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campsiteFilter.js
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campsiteFilter.js
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const moment = require('moment');
const { MAX_GAP, DATE_FORMAT } = require('./constants');
module.exports = (search, inventory, reservations) => {
const { startDate, endDate } = search;
return inventory.filter((campsite) => {
const conflictingReservations = reservations.filter((reservation) => {
if (campsite.id !== reservation.campsiteId) {
return false;
}
if (moment(endDate, DATE_FORMAT).add(1, 'days').isSame(moment(reservation.startDate, DATE_FORMAT))) {
return false;
}
if (moment(startDate, DATE_FORMAT).subtract(1, 'days').isSame(moment(reservation.endDate, DATE_FORMAT))) {
return false;
}
if(moment(endDate, DATE_FORMAT).add(1, 'days').isBefore(moment(reservation.startDate, DATE_FORMAT).subtract(MAX_GAP, 'days'))) {
return false;
}
if(moment(startDate, DATE_FORMAT).subtract(1, 'days').isAfter(moment(reservation.endDate, DATE_FORMAT).add(MAX_GAP, 'days'))) {
return false;
}
return true;
})
return conflictingReservations.length === 0;
})
}