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chore: refactor date utilities

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This commit is contained in:
Daniel Rosel
2026-01-13 15:26:06 +01:00
parent 90f57cb9b9
commit 07fb861723
2 changed files with 33 additions and 43 deletions
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24
web/src/lib/airline-utils.ts
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@@ -31,7 +31,7 @@ export interface Flight {
availability: number;
}
const EPOCH = new Date(0);
import { dateToDaysFromToday, dateToIndex, todayIndex } from './date-utils';
export const transformProduct = (p: AirlineProduct): Flight => {
const { id, flight_type, date_index, metadata, availability } = p;
@@ -52,24 +52,4 @@ export const transformProduct = (p: AirlineProduct): Flight => {
};
};
// convert date string to days from today
export const dateToDaysFromToday = (dateStr: string): number => {
const target = new Date(dateStr);
target.setHours(0, 0, 0, 0);
const today = new Date();
today.setHours(0, 0, 0, 0);
return Math.floor((target.getTime() - today.getTime()) / 86400000);
};
// convert date string to date_index (days since epoch)
export const dateToIndex = (dateStr: string): number => {
const d = new Date(dateStr);
return Math.floor((d.getTime() - EPOCH.getTime()) / 86400000);
};
// get current date_index
export const todayIndex = (): number => {
const now = new Date();
now.setHours(0, 0, 0, 0);
return Math.floor((now.getTime() - EPOCH.getTime()) / 86400000);
};
export { dateToDaysFromToday, dateToIndex, todayIndex };

52
web/src/lib/hotel-utils.ts
View File

@@ -25,7 +25,7 @@ export interface Hotel {
nights: number;
}
const EPOCH = new Date(0);
import { EPOCH, MS_PER_DAY, dateToDaysFromToday, dateToIndex, todayIndex } from './date-utils';
export const transformProduct = (p: HotelProduct): Hotel => {
const { id, room_type, date_index, metadata } = p;
@@ -37,14 +37,14 @@ export const transformProduct = (p: HotelProduct): Hotel => {
// legacy: treat as offset from today
const today = new Date();
today.setHours(0, 0, 0, 0);
checkIn = new Date(today.getTime() + date_index * 86400000);
checkIn = new Date(today.getTime() + date_index * MS_PER_DAY);
} else {
// proper: days since epoch
checkIn = new Date(EPOCH.getTime() + date_index * 86400000);
checkIn = new Date(EPOCH.getTime() + date_index * MS_PER_DAY);
}
const nights = 1;
const checkOut = new Date(checkIn.getTime() + nights * 86400000);
const checkOut = new Date(checkIn.getTime() + nights * MS_PER_DAY);
const formatOpts: Intl.DateTimeFormatOptions = {
month: 'short',
@@ -65,24 +65,34 @@ export const transformProduct = (p: HotelProduct): Hotel => {
};
};
// convert date string to days from today
export const dateToDaysFromToday = (dateStr: string): number => {
const target = new Date(dateStr);
target.setHours(0, 0, 0, 0);
const today = new Date();
today.setHours(0, 0, 0, 0);
return Math.floor((target.getTime() - today.getTime()) / 86400000);
const hotelImagePool = [
'photo-1566073771259-6a8506099945',
'photo-1551882547-ff40c63fe5fa',
'photo-1590490360182-c33d57733427',
'photo-1582719478250-c89cae4dc85b',
'photo-1596701062351-8c2c14d1fdd0',
'photo-1631049307264-da0ec9d70304',
'photo-1578683010236-d716f9a3f461',
'photo-1540518614846-7eded433c457',
'photo-1505693416388-ac5ce068fe85',
'photo-1522771739844-6a9f6d5f14af',
'photo-1562438668-bcf0ca6578f0',
'photo-1595576508898-0ad5c879a061',
];
const hashString = (s: string): number => {
let h = 0;
for (let i = 0; i < s.length; i++) {
h = ((h << 5) - h) + s.charCodeAt(i);
h = h & h;
}
return Math.abs(h);
};
// convert date string to date_index (days since epoch)
export const dateToIndex = (dateStr: string): number => {
const d = new Date(dateStr);
return Math.floor((d.getTime() - EPOCH.getTime()) / 86400000);
export const getHotelImageUrl = (hotelId: string, size: { w: number; h: number } = { w: 400, h: 300 }): string => {
const idx = hashString(hotelId) % hotelImagePool.length;
const photoId = hotelImagePool[idx];
return `https://images.unsplash.com/${photoId}?w=${size.w}&h=${size.h}&fit=crop`;
};
// get current date_index
export const todayIndex = (): number => {
const now = new Date();
now.setHours(0, 0, 0, 0);
return Math.floor((now.getTime() - EPOCH.getTime()) / 86400000);
};
export { dateToDaysFromToday, dateToIndex, todayIndex };