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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,4 @@ | ||
| /.build | ||
| /.idea | ||
| /vendor | ||
| /composer.lock | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| <?php declare(strict_types=1); | ||
|
|
||
| namespace MLL\Utils; | ||
|
|
||
| use Carbon\Carbon; | ||
|
|
||
| /** | ||
| * Some definitions: | ||
| * Holiday: special occasions on a mostly fixed date where there is no work | ||
| * Weekend Day: Saturday and Sunday | ||
| * Business Day: any day that is neither a Holiday nor a Weekend Day. | ||
| */ | ||
| class BavarianHolidays | ||
| { | ||
| public const HOLIDAYS_STATIC = [ | ||
| '01.01' => 'Neujahrstag', | ||
| '06.01' => 'Heilige Drei Könige', | ||
| '01.05' => 'Tag der Arbeit', | ||
| '15.08' => 'Maria Himmelfahrt', | ||
| '03.10' => 'Tag der Deutschen Einheit', | ||
| '01.11' => 'Allerheiligen', | ||
| '24.12' => 'Heilig Abend', | ||
| '25.12' => 'Erster Weihnachtstag', | ||
| '26.12' => 'Zweiter Weihnachtstag', | ||
| '31.12' => 'Sylvester', | ||
| ]; | ||
|
|
||
| public const SAMSTAG = 'Samstag'; | ||
| public const SONNTAG = 'Sonntag'; | ||
| public const KARFREITAG = 'Karfreitag'; | ||
| public const OSTERSONNTAG = 'Ostersonntag'; | ||
| public const OSTERMONTAG = 'Ostermontag'; | ||
| public const CHRISTI_HIMMELFAHRT = 'Christi Himmelfahrt'; | ||
| public const PFINGSTSONNTAG = 'Pfingstsonntag'; | ||
| public const PFINGSTMONTAG = 'Pfingstmontag'; | ||
| public const FRONLEICHNAM = 'Fronleichnam'; | ||
| public const REFORMATIONSTAG_500_JAHRE_REFORMATION = 'Reformationstag (500 Jahre Reformation)'; | ||
|
|
||
| /** | ||
| * Optionally allows users to define extra holidays for a given year. | ||
| * | ||
| * The returned array is expected to be a map from the day of the year | ||
| * (format with @see self::dayOfTheYear()) to holiday names. | ||
| * | ||
| * @example ['23.02' => 'Day of the Tentacle'] | ||
| * | ||
| * @var (callable(int): array<string, string>)|null | ||
| */ | ||
| public static $loadUserDefinedHolidays; | ||
|
|
||
| /** Checks if given date is a business day. */ | ||
| public static function isBusinessDay(Carbon $date): bool | ||
| { | ||
| return ! self::isHoliday($date) | ||
| && ! $date->isWeekend(); | ||
| } | ||
|
|
||
| /** Checks if given date is a holiday. */ | ||
| public static function isHoliday(Carbon $date): bool | ||
| { | ||
| return is_string(self::nameHoliday($date)); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the name of the holiday if the date happens to land on one. | ||
| * Saturday and Sunday are not evaluated as holiday. | ||
| */ | ||
| public static function nameHoliday(Carbon $date): ?string | ||
| { | ||
| $holidayMap = self::buildHolidayMap($date); | ||
|
|
||
| return $holidayMap[self::dayOfTheYear($date)] ?? null; | ||
| } | ||
|
|
||
| /** Returns a new carbon instance with the given number of business days added. */ | ||
| public static function addBusinessDays(Carbon $date, int $days): Carbon | ||
| { | ||
| return DateModification::addDays( | ||
| $date, | ||
| $days, | ||
| fn (Carbon $date): bool => self::isBusinessDay($date) | ||
| ); | ||
| } | ||
|
|
||
| /** Returns a new carbon instance with the given number of business days subtracted. */ | ||
| public static function subBusinessDays(Carbon $date, int $days): Carbon | ||
| { | ||
| return DateModification::subDays( | ||
| $date, | ||
| $days, | ||
| fn (Carbon $date): bool => self::isBusinessDay($date) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Returns a map from day/month to named holidays. | ||
| * | ||
| * @return array<string, string> | ||
