Files
iTop/setup/itopdesignformat.class.inc.php
2020-11-04 16:15:17 +01:00

861 lines
26 KiB
PHP

<?php
/**
* Copyright (C) 2013-2020 Combodo SARL
*
* This file is part of iTop.
*
* iTop is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* iTop 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
*/
define('ITOP_DESIGN_LATEST_VERSION', '1.8'); // iTop >= 3.0.0
/**
* Utility to upgrade the format of a given XML datamodel to the latest version
* The datamodel is supplied as a loaded DOMDocument and modified in-place.
*
* To test migration methods check {@link \Combodo\iTop\Test\UnitTest\Setup\TestForITopDesignFormatClass}
*
* Usage:
*
* $oDocument = new DOMDocument();
* $oDocument->load($sXMLFile);
* $oFormat = new iTopDesignFormat($oDocument);
* if ($oFormat->Convert())
* {
* $oDocument->save($sXMLFile);
* }
* else
* {
* echo "Error, failed to upgrade the format, reason(s):\n".implode("\n", $oFormat->GetErrors());
* }
*/
class iTopDesignFormat
{
public static $aVersions = array(
'1.0' => array(
'previous' => null,
'go_to_previous' => null,
'next' => '1.1',
'go_to_next' => 'From10To11',
),
'1.1' => array(
'previous' => '1.0',
'go_to_previous' => 'From11To10',
'next' => '1.2',
'go_to_next' => 'From11To12',
),
'1.2' => array(
'previous' => '1.1',
'go_to_previous' => 'From12To11',
'next' => '1.3',
'go_to_next' => 'From12To13',
),
'1.3' => array(
'previous' => '1.2',
'go_to_previous' => 'From13To12',
'next' => '1.4',
'go_to_next' => 'From13To14',
),
'1.4' => array(
'previous' => '1.3',
'go_to_previous' => 'From14To13',
'next' => '1.5',
'go_to_next' => 'From14To15',
),
'1.5' => array(
'previous' => '1.4',
'go_to_previous' => 'From15To14',
'next' => '1.6',
'go_to_next' => 'From15To16',
),
'1.6' => array(
'previous' => '1.5',
'go_to_previous' => 'From16To15',
'next' => '1.7',
'go_to_next' => 'From16To17',
),
'1.7' => array(
'previous' => '1.6',
'go_to_previous' => 'From17To16',
'next' => '1.8',
'go_to_next' => 'From17To18',
),
'1.8' => array(
'previous' => '1.7',
'go_to_previous' => 'From18To17',
'next' => null,
'go_to_next' => null,
)
);
/**
* The Document to work on
* @var DOMDocument
*/
protected $oDocument;
/**
* The log for the ongoing operation
* @var DOMDocument
*/
protected $aLog;
protected $bStatus;
/**
* Creation from a loaded DOMDocument
* @param DOMDocument $oDocument The document to transform
*/
public function __construct(DOMDocument $oDocument)
{
$this->oDocument = $oDocument;
}
/**
* Helper to fill the log structure
* @param string $sMessage The error description
*/
protected function LogError($sMessage)
{
$this->aLog[] = array(
'severity' => 'Error',
'msg' => $sMessage,
);
$this->bStatus = false;
}
/**
* Helper to fill the log structure
* @param string $sMessage The error description
*/
protected function LogWarning($sMessage)
{
$this->aLog[] = array(
'severity' => 'Warning',
'msg' => $sMessage,
);
}
/**
* Helper to fill the log structure
* @param string $sMessage The message
*/
protected function LogInfo($sMessage)
{
$this->aLog[] = array(
'severity' => 'Info',
'msg' => $sMessage,
);
}
/**
* Get all the errors in one single array
*/
public function GetErrors()
{
$aErrors = array();
foreach ($this->aLog as $aLogEntry)
{
if ($aLogEntry['severity'] == 'Error')
{
$aErrors[] = $aLogEntry['msg'];
}
}
return $aErrors;
}
/**
* Get all the warnings in one single array
*/
public function GetWarnings()
{
$aErrors = array();
foreach ($this->aLog as $aLogEntry)
{
if ($aLogEntry['severity'] == 'Warning')
{
$aErrors[] = $aLogEntry['msg'];
}
}
return $aErrors;
}
/**
* Get the whole log
*/
public function GetLog()
{
return $this->aLog;
}
/**
* An alternative to getNodePath, that gives the id of nodes instead of the position within the children
* @param $oNode
* @return string
*/
public static function GetItopNodePath($oNode)
{
if ($oNode instanceof DOMDocument) return '';
$sId = $oNode->getAttribute('id');
$sNodeDesc = ($sId != '') ? $oNode->nodeName.'['.$sId.']' : $oNode->nodeName;
return self::GetItopNodePath($oNode->parentNode).'/'.$sNodeDesc;
}
/**
* Test the conversion without altering the DOM
*
* @param string $sTargetVersion The desired version (or the latest possible version if not specified)
* @param object $oFactory Full data model (not yet used, aimed at allowing conversion that could not be performed without knowing the
* whole data model)
*
* @return bool True on success
*/
public function CheckConvert($sTargetVersion = ITOP_DESIGN_LATEST_VERSION, $oFactory = null)
{
// Clone the document
$this->oDocument = $this->oDocument->cloneNode(true);
return $this->Convert($sTargetVersion, $oFactory);
}
/**
* Make adjustements to the DOM to migrate it to the specified version (default is latest)
* For now only the conversion from version 1.0 to 1.1 is supported.
*
* @param string $sTargetVersion The desired version (or the latest possible version if not specified)
* @param object $oFactory Full data model (not yet used, aimed at allowing conversion that could not be performed without knowing the
* whole data model)
*
* @return bool True on success, False if errors have been encountered (still the DOM may be altered!)
*/
public function Convert($sTargetVersion = ITOP_DESIGN_LATEST_VERSION, $oFactory = null)
{
$this->aLog = array();
$this->bStatus = true;
$oXPath = new DOMXPath($this->oDocument);
// Retrieve the version number
$oNodeList = $oXPath->query('/itop_design');
if ($oNodeList->length == 0)
{
// Hmm, not an iTop Data Model file...
$this->LogError('File format, no root <itop_design> tag found');
}
else
{
$sVersion = $oNodeList->item(0)->getAttribute('version');
if ($sVersion == '')
{
// Originaly, the information was missing: default to 1.0
$sVersion = '1.0';
}
$this->LogInfo("Converting from $sVersion to $sTargetVersion");
$this->DoConvert($sVersion, $sTargetVersion, $oFactory);
if ($this->bStatus)
{
// Update the version number
$oNodeList->item(0)->setAttribute('version', $sTargetVersion);
}
}
return $this->bStatus;
}
/**
* Does the conversion, eventually in a recursive manner
*
* @param string $sFrom The source format version
* @param string $sTo The desired format version
* @param object $oFactory Full data model (not yet used, aimed at allowing conversion that could not be performed without knowing the
* whole data model)
*/
protected function DoConvert($sFrom, $sTo, $oFactory = null)
{
if ($sFrom == $sTo)
{
return;
}
if (!array_key_exists($sFrom, self::$aVersions))
{
$this->LogError("Unknown source format version: $sFrom");
return;
}
if (!array_key_exists($sTo, self::$aVersions))
{
$this->LogError("Unknown target format version: $sTo");
return; // unknown versions are not supported
}
$aVersionIds = array_keys(self::$aVersions);
$iFrom = array_search($sFrom, $aVersionIds);
$iTo = array_search($sTo, $aVersionIds);
if ($iFrom < $iTo)
{
// This is an upgrade
$sIntermediate = self::$aVersions[$sFrom]['next'];
$sTransform = self::$aVersions[$sFrom]['go_to_next'];
$this->LogInfo("Upgrading from $sFrom to $sIntermediate ($sTransform)");
}
else
{
// This is a downgrade
$sIntermediate = self::$aVersions[$sFrom]['previous'];
$sTransform = self::$aVersions[$sFrom]['go_to_previous'];
$this->LogInfo("Downgrading from $sFrom to $sIntermediate ($sTransform)");
}
// Transform to the intermediate format
$aCallSpec = array($this, $sTransform);
try
{
call_user_func($aCallSpec, $oFactory);
// Recurse
$this->DoConvert($sIntermediate, $sTo, $oFactory);
}
catch (Exception $e)
{
$this->LogError($e->getMessage());
}
return;
}
/**
* Upgrade the format from version 1.0 to 1.1
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From10To11($oFactory)
{
// Adjust the XML to transparently add an id (=stimulus) on all life-cycle transitions
// which don't already have one
$oXPath = new DOMXPath($this->oDocument);
$oNodeList = $oXPath->query('/itop_design/classes//class/lifecycle/states/state/transitions/transition/stimulus');
foreach ($oNodeList as $oNode)
{
$oNode->parentNode->SetAttribute('id', $oNode->textContent);
$this->DeleteNode($oNode);
}
// Adjust the XML to transparently add an id (=percent) on all thresholds of stopwatches
// which don't already have one
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeStopWatch']/thresholds/threshold/percent");
foreach ($oNodeList as $oNode)
{
$oNode->parentNode->SetAttribute('id', $oNode->textContent);
$this->DeleteNode($oNode);
}
// Adjust the XML to transparently add an id (=action:<type>) on all allowed actions (profiles)
// which don't already have one
$oNodeList = $oXPath->query('/itop_design/user_rights/profiles/profile/groups/group/actions/action');
foreach ($oNodeList as $oNode)
{
if ($oNode->getAttribute('id') == '')
{
$oNode->SetAttribute('id', 'action:' . $oNode->getAttribute('xsi:type'));
