Add relationship to Tindak Lanjut in PelaksanaanTindakLanjut model; update Nova resources to filter months based on triwulan selection

Author: laravelwebdev

app/Models/PelaksanaanTindakLanjut.php

@@ -3,9 +3,15 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class PelaksanaanTindakLanjut extends Model
 {
+    public function tindakLanjut(): BelongsTo
+    {
+        return $this->belongsTo(TindakLanjut::class);
+    }
+
     protected $casts = [
         'bukti_dukung' => 'array',
     ];

app/Nova/AnalisisSakip.php

@@ -72,7 +72,7 @@ public function fields(NovaRequest $request)
                 ->sortable()
                 ->exceptOnForms(),
             Select::make('Bulan Pelaksanaan', 'bulan')
-                ->options(Helper::$bulan)
+                ->options(array_slice(Helper::$bulan, 0, now()->month, true))
                 ->displayUsingLabels()
                 ->sortable()
                 ->filterable()

app/Nova/PelaksanaanTindakLanjut.php

@@ -14,6 +14,7 @@
 
 class PelaksanaanTindakLanjut extends Resource
 {
+    public static $with = ['tindakLanjut'];
     /**
      * The model the resource corresponds to.
      *
@@ -60,7 +61,21 @@ public function fields(NovaRequest $request)
     {
         return [
             Select::make('Bulan Pelaksanaan', 'bulan')
-                ->options(Helper::$bulan)
+                 ->options(function () {
+                    $triwulan = $this->tindakLanjut->triwulan;
+                    switch ($triwulan) {
+                        case 1:
+                            return array_intersect_key(Helper::$bulan, array_flip([4, 5, 6]));
+                        case 2:
+                            return array_intersect_key(Helper::$bulan, array_flip([7, 8, 9]));
+                        case 3:
+                            return array_intersect_key(Helper::$bulan, array_flip([10, 11, 12]));
+                        case 4:
+                            return array_intersect_key(Helper::$bulan, array_flip([1, 2, 3]));
+                        default:
+                            return [];
+                    }
+                })
                 ->displayUsingLabels()
                 ->sortable()
                 ->filterable()

app/Nova/TindakLanjut.php

@@ -72,10 +72,10 @@ public function fields(NovaRequest $request)
                 ->exceptOnForms(),
             Select::make('Triwulan')
                 ->options([
-                    1 => 'Triwulan I',
-                    2 => 'Triwulan II',
-                    3 => 'Triwulan III',
-                    4 => 'Triwulan IV',
+                    1 => 'Triwulan 1',
+                    2 => 'Triwulan 2',
+                    3 => 'Triwulan 3',
+                    4 => 'Triwulan 4',
                 ])
                 ->displayUsingLabels()
                 ->filterable()