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<?php |
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namespace Pratiksh\Nepalidate\Services; |
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use Carbon\Carbon; |
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final class EnglishDate extends DateConverter |
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{ |
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public $nep_year; |
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public $nep_month; |
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public $nep_day; |
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public Carbon $date; |
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public function __construct($nep_year, $nep_month, $nep_day) |
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{ |
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$this->nep_year = $nep_year; |
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$this->nep_month = $nep_month; |
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$this->nep_day = $nep_day; |
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// Conversion |
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$this->convertToAD(); |
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} |
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public static function create(string $date): EnglishDate |
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{ |
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$date = str_replace('/', '-', $date); |
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$date = explode('-', $date); |
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if (count($date) != 3) { |
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throw new \Exception('Invalid date format'); |
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} |
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return new static($date[0], $date[1], $date[2]); |
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} |
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public static function fromBS(string $date): EnglishDate |
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{ |
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$date = str_replace('/', '-', $date); |
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$date = explode('-', $date); |
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if (count($date) != 3) { |
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throw new \Exception('Invalid date format'); |
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} |
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return new static($date[0], $date[1], $date[2]); |
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} |
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public function convertToAD() |
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{ |
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// Throw exception if out of range |
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$this->is_in_range_nep($this->nep_year, $this->nep_month, $this->nep_day); |
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$this->conversion(); |
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} |
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public function toCarbon() |
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{ |
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return Carbon::create($this->year, $this->month, $this->day); |
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} |
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/** |
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* Convert Nepali (BS) date to English (AD) date. |
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*/ |
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protected function conversion() |
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{ |
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// Calculate total days from reference Nepali date |
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$total_bs_days = $this->calculateTotalNepaliDays($this->nep_year, $this->nep_month, $this->nep_day); |
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// Initialize with reference English date (corresponding to Nepali 2000-01-01) |
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// CORRECTED: Adjusted the reference date to fix the one-day offset |
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$initial_english_year = 1943; |
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$initial_english_month = 4; |
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$initial_english_day = 13; // Changed from 14 to 13 |
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$dayOfWeek = $this->dayOfWeek; |
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// Set initial values |
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$english_year = $initial_english_year; |
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$english_month = $initial_english_month; |
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$english_day = $initial_english_day; |
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// Process each day |
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while ($total_bs_days != 0) { |
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// Increment the English date by one day |
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$english_day++; |
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$dayOfWeek++; |
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// Handle day of week wraparound |
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if ($dayOfWeek > 7) { |
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$dayOfWeek = 1; |
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} |
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// Handle month transition |
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$days_in_month = $this->is_leap_year($english_year) ? |
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$this->leapMonths[$english_month - 1] : |
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$this->normalMonths[$english_month - 1]; |
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if ($english_day > $days_in_month) { |
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$english_month++; |
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$english_day = 1; |
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} |
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// Handle year transition |
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if ($english_month > 12) { |
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$english_year++; |
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$english_month = 1; |
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} |
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// Update object properties |
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$this->year = $english_year; |
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$this->month = $english_month; |
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$this->day = $english_day; |
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$this->dayOfWeek = $dayOfWeek; |
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$total_bs_days--; |
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} |
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$date = Carbon::create($this->year, $this->month, $this->day); |
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if ($date != false) { |
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$this->date = $date; |
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} else { |
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throw new \Exception('Invalid date'); |
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} |
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} |
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public function toAD($format = 'Y-m-d'): string |
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{ |
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return $this->date->format($format); |
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} |
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} |
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pratiksh404 /
nepalidate
