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<?php |
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/** |
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* An overall definition of a workflow |
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* |
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* The workflow definition has a series of steps to it. Each step has a series of possible transitions |
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* that it can take - the first one that meets certain criteria is followed, which could lead to |
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* another step. |
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* |
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* A step is either manual or automatic; an example 'manual' step would be requiring a person to review |
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* a document. An automatic step might be to email a group of people, or to publish documents. |
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* Basically, a manual step requires the interaction of someone to pick which action to take, an automatic |
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* step will automatically determine what to do once it has finished. |
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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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* @package advancedworkflow |
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*/ |
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class WorkflowDefinition extends DataObject { |
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private static $db = array( |
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'Title' => 'Varchar(128)', |
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'Description' => 'Text', |
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'Template' => 'Varchar', |
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'TemplateVersion' => 'Varchar', |
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'RemindDays' => 'Int', |
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'Sort' => 'Int', |
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'InitialActionButtonText' => 'Varchar' |
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); |
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private static $default_sort = 'Sort'; |
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private static $has_many = array( |
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'Actions' => 'WorkflowAction', |
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'Instances' => 'WorkflowInstance' |
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); |
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/** |
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* By default, a workflow definition is bound to a particular set of users or groups. |
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* |
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* This is covered across to the workflow instance - it is up to subsequent |
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* workflow actions to change this if needbe. |
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* |
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* @var array |
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*/ |
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private static $many_many = array( |
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'Users' => 'Member', |
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'Groups' => 'Group' |
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); |
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public static $icon = 'advancedworkflow/images/definition.png'; |
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public static $default_workflow_title_base = 'My Workflow'; |
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public static $workflow_defs = array(); |
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private static $dependencies = array( |
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'workflowService' => '%$WorkflowService', |
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); |
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/** |
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* @var WorkflowService |
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*/ |
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public $workflowService; |
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/** |
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* Gets the action that first triggers off the workflow |
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* |
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* @return WorkflowAction |
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*/ |
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public function getInitialAction() { |
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if($actions = $this->Actions()) return $actions->First(); |
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} |
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/** |
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* Ensure a sort value is set and we get a useable initial workflow title. |
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*/ |
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public function onBeforeWrite() { |
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if(!$this->Sort) { |
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$this->Sort = DB::query('SELECT MAX("Sort") + 1 FROM "WorkflowDefinition"')->value(); |
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} |
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if(!$this->ID) { |
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$this->Title = $this->getDefaultWorkflowTitle(); |
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} |
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parent::onBeforeWrite(); |
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} |
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/** |
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* After we've been written, check whether we've got a template and to then |
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* create the relevant actions etc. |
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*/ |
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public function onAfterWrite() { |
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parent::onAfterWrite(); |
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// Request via ImportForm where TemplateVersion is already set, so unset it |
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$posted = Controller::curr()->getRequest()->postVars(); |
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if(isset($posted['_CsvFile']) && $this->TemplateVersion) { |
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$this->TemplateVersion = null; |
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} |
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if($this->numChildren() == 0 && $this->Template && !$this->TemplateVersion) { |
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$this->workflowService->defineFromTemplate($this, $this->Template); |
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} |