$oNode->removeAttribute('xsi:type');
}
elseif ($oNode->getAttribute('xsi:type') == 'stimulus')
{
$oNode->SetAttribute('id', 'stimulus:' . $oNode->getAttribute('id'));
$oNode->removeAttribute('xsi:type');
}
}
// Adjust the XML to transparently add an id (=value) on all values of an enum which don't already have one.
// This enables altering an enum for just adding/removing one value, intead of redefining the whole list of values.
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeEnum']/values/value");
foreach ($oNodeList as $oNode)
{
if ($oNode->getAttribute('id') == '')
{
$oNode->SetAttribute('id', $oNode->textContent);
}
}
}
/**
* Downgrade the format from version 1.1 to 1.0
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From11To10($oFactory)
{
// Move the id down to a stimulus node on all life-cycle transitions
$oXPath = new DOMXPath($this->oDocument);
$oNodeList = $oXPath->query('/itop_design/classes//class/lifecycle/states/state/transitions/transition[@id]');
foreach ($oNodeList as $oNode)
{
if ($oXPath->query('descendant-or-self::*[@_delta or @_rename_from]', $oNode)->length > 0)
{
$this->LogError('Alterations have been defined under the node: '.self::GetItopNodePath($oNode));
}
$oStimulus = $oNode->ownerDocument->createElement('stimulus', $oNode->getAttribute('id'));
$oNode->appendChild($oStimulus);
$oNode->removeAttribute('id');
}
// Move the id down to a percent node on all thresholds
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeStopWatch']/thresholds/threshold[@id]");
foreach ($oNodeList as $oNode)
{
if ($oXPath->query('descendant-or-self::*[@_delta or @_rename_from]', $oNode)->length > 0)
{
$this->LogError('Alterations have been defined under the node: '.self::GetItopNodePath($oNode));
}
$oStimulus = $oNode->ownerDocument->createElement('percent', $oNode->getAttribute('id'));
$oNode->appendChild($oStimulus);
$oNode->removeAttribute('id');
}
// Restore the type and id on profile/actions
$oNodeList = $oXPath->query('/itop_design/user_rights/profiles/profile/groups/group/actions/action');
foreach ($oNodeList as $oNode)
{
if ($oXPath->query('descendant-or-self::*[@_delta or @_rename_from]', $oNode)->length > 0)
{
$this->LogError('Alterations have been defined under the node: '.self::GetItopNodePath($oNode));
}
if (substr($oNode->getAttribute('id'), 0, strlen('action')) == 'action')
{
// The id has the form 'action:<action_code>'
$sActionCode = substr($oNode->getAttribute('id'), strlen('action:'));
$oNode->removeAttribute('id');
$oNode->setAttribute('xsi:type', $sActionCode);
}
else
{
// The id has the form 'stimulus:<stimulus_code>'
$sStimulusCode = substr($oNode->getAttribute('id'), strlen('stimulus:'));
$oNode->setAttribute('id', $sStimulusCode);
$oNode->setAttribute('xsi:type', 'stimulus');
}
}
// Remove the id on all enum values
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeEnum']/values/value[@id]");
foreach ($oNodeList as $oNode)
{
if ($oXPath->query('descendant-or-self::*[@_delta or @_rename_from]', $oNode)->length > 0)
{
$this->LogError('Alterations have been defined under the node: '.self::GetItopNodePath($oNode));
}
$oNode->removeAttribute('id');
}
}
/**
* Upgrade the format from version 1.1 to 1.2
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From11To12($oFactory)
{
}
/**
* Downgrade the format from version 1.2 to 1.1
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From12To11($oFactory)
{
$oXPath = new DOMXPath($this->oDocument);
// Transform ObjectKey attributes into Integer
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeObjectKey']");
foreach ($oNodeList as $oNode)
{
$oNode->setAttribute('xsi:type', 'AttributeInteger');
// The property class_attcode is left there (doing no harm)
$this->LogWarning('The attribute '.self::GetItopNodePath($oNode).' has been degraded into an integer attribute. Any OQL query using this attribute will fail.');
}
// Remove Redundancy settings attributes (no redundancy could be defined in the previous format)
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeRedundancySettings']");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The attribute '.self::GetItopNodePath($oNode).' is of no use and must be removed.');
$this->DeleteNode($oNode);
}
// Later: transform the relations into code (iif defined as an SQL query)
