111 lines
2.8 KiB
PHP
111 lines
2.8 KiB
PHP
<?php
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namespace App\Models;
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use App\Enums\InvoiceStatus;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Illuminate\Database\Eloquent\Relations\BelongsToMany;
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use Illuminate\Database\Eloquent\Relations\HasMany;
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use Illuminate\Database\Eloquent\Relations\HasManyThrough;
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use Illuminate\Database\Eloquent\SoftDeletes;
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class Invoice extends Model
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{
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use HasFactory, SoftDeletes;
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protected $fillable = [
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'internal_id',
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'customer_id',
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'status',
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'subtotal',
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'total',
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'pst_rate',
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'gst_rate',
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'pst_amount',
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'gst_amount',
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'has_pst',
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'has_gst',
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'date',
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'due_date',
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];
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protected $casts = [
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'has_gst' => 'boolean',
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'has_pst' => 'boolean',
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'date' => 'datetime',
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'total' => 'decimal:2',
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'subtotal' => 'decimal:2',
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'status' => InvoiceStatus::class,
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];
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public static function boot(): void
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{
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parent::boot();
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static::created(function (Invoice $model) {
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$model->attributes['internal_id'] = 'TN4'.str_pad($model->id, 4, '0', STR_PAD_LEFT);
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$model->save();
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});
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}
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public function calculateTotals(): void
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{
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if (empty($this->orders)) {
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$this->subtotal = 0;
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$this->gst_amount = 0;
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$this->pst_amount = 0;
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$this->total = 0;
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$this->save();
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return;
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}
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$subtotal = $this->orders->sum(fn (Order $order) => $order->total_service_price);
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$this->subtotal = $subtotal;
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$gstAmount = $this->calculateTaxAmount($subtotal, $this->gst_rate, $this->has_gst);
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$pstAmount = $this->calculateTaxAmount($subtotal, $this->pst_rate, $this->has_pst);
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$this->gst_amount = $gstAmount;
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$this->pst_amount = $pstAmount;
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$this->total = $subtotal + $gstAmount + $pstAmount;
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$this->save();
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}
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private function calculateTaxAmount(float $amount, float $rate, ?bool $apply): float
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{
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return $apply ? $amount * ($rate / 100) : 0;
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}
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public function setStatus(InvoiceStatus $status): void
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{
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if ($this->status !== $status) {
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$this->status = $status;
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$this->save();
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}
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}
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public function orders(): HasMany
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{
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return $this->HasMany(Order::class);
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}
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public function customer(): BelongsTo
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{
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return $this->belongsTo(Customer::class);
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}
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public function productServices(): HasManyThrough
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{
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return $this->hasManyThrough(ProductService::class, Order::class);
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}
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public function invoiceReports(): BelongsToMany
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{
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return $this->belongsToMany(InvoiceReport::class);
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}
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}
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