Added filter by region

app/Nova/Filters/RegionFilter.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Nova\Filters;
+
+use App\Repos\System\Settings\Location\RegionRepo;
+use Laravel\Nova\Filters\Filter;
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+class RegionFilter extends Filter
+{
+    /**
+     * The filter's component.
+     *
+     * @var string
+     */
+    public $component = 'select-filter';
+
+    /**
+     * Get the displayable name of the filter.
+     *
+     * @return string
+     */
+    public function name(): string
+    {
+        return __('Region');
+    }
+
+    /**
+     * Apply the filter to the given query.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @param  \Illuminate\Database\Eloquent\Builder  $query
+     * @param  mixed  $value
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function apply(NovaRequest $request, $query, $value)
+    {
+        return $value ? $query->where('region', $value) : $query;
+    }
+
+    /**
+     * Get the filter's available options.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return array
+     */
+    public function options(NovaRequest $request): array
+    {
+        return array_flip(RegionRepo::values());
+    }
+}

app/Nova/Resources/Branch/Branch.php

@@ -3,6 +3,7 @@
 namespace App\Nova\Resources\Branch;
 
 use App\Models\Branch\Branch as BranchModel;
+use App\Nova\Filters\RegionFilter;
 use App\Repos\System\Nova\NovaRepo;
 use App\Repos\System\Settings\Location\RegionRepo;
 use Illuminate\Http\Request;
@@ -113,7 +114,9 @@ class Branch extends Resource
      */
     public function filters(NovaRequest $request)
     {
-        return [];
+        return [
+            new RegionFilter(),
+        ];
     }
 
     /**

app/Nova/Resources/Order/Loan/LoanOrder.php

@@ -5,6 +5,7 @@ namespace App\Nova\Resources\Order\Loan;
 use App\Models\Branch\Branch;
 use App\Models\Order\Loan\LoanOrder as LoanOrderModel;
 use App\Models\System\Location\Province;
+use App\Nova\Filters\RegionFilter;
 use App\Nova\Resource;
 use App\Nova\Resources\Order\Loan\Concerns\LoanOrderEvents;
 use App\Nova\Resources\Order\Loan\Concerns\LoanOrderFieldsForDetail;
@@ -356,7 +357,9 @@ class LoanOrder extends Resource
      */
     public function filters(NovaRequest $request): array
     {
-        return [];
+        return [
+            new RegionFilter(),
+        ];
     }
 
     /**

app/Nova/Resources/System/Location/Province.php

@@ -3,6 +3,7 @@
 namespace App\Nova\Resources\System\Location;
 
 use App\Models\System\Location\Province as ProvinceModel;
+use App\Nova\Filters\RegionFilter;
 use App\Nova\Resource;
 use App\Repos\System\Settings\Location\RegionRepo;
 use Illuminate\Http\Request;
@@ -91,7 +92,9 @@ class Province extends Resource
      */
     public function filters(NovaRequest $request): array
     {
-        return [];
+        return [
+            new RegionFilter(),
+        ];
     }
 
     /**