src/infrastructure/customfield/datasource/PhabricatorStandardSelectCustomFieldDatasource.php

   1 <?php
   2
   3 final class PhabricatorStandardSelectCustomFieldDatasource
   4   extends PhabricatorTypeaheadDatasource {
   5
   6   public function getBrowseTitle() {
   7     return pht('Browse Values');
   8   }
   9
  10   public function getPlaceholderText() {
  11     return pht('Type a field value...');
  12   }
  13
  14   public function getDatasourceApplicationClass() {
  15     return null;
  16   }
  17
  18   public function loadResults() {
  19     $viewer = $this->getViewer();
  20
  21     $class = $this->getParameter('object');
  22     if (!class_exists($class)) {
  23       throw new Exception(
  24         pht(
  25           'Custom field class "%s" does not exist.',
  26           $class));
  27     }
  28
  29     $reflection = new ReflectionClass($class);
  30     $interface = 'PhabricatorCustomFieldInterface';
  31     if (!$reflection->implementsInterface($interface)) {
  32       throw new Exception(
  33         pht(
  34           'Custom field class "%s" does not implement interface "%s".',
  35           $class,
  36           $interface));
  37     }
  38
  39     $role = $this->getParameter('role');
  40     if (!strlen($role)) {
  41       throw new Exception(pht('No custom field role specified.'));
  42     }
  43
  44     $object = newv($class, array());
  45     $field_list = PhabricatorCustomField::getObjectFields($object, $role);
  46
  47     $field_key = $this->getParameter('key');
  48     if (!strlen($field_key)) {
  49       throw new Exception(pht('No custom field key specified.'));
  50     }
  51
  52     $field = null;
  53     foreach ($field_list->getFields() as $candidate_field) {
  54       if ($candidate_field->getFieldKey() == $field_key) {
  55         $field = $candidate_field;
  56         break;
  57       }
  58     }
  59
  60     if ($field === null) {
  61       throw new Exception(
  62         pht(
  63           'No field with field key "%s" exists for objects of class "%s" with '.
  64           'custom field role "%s".',
  65           $field_key,
  66           $class,
  67           $role));
  68     }
  69
  70     if (!($field instanceof PhabricatorStandardCustomFieldSelect)) {
  71       $field = $field->getProxy();
  72       if (!($field instanceof PhabricatorStandardCustomFieldSelect)) {
  73         throw new Exception(
  74           pht(
  75             'Field "%s" is not a standard select field, nor a proxy of a '.
  76             'standard select field.',
  77             $field_key));
  78       }
  79     }
  80
  81     $options = $field->getOptions();
  82
  83     $results = array();
  84     foreach ($options as $key => $option) {
  85       $results[] = id(new PhabricatorTypeaheadResult())
  86         ->setName($option)
  87         ->setPHID($key);
  88     }
  89
  90     return $this->filterResultsAgainstTokens($results);
  91   }
  92
  93 }