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bigslycat/filters.js

Created June 16, 2017 13:59
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  1. bigslycat created this gist Jun 16, 2017.
    66 changes: 66 additions & 0 deletions filters.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,66 @@
    /* @flow */
    import moment from 'moment-timezone';

    const isAcceptByArrayRules = (arr: any[], given: any) => !arr.length || arr.includes(given);

    const timeBlocksFilter = (
    byCity: string[],
    byClinic: string[],
    bySpec: string[],
    byMedic: string[],
    byDate: { from: moment, to?: moment }[],
    byDay: number[],
    byTime: { from: [number, number], to?: [number, number] }[],
    ) =>
    ({ cityId, clinicId, specId, medicId, from }: {
    cityId: string,
    clinicId: string,
    specId: string,
    medicId: string,
    from: moment,
    }) => {
    if (!isAcceptByArrayRules(byCity, cityId)) return false;
    if (!isAcceptByArrayRules(byClinic, clinicId)) return false;
    if (!isAcceptByArrayRules(bySpec, specId)) return false;
    if (!isAcceptByArrayRules(byMedic, medicId)) return false;

    if (byDate.length) {
    const result = byDate.filter(({ from: dateFrom, to: dateTo }) => {
    const fromValue = from.clone().startOf('day').valueOf();

    if (fromValue < dateFrom.valueOf()) return false;
    if (dateTo && fromValue >= dateTo.valueOf()) return false;

    return true;
    });

    if (!result.length) return false;
    }

    if (byDay.length && !byDay.filter(day => day === from.weekday()).length) return false;

    if (byTime.length) {
    const result = byTime.filter(
    ({ from: [hoursFrom, minutesFrom], to: [hoursTo, minutesTo] = [] }) => {
    const fromValue = from.valueOf();
    const time = from.clone();

    if (fromValue < time.set({ hour: hoursFrom, minute: minutesFrom }).valueOf()) {
    return false;
    }

    if (hoursTo && fromValue >= time.set({ hour: hoursTo, minute: minutesTo }).valueOf()) {
    return false;
    }

    return true;
    },
    );

    if (!result.length) return false;
    }

    return true;
    };

    export default timeBlocksFilter;