101 lines
2.5 KiB
PHP
101 lines
2.5 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace App\Models;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Number;
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class Currency extends Model
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{
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protected $hidden = [];
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protected $primaryKey = 'currency';
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protected $keyType = 'string';
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/**
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* The attributes that are mass assignable.
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*
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* @var array
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*/
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protected $fillable = [
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'currency',
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'label',
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];
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/**
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* Get the attributes that should be cast.
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*
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* @return array<string, string>
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*/
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protected function casts(): array
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{
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return [
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'created_at' => 'datetime',
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'updated_at' => 'datetime',
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];
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}
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public static function forHumans(int|float $number, ?string $currency = null, ?string $locale = null): string
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{
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$symbol = Number::currencySymbol($currency, $locale);
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return $symbol.Number::forHumans($number);
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}
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/**
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* Returns a list of supported currencies
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*
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* @param bool|null $withAliases Whether to include aliases in list of currencies
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*/
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public static function list(?bool $withAliases = true): Collection
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{
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$aliases = $withAliases ? collect(config('investbrain.currency_aliases'))->map(function ($value, $currency) {
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return [
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'currency' => $currency,
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'label' => $value['label'],
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];
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})->values() : collect();
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return $aliases->merge(self::get()->map->only(['currency', 'label']));
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}
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/**
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* Converts between supported currencies
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*
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* @param string|null $to (defaults to base currency)
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*/
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public static function convert(?float $value, string $from, ?string $to = null, mixed $date = null): float
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{
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if (empty($value)) {
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return 0;
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}
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// Assume converting to base
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if (empty($to)) {
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$to = config('investbrain.base_currency');
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}
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// Get rate
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[$from, $to] = [
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cache()->remember($from.'_rate_'.$date, 10, function () use ($from, $date) {
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return CurrencyRate::historic($from, $date);
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}),
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cache()->remember($to.'_rate_'.$date, 10, function () use ($to, $date) {
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return CurrencyRate::historic($to, $date);
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}),
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];
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// get from rate
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$rate_to_base = 1 / $from;
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// get value in base currency
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$base_currency_value = $value * $rate_to_base;
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return (float) $base_currency_value * $to;
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}
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}
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