Feature/add twitter bot for fear and greed index (#702)

* Add twitter bot for fear and greed index

* Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Added a service to tweet the current _Fear & Greed Index_ (market mood)
+
 ### Changed
 
 - Improved the mobile layout of the position detail dialog (countries and sectors charts)

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

@@ -8,6 +8,7 @@ import { DataGatheringModule } from '@ghostfolio/api/services/data-gathering.mod
 import { DataProviderModule } from '@ghostfolio/api/services/data-provider/data-provider.module';
 import { ExchangeRateDataModule } from '@ghostfolio/api/services/exchange-rate-data.module';
 import { PrismaModule } from '@ghostfolio/api/services/prisma.module';
+import { TwitterBotModule } from '@ghostfolio/api/services/twitter-bot/twitter-bot.module';
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
@@ -65,6 +66,7 @@ import { UserModule } from './user/user.module';
     }),
     SubscriptionModule,
     SymbolModule,
+    TwitterBotModule,
     UserModule
   ],
   controllers: [AppController],

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

@@ -9,7 +9,8 @@ import {
   PROPERTY_IS_READ_ONLY_MODE,
   PROPERTY_SLACK_COMMUNITY_USERS,
   PROPERTY_STRIPE_CONFIG,
-  PROPERTY_SYSTEM_MESSAGE
+  PROPERTY_SYSTEM_MESSAGE,
+  ghostfolioFearAndGreedIndexDataSource
 } from '@ghostfolio/common/config';
 import { encodeDataSource } from '@ghostfolio/common/helper';
 import { InfoItem } from '@ghostfolio/common/interfaces';
@@ -18,7 +19,6 @@ import { Subscription } from '@ghostfolio/common/interfaces/subscription.interfa
 import { permissions } from '@ghostfolio/common/permissions';
 import { Injectable, Logger } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
-import { DataSource } from '@prisma/client';
 import * as bent from 'bent';
 import { subDays } from 'date-fns';
 
@@ -52,7 +52,9 @@ export class InfoService {
     }
 
     if (this.configurationService.get('ENABLE_FEATURE_FEAR_AND_GREED_INDEX')) {
-      info.fearAndGreedDataSource = encodeDataSource(DataSource.RAKUTEN);
+      info.fearAndGreedDataSource = encodeDataSource(
+        ghostfolioFearAndGreedIndexDataSource
+      );
     }
 
     if (this.configurationService.get('ENABLE_FEATURE_IMPORT')) {

apps/api/src/app/symbol/symbol.module.ts

@@ -8,13 +8,14 @@ import { SymbolController } from './symbol.controller';
 import { SymbolService } from './symbol.service';
 
 @Module({
+  controllers: [SymbolController],
+  exports: [SymbolService],
   imports: [
     ConfigurationModule,
     DataProviderModule,
     MarketDataModule,
     PrismaModule
   ],
-  controllers: [SymbolController],
   providers: [SymbolService]
 })
 export class SymbolModule {}

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

@@ -39,6 +39,10 @@ export class ConfigurationService {
       ROOT_URL: str({ default: 'http://localhost:4200' }),
       STRIPE_PUBLIC_KEY: str({ default: '' }),
       STRIPE_SECRET_KEY: str({ default: '' }),
+      TWITTER_ACCESS_TOKEN: str({ default: 'dummyAccessToken' }),
+      TWITTER_ACCESS_TOKEN_SECRET: str({ default: 'dummyAccessTokenSecret' }),
+      TWITTER_API_KEY: str({ default: 'dummyApiKey' }),
+      TWITTER_API_SECRET: str({ default: 'dummyApiSecret' }),
       WEB_AUTH_RP_ID: host({ default: 'localhost' })
     });
   }

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

@@ -3,12 +3,14 @@ import { Cron, CronExpression } from '@nestjs/schedule';
 
 import { DataGatheringService } from './data-gathering.service';
 import { ExchangeRateDataService } from './exchange-rate-data.service';
+import { TwitterBotService } from './twitter-bot/twitter-bot.service';
 
 @Injectable()
 export class CronService {
   public constructor(
     private readonly dataGatheringService: DataGatheringService,
-    private readonly exchangeRateDataService: ExchangeRateDataService
+    private readonly exchangeRateDataService: ExchangeRateDataService,
+    private readonly twitterBotService: TwitterBotService
   ) {}
 
   @Cron(CronExpression.EVERY_MINUTE)
@@ -21,6 +23,11 @@ export class CronService {
     await this.exchangeRateDataService.loadCurrencies();
   }
 
+  @Cron(CronExpression.EVERY_DAY_AT_6PM)
+  public async runEveryDayAtSixPM() {
+    this.twitterBotService.tweetFearAndGreedIndex();
+  }
+
   @Cron(CronExpression.EVERY_WEEKEND)
   public async runEveryWeekend() {
     await this.dataGatheringService.gatherProfileData();

apps/api/src/services/interfaces/environment.interface.ts

@@ -30,5 +30,9 @@ export interface Environment extends CleanedEnvAccessors {
   ROOT_URL: string;
   STRIPE_PUBLIC_KEY: string;
   STRIPE_SECRET_KEY: string;
+  TWITTER_ACCESS_TOKEN: string;
+  TWITTER_ACCESS_TOKEN_SECRET: string;
+  TWITTER_API_KEY: string;
+  TWITTER_API_SECRET: string;
   WEB_AUTH_RP_ID: string;
 }

