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<?php |
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namespace Spatie\Activitylog\Traits; |
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use Illuminate\Support\Collection; |
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use Spatie\Activitylog\ActivityLogger; |
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use Illuminate\Database\Eloquent\Model; |
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use Spatie\Activitylog\Models\Activity; |
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use Illuminate\Database\Eloquent\SoftDeletes; |
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use Spatie\Activitylog\ActivitylogServiceProvider; |
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use Illuminate\Database\Eloquent\Relations\MorphMany; |
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trait LogsActivity |
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{ |
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use DetectsChanges; |
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protected static function bootLogsActivity() |
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{ |
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static::eventsToBeRecorded()->each(function ($eventName) { |
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return static::$eventName(function (Model $model) use ($eventName) { |
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if (! $model->shouldLogEvent($eventName)) { |
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return; |
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} |
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$description = $model->getDescriptionForEvent($eventName); |
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$logName = $model->getLogNameToUse($eventName); |
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if ($description == '') { |
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return; |
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} |
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app(ActivityLogger::class) |
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->useLog($logName) |
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->performedOn($model) |
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->withProperties($model->attributeValuesToBeLogged($eventName)) |
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->log($description); |
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}); |
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}); |
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} |
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public function activity(): MorphMany |
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{ |
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return $this->morphMany(ActivitylogServiceProvider::determineActivityModel(), 'subject'); |
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} |
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public function getDescriptionForEvent(string $eventName): string |
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{ |
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return $eventName; |
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} |
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public function getLogNameToUse(string $eventName = ''): string |
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{ |
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return config('laravel-activitylog.default_log_name'); |
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} |
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/* |
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* Get the event names that should be recorded. |
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*/ |
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protected static function eventsToBeRecorded(): Collection |
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{ |
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if (isset(static::$recordEvents)) { |
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return collect(static::$recordEvents); |
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} |
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$events = collect([ |
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'created', |
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'updated', |
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'deleted', |
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]); |
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if (collect(class_uses_recursive(__CLASS__))->contains(SoftDeletes::class)) { |
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$events->push('restored'); |
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} |
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return $events; |
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} |
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public function attributesToBeIgnored(): array |
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{ |
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if (! isset(static::$ignoreChangedAttributes)) { |
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return []; |
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} |
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return static::$ignoreChangedAttributes; |
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} |
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protected function shouldLogEvent(string $eventName): bool |
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{ |
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if (! in_array($eventName, ['created', 'updated'])) { |
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return true; |
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} |
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if (array_has($this->getDirty(), 'deleted_at')) { |
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if ($this->getDirty()['deleted_at'] === null) { |
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return false; |
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} |
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} |
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//do not log update event if only ignored attributes are changed |
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return (bool) count(array_except($this->getDirty(), $this->attributesToBeIgnored())); |
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} |
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} |
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.