Initial commit: Sistema de comisiones y gastos personales
This commit is contained in:
211
app/Services/CommissionCalculator.php
Executable file
211
app/Services/CommissionCalculator.php
Executable file
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<?php
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namespace App\Services;
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use App\Models\DailySale;
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use App\Models\Expense;
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use App\Models\Month;
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use App\Models\User;
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use Illuminate\Support\Facades\DB;
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class CommissionCalculator
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{
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/**
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* Calcular comisión para un usuario en un mes específico
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*/
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public static function calculateForMonth(User $user, Month $month): array
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{
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// Verificar que el mes pertenece al usuario
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if ($month->user_id !== $user->id) {
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throw new \InvalidArgumentException('El mes no pertenece al usuario');
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}
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// Total de ventas del usuario
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$totalUserSales = $month->dailySales()->sum('user_sales');
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// Total de ventas del sistema
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$totalSystemSales = $month->dailySales()->sum('system_sales');
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// Total de gastos
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$totalExpenses = $month->expenses()->sum('amount');
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// Salario base
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$monthlySalary = $user->monthly_salary;
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// Porcentaje de comisión
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$commissionPercentage = $user->commission_percentage;
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// Calcular comisión basada en ventas del sistema (ventas consolidadas)
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$commission = ($totalSystemSales * $commissionPercentage) / 100;
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// Calcular percepción total (salario + comisión - gastos)
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$totalEarning = $monthlySalary + $commission - $totalExpenses;
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return [
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'user_id' => $user->id,
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'month_id' => $month->id,
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'month_name' => $month->name . ' ' . $month->year,
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'total_user_sales' => round($totalUserSales, 2),
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'total_system_sales' => round($totalSystemSales, 2),
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'total_expenses' => round($totalExpenses, 2),
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'monthly_salary' => round($monthlySalary, 2),
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'commission_percentage' => round($commissionPercentage, 2),
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'commission_amount' => round($commission, 2),
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'total_earning' => round($totalEarning, 2),
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'has_difference' => ($totalUserSales !== $totalSystemSales),
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'sales_difference' => round($totalUserSales - $totalSystemSales, 2),
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];
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}
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/**
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* Calcular quincena (primera o segunda)
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*
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* QUINCENA 1 (ANTICIPO): mitad salary + comisiones del MES completo
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* QUINCENA 2 (LIQUIDACIÓN): mitad salary - gastos de la segunda quincena
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*/
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public static function calculateBiweekly(User $user, Month $month, int $biweekly): array
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{
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if ($month->user_id !== $user->id) {
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throw new \InvalidArgumentException('El mes no pertenece al usuario');
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}
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$monthlySalary = $user->monthly_salary;
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$biweeklySalary = $monthlySalary / 2; // Mitad del sueldo
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$commissionPercentage = $user->commission_percentage;
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// Get month number
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$monthNumber = self::getMonthNumber($month->name);
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$year = $month->year;
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$lastDay = self::getLastDayOfMonth($month->name, $year);
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if ($biweekly === 1) {
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// =====================
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// QUINCENA 1 - ANTICIPO
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// =====================
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// Anticipo = mitad del sueldo + comisiones del MES completo
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$totalSystemSales = $month->dailySales()->sum('system_sales');
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$commission = ($totalSystemSales * $commissionPercentage) / 100;
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// Gastos: q1 completo + mensual/2
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$expensesQ1Amount = $month->expenses()
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->where(function($q) {
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$q->where('expense_type', 'q1')
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->orWhere('expense_type', 'mensual');
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})
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->get()
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->sum(function($e) {
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return $e->expense_type === 'mensual' ? $e->amount / 2 : $e->amount;
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});
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$totalEarning = $biweeklySalary + $commission - $expensesQ1Amount;
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return [
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'user_id' => $user->id,
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'month_id' => $month->id,
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'month_name' => $month->name . ' ' . $year,
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'biweekly' => $biweekly,
