First commit

sites/all/modules/civicrm/CRM/Contact/BAO/Query/Hook.php

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+<?php
+/*
+ +--------------------------------------------------------------------+
+ | CiviCRM version 4.7                                                |
+ +--------------------------------------------------------------------+
+ | Copyright CiviCRM LLC (c) 2004-2017                                |
+ +--------------------------------------------------------------------+
+ | This file is a part of CiviCRM.                                    |
+ |                                                                    |
+ | CiviCRM is free software; you can copy, modify, and distribute it  |
+ | under the terms of the GNU Affero General Public License           |
+ | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
+ |                                                                    |
+ | CiviCRM is distributed in the hope that it will be useful, but     |
+ | WITHOUT ANY WARRANTY; without even the implied warranty of         |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
+ | See the GNU Affero General Public License for more details.        |
+ |                                                                    |
+ | You should have received a copy of the GNU Affero General Public   |
+ | License and the CiviCRM Licensing Exception along                  |
+ | with this program; if not, contact CiviCRM LLC                     |
+ | at info[AT]civicrm[DOT]org. If you have questions about the        |
+ | GNU Affero General Public License or the licensing of CiviCRM,     |
+ | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
+ +--------------------------------------------------------------------+
+ */
+
+/**
+ *
+ * @package CRM
+ * @copyright CiviCRM LLC (c) 2004-2017
+ */
+
+/**
+ * Delegate query functions based on hook system.
+ */
+class CRM_Contact_BAO_Query_Hook {
+
+  /**
+   * @var array of CRM_Contact_BAO_Query_Interface objects
+   */
+  protected $_queryObjects = NULL;
+
+  /**
+   * Singleton function used to manage this object.
+   *
+   * @return object
+   */
+  public static function singleton() {
+    static $singleton = NULL;
+    if (!$singleton) {
+      $singleton = new CRM_Contact_BAO_Query_Hook();
+    }
+    return $singleton;
+  }
+
+  /**
+   * Get or build the list of search objects (via hook).
+   *
+   * @return array
+   *   Array of CRM_Contact_BAO_Query_Interface objects
+   */
+  public function getSearchQueryObjects() {
+    if ($this->_queryObjects === NULL) {
+      $this->_queryObjects = array();
+      CRM_Utils_Hook::queryObjects($this->_queryObjects, 'Contact');
+    }
+    return $this->_queryObjects;
+  }
+
+  /**
+   * @return array
+   */
+  public function &getFields() {
+    $extFields = array();
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $flds = $obj->getFields();
+      $extFields = array_merge($extFields, $flds);
+    }
+    return $extFields;
+  }
+
+  /**
+   * @param $apiEntities
+   * @param $fieldOptions
+   */
+  public function alterSearchBuilderOptions(&$apiEntities, &$fieldOptions) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->alterSearchBuilderOptions($apiEntities, $fieldOptions);
+    }
+  }
+
+  /**
+   * Alter search query.
+   *
+   * @param string $query
+   * @param string $fnName
+   */
+  public function alterSearchQuery(&$query, $fnName) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->$fnName($query);
+    }
+  }
+
+  /**
+   * @param string $fieldName
+   * @param $mode
+   * @param $side
+   *
+   * @return string
+   */
+  public function buildSearchfrom($fieldName, $mode, $side) {
+    $from = '';
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $from .= $obj->from($fieldName, $mode, $side);
+    }
+    return $from;
+  }
+
+  /**
+   * @param $tables
+   */
+  public function setTableDependency(&$tables) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->setTableDependency($tables);
+    }
+  }
+
+  /**
+   * @param $panes
+   */
+  public function registerAdvancedSearchPane(&$panes) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->registerAdvancedSearchPane($panes);
+    }
+  }
+
+  /**
+   * @param $panes
+   */
+  public function getPanesMapper(&$panes) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->getPanesMapper($panes);
+    }
+  }
+
+  /**
+   * @param CRM_Core_Form $form
+   * @param $type
+   */
+  public function buildAdvancedSearchPaneForm(&$form, $type) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->buildAdvancedSearchPaneForm($form, $type);
+    }
+  }
+
+  /**
+   * @param $paneTemplatePathArray
+   * @param $type
+   */
+  public function setAdvancedSearchPaneTemplatePath(&$paneTemplatePathArray, $type) {
+    foreach (self::getSearchQueryObjects() as $obj) {
+      $obj->setAdvancedSearchPaneTemplatePath($paneTemplatePathArray, $type);
+    }
+  }
+
+}

