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tech-interview-handbook
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[offers][refactor] Move analysis generation into a util method so that seeding can use the same method

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pull/476/head
Bryann Yeap Kok Keong 2 years ago
parent 1a34bb2825
commit 8f0f4e928d
1 changed files with 2 additions and 401 deletions
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403
apps/portal/src/server/router/offers/offers-analysis-router.ts
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@ -1,51 +1,10 @@
import { z } from 'zod'; import { z } from 'zod';
import type {
Company,
OffersBackground,
OffersCurrency,
OffersFullTime,
OffersIntern,
OffersOffer,
OffersProfile,
} from '@prisma/client';
import { TRPCError } from '@trpc/server'; import { TRPCError } from '@trpc/server';
import { profileAnalysisDtoMapper } from '~/mappers/offers-mappers'; import { profileAnalysisDtoMapper } from '~/mappers/offers-mappers';
import { createRouter } from '../context'; import { createRouter } from '../context';
import { generateAnalysis } from '../../../utils/offers/analysisGeneration';
type Offer = OffersOffer & {
company: Company;
offersFullTime:
| (OffersFullTime & { totalCompensation: OffersCurrency })
| null;
offersIntern: (OffersIntern & { monthlySalary: OffersCurrency }) | null;
profile: OffersProfile & { background: OffersBackground | null };
};
const searchOfferPercentile = (
offer: Offer,
similarOffers: Array<
OffersOffer & {
company: Company;
offersFullTime:
| (OffersFullTime & {
totalCompensation: OffersCurrency;
})
| null;
offersIntern: (OffersIntern & { monthlySalary: OffersCurrency }) | null;
profile: OffersProfile & { background: OffersBackground | null };
}
>,
) => {
for (let i = 0; i < similarOffers.length; i++) {
if (similarOffers[i].id === offer.id) {
return i;
}
}
return -1;
};
export const offersAnalysisRouter = createRouter() export const offersAnalysisRouter = createRouter()
.query('get', { .query('get', {
@ -160,364 +119,6 @@ export const offersAnalysisRouter = createRouter()
profileId: z.string(), profileId: z.string(),
}), }),
async resolve({ ctx, input }) { async resolve({ ctx, input }) {
await ctx.prisma.offersAnalysis.deleteMany({ return generateAnalysis({ ctx, input });
where: {
profileId: input.profileId,
},
});
const offers = await ctx.prisma.offersOffer.findMany({
include: {
company: true,
offersFullTime: {
include: {
baseSalary: true,
bonus: true,
stocks: true,
totalCompensation: true,
},
},
offersIntern: {
include: {
monthlySalary: true,
},
},
profile: {
include: {
background: true,
},
},
},
orderBy: [
{
offersFullTime: {
totalCompensation: {
baseValue: 'desc',
},
},
},
{
offersIntern: {
monthlySalary: {
baseValue: 'desc',
},
},
},
],
where: {
profileId: input.profileId,
},
});
if (!offers || offers.length === 0) {
throw new TRPCError({
code: 'NOT_FOUND',
message: 'No offers found on this profile',
});
}
const overallHighestOffer = offers[0];
if (
!overallHighestOffer.profile.background ||
overallHighestOffer.profile.background.totalYoe == null
) {
throw new TRPCError({
code: 'NOT_FOUND',
message: 'YOE not found',
});
}
const yoe = overallHighestOffer.profile.background.totalYoe as number;
const monthYearReceived = new Date(overallHighestOffer.monthYearReceived);
monthYearReceived.setFullYear(monthYearReceived.getFullYear() - 1);
const similarOffers = await ctx.prisma.offersOffer.findMany({
include: {
company: true,
offersFullTime: {
include: {
totalCompensation: true,
},
},
offersIntern: {
include: {
monthlySalary: true,
},
},
profile: {
include: {
background: {
include: {
experiences: {
include: {
company: true,
},
},
},
},
},
},
},
orderBy: [
{
offersFullTime: {
totalCompensation: {
baseValue: 'desc',
},
},
},
{
offersIntern: {
monthlySalary: {
baseValue: 'desc',
},
},
},
],
where: {
AND: [
{
location: overallHighestOffer.location,
},
{
monthYearReceived: {
gte: monthYearReceived,
},
},
{
OR: [
{
offersFullTime: {
