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ScheduledExecutionExtension::onBeforeWrite()   B
last analyzed

Complexity

Conditions 10
Paths 37

Size

Total Lines 33

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 33
rs 7.6666
c 0
b 0
f 0
cc 10
nc 37
nop 0

How to fix   Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

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<?php
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namespace Symbiote\QueuedJobs\Extensions;
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use SilverStripe\Forms\DatetimeField;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\Forms\FieldGroup;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\NumericField;
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use SilverStripe\Forms\ReadonlyField;
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use SilverStripe\Forms\TextField;
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use SilverStripe\ORM\DataExtension;
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use SilverStripe\ORM\FieldType\DBDatetime;
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use Symbiote\QueuedJobs\DataObjects\QueuedJobDescriptor;
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use Symbiote\QueuedJobs\Jobs\ScheduledExecutionJob;
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use Symbiote\QueuedJobs\Services\QueuedJobService;
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/**
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 * An extension that can be added to objects that automatically
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 * adds scheduled execution capabilities to data objects.
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 *
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 * Developers who want to use these capabilities can set up
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 *
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 * @author [email protected]
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 * @license BSD License http://silverstripe.org/bsd-license/
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 */
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class ScheduledExecutionExtension extends DataExtension
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{
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    /**
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     * @var array
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     */
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    private static $db = array(
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        'FirstExecution' => 'DBDatetime',
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        'ExecuteInterval' => 'Int',
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        'ExecuteEvery' => "Enum(',Minute,Hour,Day,Week,Fortnight,Month,Year')",
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        'ExecuteFree' => 'Varchar',
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    );
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    /**
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     * @var array
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     */
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    private static $defaults = array(
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        'ExecuteInterval' => 1,
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    );
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    /**
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     * @var array
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     */
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    private static $has_one = array(
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        'ScheduledJob' => QueuedJobDescriptor::class,
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    );
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    /**
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     * @param FieldList $fields
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     */
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    public function updateCMSFields(FieldList $fields)
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    {
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        $fields->removeByName([
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            'ExecuteInterval',
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            'ExecuteEvery',
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            'ExecuteFree',
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            'FirstExecution'
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        ]);
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        $fields->findOrMakeTab(
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            'Root.Schedule',
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            _t(__CLASS__ . '.ScheduleTabTitle', 'Schedule')
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        );
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        $fields->addFieldsToTab('Root.Schedule', array(
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            $dt = DatetimeField::create('FirstExecution', _t(__CLASS__ . '.FIRST_EXECUTION', 'First Execution')),
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            FieldGroup::create(
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                NumericField::create('ExecuteInterval', ''),
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                DropdownField::create(
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                    'ExecuteEvery',
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                    '',
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                    array(
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                        '' => '',
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                        'Minute' => _t(__CLASS__ . '.ExecuteEveryMinute', 'Minute'),
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                        'Hour' => _t(__CLASS__ . '.ExecuteEveryHour', 'Hour'),
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                        'Day' => _t(__CLASS__ . '.ExecuteEveryDay', 'Day'),
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                        'Week' => _t(__CLASS__ . '.ExecuteEveryWeek', 'Week'),
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                        'Fortnight' => _t(__CLASS__ . '.ExecuteEveryFortnight', 'Fortnight'),
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                        'Month' => _t(__CLASS__ . '.ExecuteEveryMonth', 'Month'),
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                        'Year' => _t(__CLASS__ . '.ExecuteEveryYear', 'Year'),
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                    )
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                )
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            )->setTitle(_t(__CLASS__ . '.EXECUTE_EVERY', 'Execute every')),
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            TextField::create(
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                'ExecuteFree',
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                _t(__CLASS__ . '.EXECUTE_FREE', 'Scheduled (in strtotime format from first execution)')
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            )
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        ));
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        if ($this->owner->ScheduledJobID) {
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            $jobTime = $this->owner->ScheduledJob()->StartAfter;
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            $fields->addFieldsToTab('Root.Schedule', array(
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                ReadonlyField::create('NextRunDate', _t(__CLASS__ . '.NEXT_RUN_DATE', 'Next run date'), $jobTime)
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            ));
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        }
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    }
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    public function onBeforeWrite()
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    {
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        parent::onBeforeWrite();
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        if ($this->owner->FirstExecution) {
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            $changed = $this->owner->getChangedFields();
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            $changed = (
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                isset($changed['FirstExecution'])
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                || isset($changed['ExecuteInterval'])
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                || isset($changed['ExecuteEvery'])
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                || isset($changed['ExecuteFree'])
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            );
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            if ($changed && $this->owner->ScheduledJobID) {
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                if ($this->owner->ScheduledJob()->exists()) {
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                    $this->owner->ScheduledJob()->delete();
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                }
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                $this->owner->ScheduledJobID = 0;
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            }
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            if (!$this->owner->ScheduledJobID) {
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                $job = new ScheduledExecutionJob($this->owner);
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                $time = DBDatetime::now()->Rfc2822();
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                if ($this->owner->FirstExecution) {
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                    $time = DBDatetime::create()->setValue($this->owner->FirstExecution)->Rfc2822();
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                }
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                $this->owner->ScheduledJobID = QueuedJobService::singleton()
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                    ->queueJob($job, $time);
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            }
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        }
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    }
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    /**
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     * Define your own version of this method in your data objects to be executed EVERY time
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     * the scheduled job triggers.
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     */
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    public function onScheduledExecution()
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    {
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    }
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}
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