63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
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<?php
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namespace Blax\Shop\Traits;
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use Carbon\Carbon;
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trait HasBookingPriceCalculation
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{
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/**
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* Calculate the fractional days between two dates.
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* This calculates the exact duration in minutes and converts to days (24-hour periods).
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*
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* Examples:
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* - 1 day exactly (24 hours) = 1.0
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* - 1.5 days (36 hours) = 1.5
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* - 12 hours = 0.5
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* - 1 day + 6 hours = 1.25
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*
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* @param \DateTimeInterface $from Start date/time
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* @param \DateTimeInterface $until End date/time
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* @return float Number of days (can be fractional)
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*/
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protected function calculateBookingDays(\DateTimeInterface $from, \DateTimeInterface $until): float
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{
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if (!$from instanceof Carbon) {
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$from = Carbon::parse($from);
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}
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if (!$until instanceof Carbon) {
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$until = Carbon::parse($until);
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}
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// Calculate the exact duration in minutes
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$totalMinutes = $from->diffInMinutes($until);
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// Convert to days (1 day = 1440 minutes)
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$days = $totalMinutes / 1440;
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// Round to 10 decimal places to avoid floating point errors
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// while maintaining precision for fractional days
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$days = round($days, 10);
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// Return at least a minimum value if dates are the same or very close
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return max(0.000694, $days); // 0.000694 ≈ 1 minute in days
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}
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/**
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* Calculate the price for a booking based on exact duration.
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*
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* @param float $pricePerDay Price per day (24 hours)
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* @param \DateTimeInterface $from Start date/time
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* @param \DateTimeInterface $until End date/time
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* @return float Calculated price for the duration
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*/
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protected function calculateBookingPrice(
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float $pricePerDay,
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\DateTimeInterface $from,
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\DateTimeInterface $until
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): float {
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$days = $this->calculateBookingDays($from, $until);
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return $pricePerDay * $days;
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}
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}
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