493 lines
15 KiB
PHP
Executable File
493 lines
15 KiB
PHP
Executable File
<?php
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/**
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* A security group.
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*
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* @package framework
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* @subpackage security
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*/
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class Group extends DataObject {
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static $db = array(
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"Title" => "Varchar",
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"Description" => "Text",
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"Code" => "Varchar",
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"Locked" => "Boolean",
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"Sort" => "Int",
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"HtmlEditorConfig" => "Varchar"
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);
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static $has_one = array(
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"Parent" => "Group",
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);
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static $has_many = array(
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"Permissions" => "Permission",
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"Groups" => "Group"
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);
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static $many_many = array(
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"Members" => "Member",
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"Roles" => "PermissionRole",
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);
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static $extensions = array(
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"Hierarchy",
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);
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function populateDefaults() {
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parent::populateDefaults();
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if(!$this->Title) $this->Title = _t('SecurityAdmin.NEWGROUP',"New Group");
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}
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function getAllChildren() {
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$doSet = new ArrayList();
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if ($children = DataObject::get('Group', '"ParentID" = '.$this->ID)) {
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foreach($children as $child) {
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$doSet->push($child);
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$doSet->merge($child->getAllChildren());
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}
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}
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return $doSet;
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}
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/**
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* Caution: Only call on instances, not through a singleton.
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* The "root group" fields will be created through {@link SecurityAdmin->EditForm()}.
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*
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* @return FieldList
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*/
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public function getCMSFields() {
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Requirements::javascript(FRAMEWORK_DIR . '/javascript/PermissionCheckboxSetField.js');
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$fields = new FieldList(
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new TabSet("Root",
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new Tab('Members', _t('SecurityAdmin.MEMBERS', 'Members'),
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new TextField("Title", $this->fieldLabel('Title')),
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$parentidfield = DropdownField::create( 'ParentID',
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$this->fieldLabel('Parent'),
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DataList::create('Group')->exclude('ID', $this->ID)->map('ID', 'Breadcrumbs')
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)->setEmptyString(' ')
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),
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$permissionsTab = new Tab('Permissions', _t('SecurityAdmin.PERMISSIONS', 'Permissions'),
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$permissionsField = new PermissionCheckboxSetField(
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'Permissions',
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false,
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'Permission',
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'GroupID',
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$this
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)
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)
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)
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);
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$parentidfield->setAttribute(
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'title',
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_t('Group.GroupReminder', 'If you choose a parent group, this group will take all it\'s roles')
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);
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// Filter permissions
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// TODO SecurityAdmin coupling, not easy to get to the form fields through GridFieldDetailForm
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$permissionsField->setHiddenPermissions(SecurityAdmin::$hidden_permissions);
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if($this->ID) {
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$config = new GridFieldConfig_RelationEditor();
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$config->addComponents(new GridFieldExportButton('before'));
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$config->addComponents(new GridFieldPrintButton('before'));
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$config->getComponentByType('GridFieldAddExistingAutocompleter')
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->setResultsFormat('$Title ($Email)')->setSearchFields(array('FirstName', 'Surname', 'Email'));
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$config->getComponentByType('GridFieldDetailForm')->setValidator(new Member_Validator());
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$memberList = GridField::create('Members',false, $this->Members(), $config)->addExtraClass('members_grid');
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// @todo Implement permission checking on GridField
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//$memberList->setPermissions(array('edit', 'delete', 'export', 'add', 'inlineadd'));
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$fields->addFieldToTab('Root.Members', $memberList);
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}
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// Only add a dropdown for HTML editor configurations if more than one is available.
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// Otherwise Member->getHtmlEditorConfigForCMS() will default to the 'cms' configuration.
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$editorConfigMap = HtmlEditorConfig::get_available_configs_map();
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if(count($editorConfigMap) > 1) {
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$fields->addFieldToTab('Root.Permissions',
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new DropdownField(
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'HtmlEditorConfig',
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'HTML Editor Configuration',
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$editorConfigMap
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),
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'Permissions'
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);
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}
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if(!Permission::check('EDIT_PERMISSIONS')) {
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$fields->removeFieldFromTab('Root', 'Permissions');
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}
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// Only show the "Roles" tab if permissions are granted to edit them,
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// and at least one role exists
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if(Permission::check('APPLY_ROLES') && DataObject::get('PermissionRole')) {
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$fields->findOrMakeTab('Root.Roles', _t('SecurityAdmin.ROLES', 'Roles'));
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$fields->addFieldToTab('Root.Roles',
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new LiteralField(
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"",
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"<p>" .
