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unsupervised-scheduler/src/Availability/WeekCalendar.php
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thatguygriffandClaude Fable 5 14f43232c9
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Default lessons to a week view on the booking page and in wp-admin
The front-end booking calendar now opens in the Week view (anchored to the
week of the earliest open slot) with List still available. The Scheduler and
My Lessons admin pages gain a week calendar (usc_view/usc_week, bucketed via
a new generic WeekCalendar::bucket()) and open in it by default; the original
table remains as the List view since it carries the HST / e-transfer forms.

Closes #76

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-22 10:13:04 -03:00

88 lines
2.6 KiB
PHP

<?php
declare(strict_types=1);
namespace Unsupervised\Schedular\Availability;
/**
* Pure helpers for the weekly calendar views: resolving which week to show and
* bucketing slots into that week's seven days.
*/
class WeekCalendar {
/**
* Resolve a requested week anchor to the date of the first day of its week.
* `$requested` may be any date (`Y-m-d`) inside the wanted week; anything
* unparseable falls back to `$today`. `$startOfWeek` follows WordPress's
* `start_of_week` option (0 = Sunday … 6 = Saturday).
*/
public static function weekStart( string $requested, int $startOfWeek, string $today ): string {
$anchor = self::parseDay( $requested ) ?? self::parseDay( $today ) ?? new \DateTimeImmutable( 'today' );
$shift = ( (int) $anchor->format( 'w' ) - $startOfWeek + 7 ) % 7;
return $anchor->modify( '-' . $shift . ' days' )->format( 'Y-m-d' );
}
/**
* Bucket slots into the seven days of the week starting at `$weekStart`
* (`Y-m-d`). Every day is present, empty or not, in calendar order.
*
* @param list<AvailabilitySlot> $slots
* @return list<array{date: string, slots: list<AvailabilitySlot>}>
*/
public static function days( string $weekStart, array $slots ): array {
$start = self::parseDay( $weekStart ) ?? new \DateTimeImmutable( 'today' );
$byDay = [];
foreach ( $slots as $slot ) {
$byDay[ substr( $slot->startDt, 0, 10 ) ][] = $slot;
}
$days = [];
for ( $i = 0; $i < 7; $i++ ) {
$date = $start->modify( '+' . $i . ' days' )->format( 'Y-m-d' );
$days[] = [
'date' => $date,
'slots' => $byDay[ $date ] ?? [],
];
}
return $days;
}
/**
* Bucket arbitrary items into the seven days of the week starting at
* `$weekStart` (`Y-m-d`), using `$dayOf` to extract each item's `Y-m-d` day.
* Every day is present, empty or not, in calendar order.
*
* @template T
* @param list<T> $items
* @param callable(T): string $dayOf
* @return list<array{date: string, items: list<T>}>
*/
public static function bucket( string $weekStart, array $items, callable $dayOf ): array {
$start = self::parseDay( $weekStart ) ?? new \DateTimeImmutable( 'today' );
$byDay = [];
foreach ( $items as $item ) {
$byDay[ $dayOf( $item ) ][] = $item;
}
$days = [];
for ( $i = 0; $i < 7; $i++ ) {
$date = $start->modify( '+' . $i . ' days' )->format( 'Y-m-d' );
$days[] = [
'date' => $date,
'items' => $byDay[ $date ] ?? [],
];
}
return $days;
}
private static function parseDay( string $value ): ?\DateTimeImmutable {
$day = \DateTimeImmutable::createFromFormat( '!Y-m-d', $value );
return false !== $day && $day->format( 'Y-m-d' ) === $value ? $day : null;
}
}