Initial commit - Physiotherapy Clinic Management System

app/Models/Invoice.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Invoice extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'invoice_number',
+        'patient_id',
+        'treatment_id',
+        'invoice_date',
+        'due_date',
+        'subtotal',
+        'tax_amount',
+        'discount_amount',
+        'total_amount',
+        'paid_amount',
+        'status',
+        'currency_id',
+        'notes',
+        'created_by',
+    ];
+
+    protected $casts = [
+        'invoice_date' => 'date',
+        'due_date' => 'date',
+        'subtotal' => 'decimal:2',
+        'tax_amount' => 'decimal:2',
+        'discount_amount' => 'decimal:2',
+        'total_amount' => 'decimal:2',
+        'paid_amount' => 'decimal:2',
+    ];
+
+    public function patient(): BelongsTo
+    {
+        return $this->belongsTo(Patient::class);
+    }
+
+    public function treatment(): BelongsTo
+    {
+        return $this->belongsTo(Treatment::class);
+    }
+
+    public function currency(): BelongsTo
+    {
+        return $this->belongsTo(Currency::class);
+    }
+
+    public function createdBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function payments(): HasMany
+    {
+        return $this->hasMany(Payment::class);
+    }
+
+    public function getBalanceAttribute(): float
+    {
+        return $this->total_amount - $this->paid_amount;
+    }
+}