fixes on invoices relations and revisions

app/Datatables/Shop/InvoicesDataTable.php

@@ -13,6 +13,7 @@ class InvoicesDataTable extends DataTable
 
     public function query(Invoice $model)
     {
+        $model = $model->with('customer');
         return $this->buildQuery($model);
     }
 
@@ -26,7 +27,7 @@ class InvoicesDataTable extends DataTable
                 return $invoice->created_at->toDateTimeString();
             })
             ->editColumn('customer.last_name', function (Invoice $invoice) {
-                return $invoice->customer->last_name . ' ' . $invoice->customer->first_name;
+                return ($invoice->customer ?? false) ? $invoice->customer->last_name . ' ' . $invoice->customer->first_name : '';
             })
             ->rawColumns(['action']);
         return parent::modifier($datatables);
@@ -38,7 +39,7 @@ class InvoicesDataTable extends DataTable
             
             Column::make('status'),
             Column::make('created_at')->title('Date'),
-            Column::make('customer.last_name'),
+            Column::make('customer.last_name')->default(''),
             Column::make('total'),
             $this->makeColumnButtons(),
         ];

app/Models/Shop/Invoice.php

@@ -3,19 +3,32 @@
 namespace App\Models\Shop;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+use Venturecraft\Revisionable\RevisionableTrait;
+use Znck\Eloquent\Traits\BelongsToThrough;
 
 class Invoice extends Model
 {
+    use BelongsToThrough, RevisionableTrait, SoftDeletes;
+
     protected $guarded = ['id'];
     protected $table = 'shop_invoices';
+    protected $revisionCreationsEnabled = false;
+    protected $keepRevisionOf = ['status', 'total_taxed', 'shipping', 'total_shipped'];
 
-    public function InvoiceItems()
+    public function payments()
     {
-        return $this->hasMany(InvoiceItem::class);
+        return $this->hasMany(InvoicePayment::class);
     }
 
-    public function Customer()
+    public function order()
     {
-        return $this->belongsTo(Customer::class);
+        return $this->belongsTo(Order::class);
+    }
+
+    public function customer()
+    {
+        return $this->belongsToThrough(Customer::class, Order::class, null, '', [Customer::class => 'customer_id', Order::class => 'order_id']);
     }
 }

app/Repositories/Shop/Invoices.php

@@ -65,6 +65,11 @@ class Invoices
         return $last_ref ? $last_ref->ref + 1 : $ref + 1;
     }
 
+    public static function getStatus($id)
+    {
+        return self::statuses()[$id] ?? false;
+    }
+
     public static function statuses()
     {
         return ['En attente', 'Non soldée', 'Soldée'];