7 +1,8 @@
 import {
   DATA_GATHERING_QUEUE,
   PORTFOLIO_SNAPSHOT_COMPUTATION_QUEUE,
-  QUEUE_JOB_STATUS_LIST
+  QUEUE_JOB_STATUS_LIST,
+  STATISTICS_GATHERING_QUEUE
 } from '@ghostfolio/common/config';
 import { AdminJobs } from '@ghostfolio/common/interfaces';
 
@@ -15,7 +16,9 @@ export class QueueService {
     @InjectQueue(DATA_GATHERING_QUEUE)
     private readonly dataGatheringQueue: Queue,
     @InjectQueue(PORTFOLIO_SNAPSHOT_COMPUTATION_QUEUE)
-    private readonly portfolioSnapshotQueue: Queue
+    private readonly portfolioSnapshotQueue: Queue,
+    @InjectQueue(STATISTICS_GATHERING_QUEUE)
+    private readonly statisticsGatheringQueue: Queue
   ) {}
 
   public async deleteJob(aId: string) {
@@ -38,6 +41,7 @@ export class QueueService {
 
       await this.dataGatheringQueue.clean(300, queueStatus);
       await this.portfolioSnapshotQueue.clean(300, queueStatus);
+      await this.statisticsGatheringQueue.clean(300, queueStatus);
     }
   }
 
@@ -58,13 +62,19 @@ export class QueueService {
     limit?: number;
     status?: JobStatus[];
   }): Promise<AdminJobs> {
-    const [dataGatheringJobs, portfolioSnapshotJobs] = await Promise.all([
+    const [dataGatheringJobs, portfolioSnapshotJobs, statisticsGatheringJobs] =
+      await Promise.all([
         this.dataGatheringQueue.getJobs(status),
-      this.portfolioSnapshotQueue.getJobs(status)
+        this.portfolioSnapshotQueue.getJobs(status),
+        this.statisticsGatheringQueue.getJobs(status)
       ]);
 
     const jobsWithState = await Promise.all(
-      [...dataGatheringJobs, ...portfolioSnapshotJobs]
+      [
+        ...dataGatheringJobs,
+        ...portfolioSnapshotJobs,
+        ...statisticsGatheringJobs
+      ]
         .filter((job) => {
           return job;
         })

apps/api/src/app/info/info.service.ts

@@ -24,6 +24,7 @@ import { permissions } from '@ghostfolio/common/permissions';
 import { Injectable } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
 import { subDays } from 'date-fns';
+import { isNil } from 'lodash';
 
 @Injectable()
 export class InfoService {
@@ -235,10 +236,16 @@ export class InfoService {
       uptime: uptime ? Number.parseFloat(uptime) : undefined
     };
 
+    if (
+      Object.values(statistics).every((value) => {
+        return !isNil(value);
+      })
+    ) {
       await this.redisCacheService.set(
         InfoService.CACHE_KEY_STATISTICS,
         JSON.stringify(statistics)
       );
+    }
 
     return statistics;
   }

apps/api/src/services/cron/cron.service.ts

@@ -34,7 +34,7 @@ export class CronService {
 
   @Cron(CronExpression.EVERY_HOUR)
   public async runEveryHour() {
-    await this.statisticsGatheringService?.addJobToQueue();
+    await this.statisticsGatheringService?.addJobsToQueue();
   }
 
   @Cron(CronService.EVERY_HOUR_AT_RANDOM_MINUTE)

apps/api/src/services/queues/statistics-gathering/statistics-gathering.processor.ts

@@ -1,7 +1,10 @@
 import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
 import {
-  GATHER_STATISTICS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME,
   HEADER_KEY_TOKEN,
   PROPERTY_BETTER_UPTIME_MONITOR_ID,
   PROPERTY_DOCKER_HUB_PULLS,
@@ -28,46 +31,82 @@ export class StatisticsGatheringProcessor {
     private readonly propertyService: PropertyService
   ) {}
 
