Thomas
3 years ago
committed by
GitHub
parent
0f2c8c856c
commit
a2687eacbc
@ -0,0 +1,103 @@
|
||||
import { getYesterday } from '@ghostfolio/helper';
|
||||
import { Injectable } from '@nestjs/common';
|
||||
import * as bent from 'bent';
|
||||
import * as cheerio from 'cheerio';
|
||||
import { format } from 'date-fns';
|
||||
|
||||
import { DataProviderInterface } from '../../interfaces/data-provider.interface';
|
||||
import { Granularity } from '../../interfaces/granularity.type';
|
||||
import {
|
||||
IDataProviderHistoricalResponse,
|
||||
IDataProviderResponse
|
||||
} from '../../interfaces/interfaces';
|
||||
import { PrismaService } from '../../prisma.service';
|
||||
import { Currency } from '.prisma/client';
|
||||
|
||||
@Injectable()
|
||||
export class GhostfolioScraperApiService implements DataProviderInterface {
|
||||
public constructor(private prisma: PrismaService) {}
|
||||
|
||||
public async get(
|
||||
aSymbols: string[]
|
||||
): Promise<{ [symbol: string]: IDataProviderResponse }> {
|
||||
if (aSymbols.length <= 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
try {
|
||||
const symbol = aSymbols[0];
|
||||
const { marketPrice } = await this.prisma.marketData.findFirst({
|
||||
orderBy: {
|
||||
date: 'desc'
|
||||
},
|
||||
where: {
|
||||
symbol
|
||||
}
|
||||
});
|
||||
|
||||
return {
|
||||
[symbol]: {
|
||||
marketPrice,
|
||||
currency: Currency.CHF,
|
||||
isMarketOpen: true,
|
||||
name: symbol
|
||||
}
|
||||
};
|
||||
} catch (error) {
|
||||
console.error(error);
|
||||
}
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
public async getHistorical(
|
||||
aSymbols: string[],
|
||||
aGranularity: Granularity = 'day',
|
||||
from: Date,
|
||||
to: Date
|
||||
): Promise<{
|
||||
[symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
|
||||
}> {
|
||||
if (aSymbols.length <= 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
try {
|
||||
const symbol = aSymbols[0];
|
||||
|
||||
const {
|
||||
value: scraperConfigString
|
||||
} = await this.prisma.property.findFirst({
|
||||
select: {
|
||||
value: true
|
||||
},
|
||||
where: { key: 'SCRAPER_CONFIG' }
|
||||
});
|
||||
|
||||
const scraperConfig = JSON.parse(scraperConfigString).find((item) => {
|
||||
return item.symbol === symbol;
|
||||
});
|
||||
|
||||
const get = bent(scraperConfig.url, 'GET', 'string', 200, {});
|
||||
|
||||
const html = await get();
|
||||
const $ = cheerio.load(html);
|
||||
|
||||
const string = $(scraperConfig.selector).text().replace('CHF', '').trim();
|
||||
|
||||
const value = parseFloat(string);
|
||||
|
||||
return {
|
||||
[symbol]: {
|
||||
[format(getYesterday(), 'yyyy-MM-dd')]: {
|
||||
marketPrice: value
|
||||
}
|
||||
}
|
||||
};
|
||||
} catch (error) {
|
||||
console.error(error);
|
||||
}
|
||||
|
||||
return {};
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue