ladill-care/app/Models/Department.php

<?php

namespace App\Models;

use App\Models\Concerns\BelongsToOwner;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class Department extends Model
{
    use BelongsToOwner, SoftDeletes;

    protected $table = 'care_departments';

    protected $fillable = [
        'owner_ref', 'branch_id', 'name', 'type', 'is_active',
    ];

    protected function casts(): array
    {
        return ['is_active' => 'boolean'];
    }

    public function branch(): BelongsTo
    {
        return $this->belongsTo(Branch::class, 'branch_id');
    }

    public function careUnits(): HasMany
    {
        return $this->hasMany(CareUnit::class, 'department_id')
            ->orderBy('sort_order')
            ->orderBy('name');
    }

    /**
     * Select option label — includes branch when set so multi-branch duplicates are distinguishable.
     */
    public function labelForSelect(): string
    {
        $branch = $this->relationLoaded('branch')
            ? $this->branch
            : $this->branch()->first();

        if ($branch?->name) {
            return $this->name.' — '.$branch->name;
        }

        return (string) $this->name;
    }
}