-  @Process(GATHER_STATISTICS_PROCESS_JOB_NAME)
-  public async gatherStatistics() {
+  @Process(GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME)
+  public async gatherDockerHubPullsStatistics() {
     Logger.log(
-      'Statistics gathering has been started',
+      'Docker Hub pulls statistics gathering has been started',
       'StatisticsGatheringProcessor'
     );
 
-    const [dockerHubPulls, gitHubContributors, gitHubStargazers, uptime] =
-      await Promise.all([
-        this.countDockerHubPulls(),
-        this.countGitHubContributors(),
-        this.countGitHubStargazers(),
-        this.getUptime()
-      ]);
-
-    await Promise.all([
-      dockerHubPulls !== undefined &&
-        this.propertyService.put({
+    const dockerHubPulls = await this.countDockerHubPulls();
+
+    await this.propertyService.put({
       key: PROPERTY_DOCKER_HUB_PULLS,
       value: String(dockerHubPulls)
-        }),
-      gitHubContributors !== undefined &&
-        this.propertyService.put({
+    });
+
+    Logger.log(
+      'Docker Hub pulls statistics gathering has been completed',
+      'StatisticsGatheringProcessor'
+    );
+  }
+
+  @Process(GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME)
+  public async gatherGitHubContributorsStatistics() {
+    Logger.log(
+      'GitHub contributors statistics gathering has been started',
+      'StatisticsGatheringProcessor'
+    );
+
+    const gitHubContributors = await this.countGitHubContributors();
+
+    await this.propertyService.put({
       key: PROPERTY_GITHUB_CONTRIBUTORS,
       value: String(gitHubContributors)
-        }),
-      gitHubStargazers !== undefined &&
-        this.propertyService.put({
+    });
+
+    Logger.log(
+      'GitHub contributors statistics gathering has been completed',
+      'StatisticsGatheringProcessor'
+    );
+  }
+
+  @Process(GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME)
+  public async gatherGitHubStargazersStatistics() {
+    Logger.log(
+      'GitHub stargazers statistics gathering has been started',
+      'StatisticsGatheringProcessor'
+    );
+
+    const gitHubStargazers = await this.countGitHubStargazers();
+
+    await this.propertyService.put({
       key: PROPERTY_GITHUB_STARGAZERS,
       value: String(gitHubStargazers)
-        }),
-      uptime !== undefined &&
-        this.propertyService.put({
+    });
+
+    Logger.log(
+      'GitHub stargazers statistics gathering has been completed',
+      'StatisticsGatheringProcessor'
+    );
+  }
+
+  @Process(GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME)
+  public async gatherUptimeStatistics() {
+    Logger.log(
+      'Uptime statistics gathering has been started',
+      'StatisticsGatheringProcessor'
+    );
+
+    const uptime = await this.getUptime();
+
+    await this.propertyService.put({
       key: PROPERTY_UPTIME,
       value: String(uptime)
-        })
-    ]);
+    });
 
     Logger.log(
-      'Statistics gathering has been completed',
+      'Uptime statistics gathering has been completed',
       'StatisticsGatheringProcessor'
     );
   }
@@ -88,7 +127,7 @@ export class StatisticsGatheringProcessor {
     } catch (error) {
       Logger.error(error, 'StatisticsGatheringProcessor - DockerHub');
 
-      return undefined;
+      throw error;
     }
   }
 
@@ -102,15 +141,29 @@ export class StatisticsGatheringProcessor {
 
       const $ = cheerio.load(body);
 
-      return extractNumberFromString({
-        value: $(
+      console.log(
+        $(
           'a[href="/ghostfolio/ghostfolio/graphs/contributors"] .Counter'
         ).text()
+      );
+
+      const value = $(
+        'a[href="/ghostfolio/ghostfolio/graphs/contributors"] .Counter'
+      ).text();
+
+      if (!value) {
+        throw new Error(
+          'Could not find the number of contributors in the page'
+        );
+      }
+
+      return extractNumberFromString({
+        value
       });
     } catch (error) {
       Logger.error(error, 'StatisticsGatheringProcessor - GitHub');
 
