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/*! * Matomo - free/libre analytics platform * * @link https://matomo.org * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later */ import { translate } from '../translate'; import Periods from './Periods'; import { parseDate, format, getToday, todayIsInRange, } from './utilities'; export default class RangePeriod { constructor( public readonly startDate: Date, public readonly endDate: Date, public readonly childPeriodType: string, ) {} /** * Returns a range representing the last N childPeriodType periods, including the current one. */ static getLastNRange( childPeriodType: string, strAmount: string|number, strEndDate?: Date|string, ): RangePeriod { const nAmount = Math.max(parseInt(strAmount.toString(), 10) - 1, 0); if (Number.isNaN(nAmount)) { throw new Error('Invalid range strAmount'); } let endDate = strEndDate ? parseDate(strEndDate) : getToday(); let startDate = new Date(endDate.getTime()); if (childPeriodType === 'day') { startDate.setDate(startDate.getDate() - nAmount); } else if (childPeriodType === 'week') { startDate.setDate(startDate.getDate() - (nAmount * 7)); } else if (childPeriodType === 'month') { startDate.setDate(1); startDate.setMonth(startDate.getMonth() - nAmount); } else if (childPeriodType === 'year') { startDate.setFullYear(startDate.getFullYear() - nAmount); } else { throw new Error(`Unknown period type '${childPeriodType}'.`); } if (childPeriodType !== 'day') { const startPeriod = Periods.periods[childPeriodType].parse(startDate); const endPeriod = Periods.periods[childPeriodType].parse(endDate); [startDate] = startPeriod.getDateRange(); [, endDate] = endPeriod.getDateRange(); } const firstWebsiteDate = new Date(1991, 7, 6); if (startDate.getTime() - firstWebsiteDate.getTime() < 0) { switch (childPeriodType) { case 'year': startDate = new Date(1992, 0, 1); break; case 'month': startDate = new Date(1991, 8, 1); break; case 'week': startDate = new Date(1991, 8, 12); break; case 'day': default: startDate = firstWebsiteDate; break; } } return new RangePeriod(startDate, endDate, childPeriodType); } /** * Returns a range representing a specific child date range counted back from the end date * * @param childPeriodType Type of the period, eg. day, week, year * @param rangeEndDate * @param countBack Return only the child date range for this specific period number * @returns {RangePeriod} */ static getLastNRangeChild( childPeriodType: string, rangeEndDate: Date|string, countBack: number, ): RangePeriod { const ed = rangeEndDate ? parseDate(rangeEndDate) : getToday(); let startDate = new Date(ed.getTime()); let endDate = new Date(ed.getTime()); if (childPeriodType === 'day') { startDate.setDate(startDate.getDate() - countBack); endDate.setDate(endDate.getDate() - countBack); } else if (childPeriodType === 'week') { startDate.setDate(startDate.getDate() - (countBack * 7)); endDate.setDate(endDate.getDate() - (countBack * 7)); } else if (childPeriodType === 'month') { startDate.setDate(1); startDate.setMonth(startDate.getMonth() - countBack); endDate.setDate(1); endDate.setMonth(endDate.getMonth() - countBack); } else if (childPeriodType === 'year') { startDate.setFullYear(startDate.getFullYear() - countBack); endDate.setFullYear(endDate.getFullYear() - countBack); } else { throw new Error(`Unknown period type '${childPeriodType}'.`); } if (childPeriodType !== 'day') { const startPeriod = Periods.periods[childPeriodType].parse(startDate); const endPeriod = Periods.periods[childPeriodType].parse(endDate); [startDate] = startPeriod.getDateRange(); [, endDate] = endPeriod.getDateRange(); } const firstWebsiteDate = new Date(1991, 7, 6); if (startDate.getTime() - firstWebsiteDate.getTime() < 0) { switch (childPeriodType) { case 'year': startDate = new Date(1992, 0, 1); break; case 'month': startDate = new Date(1991, 8, 1); break; case 'week': startDate = new Date(1991, 8, 12); break; case 'day': default: startDate = firstWebsiteDate; break; } } return new RangePeriod(startDate, endDate, childPeriodType); } static parse(strDate: string, childPeriodType = 'day'): RangePeriod { if (/^previous/.test(strDate)) { const endDate = RangePeriod.getLastNRange(childPeriodType, '2').startDate; return RangePeriod.getLastNRange(childPeriodType, strDate.substring(8), endDate); } if (/^last/.test(strDate)) { return RangePeriod.getLastNRange(childPeriodType, strDate.substring(4)); } const parts = decodeURIComponent(strDate).split(','); return new RangePeriod(parseDate(parts[0]), parseDate(parts[1]), childPeriodType); } static getDisplayText(): string { return translate('General_DateRangeInPeriodList'); } getPrettyString(): string { const start = format(this.startDate); const end = format(this.endDate); return translate('General_DateRangeFromTo', [start, end]); } getDateRange(): Date[] { return [this.startDate, this.endDate]; } containsToday(): boolean { return todayIsInRange(this.getDateRange()); } getDayCount(): number { return (Math.ceil((this.endDate.getTime() - this.startDate.getTime()) / (1000 * 3600 * 24)) + 1); } } Periods.addCustomPeriod('range', RangePeriod);