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} |
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/** |
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* Ensure all WorkflowDefinition relations are removed on delete. If we don't do this, |
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* we see issues with targets previously under the control of a now-deleted workflow, |
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* becoming stuck, even if a new workflow is subsequently assigned to it. |
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* |
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* @return null |
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*/ |
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public function onBeforeDelete() { |
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parent::onBeforeDelete(); |
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// Delete related import |
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$this->deleteRelatedImport(); |
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// Reset/unlink related HasMany|ManyMany relations and their orphaned objects |
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$this->removeRelatedHasLists(); |
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} |
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/** |
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* Removes User+Group relations from this object as well as WorkflowAction relations. |
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* When a WorkflowAction is deleted, its own relations are also removed: |
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* - WorkflowInstance |
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* - WorkflowTransition |
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* @see WorkflowAction::onAfterDelete() |
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* |
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* @return void |
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*/ |
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private function removeRelatedHasLists() { |
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$this->Users()->removeAll(); |
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$this->Groups()->removeAll(); |
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$this->Actions()->each(function($action) { |
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if($orphan = DataObject::get_by_id('WorkflowAction', $action->ID)) { |
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$orphan->delete(); |
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} |
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}); |
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} |
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/** |
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* |
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* Deletes related ImportedWorkflowTemplate objects. |
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* |
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* @return void |
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*/ |
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private function deleteRelatedImport() { |
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if($import = DataObject::get('ImportedWorkflowTemplate')->filter('DefinitionID', $this->ID)->first()) { |
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$import->delete(); |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function numChildren() { |
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return count($this->Actions()); |
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} |
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public function fieldLabels($includerelations = true) { |
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$labels = parent::fieldLabels($includerelations); |
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$labels['Title'] = _t('WorkflowDefinition.TITLE', 'Title'); |
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$labels['Description'] = _t('WorkflowDefinition.DESCRIPTION', 'Description'); |
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$labels['Template'] = _t('WorkflowDefinition.TEMPLATE_NAME', 'Source Template'); |
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$labels['TemplateVersion'] = _t('WorkflowDefinition.TEMPLATE_VERSION', 'Template Version'); |
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return $labels; |
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} |
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public function getCMSFields() { |
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$cmsUsers = Member::mapInCMSGroups(); |
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$fields = new FieldList(new TabSet('Root')); |
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$fields->addFieldToTab('Root.Main', new TextField('Title', $this->fieldLabel('Title'))); |
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$fields->addFieldToTab('Root.Main', new TextareaField('Description', $this->fieldLabel('Description'))); |
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$fields->addFieldToTab('Root.Main', TextField::create( |
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'InitialActionButtonText', |
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_t('WorkflowDefinition.INITIAL_ACTION_BUTTON_TEXT', 'Initial Action Button Text') |
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)); |
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if($this->ID) { |
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$fields->addFieldToTab('Root.Main', new CheckboxSetField('Users', _t('WorkflowDefinition.USERS', 'Users'), $cmsUsers)); |
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$fields->addFieldToTab('Root.Main', new TreeMultiselectField('Groups', _t('WorkflowDefinition.GROUPS', 'Groups'), 'Group')); |
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} |
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if (class_exists('AbstractQueuedJob')) { |
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$before = _t('WorkflowDefinition.SENDREMINDERDAYSBEFORE', 'Send reminder email after '); |
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$after = _t('WorkflowDefinition.SENDREMINDERDAYSAFTER', ' days without action.'); |
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$fields->addFieldToTab('Root.Main', new FieldGroup( |
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_t('WorkflowDefinition.REMINDEREMAIL', 'Reminder Email'), |
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new LabelField('ReminderEmailBefore', $before), |
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new NumericField('RemindDays', ''), |
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new LabelField('ReminderEmailAfter', $after) |
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)); |
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} |
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if($this->ID) { |
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if ($this->Template) { |
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$template = $this->workflowService->getNamedTemplate($this->Template); |
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$fields->addFieldToTab('Root.Main', new ReadonlyField('Template', $this->fieldLabel('Template'), $this->Template)); |
