33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
import DB from '../database';
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import logger from '../logger';
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import { Prices } from '../tasks/price-updater';
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class PricesRepository {
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public async $savePrices(time: number, prices: Prices): Promise<void> {
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try {
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await DB.query(`INSERT INTO prices(time, avg_prices) VALUE (FROM_UNIXTIME(?), ?)`, [time, JSON.stringify(prices)]);
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} catch (e: any) {
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logger.err(`Cannot save exchange rate into db. Reason: ` + (e instanceof Error ? e.message : e));
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throw e;
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}
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}
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public async $getOldestPriceTime(): Promise<number> {
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const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices ORDER BY time LIMIT 1`);
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return oldestRow[0] ? oldestRow[0].time : 0;
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}
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public async $getLatestPriceTime(): Promise<number> {
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const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices ORDER BY time DESC LIMIT 1`);
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return oldestRow[0] ? oldestRow[0].time : 0;
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}
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public async $getPricesTimes(): Promise<number[]> {
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const [times]: any[] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices`);
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return times.map(time => time.time);
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}
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}
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export default new PricesRepository();
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