Feature/copy logic of ghostfolio scraper api service to manual service (#1691)

* Copy logic of GhostfolioScraperApiService to ManualService

* Update changelog

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Copy logic of `GhostfolioScraperApiService` to `ManualService`
 - Improved the content of the landing page
 - Improved the content of the Frequently Asked Questions (FAQ) page
 - Set the exposed port as an environment variable (`PORT`) in `Dockerfile`
@@ -26,6 +27,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed an issue on the landing page caused by the global heat map of subscribers
 - Fixed the links in the interstitial for the subscription
 
+### Todo
+
+- Rename the `dataSource` from `GHOSTFOLIO` to `MANUAL`
+- Eliminate `GhostfolioScraperApiService`
+
 ## 1.233.0 - 2023-02-09
 
 ### Added

apps/api/src/services/data-provider/ghostfolio-scraper-api/ghostfolio-scraper-api.service.ts

@@ -65,7 +65,7 @@ export class GhostfolioScraperApiService implements DataProviderInterface {
       const [symbolProfile] =
         await this.symbolProfileService.getSymbolProfilesBySymbols([symbol]);
       const { defaultMarketPrice, selector, url } =
-        symbolProfile.scraperConfiguration;
+        symbolProfile.scraperConfiguration ?? {};
 
       if (defaultMarketPrice) {
         const historical: {
@@ -148,7 +148,7 @@ export class GhostfolioScraperApiService implements DataProviderInterface {
           dataSource: this.getName(),
           marketPrice: marketData.find((marketDataItem) => {
             return marketDataItem.symbol === symbolProfile.symbol;
-          }).marketPrice,
+          })?.marketPrice,
           marketState: 'delayed'
         };
       }

apps/api/src/services/data-provider/manual/manual.service.ts

@@ -6,9 +6,17 @@ import {
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile.service';
+import {
+  DATE_FORMAT,
+  extractNumberFromString,
+  getYesterday
+} from '@ghostfolio/common/helper';
 import { Granularity } from '@ghostfolio/common/types';
 import { Injectable, Logger } from '@nestjs/common';
 import { DataSource, SymbolProfile } from '@prisma/client';
+import bent from 'bent';
+import * as cheerio from 'cheerio';
+import { addDays, format, isBefore } from 'date-fns';
 
 @Injectable()
 export class ManualService implements DataProviderInterface {
@@ -18,7 +26,7 @@ export class ManualService implements DataProviderInterface {
   ) {}
 
   public canHandle(symbol: string) {
-    return false;
+    return true;
   }
 
   public async getAssetProfile(
@@ -51,7 +59,57 @@ export class ManualService implements DataProviderInterface {
   ): Promise<{
     [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
   }> {
-    return {};
+    try {
+      const symbol = aSymbol;
+
+      const [symbolProfile] =
+        await this.symbolProfileService.getSymbolProfilesBySymbols([symbol]);
+      const { defaultMarketPrice, selector, url } =
+        symbolProfile.scraperConfiguration ?? {};
+
+      if (defaultMarketPrice) {
+        const historical: {
+          [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+        } = {
+          [symbol]: {}
+        };
+        let date = from;
+
+        while (isBefore(date, to)) {
+          historical[symbol][format(date, DATE_FORMAT)] = {
+            marketPrice: defaultMarketPrice
+          };
+
+          date = addDays(date, 1);
+        }
+
+        return historical;
+      } else if (selector === undefined || url === undefined) {
+        return {};
+      }
+
+      const get = bent(url, 'GET', 'string', 200, {});
+
+      const html = await get();
+      const $ = cheerio.load(html);
+
+      const value = extractNumberFromString($(selector).text());
+
+      return {
+        [symbol]: {
+          [format(getYesterday(), DATE_FORMAT)]: {
+            marketPrice: value
+          }
+        }
+      };
+    } catch (error) {
+      throw new Error(
+        `Could not get historical market data for ${aSymbol} (${this.getName()}) from ${format(
+          from,
+          DATE_FORMAT
+        )} to ${format(to, DATE_FORMAT)}: [${error.name}] ${error.message}`
+      );
+    }
   }
 
   public getName(): DataSource {
@@ -88,10 +146,9 @@ export class ManualService implements DataProviderInterface {
         response[symbolProfile.symbol] = {
           currency: symbolProfile.currency,
           dataSource: this.getName(),
-          marketPrice:
-            marketData.find((marketDataItem) => {
-              return marketDataItem.symbol === symbolProfile.symbol;
-            })?.marketPrice ?? 0,
+          marketPrice: marketData.find((marketDataItem) => {
+            return marketDataItem.symbol === symbolProfile.symbol;
+          })?.marketPrice,
           marketState: 'delayed'
         };
       }