Add trigger rule to remove projects from tasks

Summary: Ref T13269. Same as D20379 with the polarity reversed.

Test Plan: Added some triggers, removed some projects, observed expected results.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T13269

Differential Revision: https://secure.phabricator.com/D20390

src/__phutil_library_map__.php

@@ -4222,6 +4222,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectTriggerPHIDType' => 'applications/project/phid/PhabricatorProjectTriggerPHIDType.php',
     'PhabricatorProjectTriggerPlaySoundRule' => 'applications/project/trigger/PhabricatorProjectTriggerPlaySoundRule.php',
     'PhabricatorProjectTriggerQuery' => 'applications/project/query/PhabricatorProjectTriggerQuery.php',
+    'PhabricatorProjectTriggerRemoveProjectsRule' => 'applications/project/trigger/PhabricatorProjectTriggerRemoveProjectsRule.php',
     'PhabricatorProjectTriggerRule' => 'applications/project/trigger/PhabricatorProjectTriggerRule.php',
     'PhabricatorProjectTriggerRuleRecord' => 'applications/project/trigger/PhabricatorProjectTriggerRuleRecord.php',
     'PhabricatorProjectTriggerRulesetTransaction' => 'applications/project/xaction/trigger/PhabricatorProjectTriggerRulesetTransaction.php',
@@ -10398,6 +10399,7 @@ phutil_register_library_map(array(
     'PhabricatorProjectTriggerPHIDType' => 'PhabricatorPHIDType',
     'PhabricatorProjectTriggerPlaySoundRule' => 'PhabricatorProjectTriggerRule',
     'PhabricatorProjectTriggerQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'PhabricatorProjectTriggerRemoveProjectsRule' => 'PhabricatorProjectTriggerRule',
     'PhabricatorProjectTriggerRule' => 'Phobject',
     'PhabricatorProjectTriggerRuleRecord' => 'Phobject',
     'PhabricatorProjectTriggerRulesetTransaction' => 'PhabricatorProjectTriggerTransactionType',

src/applications/project/trigger/PhabricatorProjectTriggerRemoveProjectsRule.php

@@ -0,0 +1,103 @@
+<?php
+
+final class PhabricatorProjectTriggerRemoveProjectsRule
+  extends PhabricatorProjectTriggerRule {
+
+  const TRIGGERTYPE = 'task.projects.remove';
+
+  public function getSelectControLname() {
+    return pht('Remove projects');
+  }
+
+  protected function getValueForEditorField() {
+    return $this->getDatasource()->getWireTokens($this->getValue());
+  }
+
+  protected function assertValidRuleValue($value) {
+    if (!is_array($value)) {
+      throw new Exception(
+        pht(
+          'Remove project rule value should be a list, but is not '.
+          '(value is "%s").',
+          phutil_describe_type($value)));
+    }
+  }
+
+  protected function newDropTransactions($object, $value) {
+    $project_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
+
+    $xaction = $object->getApplicationTransactionTemplate()
+      ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
+      ->setMetadataValue('edge:type', $project_edge_type)
+      ->setNewValue(
+        array(
+          '-' => array_fuse($value),
+        ));
+
+    return array($xaction);
+  }
+
+  protected function newDropEffects($value) {
+    return array(
+      $this->newEffect()
+        ->setIcon('fa-briefcase', 'red')
+        ->setContent($this->getRuleViewDescription($value)),
+    );
+  }
+
+  protected function getDefaultValue() {
+    return null;
+  }
+
+  protected function getPHUIXControlType() {
+    return 'tokenizer';
+  }
+
+  private function getDatasource() {
+    return id(new PhabricatorProjectDatasource())
+      ->setViewer($this->getViewer());
+  }
+
+  protected function getPHUIXControlSpecification() {
+    $template = id(new AphrontTokenizerTemplateView())
+      ->setViewer($this->getViewer());
+
+    $template_markup = $template->render();
+    $datasource = $this->getDatasource();
+
+    return array(
+      'markup' => (string)hsprintf('%s', $template_markup),
+      'config' => array(
+        'src' => $datasource->getDatasourceURI(),
+        'browseURI' => $datasource->getBrowseURI(),
+        'placeholder' => $datasource->getPlaceholderText(),
+        'limit' => $datasource->getLimit(),
+      ),
+      'value' => null,
+    );
+  }
+
+  public function getRuleViewLabel() {
+    return pht('Remove Projects');
+  }
+
+  public function getRuleViewDescription($value) {
+    return pht(
+      'Remove projects: %s.',
+      phutil_tag(
+        'strong',
+        array(),
+        $this->getViewer()
+          ->renderHandleList($value)
+          ->setAsInline(true)
+          ->render()));
+  }
+
+  public function getRuleViewIcon($value) {
+    return id(new PHUIIconView())
+      ->setIcon('fa-briefcase', 'red');
+  }
+
+
+
+}