-      return undefined;
+      throw error;
     }
   }
 
@@ -130,7 +183,7 @@ export class StatisticsGatheringProcessor {
     } catch (error) {
       Logger.error(error, 'StatisticsGatheringProcessor - GitHub');
 
-      return undefined;
+      throw error;
     }
   }
 
@@ -161,7 +214,7 @@ export class StatisticsGatheringProcessor {
     } catch (error) {
       Logger.error(error, 'StatisticsGatheringProcessor - Better Stack');
 
-      return undefined;
+      throw error;
     }
   }
 }

apps/api/src/services/queues/statistics-gathering/statistics-gathering.service.ts

@@ -1,6 +1,9 @@
 import {
-  GATHER_STATISTICS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME,
+  GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME,
   GATHER_STATISTICS_PROCESS_JOB_OPTIONS,
+  GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME,
   STATISTICS_GATHERING_QUEUE
 } from '@ghostfolio/common/config';
 
@@ -15,11 +18,40 @@ export class StatisticsGatheringService {
     private readonly statisticsGatheringQueue: Queue
   ) {}
 
-  public async addJobToQueue() {
-    return this.statisticsGatheringQueue.add(
-      GATHER_STATISTICS_PROCESS_JOB_NAME,
+  public async addJobsToQueue() {
+    return Promise.all([
+      this.statisticsGatheringQueue.add(
+        GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME,
         {},
-      GATHER_STATISTICS_PROCESS_JOB_OPTIONS
-    );
+        {
+          ...GATHER_STATISTICS_PROCESS_JOB_OPTIONS,
+          jobId: GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME
+        }
+      ),
+      this.statisticsGatheringQueue.add(
+        GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME,
+        {},
+        {
+          ...GATHER_STATISTICS_PROCESS_JOB_OPTIONS,
+          jobId: GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME
+        }
+      ),
+      this.statisticsGatheringQueue.add(
+        GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME,
+        {},
+        {
+          ...GATHER_STATISTICS_PROCESS_JOB_OPTIONS,
+          jobId: GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME
+        }
+      ),
+      this.statisticsGatheringQueue.add(
+        GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME,
+        {},
+        {
+          ...GATHER_STATISTICS_PROCESS_JOB_OPTIONS,
+          jobId: GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME
+        }
+      )
+    ]);
   }
 }

libs/common/src/lib/config.ts

@@ -185,7 +185,6 @@ export const GATHER_HISTORICAL_MARKET_DATA_PROCESS_JOB_OPTIONS: JobOptions = {
   removeOnComplete: true
 };
 
-export const GATHER_STATISTICS_PROCESS_JOB_NAME = 'GATHER_STATISTICS';
 export const GATHER_STATISTICS_PROCESS_JOB_OPTIONS: JobOptions = {
   attempts: 5,
   backoff: {
@@ -195,6 +194,18 @@ export const GATHER_STATISTICS_PROCESS_JOB_OPTIONS: JobOptions = {
   removeOnComplete: true
 };
 
+export const GATHER_STATISTICS_DOCKER_HUB_PULLS_PROCESS_JOB_NAME =
+  'GATHER_STATISTICS_DOCKER_HUB_PULLS';
+
+export const GATHER_STATISTICS_GITHUB_CONTRIBUTORS_PROCESS_JOB_NAME =
+  'GATHER_STATISTICS_GITHUB_CONTRIBUTORS';
+
+export const GATHER_STATISTICS_GITHUB_STARGAZERS_PROCESS_JOB_NAME =
+  'GATHER_STATISTICS_GITHUB_STARGAZERS';
+
+export const GATHER_STATISTICS_UPTIME_PROCESS_JOB_NAME =
+  'GATHER_STATISTICS_UPTIME';
+
 export const INVESTMENT_ACTIVITY_TYPES = [
   Type.BUY,
   Type.DIVIDEND,