| */ | ||
| protected static function buildHolidayMap(Carbon $date): array | ||
|
Check warning on line 100 in src/BavarianHolidays.php
|
||
| { | ||
| $holidays = self::HOLIDAYS_STATIC; | ||
|
|
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| $year = $date->year; | ||
|
|
||
| // dynamic holidays | ||
| // easter_days avoids issues with timezones and is not limited to UNIX timestamps, see https://github.com/briannesbitt/Carbon/pull/1052#issuecomment-381178494 | ||
| $easter = Carbon::createMidnightDate($year, 3, 21) | ||
| ->addDays(easter_days($year)); | ||
| $holidays[self::dateFromEaster($easter, -2)] = self::KARFREITAG; | ||
| $holidays[self::dateFromEaster($easter, 0)] = self::OSTERSONNTAG; | ||
| $holidays[self::dateFromEaster($easter, 1)] = self::OSTERMONTAG; | ||
|
Check warning on line 112 in src/BavarianHolidays.php
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| $holidays[self::dateFromEaster($easter, 39)] = self::CHRISTI_HIMMELFAHRT; | ||
|
Check warning on line 113 in src/BavarianHolidays.php
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| $holidays[self::dateFromEaster($easter, 49)] = self::PFINGSTSONNTAG; | ||
|
Check warning on line 114 in src/BavarianHolidays.php
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| $holidays[self::dateFromEaster($easter, 50)] = self::PFINGSTMONTAG; | ||
|
Check warning on line 115 in src/BavarianHolidays.php
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| $holidays[self::dateFromEaster($easter, 60)] = self::FRONLEICHNAM; | ||
|
Check warning on line 116 in src/BavarianHolidays.php
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||
|
|
||
| // exceptional holidays | ||
| if ($year === 2017) { | ||
| $holidays['31.10'] = self::REFORMATIONSTAG_500_JAHRE_REFORMATION; | ||
| } | ||
|
|
||
| // user-defined holidays | ||
| if (isset(self::$loadUserDefinedHolidays)) { | ||
| $holidays = array_merge( | ||
| $holidays, | ||
| (self::$loadUserDefinedHolidays)($year) | ||
| ); | ||
| } | ||
|
|
||
| return $holidays; | ||
| } | ||
|
|
||
| protected static function dateFromEaster(Carbon $easter, int $daysAway): string | ||
| { | ||
| $date = $easter->clone()->addDays($daysAway); | ||
|
|
||
| return self::dayOfTheYear($date); | ||
| } | ||
|
|
||
| public static function dayOfTheYear(Carbon $date): string | ||
| { | ||
| return $date->format('d.m'); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| <?php declare(strict_types=1); | ||
|
|
||
| namespace MLL\Utils; | ||
|
|
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| use Carbon\Carbon; | ||
|
|
||
| class DateModification | ||
| { | ||
| /** @param callable(Carbon): bool $shouldCount should the given date be added? */ | ||
| public static function addDays(Carbon $date, int $days, callable $shouldCount): Carbon | ||
| { | ||
| // Make sure we do not mutate the original date | ||
| $copy = $date->clone(); | ||
|
|
||
| while ($days > 0) { | ||
| $copy->addDay(); | ||
| if ($shouldCount($copy)) { | ||
| --$days; | ||
| } | ||
| } | ||
|
|
||
| return $copy; | ||
| } | ||
|
|
||
| /** @param callable(Carbon): bool $shouldCount should the given date be subtracted? */ | ||
| public static function subDays(Carbon $date, int $days, callable $shouldCount): Carbon | ||
| { | ||
| // Make sure we do not mutate the original date | ||
| $copy = $date->clone(); | ||
|
|
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| while ($days > 0) { | ||
| $copy->subDay(); | ||
| if ($shouldCount($copy)) { | ||
| --$days; | ||
| } | ||
| } | ||
|
|
||
| return $copy; | ||
| } | ||
| } |
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