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<?php |
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namespace Spatie\UptimeMonitor\Models; |
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use Spatie\UptimeMonitor\Events\SiteDown; |
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use Carbon\Carbon; |
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use Illuminate\Database\Eloquent\Model; |
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use Spatie\UptimeMonitor\Events\SiteRestored; |
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use Spatie\UptimeMonitor\Events\SiteUp; |
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use Spatie\UptimeMonitor\Models\Enums\SslCertificateStatus; |
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use Spatie\UptimeMonitor\Models\Enums\UptimeStatus; |
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use Spatie\Url\Url; |
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use UrlSigner; |
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class Site extends Model |
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{ |
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protected $guarded = []; |
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protected $dates = [ |
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'uptime_last_checked_on', |
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'last_uptime_status_change_on', |
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'ssl_certificate_expiration_date', |
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]; |
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public function scopeEnabled($query) |
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{ |
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return $query->where('enabled', true); |
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} |
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public function getUrlAttribute() |
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{ |
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return Url::fromString($this->attributes['url']); |
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} |
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public static function boot() |
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{ |
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static::saving(function (Site $site) { |
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if ($site->getOriginal('status') != $site->status) { |
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$site->last_uptime_status_change_on = Carbon::now(); |
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}; |
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}); |
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} |
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public function shouldCheckUptime() : bool |
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{ |
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if (! $this->enabled) { |
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return false; |
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} |
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if ($this->uptime_status = UptimeStatus::NOT_YET_CHECKED) { |
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return true; |
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} |
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if ($this->uptime_status === UptimeStatus::DOWN) { |
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return true; |
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} |
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return $this->uptime_last_checked_on->diffInMinutes() >= $this->ping_every_minutes; |
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} |
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public function pingSucceeded($responseHtml) |
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{ |
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if (!$this->lookForStringPresentOnResponse($responseHtml)) { |
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$this->siteIsDown("String `{$this->look_for_string}` was not found on the response"); |
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} |
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$this->siteIsUp(); |
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} |
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public function pingFailed(string $reason) |
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{ |
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$this->siteIsDown($reason); |
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} |
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public function siteIsUp() |
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{ |
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$this->uptime_status = UptimeStatus::UP; |
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$this->last_failure_reason = ''; |
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$wasFailing = $this->times_failed_in_a_row > 0; |
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$this->times_failed_in_a_row = 0; |
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$this->uptime_last_checked_on = Carbon::now(); |
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$this->save(); |
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$eventClass = ($wasFailing ? SiteRestored::class : SiteUp::class); |
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event(new $eventClass($this)); |
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} |
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public function siteIsDown(string $reason) |
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{ |
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$previousStatus = $this->uptime_status; |
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$this->uptime_status = UptimeStatus::DOWN; |
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$this->times_failed_in_a_row++; |
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$this->uptime_last_checked_on = Carbon::now(); |
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$this->last_failure_reason = $reason; |
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$this->save(); |
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if ($this->shouldFireDownEvent($previousStatus)) { |
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event(new SiteDown($this)); |
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} |
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} |
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public function lookForStringPresentOnResponse(string $responseHtml = '') : bool |
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{ |
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if ($this->look_for_string == '') { |
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return true; |
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} |
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return str_contains($responseHtml, $this->look_for_string); |
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} |
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public function getPingRequestMethod() : string |
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{ |
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return $this->look_for_string == '' ? 'HEAD' : 'GET'; |
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} |
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protected function shouldFireDownEvent($previousStatus): bool |
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{ |
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if ($previousStatus != UptimeStatus::DOWN) { |
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return true; |
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} |
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if (Carbon::now()->diffInMinutes() >= config('resend_down_notification_every_minutes')) { |
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return true; |
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} |
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return false; |
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} |
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public function isHealthy() |
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{ |
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if (in_array($this->uptime_status, [UptimeStatus::DOWN, UptimeStatus::NOT_YET_CHECKED])) { |
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return false; |
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} |
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if ($this->check_ssl_certificate && $this->ssl_certificate_status === SslCertificateStatus::INVALID) { |
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return false; |
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} |
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return true; |
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} |
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} |
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spatie /
laravel-uptime-monitor