title: overallHighestOffer.offersFullTime?.title,
},
offersIntern: {
title: overallHighestOffer.offersIntern?.title,
},
},
],
},
{
profile: {
background: {
AND: [
{
totalYoe: {
gte: Math.max(yoe - 1, 0),
lte: yoe + 1,
},
},
],
},
},
},
],
},
});
// COMPANY ANALYSIS
const companyMap = new Map<string, Offer>();
offers.forEach((offer) => {
if (companyMap.get(offer.companyId) == null) {
companyMap.set(offer.companyId, offer);
}
});
const companyAnalysis = Array.from(companyMap.values()).map(
(companyOffer) => {
// TODO: Refactor calculating analysis into a function
const similarCompanyOffers = similarOffers.filter(
(offer) => offer.companyId === companyOffer.companyId,
);
const companyIndex = searchOfferPercentile(
companyOffer,
similarCompanyOffers,
);
const companyPercentile =
similarCompanyOffers.length <= 1
? 100
: 100 - (100 * companyIndex) / (similarCompanyOffers.length - 1);
// Get top offers (excluding user's offer)
const similarCompanyOffersWithoutUsersOffers =
similarCompanyOffers.filter(
(offer) => offer.profileId !== input.profileId,
);
const noOfSimilarCompanyOffers =
similarCompanyOffersWithoutUsersOffers.length;
const similarCompanyOffers90PercentileIndex = Math.ceil(
noOfSimilarCompanyOffers * 0.1,
);
const topPercentileCompanyOffers =
noOfSimilarCompanyOffers > 2
? similarCompanyOffersWithoutUsersOffers.slice(
similarCompanyOffers90PercentileIndex,
similarCompanyOffers90PercentileIndex + 2,
)
: similarCompanyOffersWithoutUsersOffers;
return {
companyName: companyOffer.company.name,
noOfSimilarOffers: noOfSimilarCompanyOffers,
percentile: companyPercentile,
topSimilarOffers: topPercentileCompanyOffers,
};
},
);
// OVERALL ANALYSIS
const overallIndex = searchOfferPercentile(
overallHighestOffer,
similarOffers,
);
const overallPercentile =
similarOffers.length <= 1
? 100
: 100 - (100 * overallIndex) / (similarOffers.length - 1);
const similarOffersWithoutUsersOffers = similarOffers.filter(
(similarOffer) => similarOffer.profileId !== input.profileId,
);
const noOfSimilarOffers = similarOffersWithoutUsersOffers.length;
const similarOffers90PercentileIndex = Math.ceil(noOfSimilarOffers * 0.1);
const topPercentileOffers =
noOfSimilarOffers > 2
? similarOffersWithoutUsersOffers.slice(
similarOffers90PercentileIndex,
similarOffers90PercentileIndex + 2,
)
: similarOffersWithoutUsersOffers;
const analysis = await ctx.prisma.offersAnalysis.create({
data: {
companyAnalysis: {
create: companyAnalysis.map((analysisUnit) => {
return {
companyName: analysisUnit.companyName,
noOfSimilarOffers: analysisUnit.noOfSimilarOffers,
percentile: analysisUnit.percentile,
topSimilarOffers: {
connect: analysisUnit.topSimilarOffers.map((offer) => {
return { id: offer.id };
}),
},
};
}),
},
overallAnalysis: {
create: {
companyName: overallHighestOffer.company.name,
noOfSimilarOffers,
percentile: overallPercentile,
topSimilarOffers: {
connect: topPercentileOffers.map((offer) => {
return { id: offer.id };
}),
},
},
},
overallHighestOffer: {
connect: {
id: overallHighestOffer.id,
},
},
profile: {
connect: {
id: input.profileId,
},
},
},
include: {
companyAnalysis: {
include: {
topSimilarOffers: {
include: {
company: true,
offersFullTime: {
include: {
totalCompensation: true,
},
},
offersIntern: {
include: {
monthlySalary: true,
},
},
profile: {
include: {
background: {
include: {
experiences: {
include: {
company: true,
},
},
},
},
},
},
},
},
},
},
overallAnalysis: {
include: {
topSimilarOffers: {
include: {
company: true,
offersFullTime: {
include: {
totalCompensation: true,
},
},
offersIntern: {
include: {
monthlySalary: true,
},
},
profile: {
include: {
background: {
include: {
experiences: {
include: {
company: true,
},
},
},
},
},
},
},
},
},
},
overallHighestOffer: {
include: {
company: true,
offersFullTime: {
include: {
totalCompensation: true,
},
},
offersIntern: {
include: {
monthlySalary: true,
},
},
profile: {
include: {
background: true,
},
},
},
},
},
});
return profileAnalysisDtoMapper(analysis);
}, },
}); });

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