$oNodeList = $oXPath->query('/itop_design/classes//class/relations');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The relations defined in '.self::GetItopNodePath($oNode).' will be lost.');
$this->DeleteNode($oNode);
}
$oNodeList = $oXPath->query('/itop_design/portal');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Portal definition will be lost.');
$this->DeleteNode($oNode);
}
$oNodeList = $oXPath->query('/itop_design/module_parameters');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Module parameters will be lost.');
$this->DeleteNode($oNode);
}
$oNodeList = $oXPath->query('/itop_design/snippets');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Code snippets will be lost.');
$this->DeleteNode($oNode);
}
}
/**
* Upgrade the format from version 1.2 to 1.3
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From12To13($oFactory)
{
}
/**
* Downgrade the format from version 1.3 to 1.2
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From13To12($oFactory)
{
$oXPath = new DOMXPath($this->oDocument);
$oNodeList = $oXPath->query('/itop_design/module_designs/module_design');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The module design defined in '.self::GetItopNodePath($oNode).' will be lost.');
$this->DeleteNode($oNode);
}
// Remove MetaEnum attributes
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeMetaEnum']");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The attribute '.self::GetItopNodePath($oNode).' is irrelevant and must be removed.');
$this->DeleteNode($oNode);
}
// Remove CustomFields attributes
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeCustomFields']");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The attribute '.self::GetItopNodePath($oNode).' is irrelevant and must be removed.');
$this->DeleteNode($oNode);
}
// Remove Image attributes
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@xsi:type='AttributeImage']");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The attribute '.self::GetItopNodePath($oNode).' is irrelevant and must be removed.');
$this->DeleteNode($oNode);
}
// Discard _delta="if_exists"
//
$oNodeList = $oXPath->query("//*[@_delta='if_exists']");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('The flag _delta="if_exists" on '.self::GetItopNodePath($oNode).' is irrelevant and must be replaced by _delta="must_exist".');
$oNode->setAttribute('_delta', 'must_exist');
}
}
/**
* Upgrade the format from version 1.3 to 1.4
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From13To14($oFactory)
{
}
/**
* Downgrade the format from version 1.4 to 1.3
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From14To13($oFactory)
{
$oXPath = new DOMXPath($this->oDocument);
// Transform _delta="force" into _delta="define"
//
$oNodeList = $oXPath->query("/itop_design/classes//class/fields/field[@_delta='force']");
$iCount = 0;
foreach ($oNodeList as $oNode)
{
$oNode->setAttribute('_delta', 'define');
$iCount++;
}
if ($iCount > 0)
{
$this->LogWarning('The attribute _delta="force" is not supported, converted to _delta="define" ('.$iCount.' instances processed).');
}
// Remove attribute flags on transitions
//
$oNodeList = $oXPath->query("/itop_design/classes//class/lifecycle/states/state/transitions/transition/flags");
$this->LogWarning('Before removing flags nodes');
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Attribute flags '.self::GetItopNodePath($oNode).' is irrelevant on transition and must be removed.');
$this->DeleteNode($oNode);
}
}
/**
* Downgrade the format from version 1.5 to 1.4
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From15To14($oFactory)
{
$oXPath = new DOMXPath($this->oDocument);
// Remove nodes on some menus
//
$sPath = "/itop_design/menus/menu[@xsi:type!='MenuGroup' and @xsi:type!='TemplateMenuNode']";
$oNodeList = $oXPath->query("$sPath/enable_class | $sPath/enable_action | $sPath/enable_permission | $sPath/enable_stimulus");
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Node '.self::GetItopNodePath($oNode).' is irrelevant in this version, it will be ignored. Use enable_admin_only instead.');
}
}
/**
* Upgrade the format from version 1.4 to 1.5
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From14To15($oFactory)
{
}
/**
* Upgrade the format from version 1.5 to 1.6
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From15To16($oFactory)
{
// nothing changed !