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_t(
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'SecurityAdmin.ROLESDESCRIPTION',
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"Roles are predefined sets of permissions, and can be assigned to groups.<br />They are inherited from parent groups if required."
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) . '<br />' .
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sprintf(
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'<a href="%s" class="add-role">%s</a>',
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singleton('SecurityAdmin')->Link('show/root#Root_Roles'),
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// TODO This should include #Root_Roles to switch directly to the tab,
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// but tabstrip.js doesn't display tabs when directly adressed through a URL pragma
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_t('Group.RolesAddEditLink', 'Manage roles')
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) .
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"</p>"
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)
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);
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// Add roles (and disable all checkboxes for inherited roles)
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$allRoles = Permission::check('ADMIN') ? DataObject::get('PermissionRole') : DataObject::get('PermissionRole', 'OnlyAdminCanApply = 0');
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if($this->ID) {
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$groupRoles = $this->Roles();
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$inheritedRoles = new ArrayList();
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$ancestors = $this->getAncestors();
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foreach($ancestors as $ancestor) {
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$ancestorRoles = $ancestor->Roles();
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if($ancestorRoles) $inheritedRoles->merge($ancestorRoles);
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}
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$groupRoleIDs = $groupRoles->column('ID') + $inheritedRoles->column('ID');
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$inheritedRoleIDs = $inheritedRoles->column('ID');
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} else {
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$groupRoleIDs = array();
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$inheritedRoleIDs = array();
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}
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$rolesField = ListboxField::create('Roles', false, $allRoles->map()->toArray())
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->setMultiple(true)
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->setDefaultItems($groupRoleIDs)
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->setAttribute('data-placeholder', _t('Group.AddRole', 'Add a role for this group'))
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->setDisabledItems($inheritedRoleIDs);
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if(!$allRoles->Count()) $rolesField->setAttribute('data-placeholder', _t('Group.NoRoles', 'No roles found'));
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$fields->addFieldToTab('Root.Roles', $rolesField);
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}
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$fields->push($idField = new HiddenField("ID"));
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$this->extend('updateCMSFields', $fields);
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return $fields;
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}
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/**
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*
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* @param boolean $includerelations a boolean value to indicate if the labels returned include relation fields
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*
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*/
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function fieldLabels($includerelations = true) {
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$labels = parent::fieldLabels($includerelations);
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$labels['Title'] = _t('SecurityAdmin.GROUPNAME', 'Group name');
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$labels['Description'] = _t('Group.Description', 'Description');
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$labels['Code'] = _t('Group.Code', 'Group Code', PR_MEDIUM, 'Programmatical code identifying a group');
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$labels['Locked'] = _t('Group.Locked', 'Locked?', PR_MEDIUM, 'Group is locked in the security administration area');
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$labels['Sort'] = _t('Group.Sort', 'Sort Order');
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if($includerelations){
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$labels['Parent'] = _t('Group.Parent', 'Parent Group', PR_MEDIUM, 'One group has one parent group');
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$labels['Permissions'] = _t('Group.has_many_Permissions', 'Permissions', PR_MEDIUM, 'One group has many permissions');
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$labels['Members'] = _t('Group.many_many_Members', 'Members', PR_MEDIUM, 'One group has many members');
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}
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return $labels;
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}
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/**
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* @deprecated 2.5
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*/
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public static function addToGroupByName($member, $groupcode) {
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Deprecation::notice('2.5', 'Use $member->addToGroupByCode($groupcode) instead.');
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return $member->addToGroupByCode($groupcode);
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}
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/**
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* Get many-many relation to {@link Member},
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* including all members which are "inherited" from children groups of this record.
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* See {@link DirectMembers()} for retrieving members without any inheritance.