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$fields->addFieldToTab('Root.Main', new ReadonlyField('TemplateDesc', _t('WorkflowDefinition.TEMPLATE_INFO', 'Template Info'), $template ? $template->getDescription() : '')); |
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$fields->addFieldToTab('Root.Main', $tv = new ReadonlyField('TemplateVersion', $this->fieldLabel('TemplateVersion'))); |
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$tv->setRightTitle(sprintf(_t('WorkflowDefinition.LATEST_VERSION', 'Latest version is %s'), $template ? $template->getVersion() : '')); |
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} |
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$fields->addFieldToTab('Root.Main', new WorkflowField( |
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'Workflow', _t('WorkflowDefinition.WORKFLOW', 'Workflow'), $this |
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)); |
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} else { |
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// add in the 'template' info |
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$templates = $this->workflowService->getTemplates(); |
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if (is_array($templates)) { |
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$items = array('' => ''); |
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foreach ($templates as $template) { |
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$items[$template->getName()] = $template->getName(); |
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} |
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$templates = array_combine(array_keys($templates), array_keys($templates)); |
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$fields->addFieldToTab('Root.Main', $dd = new DropdownField('Template', _t('WorkflowDefinition.CHOOSE_TEMPLATE', 'Choose template (optional)'), $items)); |
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$dd->setRightTitle(_t('WorkflowDefinition.CHOOSE_TEMPLATE_RIGHT', 'If set, this workflow definition will be automatically updated if the template is changed')); |
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} |
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/* |
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* Uncomment to allow pre-uploaded exports to appear in a new DropdownField. |
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* |
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* $import = singleton('WorkflowDefinitionImporter')->getImportedWorkflows(); |
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* if (is_array($import)) { |
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* $_imports = array('' => ''); |
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* foreach ($imports as $import) { |
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* $_imports[$import->getName()] = $import->getName(); |
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* } |
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* $imports = array_combine(array_keys($_imports), array_keys($_imports)); |
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* $fields->addFieldToTab('Root.Main', new DropdownField('Import', _t('WorkflowDefinition.CHOOSE_IMPORT', 'Choose import (optional)'), $imports)); |
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* } |
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*/ |
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$message = _t( |
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'WorkflowDefinition.ADDAFTERSAVING', |
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'You can add workflow steps after you save for the first time.' |
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); |
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$fields->addFieldToTab('Root.Main', new LiteralField( |
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'AddAfterSaving', "<p class='message notice'>$message</p>" |
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)); |
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} |
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if($this->ID && Permission::check('VIEW_ACTIVE_WORKFLOWS')) { |
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$active = $this->Instances()->filter(array( |
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'WorkflowStatus' => array('Active', 'Paused') |
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)); |
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$active = new GridField( |
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'Active', |
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_t('WorkflowDefinition.WORKFLOWACTIVEIINSTANCES', 'Active Workflow Instances'), |
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$active, |
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new GridFieldConfig_RecordEditor()); |
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$active->getConfig()->removeComponentsByType('GridFieldAddNewButton'); |
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$active->getConfig()->removeComponentsByType('GridFieldDeleteAction'); |
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if(!Permission::check('REASSIGN_ACTIVE_WORKFLOWS')) { |
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$active->getConfig()->removeComponentsByType('GridFieldEditButton'); |
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$active->getConfig()->addComponent(new GridFieldViewButton()); |
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$active->getConfig()->addComponent(new GridFieldDetailForm()); |
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} |
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$completed = $this->Instances()->filter(array( |
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'WorkflowStatus' => array('Complete', 'Cancelled') |
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)); |
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$config = new GridFieldConfig_Base(); |
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$config->addComponent(new GridFieldEditButton()); |
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$config->addComponent(new GridFieldDetailForm()); |
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$completed = new GridField( |
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'Completed', |
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_t('WorkflowDefinition.WORKFLOWCOMPLETEDIINSTANCES', 'Completed Workflow Instances'), |
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$completed, |
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$config); |
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$fields->findOrMakeTab( |
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'Root.Active', |
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_t('WorkflowEmbargoExpiryExtension.ActiveWorkflowStateTitle', 'Active') |
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); |
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$fields->addFieldToTab('Root.Active', $active); |
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$fields->findOrMakeTab( |
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'Root.Completed', |
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_t('WorkflowEmbargoExpiryExtension.CompletedWorkflowStateTitle', 'Completed') |
