first commit

app/Models/Setting/Tax.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Models\Setting;
+
+use App\Models\Model;
+use App\Models\Item\Item;
+use App\Models\Expense\Bill;
+use App\Models\Income\Invoice;
+
+class Tax extends Model
+{
+
+    protected $table = 'taxes';
+
+    /**
+     * Attributes that should be mass-assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['company_id', 'name', 'rate', 'enabled'];
+
+    /**
+     * Sortable columns.
+     *
+     * @var array
+     */
+    public $sortable = ['name', 'rate', 'enabled'];
+
+    public function items()
+    {
+        return $this->hasMany('App\Models\Item\Item');
+    }
+
+    public function bills()
+    {
+        return $this->hasMany('App\Models\Expense\Bill');
+    }
+
+    public function invoices()
+    {
+        return $this->hasMany('App\Models\Income\Invoice');
+    }
+
+    public function canDelete()
+    {
+        $error = false;
+
+        $items = $this->items();
+        if ($items->count()) {
+            $error['items'] = $items->count();
+        }
+
+        $bills = $this->bills();
+        if ($bills->count()) {
+            $error['bills'] = $bills->count();
+        }
+
+        $invoices = $this->invoices();
+        if ($invoices->count()) {
+            $error['invoices'] = $invoices->count();
+        }
+
+        if ($error) {
+            return $error;
+        }
+
+        return true;
+    }
+}