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*
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* @param String
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* @return ManyManyList
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*/
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public function Members($filter = "", $sort = "", $join = "", $limit = "") {
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if($sort || $join || $limit) {
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Deprecation::notice('3.0', "The sort, join, and limit arguments are deprcated, use sort(), join() and limit() on the resulting DataList instead.");
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}
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// First get direct members as a base result
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$result = $this->DirectMembers();
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// Remove the default foreign key filter in prep for re-applying a filter containing all children groups.
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// Filters are conjunctive in DataQuery by default, so this filter would otherwise overrule any less specific ones.
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$result->dataQuery()->removeFilterOn('Group_Members');
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// Now set all children groups as a new foreign key
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$groups = DataList::create("Group")->byIDs($this->collateFamilyIDs());
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$result = $result->forForeignID($groups->column('ID'))->where($filter)->sort($sort)->limit($limit);
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if($join) $result = $result->join($join);
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return $result;
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}
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/**
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* Return only the members directly added to this group
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*/
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public function DirectMembers() {
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return $this->getManyManyComponents('Members');
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}
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public static function map($filter = "", $sort = "", $blank="") {
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Deprecation::notice('3.0', 'Use DataList::("Group")->map()');
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$list = DataList::create("Group")->where($filter)->sort($sort);
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$map = $list->map();
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if($blank) $map->unshift(0, $blank);
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return $map;
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}
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/**
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* Return a set of this record's "family" of IDs - the IDs of
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* this record and all its descendants.
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* @return array
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*/
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public function collateFamilyIDs() {
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$familyIDs = array();
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$chunkToAdd = array(array("ID" => $this->ID));
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while($chunkToAdd) {
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$idList = array();
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foreach($chunkToAdd as $item) {
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$idList[] = $item['ID'];
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$familyIDs[] = $item['ID'];
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}
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$idList = implode(',', $idList);
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// Get the children of *all* the groups identified in the previous chunk.
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// This minimises the number of SQL queries necessary
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$chunkToAdd = DataList::create('Group')->where("\"ParentID\" IN ($idList)")->column('ID');
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}
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return $familyIDs;
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}
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/**
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* Returns an array of the IDs of this group and all its parents
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*/
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public function collateAncestorIDs() {
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$parent = $this;
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while(isset($parent) && $parent instanceof Group) {
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$items[] = $parent->ID;
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$parent = $parent->Parent;
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}
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return $items;
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}
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/**
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* This isn't a decendant of SiteTree, but needs this in case
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* the group is "reorganised";
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*/
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function cmsCleanup_parentChanged() {
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}
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/**
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* Override this so groups are ordered in the CMS
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*/
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public function stageChildren() {
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return DataObject::get('Group', "\"Group\".\"ParentID\" = " . (int)$this->ID . " AND \"Group\".\"ID\" != " . (int)$this->ID, '"Sort"');
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}
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/**
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* @deprecated 3.0 Use getTreeTitle()
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*/
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function TreeTitle() {
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Deprecation::notice('3.0', 'Use getTreeTitle() instead.');
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return $this->getTreeTitle();
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}
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public function getTreeTitle() {
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if($this->hasMethod('alternateTreeTitle')) return $this->alternateTreeTitle();
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else return htmlspecialchars($this->Title, ENT_QUOTES);
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}
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/**
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* Overloaded to ensure the code is always descent.
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*
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* @param string
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*/
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public function setCode($val){
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$this->setField("Code", Convert::raw2url($val));
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}
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function onBeforeWrite() {
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parent::onBeforeWrite();
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// Only set code property when the group has a custom title, and no code exists.
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// The "Code" attribute is usually treated as a more permanent identifier than database IDs
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// in custom application logic, so can't be changed after its first set.
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if(!$this->Code && $this->Title != _t('SecurityAdmin.NEWGROUP',"New Group")) {
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if(!$this->Code) $this->setCode($this->Title);
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}
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}
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function onBeforeDelete() {
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parent::onBeforeDelete();
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// if deleting this group, delete it's children as well
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foreach($this->Groups() as $group) {
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$group->delete();
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}
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// Delete associated permissions
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foreach($this->Permissions() as $permission) {
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$permission->delete();
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}
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}
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/**
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* Checks for permission-code CMS_ACCESS_SecurityAdmin.