sites/all/modules/civicrm/CRM/Contact/BAO/Query/Interface.php

@@ -0,0 +1,124 @@
+<?php
+/*
+ +--------------------------------------------------------------------+
+ | CiviCRM version 4.7                                                |
+ +--------------------------------------------------------------------+
+ | Copyright CiviCRM LLC (c) 2004-2017                                |
+ +--------------------------------------------------------------------+
+ | This file is a part of CiviCRM.                                    |
+ |                                                                    |
+ | CiviCRM is free software; you can copy, modify, and distribute it  |
+ | under the terms of the GNU Affero General Public License           |
+ | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
+ |                                                                    |
+ | CiviCRM is distributed in the hope that it will be useful, but     |
+ | WITHOUT ANY WARRANTY; without even the implied warranty of         |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
+ | See the GNU Affero General Public License for more details.        |
+ |                                                                    |
+ | You should have received a copy of the GNU Affero General Public   |
+ | License and the CiviCRM Licensing Exception along                  |
+ | with this program; if not, contact CiviCRM LLC                     |
+ | at info[AT]civicrm[DOT]org. If you have questions about the        |
+ | GNU Affero General Public License or the licensing of CiviCRM,     |
+ | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
+ +--------------------------------------------------------------------+
+ */
+
+/**
+ *
+ * @package CRM
+ * @copyright CiviCRM LLC (c) 2004-2017
+ */
+
+/**
+ * Abstract class for search BAO query objects
+ */
+abstract class CRM_Contact_BAO_Query_Interface {
+
+  abstract public function &getFields();
+
+  /**
+   * @param string $fieldName
+   * @param $mode
+   * @param $side
+   *
+   * @return mixed
+   */
+  abstract public function from($fieldName, $mode, $side);
+
+  /**
+   * @param $query
+   *
+   * @return null
+   */
+  public function select(&$query) {
+    return NULL;
+  }
+
+  /**
+   * @param $query
+   *
+   * @return null
+   */
+  public function where(&$query) {
+    return NULL;
+  }
+
+  /**
+   * @param $tables
+   *
+   * @return null
+   */
+  public function setTableDependency(&$tables) {
+    return NULL;
+  }
+
+  /**
+   * @param $panes
+   *
+   * @return null
+   */
+  public function registerAdvancedSearchPane(&$panes) {
+    return NULL;
+  }
+
+  /**
+   * @param CRM_Core_Form $form
+   * @param $type
+   *
+   * @return null
+   */
+  public function buildAdvancedSearchPaneForm(&$form, $type) {
+    return NULL;
+  }
+
+  /**
+   * @param $paneTemplatePathArray
+   * @param $type
+   *
+   * @return null
+   */
+  public function setAdvancedSearchPaneTemplatePath(&$paneTemplatePathArray, $type) {
+    return NULL;
+  }
+
+  /**
+   * Describe options for available for use in the search-builder.
+   *
+   * The search builder determines its options by examining the API metadata corresponding to each
+   * search field. This approach assumes that each field has a unique-name (ie that the field's
+   * unique-name in the API matches the unique-name in the search-builder).
+   *
+   * @param array $apiEntities
+   *   List of entities whose options should be automatically scanned using API metadata.
+   * @param array $fieldOptions
+   *   Keys are field unique-names; values describe how to lookup the options.
+   *   For boolean options, use value "yesno". For pseudoconstants/FKs, use the name of an API entity
+   *   from which the metadata of the field may be queried. (Yes - that is a mouthful.)
+   * @void
+   */
+  public function alterSearchBuilderOptions(&$apiEntities, &$fieldOptions) {
+  }
+
+}