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optimize database query execution for portfolio chart

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This commit is contained in:
Valentin Zickner 2021-07-08 19:28:44 +02:00 committed by Thomas
parent b26521c4bd
commit ddf24163b4
1 changed files with 37 additions and 30 deletions
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67
apps/api/src/app/core/portfolio-calculator.ts
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@ -142,7 +142,7 @@ export class PortfolioCalculator {
const start = dparse(startDate);
const end = dparse(endDate);
const timelinePeriod: TimelinePeriod[] = [];
const timelinePeriodPromises: Promise<TimelinePeriod>[] = [];
let i = 0;
let j = -1;
for (
@ -162,40 +162,47 @@ export class PortfolioCalculator {
) {
j++;
}
let investment: Big = new Big(0);
const promises = [];
if (j >= 0) {
for (const item of this.transactionPoints[j].items) {
investment = investment.add(item.investment);
promises.push(
this.currentRateService
.getValue({
date: currentDate,
symbol: item.symbol,
currency: item.currency,
userCurrency: this.currency
})
.then((v) => new Big(v).mul(item.quantity))
);
}
}
const value = (await Promise.all(promises)).reduce(
(a, b) => a.add(b),
new Big(0)
);
timelinePeriod.push({
date: format(currentDate, DATE_FORMAT),
grossPerformance: value.minus(investment),
investment,
value
});
timelinePeriodPromises.push(this.getTimePeriodForDate(j, currentDate));
}
const timelinePeriod: TimelinePeriod[] = await Promise.all(
timelinePeriodPromises
);
return timelinePeriod;
}
private async getTimePeriodForDate(j: number, currentDate: Date) {
let investment: Big = new Big(0);
const promises = [];
if (j >= 0) {
for (const item of this.transactionPoints[j].items) {
investment = investment.add(item.investment);
promises.push(
this.currentRateService
.getValue({
date: currentDate,
symbol: item.symbol,
currency: item.currency,
userCurrency: this.currency
})
.then((v) => new Big(v).mul(item.quantity))
);
}
}
const value = (await Promise.all(promises)).reduce(
(a, b) => a.add(b),
new Big(0)
);
return {
date: format(currentDate, DATE_FORMAT),
grossPerformance: value.minus(investment),
investment,
value
};
}
private getFactor(type: OrderType) {
let factor: number;
switch (type) {