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* If the group has ADMIN permissions, it requires the user to have ADMIN permissions as well.
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*
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* @param $member Member
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* @return boolean
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*/
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public function canEdit($member = null) {
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if(!$member || !(is_a($member, 'Member')) || is_numeric($member)) $member = Member::currentUser();
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// extended access checks
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$results = $this->extend('canEdit', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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if(
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// either we have an ADMIN
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(bool)Permission::checkMember($member, "ADMIN")
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|| (
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// or a privileged CMS user and a group without ADMIN permissions.
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// without this check, a user would be able to add himself to an administrators group
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// with just access to the "Security" admin interface
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Permission::checkMember($member, "CMS_ACCESS_SecurityAdmin") &&
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!DataObject::get("Permission", "GroupID = $this->ID AND Code = 'ADMIN'")
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)
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) {
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return true;
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}
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return false;
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}
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/**
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* Checks for permission-code CMS_ACCESS_SecurityAdmin.
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*
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* @param $member Member
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* @return boolean
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*/
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public function canView($member = null) {
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if(!$member || !(is_a($member, 'Member')) || is_numeric($member)) $member = Member::currentUser();
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// extended access checks
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$results = $this->extend('canView', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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// user needs access to CMS_ACCESS_SecurityAdmin
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if(Permission::checkMember($member, "CMS_ACCESS_SecurityAdmin")) return true;
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return false;
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}
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public function canDelete($member = null) {
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if(!$member || !(is_a($member, 'Member')) || is_numeric($member)) $member = Member::currentUser();
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// extended access checks
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$results = $this->extend('canDelete', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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return $this->canEdit($member);
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}
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/**
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* Returns all of the children for the CMS Tree.
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* Filters to only those groups that the current user can edit
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*/
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function AllChildrenIncludingDeleted() {
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$extInstance = $this->getExtensionInstance('Hierarchy');
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$extInstance->setOwner($this);
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$children = $extInstance->AllChildrenIncludingDeleted();
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$extInstance->clearOwner();
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$filteredChildren = new ArrayList();
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if($children) foreach($children as $child) {
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if($child->canView()) $filteredChildren->push($child);
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}
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return $filteredChildren;
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}
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/**
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* Add default records to database.
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*
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* This function is called whenever the database is built, after the
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* database tables have all been created.
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*/
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public function requireDefaultRecords() {
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parent::requireDefaultRecords();
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// Add default author group if no other group exists
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$allGroups = DataObject::get('Group');
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if(!$allGroups->count()) {
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$authorGroup = new Group();
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$authorGroup->Code = 'content-authors';
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$authorGroup->Title = _t('Group.DefaultGroupTitleContentAuthors', 'Content Authors');
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$authorGroup->Sort = 1;
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$authorGroup->write();
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Permission::grant($authorGroup->ID, 'CMS_ACCESS_CMSMain');
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Permission::grant($authorGroup->ID, 'CMS_ACCESS_AssetAdmin');
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Permission::grant($authorGroup->ID, 'CMS_ACCESS_ReportAdmin');
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Permission::grant($authorGroup->ID, 'SITETREE_REORGANISE');
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}
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// Add default admin group if none with permission code ADMIN exists
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$adminGroups = Permission::get_groups_by_permission('ADMIN');
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if(!$adminGroups->count()) {
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$adminGroup = new Group();
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$adminGroup->Code = 'administrators';
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$adminGroup->Title = _t('Group.DefaultGroupTitleAdministrators', 'Administrators');
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$adminGroup->Sort = 0;
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$adminGroup->write();
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Permission::grant($adminGroup->ID, 'ADMIN');
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}
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// Members are populated through Member->requireDefaultRecords()
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}
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/**
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* @return String
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*/
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function CMSTreeClasses($controller) {
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$classes = sprintf('class-%s', $this->class);
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if(!$this->canDelete())
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$classes .= " nodelete";
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if($controller->isCurrentPage($this))
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$classes .= " current";
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if(!$this->canEdit())
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$classes .= " disabled";
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$classes .= $this->markingClasses();
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return $classes;
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}
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}
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