apps/api/src/services/twitter-bot/twitter-bot.module.ts

@@ -0,0 +1,11 @@
+import { SymbolModule } from '@ghostfolio/api/app/symbol/symbol.module';
+import { ConfigurationModule } from '@ghostfolio/api/services/configuration.module';
+import { TwitterBotService } from '@ghostfolio/api/services/twitter-bot/twitter-bot.service';
+import { Module } from '@nestjs/common';
+
+@Module({
+  exports: [TwitterBotService],
+  imports: [ConfigurationModule, SymbolModule],
+  providers: [TwitterBotService]
+})
+export class TwitterBotModule {}

apps/api/src/services/twitter-bot/twitter-bot.service.ts

@@ -0,0 +1,60 @@
+import { SymbolService } from '@ghostfolio/api/app/symbol/symbol.service';
+import { ConfigurationService } from '@ghostfolio/api/services/configuration.service';
+import {
+  ghostfolioFearAndGreedIndexDataSource,
+  ghostfolioFearAndGreedIndexSymbol
+} from '@ghostfolio/common/config';
+import { resolveFearAndGreedIndex } from '@ghostfolio/common/helper';
+import { Injectable, Logger } from '@nestjs/common';
+import { TwitterApi, TwitterApiReadWrite } from 'twitter-api-v2';
+
+@Injectable()
+export class TwitterBotService {
+  private twitterClient: TwitterApiReadWrite;
+
+  public constructor(
+    private readonly configurationService: ConfigurationService,
+    private readonly symbolService: SymbolService
+  ) {
+    this.twitterClient = new TwitterApi({
+      accessSecret: this.configurationService.get(
+        'TWITTER_ACCESS_TOKEN_SECRET'
+      ),
+      accessToken: this.configurationService.get('TWITTER_ACCESS_TOKEN'),
+      appKey: this.configurationService.get('TWITTER_API_KEY'),
+      appSecret: this.configurationService.get('TWITTER_API_SECRET')
+    }).readWrite;
+  }
+
+  public async tweetFearAndGreedIndex() {
+    if (!this.configurationService.get('ENABLE_FEATURE_FEAR_AND_GREED_INDEX')) {
+      return;
+    }
+
+    try {
+      const symbolItem = await this.symbolService.get({
+        dataGatheringItem: {
+          dataSource: ghostfolioFearAndGreedIndexDataSource,
+          symbol: ghostfolioFearAndGreedIndexSymbol
+        }
+      });
+
+      if (symbolItem?.marketPrice) {
+        const { emoji, text } = resolveFearAndGreedIndex(
+          symbolItem.marketPrice
+        );
+
+        const status = `Current Market Mood: ${emoji} ${text} (${symbolItem.marketPrice}/100)\n\n#FearAndGreed #Markets #ServiceTweet`;
+        const { data: createdTweet } = await this.twitterClient.v2.tweet(
+          status
+        );
+
+        Logger.log(
+          `Fear & Greed Index has been tweeted: https://twitter.com/ghostfolio_/status/${createdTweet.id}`
+        );
+      }
+    } catch (error) {
+      Logger.error(error);
+    }
+  }
+}

apps/client/src/app/components/fear-and-greed-index/fear-and-greed-index.component.ts

@@ -24,12 +24,9 @@ export class FearAndGreedIndexComponent implements OnChanges, OnInit {
   public ngOnInit() {}
 
   public ngOnChanges() {
-    this.fearAndGreedIndexEmoji = resolveFearAndGreedIndex(
-      this.fearAndGreedIndex
-    ).emoji;
+    const { emoji, text } = resolveFearAndGreedIndex(this.fearAndGreedIndex);
 
-    this.fearAndGreedIndexText = resolveFearAndGreedIndex(
-      this.fearAndGreedIndex
-    ).text;
+    this.fearAndGreedIndexEmoji = emoji;
+    this.fearAndGreedIndexText = text;
   }
 }

libs/common/src/lib/config.ts

@@ -1,3 +1,5 @@
+import { DataSource } from '@prisma/client';
+
 import { ToggleOption } from './types';
 
 export const baseCurrency = 'USD';
@@ -14,6 +16,7 @@ export const DEMO_USER_ID = '9b112b4d-3b7d-4bad-9bdd-3b0f7b4dac2f';
 
 export const ghostfolioScraperApiSymbolPrefix = '_GF_';
 export const ghostfolioCashSymbol = `${ghostfolioScraperApiSymbolPrefix}CASH`;
+export const ghostfolioFearAndGreedIndexDataSource = DataSource.RAKUTEN;
 export const ghostfolioFearAndGreedIndexSymbol = `${ghostfolioScraperApiSymbolPrefix}FEAR_AND_GREED_INDEX`;
 
 export const locale = 'de-CH';

package.json

@@ -115,6 +115,7 @@
     "stripe": "8.199.0",
     "svgmap": "2.6.0",
     "tslib": "2.0.0",
+    "twitter-api-v2": "1.10.3",
     "uuid": "8.3.2",
     "yahoo-finance": "0.3.6",
     "zone.js": "0.11.4"

yarn.lock

@@ -17714,6 +17714,11 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
   integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
 
+twitter-api-v2@1.10.3:
+  version "1.10.3"
+  resolved "https://registry.yarnpkg.com/twitter-api-v2/-/twitter-api-v2-1.10.3.tgz#07441bd9c4d27433aa0284d900cf60f6328b8239"
+  integrity sha512-AbCboiTOWv4DUPbAlF43Uyk4iK/QRk354pNdKgtOmv45+BWGB5Kdv6ls+C99pww/DyLBiXgQEnuyGv4d1HdRhw==
+
 type-check@^0.4.0, type-check@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.4.0.tgz#07b8203bfa7056c0657050e3ccd2c37730bab8f1"