}
/**
* Downgrade the format from version 1.6 to 1.5
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From16To15($oFactory)
{
$oXPath = new DOMXPath($this->oDocument);
// Remove AttributeTagSet nodes
//
$sPath = "/itop_design/classes/class/fields/field[@xsi:type='AttributeTagSet']";
$this->RemoveNodeFromXPath($sPath);
// Remove uniqueness rules nodes
//
$sPath = "/itop_design/classes/class/properties/uniqueness_rules";
$this->RemoveNodeFromXPath($sPath);
}
/**
* Upgrade the format from version 1.6 to 1.7
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From16To17($oFactory)
{
// N°2275 Clean branding node (move "define" from collection to logos or theme, noe that any other nodes will be seen as "merge")
$this->CleanDefineOnCollectionNode('/itop_design/branding',
'*[self::main_logo or self::login_logo or self::portal_logo]|themes/theme');
// N°2275 Clean portal form properties node (move "define" from collection to each property)
$this->CleanDefineOnCollectionNode('/itop_design/module_designs/module_design[@id="itop-portal"]/forms/form/properties', '*');
// N°2806 Clean legacy portal constants
$aConstantsIDsToRemove = array(
'PORTAL_POWER_USER_PROFILE',
'PORTAL_SERVICECATEGORY_QUERY',
'PORTAL_SERVICE_SUBCATEGORY_QUERY',
'PORTAL_VALIDATE_SERVICECATEGORY_QUERY',
'PORTAL_VALIDATE_SERVICESUBCATEGORY_QUERY',
'PORTAL_ALL_PARAMS',
'PORTAL_SET_TYPE_FROM',
'PORTAL_TYPE_TO_CLASS',
'PORTAL_TICKETS_SEARCH_CRITERIA',
'PORTAL_TICKETS_SEARCH_FILTER_service_id',
'PORTAL_TICKETS_SEARCH_FILTER_caller_id',
'PORTAL_INCIDENT_PUBLIC_LOG',
'PORTAL_INCIDENT_USER_COMMENT',
'PORTAL_INCIDENT_FORM_ATTRIBUTES',
'PORTAL_INCIDENT_TYPE',
'PORTAL_INCIDENT_LIST_ZLIST',
'PORTAL_INCIDENT_CLOSED_ZLIST',
'PORTAL_INCIDENT_DETAILS_ZLIST',
'PORTAL_INCIDENT_DISPLAY_QUERY',
'PORTAL_INCIDENT_DISPLAY_POWERUSER_QUERY',
'PORTAL_USERREQUEST_PUBLIC_LOG',
'PORTAL_USERREQUEST_USER_COMMENT',
'PORTAL_USERREQUEST_FORM_ATTRIBUTES',
'PORTAL_USERREQUEST_TYPE',
'PORTAL_USERREQUEST_LIST_ZLIST',
'PORTAL_USERREQUEST_CLOSED_ZLIST',
'PORTAL_USERREQUEST_DETAILS_ZLIST',
'PORTAL_USERREQUEST_DISPLAY_QUERY',
'PORTAL_USERREQUEST_DISPLAY_POWERUSER_QUERY',
);
foreach($aConstantsIDsToRemove as $sConstantIDToRemove)
{
$sXPath = '/itop_design/constants/constant[@id="'.$sConstantIDToRemove.'"]';
$this->RemoveNodeFromXPath($sXPath);
}
// N°2806 Clean legacy portal "portal" node
$sXPath = '/itop_design/portals/portal[@id="legacy_portal"]';
$this->RemoveNodeFromXPath($sXPath);
}
/**
* Upgrade the format from version 1.4 to 1.5
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From17To16($oFactory)
{
// N°1283 - remove "in_new_window" option for WebPageMenuNode
$sPath = "/itop_design/menus/menu[@xsi:type='WebPageMenuNode']/in_new_window";
$this->RemoveNodeFromXPath($sPath);
// N°2314 - remove "themes" nodes
$sPath = "/itop_design/branding/themes";
$this->RemoveNodeFromXPath($sPath);
// N°2746 - remove attributes Enum Set
