create stock and stock logs

app/Models/Opname.php

@@ -10,17 +10,108 @@ class Opname extends Model
 {
     use HasFactory, SoftDeletes;
 
-    protected $fillable = ['dealer_id','opname_date','user_id','note'];
+    protected $fillable = [
+        'dealer_id',
+        'opname_date',
+        'user_id',
+        'note',
+        'status',
+        'approved_by',
+        'approved_at',
+        'rejection_note'
+    ];
 
-    public function dealer(){
+    protected $casts = [
+        'approved_at' => 'datetime'
+    ];
+
+    protected static function booted()
+    {
+        static::updated(function ($opname) {
+            // Jika status berubah menjadi approved
+            if ($opname->isDirty('status') && $opname->status === 'approved') {
+                // Update stock untuk setiap detail opname
+                foreach ($opname->details as $detail) {
+                    $stock = Stock::firstOrCreate(
+                        [
+                            'product_id' => $detail->product_id,
+                            'dealer_id' => $opname->dealer_id
+                        ],
+                        ['quantity' => 0]
+                    );
+
+                    // Update stock dengan physical_stock dari opname
+                    $stock->updateStock(
+                        $detail->physical_stock,
+                        $opname,
+                        "Stock adjustment from approved opname #{$opname->id}"
+                    );
+                }
+            }
+        });
+    }
+
+    public function dealer()
+    {
         return $this->belongsTo(Dealer::class);
     }
 
-    public function details(){
+    public function details()
+    {
         return $this->hasMany(OpnameDetail::class);
     }
 
-    public function user(){
+    public function user()
+    {
         return $this->belongsTo(User::class);
     }
+
+    public function approver()
+    {
+        return $this->belongsTo(User::class, 'approved_by');
+    }
+
+    // Method untuk approve opname
+    public function approve(User $approver)
+    {
+        if ($this->status !== 'pending') {
+            throw new \Exception('Only pending opnames can be approved');
+        }
+
+        $this->status = 'approved';
+        $this->approved_by = $approver->id;
+        $this->approved_at = now();
+        $this->save();
+
+        return $this;
+    }
+
+    // Method untuk reject opname
+    public function reject(User $rejector, string $note)
+    {
+        if ($this->status !== 'pending') {
+            throw new \Exception('Only pending opnames can be rejected');
+        }
+
+        $this->status = 'rejected';
+        $this->approved_by = $rejector->id;
+        $this->approved_at = now();
+        $this->rejection_note = $note;
+        $this->save();
+
+        return $this;
+    }
+
+    // Method untuk submit opname untuk approval
+    public function submit()
+    {
+        if ($this->status !== 'draft') {
+            throw new \Exception('Only draft opnames can be submitted');
+        }
+
+        $this->status = 'pending';
+        $this->save();
+
+        return $this;
+    }
 }