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'period' => '1ra Quincena (1-15) - ANTICIPO',
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'description' => 'Mitad del sueldo + comisiones del mes completo',
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'biweekly_salary' => round($biweeklySalary, 2),
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'total_system_sales' => round($totalSystemSales, 2),
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'commission_percentage' => round($commissionPercentage, 2),
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'commission_amount' => round($commission, 2),
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'total_expenses_month' => 0,
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'expenses_q1' => round($expensesQ1Amount, 2),
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'expenses_q2' => 0,
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'total_earning' => round($totalEarning, 2),
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'type' => 'anticipo',
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];
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} else {
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// =====================
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// QUINCENA 2 - LIQUIDACIÓN
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// =====================
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// Liquidación = mitad del sueldo - gastos de Q2
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// Gastos: q2 completo + mensual/2
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$expensesQ2Amount = $month->expenses()
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->where(function($q) {
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$q->where('expense_type', 'q2')
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->orWhere('expense_type', 'mensual');
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})
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->get()
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->sum(function($e) {
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return $e->expense_type === 'mensual' ? $e->amount / 2 : $e->amount;
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});
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// Total a pagar en liquidacion
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$totalEarning = $biweeklySalary - $expensesQ2Amount;
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return [
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'user_id' => $user->id,
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'month_id' => $month->id,
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'month_name' => $month->name . ' ' . $year,
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'biweekly' => $biweekly,
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'period' => "2da Quincena (16-$lastDay) - LIQUIDACIÓN",
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'description' => 'Mitad del sueldo - mitad de gastos del mes',
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'biweekly_salary' => round($biweeklySalary, 2),
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'total_system_sales' => 0,
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'expenses_q2' => round($expensesQ2Amount, 2),
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'total_earning' => round($totalEarning, 2),
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'type' => 'liquidacion',
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];
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}
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}
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/**
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* Resumen anual del usuario
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*/
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public static function calculateYearly(User $user, int $year): array
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{
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$months = $user->months()->where('year', $year)->get();
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$totalUserSales = 0;
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$totalSystemSales = 0;
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$totalExpenses = 0;
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$totalSalary = 0;
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$totalCommission = 0;
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foreach ($months as $month) {
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$totalUserSales += $month->dailySales()->sum('user_sales');
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$totalSystemSales += $month->dailySales()->sum('system_sales');
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$totalExpenses += $month->expenses()->sum('amount');
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$totalSalary += $user->monthly_salary;
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$totalCommission += ($month->dailySales()->sum('system_sales') * $user->commission_percentage) / 100;
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}
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return [
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'user_id' => $user->id,
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'year' => $year,
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'months_count' => $months->count(),
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'total_user_sales' => round($totalUserSales, 2),
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'total_system_sales' => round($totalSystemSales, 2),
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'total_expenses' => round($totalExpenses, 2),
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'total_salary' => round($totalSalary, 2),
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'total_commission' => round($totalCommission, 2),
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'total_earning' => round($totalSalary + $totalCommission - $totalExpenses, 2),
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];
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}
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/**
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* Obtener número del mes por nombre
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*/
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private static function getMonthNumber(string $monthName): int
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{
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$months = [
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'Enero' => 1, 'Febrero' => 2, 'Marzo' => 3, 'Abril' => 4,
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'Mayo' => 5, 'Junio' => 6, 'Julio' => 7, 'Agosto' => 8,
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'Septiembre' => 9, 'Octubre' => 10, 'Noviembre' => 11, 'Diciembre' => 12
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];
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return $months[$monthName] ?? 1;
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}
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/**
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* Obtener último día del mes
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*/
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private static function getLastDayOfMonth(string $monthName, int $year): int
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{
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$monthNumber = self::getMonthNumber($monthName);
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return (int) date('t', mktime(0, 0, 0, $monthNumber, 1, $year));
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}
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}
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