Add Stargas supplier dashboard with performance analytics

src/app/Models/SupplierInvoice.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SupplierInvoice extends Model
+{
+    protected $table = 'PL_BILL';
+    public $timestamps = false;
+
+    protected $casts = [
+        'DOCDTETME' => 'datetime',
+    ];
+
+    public function supplier()
+    {
+        return $this->belongsTo(Supplier::class, 'ACCNO', 'SUPLCDE');
+    }
+
+    public function lines()
+    {
+        return $this->hasMany(SupplierInvoiceLine::class, 'REFNO', 'REFNO');
+    }
+}