Refactors date calculations to use ISO week

Adopts ISO week date calculation (Monday-based) for consistency
and accuracy across calendar components. This change ensures
standardized week determination, resolving potential discrepancies
in week-based operations.
This commit is contained in:
Janus Knudsen 2025-08-19 23:04:56 +02:00
parent 18f7953db4
commit efc1742dad
2 changed files with 41 additions and 32 deletions

View file

@ -5,6 +5,7 @@ import { calendarConfig } from '../core/CalendarConfig';
import { EventTypes } from '../constants/EventTypes';
import { StateEvents } from '../types/CalendarState';
import { DateUtils } from '../utils/DateUtils';
import { DateCalculator } from '../utils/DateCalculator';
import { ResourceCalendarData } from '../types/CalendarTypes';
import { GridRenderer } from '../renderers/GridRenderer';
import { GridStyleManager } from '../renderers/GridStyleManager';
@ -29,11 +30,13 @@ export class GridManager {
private resourceData: ResourceCalendarData | null = null; // Store resource data for resource calendar
private gridRenderer: GridRenderer;
private styleManager: GridStyleManager;
private dateCalculator: DateCalculator;
constructor() {
console.log('🏗️ GridManager: Constructor called');
this.gridRenderer = new GridRenderer(calendarConfig);
this.styleManager = new GridStyleManager(calendarConfig);
this.dateCalculator = new DateCalculator(calendarConfig);
this.init();
}
@ -43,7 +46,7 @@ export class GridManager {
// Set initial current week to today if not set
if (!this.currentWeek) {
this.currentWeek = this.getWeekStart(new Date());
this.currentWeek = this.dateCalculator.getISOWeekStart(new Date());
console.log('GridManager: Set initial currentWeek to', this.currentWeek);
// Don't render immediately - wait for proper initialization event
console.log('GridManager: Waiting for initialization complete before rendering');
@ -51,8 +54,8 @@ export class GridManager {
}
private getWeekStart(date: Date): Date {
// Use DateUtils for consistent week calculation (Sunday = 0)
return DateUtils.getWeekStart(date, 0);
// Use DateCalculator for ISO week (Monday = start)
return this.dateCalculator.getISOWeekStart(date);
}
private findElements(): void {
@ -84,14 +87,21 @@ export class GridManager {
// Re-render on period change
eventBus.on(EventTypes.PERIOD_CHANGE, (e: Event) => {
const detail = (e as CustomEvent).detail;
this.currentWeek = detail.week;
this.currentWeek = this.dateCalculator.getISOWeekStart(detail.week);
this.render();
});
// Handle week changes from NavigationManager
eventBus.on(EventTypes.WEEK_CHANGED, (e: Event) => {
const detail = (e as CustomEvent).detail;
this.currentWeek = detail.weekStart;
this.currentWeek = this.dateCalculator.getISOWeekStart(detail.weekStart);
this.render();
});
// Handle date changes from CalendarManager
eventBus.on(EventTypes.DATE_CHANGED, (e: Event) => {
const detail = (e as CustomEvent).detail;
this.currentWeek = this.dateCalculator.getISOWeekStart(detail.currentDate);
this.render();
});

View file

@ -13,29 +13,27 @@ export class DateCalculator {
}
/**
* Get dates for work week based on week start and work days configuration
* @param weekStart - The start date of the week (could be Sunday or Monday)
* Get dates for work week based on ISO week (starts Monday)
* @param weekStart - Any date in the week
* @returns Array of dates for the configured work days
*/
getWorkWeekDates(weekStart: Date): Date[] {
const dates: Date[] = [];
const workWeekSettings = this.config.getWorkWeekSettings();
const dateSettings = this.config.getDateViewSettings();
const firstDayOfWeek = dateSettings.firstDayOfWeek; // 0=Sunday, 1=Monday
// Get the actual start of the week based on configuration
const actualWeekStart = this.getWeekStart(weekStart, firstDayOfWeek);
// Get Monday of the ISO week
const monday = this.getISOWeekStart(weekStart);
// Calculate dates for each work day
workWeekSettings.workDays.forEach(dayOfWeek => {
const date = new Date(actualWeekStart);
const date = new Date(monday);
if (firstDayOfWeek === 1 && dayOfWeek === 0) {
// For Monday-based weeks, Sunday is at the end (day 7)
date.setDate(actualWeekStart.getDate() + 7);
if (dayOfWeek === 0) {
// Sunday is 6 days after Monday
date.setDate(monday.getDate() + 6);
} else {
// Normal calculation
date.setDate(actualWeekStart.getDate() + dayOfWeek);
// Monday=1 becomes 0 days after, Tuesday=2 becomes 1 day after, etc.
date.setDate(monday.getDate() + dayOfWeek - 1);
}
dates.push(date);
@ -45,26 +43,27 @@ export class DateCalculator {
}
/**
* Get the start of the week for a given date
* Get the start of the ISO week (Monday) for a given date
* @param date - Any date in the week
* @returns The Monday of the ISO week
*/
getISOWeekStart(date: Date): Date {
const monday = new Date(date);
const currentDay = monday.getDay();
const daysToSubtract = currentDay === 0 ? 6 : currentDay - 1;
monday.setDate(monday.getDate() - daysToSubtract);
monday.setHours(0, 0, 0, 0);
return monday;
}
/**
* Get the start of the week for a given date (legacy method)
* @param date - Any date in the week
* @param firstDayOfWeek - 0 for Sunday, 1 for Monday
* @returns The start date of the week
*/
getWeekStart(date: Date, firstDayOfWeek: number = 1): Date {
const weekStart = new Date(date);
const currentDay = weekStart.getDay();
if (firstDayOfWeek === 1) {
// Monday as first day
const daysToSubtract = currentDay === 0 ? 6 : currentDay - 1;
weekStart.setDate(weekStart.getDate() - daysToSubtract);
} else {
// Sunday as first day
weekStart.setDate(weekStart.getDate() - currentDay);
}
weekStart.setHours(0, 0, 0, 0);
return weekStart;
return this.getISOWeekStart(date);
}
/**