TenantAtlas/app/Filament/Widgets/Dashboard/DashboardKpis.php

<?php

declare(strict_types=1);

namespace App\Filament\Widgets\Dashboard;

use App\Filament\Resources\FindingResource;
use App\Models\Finding;
use App\Models\OperationRun;
use App\Models\Tenant;
use App\Models\User;
use App\Support\Auth\Capabilities;
use App\Support\OperationRunLinks;
use App\Support\OpsUx\ActiveRuns;
use App\Support\Rbac\UiTooltips;
use Filament\Facades\Filament;
use Filament\Widgets\StatsOverviewWidget;
use Filament\Widgets\StatsOverviewWidget\Stat;

class DashboardKpis extends StatsOverviewWidget
{
    protected int|string|array $columnSpan = 'full';

    protected function getPollingInterval(): ?string
    {
        $tenant = Filament::getTenant();

        if (! $tenant instanceof Tenant) {
            return null;
        }

        return ActiveRuns::existForTenant($tenant) ? '10s' : null;
    }

    /**
     * @return array<Stat>
     */
    protected function getStats(): array
    {
        $tenant = Filament::getTenant();

        if (! $tenant instanceof Tenant) {
            return $this->emptyStats();
        }

        $tenantId = (int) $tenant->getKey();

        $openDriftFindings = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->openDrift()
            ->count();

        $highSeverityActiveFindings = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->highSeverityActive()
            ->count();

        $activeRuns = (int) OperationRun::query()
            ->where('tenant_id', $tenantId)
            ->healthyActive()
            ->count();

        $followUpRuns = (int) OperationRun::query()
            ->where('tenant_id', $tenantId)
            ->dashboardNeedsFollowUp()
            ->count();

        $openDriftUrl = $openDriftFindings > 0
            ? $this->findingsUrl($tenant, [
                'tab' => 'needs_action',
                'finding_type' => Finding::FINDING_TYPE_DRIFT,
            ])
            : null;
        $highSeverityUrl = $highSeverityActiveFindings > 0
            ? $this->findingsUrl($tenant, [
                'tab' => 'needs_action',
                'high_severity' => 1,
            ])
            : null;
        $findingsHelperText = $this->findingsHelperText($tenant);

        return [
            Stat::make('Open drift findings', $openDriftFindings)
                ->description($openDriftUrl === null && $openDriftFindings > 0
                    ? $findingsHelperText
                    : 'active drift workflow items')
                ->color($openDriftFindings > 0 ? 'warning' : 'gray')
                ->url($openDriftUrl),
            Stat::make('High severity active findings', $highSeverityActiveFindings)
                ->description($highSeverityUrl === null && $highSeverityActiveFindings > 0
                    ? $findingsHelperText
                    : 'high or critical findings needing review')
                ->color($highSeverityActiveFindings > 0 ? 'danger' : 'gray')
                ->url($highSeverityUrl),
            Stat::make('Active operations', $activeRuns)
                ->description('healthy queued or running tenant work')
                ->color($activeRuns > 0 ? 'info' : 'gray')
                ->url($activeRuns > 0 ? OperationRunLinks::index($tenant, activeTab: 'active') : null),
            Stat::make('Operations needing follow-up', $followUpRuns)
                ->description('failed, warning, or stalled runs')
                ->color($followUpRuns > 0 ? 'danger' : 'gray')
                ->url($followUpRuns > 0 ? OperationRunLinks::index($tenant, activeTab: 'blocked') : null),
        ];
    }

    /**
     * @return array<Stat>
     */
    private function emptyStats(): array
    {
        return [
            Stat::make('Open drift findings', 0),
            Stat::make('High severity active findings', 0),
            Stat::make('Active operations', 0),
            Stat::make('Operations needing follow-up', 0),
        ];
    }

    /**
     * @param  array<string, mixed>  $parameters
     */
    private function findingsUrl(Tenant $tenant, array $parameters): ?string
    {
        if (! $this->canOpenFindings($tenant)) {
            return null;
        }

        return FindingResource::getUrl('index', $parameters, panel: 'tenant', tenant: $tenant);
    }

    private function findingsHelperText(Tenant $tenant): string
    {
        return $this->canOpenFindings($tenant)
            ? 'Open findings'
            : UiTooltips::INSUFFICIENT_PERMISSION;
    }

    private function canOpenFindings(Tenant $tenant): bool
    {
        $user = auth()->user();

        return $user instanceof User
            && $user->canAccessTenant($tenant)
            && $user->can(Capabilities::TENANT_FINDINGS_VIEW, $tenant);
    }
}