65 lines
1.8 KiB
PHP
65 lines
1.8 KiB
PHP
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<?php
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namespace App\Models\Tenants;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Model;
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class IncomeTaxBracket extends Model
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{
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protected $table = 'income_tax_brackets';
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protected $fillable = [
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'tax_year',
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'salary_from',
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'salary_to',
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'family_count',
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'tax_amount',
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];
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protected $casts = [
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'tax_year' => 'integer',
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'salary_from' => 'integer',
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'salary_to' => 'integer',
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'family_count' => 'integer',
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'tax_amount' => 'integer',
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];
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public function scopeForYear(Builder $query, int $year): Builder
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{
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return $query->where('tax_year', $year);
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}
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public function scopeForSalaryRange(Builder $query, int $salaryThousand): Builder
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{
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return $query->where('salary_from', '<=', $salaryThousand)
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->where(function ($q) use ($salaryThousand) {
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$q->where('salary_to', '>', $salaryThousand)
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->orWhere(function ($q2) use ($salaryThousand) {
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$q2->whereColumn('salary_from', 'salary_to')
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->where('salary_from', $salaryThousand);
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});
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});
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}
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public function scopeForFamilyCount(Builder $query, int $count): Builder
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{
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return $query->where('family_count', $count);
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}
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/**
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* 간이세액표에서 세액 조회
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*/
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public static function lookupTax(int $year, int $salaryThousand, int $familyCount): int
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{
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$familyCount = max(1, min(11, $familyCount));
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$bracket = static::forYear($year)
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->forSalaryRange($salaryThousand)
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->forFamilyCount($familyCount)
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->first();
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return $bracket ? $bracket->tax_amount : 0;
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}
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}
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