$sPath = "/itop_design/classes/class/class/fields/field[@xsi:type='AttributeEnumSet']";
$this->RemoveNodeFromXPath($sPath);
}
/**
* Upgrade the format from version 1.7 to 1.8
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From17To18($oFactory)
{
// N°3233 - Remove "display template" feature from MetaModel
$sPath = "/itop_design//class/properties/display_template";
$this->RemoveNodeFromXPath($sPath);
}
/**
* Downgrade the format from version 1.8 to 1.7
* @param \ModelFactory $oFactory
* @return void (Errors are logged)
*/
protected function From18To17($oFactory)
{
// N°3182 - Remove style node from MenuGroup
$sPath = "/itop_design/menus/menu[@xsi:type='MenuGroup']/style";
$this->RemoveNodeFromXPath($sPath);
// N°3185 - Remove main_logo_compact node from branding
$sPath = "/itop_design/branding/main_logo_compact";
$this->RemoveNodeFromXPath($sPath);
// N°2982 - Speed up SCSS themes compilation during setup
$sPath = "/itop_design/branding/themes/theme/precompiled_stylesheet";
$this->RemoveNodeFromXPath($sPath);
}
/**
* @param string $sPath
*
* @return void
*/
private function RemoveNodeFromXPath($sPath)
{
$oXPath = new DOMXPath($this->oDocument);
$oNodeList = $oXPath->query($sPath);
foreach ($oNodeList as $oNode)
{
$this->LogWarning('Node '.self::GetItopNodePath($oNode).' is irrelevant in this version, it will be removed.');
$this->DeleteNode($oNode);
}
}
/**
* Clean a collection node by removing the _delta="define" on it and moving it to the item nodes.
*
* @param string $sCollectionXPath Absolute XPath to the collection node
* @param string $sItemsRelativeXPath *Relative* XPath to the item nodes from the collection node
*
* @return void
* @since 2.7.0
*/
private function CleanDefineOnCollectionNode($sCollectionXPath, $sItemsRelativeXPath)
{
$oXPath = new DOMXPath($this->oDocument);
// Iterate over collections
$oCollectionNodeList = $oXPath->query($sCollectionXPath);
/** @var \DOMElement $oCollectionNode */
foreach ($oCollectionNodeList as $oCollectionNode)
{
// Move _delta="define" from collection to items
if (($oCollectionNode->hasAttribute('_delta')) && ($oCollectionNode->getAttribute('_delta') === "define"))
{
$oCollectionNode->removeAttribute('_delta');
$oItemNodeList = $oXPath->query($sItemsRelativeXPath, $oCollectionNode);
/** @var \DOMElement $oItemNode */
foreach ($oItemNodeList as $oItemNode)
{
$oItemNode->setAttribute('_delta', 'define');
}
}
}
}
/**
* Delete a node from the DOM and make sure to also remove the immediately following line break (DOMText), if any.
* This prevents generating empty lines in the middle of the XML
*
* @param DOMNode $oNode
*/
protected function DeleteNode($oNode)
{
if ($oNode->nextSibling && ($oNode->nextSibling instanceof DOMText) && ($oNode->nextSibling->isWhitespaceInElementContent()))
{
$oNode->parentNode->removeChild($oNode->nextSibling);
}
$oNode->parentNode->removeChild($oNode);
}
}