construprogress/app/Livewire/ProjectCompaniesTable.php

<?php

namespace App\Livewire;

use App\Models\Company;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;
use Livewire\Attributes\On;
use Rappasoft\LaravelLivewireTables\DataTableComponent;
use Rappasoft\LaravelLivewireTables\Views\Column;
use Rappasoft\LaravelLivewireTables\Views\Filters\SelectFilter;

class ProjectCompaniesTable extends DataTableComponent
{
    protected $model = Company::class;

    public int $projectId;

    /** role_in_project => label */
    public const ROLES = [
        'owner'         => 'Promotor',
        'constructor'   => 'Constructor',
        'subcontractor' => 'Subcontratista',
        'consultant'    => 'Consultor',
        'supplier'      => 'Proveedor',
        'other'         => 'Otro',
    ];

    public function configure(): void
    {
        $this->setPrimaryKey('id')
             ->setDefaultSort('companies.name', 'asc')
             ->setSortingPillsEnabled(false)
             ->setAdditionalSelects(['companies.id as id', 'company_project.role_in_project as role_in_project']);
    }

    #[On('project-companies-changed')]
    public function refreshRows(): void
    {
        // no-op: triggers re-render so the builder re-runs.
    }

    public function builder(): Builder
    {
        return Company::query()
            ->join('company_project', 'company_project.company_id', '=', 'companies.id')
            ->where('company_project.project_id', $this->projectId);
    }

    public function columns(): array
    {
        return [
            Column::make('Empresa', 'name')
                  ->sortable()
                  ->searchable()
                  ->format(function ($value, $row) {
                      $initial = strtoupper(mb_substr($value ?? '?', 0, 1));
                      $html = '<div class="flex items-center gap-2">
                          <span class="w-7 h-7 rounded-full bg-primary text-primary-content flex items-center justify-center text-xs font-bold shrink-0">'.$initial.'</span>
                          <div><span class="font-medium">'.e($value).'</span>';
                      if ($row->tax_id) {
                          $html .= '<div class="text-xs text-base-content/50">'.e($row->tax_id).'</div>';
                      }
                      $html .= '</div></div>';
                      return $html;
                  })
                  ->html(),

            Column::make('Rol', 'role_in_project')
                  ->label(function ($row) {
                      $current = $row->role_in_project;
                      if (! Auth::user()->can('assign companies')) {
                          return '<span class="badge badge-sm">'.(self::ROLES[$current] ?? ucfirst((string) $current)).'</span>';
                      }
                      $opts = '';
                      foreach (self::ROLES as $val => $label) {
                          $opts .= '<option value="'.$val.'"'.($current === $val ? ' selected' : '').'>'.$label.'</option>';
                      }
                      return '<select wire:change="changeRole('.$row->id.', $event.target.value)" class="select select-bordered select-xs">'.$opts.'</select>';
                  })
                  ->html(),

            Column::make('Acciones')
                  ->label(function ($row) {
                      if (! Auth::user()->can('assign companies')) {
                          return '';
                      }
                      return '<div class="flex justify-end">
                          <button wire:click="removeCompany('.$row->id.')" wire:confirm="¿Quitar a '.e($row->name).' del proyecto?"
                              class="btn btn-xs btn-error btn-outline" title="Quitar del proyecto">
                              <svg xmlns="http://www.w3.org/2000/svg" class="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
                          </button>
                      </div>';
                  })
                  ->html(),
        ];
    }

    public function filters(): array
    {
        return [
            SelectFilter::make('Rol', 'role')
                ->options(['' => 'Rol: todos'] + self::ROLES)
                ->filter(fn (Builder $query, string $value) => $query->where('company_project.role_in_project', $value)),
        ];
    }

    public function changeRole($companyId, $role): void
    {
        abort_unless(Auth::user()->can('assign companies'), 403);
        if (! array_key_exists($role, self::ROLES)) {
            return;
        }
        \App\Models\Project::findOrFail($this->projectId)
            ->companies()->updateExistingPivot($companyId, ['role_in_project' => $role]);
        $this->dispatch('project-companies-changed');
        $this->dispatch('notify', 'Rol actualizado.');
    }

    public function removeCompany($companyId): void
    {
        abort_unless(Auth::user()->can('assign companies'), 403);
        \App\Models\Project::findOrFail($this->projectId)->companies()->detach($companyId);
        $this->dispatch('project-companies-changed');
        $this->dispatch('notify', 'Empresa eliminada del proyecto.');
    }
}