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RedBeanModelRelationToColumnAdapter.php
1 <?php
2  /*********************************************************************************
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4  * Zurmo, Inc. Copyright (C) 2017 Zurmo Inc.
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36 
41  {
45  const CACHE_KEY = 'RedBeanModelRelationToColumnAdapter_polymorphicColumns';
46 
52  public static function resolvePolymorphicColumnsByTableName($tableName)
53  {
54  $polymorphicLinkColumns = GeneralCache::getEntry(static::CACHE_KEY, array());
55  if (isset($polymorphicLinkColumns[$tableName]))
56  {
57  return $polymorphicLinkColumns[$tableName];
58  }
59  return null;
60  }
61 
70  public static function resolve($modelClassName, $relationName, array $relationMetadata, & $messageLogger)
71  {
72  $column = null;
73  if (!empty($modelClassName) && @class_exists($modelClassName) && !empty($relationName) &&
74  count($relationMetadata) >= 2 && @class_exists($relationMetadata[1]))
75  {
76  $relationType = $relationMetadata[0];
77  $relatedModelClass = $relationMetadata[1];
78  $linkType = RedBeanModel::LINK_TYPE_ASSUMPTIVE;
79  if (isset($relationMetadata[3]))
80  {
81  $linkType = $relationMetadata[3];
82  }
83  if (!in_array($relationType, array(RedBeanModel::HAS_ONE_BELONGS_TO, RedBeanModel::HAS_MANY_BELONGS_TO,
85  {
86  return false;
87  }
88  if ($relationType == RedBeanModel::MANY_MANY)
89  {
90  RedBeanModelToJoinTableAdapter::resolve($modelClassName, $relationMetadata, $messageLogger);
91  return null;
92  }
93  elseif (in_array($relationType, array(RedBeanModel::HAS_ONE, RedBeanModel::HAS_MANY_BELONGS_TO)))
94  {
95  $linkName = null;
96  if ($linkType == RedBeanModel::LINK_TYPE_ASSUMPTIVE &&
97  strtolower($relatedModelClass) != strtolower($relationName))
98  {
99  $linkName = strtolower($relationName) . '_';
100  }
101  $name = $linkName . RedBeanModel::getForeignKeyName($modelClassName, $relationName);
102  $column = RedBeanModelMemberToColumnUtil::resolveForeignKeyColumnMetadata($name);
103  }
104  elseif ($relationType == RedBeanModel::HAS_MANY && $linkType == RedBeanModel::LINK_TYPE_POLYMORPHIC)
105  {
106  static::setColumnsForPolymorphicLink($relatedModelClass, $relationMetadata[4]);
107  }
108  // ignore HAS_MANY(non-polymorphic) and HAS_ONE_BELONGS_TO as we are dealing with HAS_ONE and HAS_MANY_BELONGS e.g.
109  // we are ignore the sides which shouldn't have columns.
110  }
111  else
112  {
113  return false;
114  }
115  return $column;
116  }
117 
118  protected static function setColumnsForPolymorphicLink($relatedModelClassName, $linkName)
119  {
120  $columns = array();
121  $columns[] = RedBeanModelMemberToColumnUtil::resolveForeignKeyColumnMetadata(
122  RedBeanModelMemberToColumnUtil::resolve($linkName). '_id');
123  $columns[] = static::resolvePolymorphicTypeColumnByLinkName($linkName);
124  $tableName = $relatedModelClassName::getTableName();
125  $polymorphicLinkColumns = GeneralCache::getEntry(static::CACHE_KEY, array());
126  $polymorphicLinkColumns[$tableName] = $columns;
127  GeneralCache::cacheEntry(static::CACHE_KEY, $polymorphicLinkColumns);
128  }
129 
130  protected static function resolvePolymorphicTypeColumnByLinkName($linkName)
131  {
132  $linkName .= '_type';
133  return RedBeanModelMemberToColumnUtil::resolveColumnMetadataByHintType($linkName);
134  }
135  }
136 ?>
static getForeignKeyName($modelClassName, $relationName)
const HAS_ONE
Definition: BeanModel.php:64
const HAS_ONE_BELONGS_TO
Definition: BeanModel.php:48
const MANY_MANY
Definition: BeanModel.php:78
static resolve($modelClassName, $relationName, array $relationMetadata, &$messageLogger)
const HAS_MANY_BELONGS_TO
Definition: BeanModel.php:58
const HAS_MANY
Definition: BeanModel.php:71
static resolve($modelClassName, array $relationMetadata, &$messageLogger)
Generated on Sat Jul 4 2020 07:10:26
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