Refactor ShiftForm to streamline field definitions and implement unique code generation for shifts based on their names. Update ShiftFactory to utilize the new code generation method.

app/Filament/Resources/Shifts/Schemas/ShiftForm.php

@@ -14,28 +14,25 @@ class ShiftForm
     {
         return $schema
             ->components([
+            TimePicker::make('starts_at')
+                ->label(__('hr.fields.starts_at'))
+                ->required()
+                ->seconds(false),
+            TimePicker::make('ends_at')
+                ->label(__('hr.fields.ends_at'))
+                ->required()
+                ->seconds(false),
+
                 TextInput::make('name')
                     ->label(__('hr.fields.name'))
                     ->required()
                     ->maxLength(255),
-                TextInput::make('code')
-                    ->label(__('hr.fields.code'))
-                    ->required()
-                    ->maxLength(50)
-                    ->unique(ignoreRecord: true),
-                TimePicker::make('starts_at')
-                    ->label(__('hr.fields.starts_at'))
-                    ->required()
-                    ->seconds(false),
-                TimePicker::make('ends_at')
-                    ->label(__('hr.fields.ends_at'))
-                    ->required()
-                    ->seconds(false),
+
                 Textarea::make('description')
                     ->label(__('hr.fields.description'))
-                    ->rows(3)
-                    ->columnSpanFull(),
-                Toggle::make('is_active')
+                    ->rows(3),
+                
+                    Toggle::make('is_active')
                     ->label(__('hr.fields.active'))
                     ->default(true)
                     ->required(),

app/Models/Shift.php

@@ -9,6 +9,7 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Str;
 
 class Shift extends Model
 {
@@ -34,6 +35,38 @@ class Shift extends Model
         ];
     }
 
+    protected static function booted(): void
+    {
+        static::saving(function (Shift $shift): void {
+            if (blank($shift->code) && filled($shift->name)) {
+                $shift->code = static::generateUniqueCodeFromName(
+                    $shift->name,
+                    $shift->id,
+                );
+            }
+        });
+    }
+
+    public static function generateUniqueCodeFromName(string $name, ?int $ignoreId = null): string
+    {
+        $base = Str::upper(Str::slug($name));
+
+        $query = static::query()
+            ->when($ignoreId, fn ($query) => $query->where('id', '!=', $ignoreId));
+
+        if (! $query->clone()->where('code', $base)->exists()) {
+            return $base;
+        }
+
+        $maxSuffix = $query->clone()
+            ->where('code', 'like', "{$base}-%")
+            ->pluck('code')
+            ->map(fn (string $code): int => (int) Str::after($code, "{$base}-"))
+            ->max();
+
+        return "{$base}-".(($maxSuffix ?? 0) + 1);
+    }
+
     public function employees(): HasMany
     {
         return $this->hasMany(Employee::class);