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); |
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$fields->addFieldToTab('Root.Completed', $completed); |
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} |
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$this->extend('updateCMSFields', $fields); |
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return $fields; |
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} |
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public function updateAdminActions($actions) { |
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if ($this->Template) { |
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$template = $this->workflowService->getNamedTemplate($this->Template); |
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if ($template && $this->TemplateVersion != $template->getVersion()) { |
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$label = sprintf(_t('WorkflowDefinition.UPDATE_FROM_TEMLPATE', 'Update to latest template version (%s)'), $template->getVersion()); |
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$actions->push($action = FormAction::create('updatetemplateversion', $label)); |
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} |
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} |
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} |
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public function updateFromTemplate() { |
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if ($this->Template) { |
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$template = $this->workflowService->getNamedTemplate($this->Template); |
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$template->updateDefinition($this); |
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} |
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} |
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/** |
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* If a workflow-title doesn't already exist, we automatically create a suitable default title |
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* when users attempt to create title-less workflow definitions or upload/create Workflows that would |
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* otherwise have the same name. |
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* |
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* @return string |
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* @todo Filter query on current-user's workflows. Avoids confusion when other users may already have 'My Workflow 1' |
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* and user sees 'My Workflow 2' |
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*/ |
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public function getDefaultWorkflowTitle() { |
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// Where is the title coming from that we wish to test? |
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$incomingTitle = $this->incomingTitle(); |
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$defs = DataObject::get('WorkflowDefinition')->map()->toArray(); |
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$tmp = array(); |
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333
|
|
|
foreach($defs as $def) { |
334
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|
|
$parts = preg_split("#\s#", $def, -1, PREG_SPLIT_NO_EMPTY); |
335
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|
|
$lastPart = array_pop($parts); |
336
|
|
|
$match = implode(' ', $parts); |
337
|
|
|
// @todo do all this in one preg_match_all() call |
338
|
|
|
if(preg_match("#$match#", $incomingTitle)) { |
339
|
|
|
// @todo use a simple incrementer?? |
340
|
|
|
if($incomingTitle.' '.$lastPart == $def) { |
341
|
|
|
array_push($tmp, $lastPart); |
342
|
|
|
} |
343
|
|
|
} |
344
|
|
|
} |
345
|
|
|
|
346
|
|
|
$incr = 1; |
347
|
|
|
if(count($tmp)) { |
348
|
|
|
sort($tmp,SORT_NUMERIC); |
349
|
|
|
$incr = (int)end($tmp)+1; |
350
|
|
|
} |
351
|
|
|
return $incomingTitle.' '.$incr; |
352
|
|
|
} |
353
|
|
|
|
354
|
|
|
/** |
355
|
|
|
* Return the workflow definition title according to the source |
356
|
|
|
* |
357
|
|
|
* @return string |
358
|
|
|
*/ |
359
|
|
|
public function incomingTitle() { |
360
|
|
|
$req = Controller::curr()->getRequest(); |
361
|
|
|
if(isset($req['_CsvFile']['name']) && !empty($req['_CsvFile']['name'])) { |
362
|
|
|
$import = DataObject::get('ImportedWorkflowTemplate')->filter('Filename', $req['_CsvFile']['name'])->first(); |
363
|
|
|
$incomingTitle = $import->Name; |
364
|
|
|
} |
365
|
|
|
else if(isset($req['Template']) && !empty($req['Template'])) { |
366
|
|
|
$incomingTitle = $req['Template']; |
367
|
|
|
} |
368
|
|
|
else if(isset($req['Title']) && !empty($req['Title'])) { |
369
|
|
|
$incomingTitle = $req['Title']; |
370
|
|
|
} |
371
|
|
|
else { |
372
|
|
|
$incomingTitle = self::$default_workflow_title_base; |
373
|
|
|
} |
374
|
|
|
return $incomingTitle; |
375
|
|
|
} |
376
|
|
|
|
377
|
|
|
/** |
378
|
|
|
* |
379
|
|
|
* @param Member $member |
380
|
|
|
* @return boolean |
381
|
|
|
*/ |
382
|
|
View Code Duplication |
public function canCreate($member=null) { |
|
|
|
|
383
|
|
|
if (is_null($member)) { |
384
|
|
|
if (!Member::currentUserID()) { |
385
|
|
|
return false; |
386
|
|
|
} |
387
|
|
|
$member = Member::currentUser(); |
388
|
|
|
} |
389
|
|
|
return Permission::checkMember($member, 'CREATE_WORKFLOW'); |
390
|
|
|
} |
391
|
|
|
|
392
|
|
|
/** |
393
|
|
|
* |
394
|
|
|
* @param Member $member |
395
|
|
|
* @return boolean |
396
|
|
|
*/ |
397
|
|
|
public function canView($member=null) { |
398
|
|
|
return $this->userHasAccess($member); |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* |
403
|
|
|
* @param Member $member |
404
|
|
|
* @return boolean |
405
|
|
|
*/ |
406
|
|
|
public function canEdit($member=null) { |
407
|
|
|
return $this->canCreate($member); |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
/** |
411
|
|
|
* |
412
|
|
|
* @param Member $member |
413
|
|
|
* @return boolean |
414
|
|
|
* @see {@link $this->onBeforeDelete()} |
415
|
|
|
*/ |
416
|
|
View Code Duplication |
public function canDelete($member = null) { |
|
|
|
|
417
|
|
|
if(!$member) { |
418
|
|
|
if(!Member::currentUserID()) { |
419
|
|
|
return false; |
420
|
|
|
} |
421
|
|
|
$member = Member::currentUser(); |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
if(Permission::checkMember($member, 'ADMIN')) { |
425
|
|
|
return true; |
426
|
|
|
} |
427
|
|
|
|
428
|
|
|
/* |
429
|
|
|
* DELETE_WORKFLOW should trump all other canDelete() return values on |
430
|
|
|
* related objects. |
431
|
|
|
* @see {@link $this->onBeforeDelete()} |
432
|
|
|
*/ |
433
|
|
|
return Permission::checkMember($member, 'DELETE_WORKFLOW'); |
434
|
|
|
} |
435
|
|
|
|
436
|
|
|
/** |
437
|
|
|
* Checks whether the passed user is able to view this ModelAdmin |
438
|
|
|
* |
439
|
|
|
* @param $memberID |
440
|
|
|
*/ |
441
|
|
View Code Duplication |
protected function userHasAccess($member) { |
|
|
|
|
442
|
|
|
if (!$member) { |
443
|
|
|
if (!Member::currentUserID()) { |
444
|
|
|
return false; |
445
|
|
|
} |
446
|
|
|
$member = Member::currentUser(); |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
if(Permission::checkMember($member, "VIEW_ACTIVE_WORKFLOWS")) { |
450
|
|
|
return true; |
451
|
|
|
} |
452
|
|
|
} |
453
|
|
|
} |
454
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.