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<?php
/**
* Provides a bridge between the full serializable array model and POSTDATA array.
*
* Key differences between form data and the DOM are:
* - form fields cannot express attributes
* - form fields uses line breaks to separate multiple nodes
*/
class Loco_config_FormModel extends Loco_config_ArrayModel {
/**
* Export array data that matches the format used in postdata
* @return Loco_mvc_PostParams
*/
public function getPost(){
$dom = $this->getDom();
$root = $dom->documentElement;
$post = new Loco_mvc_PostParams( [
'name' => $root->getAttribute('name'),
'exclude' => [
'path' => '',
],
'conf' => [],
] );
/* @var LocoConfigElement $domain */
foreach( $this->query('domain',$root) as $domain ){
$domainName = $domain->getAttribute('name');
/* @var LocoConfigElement $project */
foreach( $domain as $project ){
$tree = [
'name' => $project->getAttribute('name'),
'slug' => $project->getAttribute('slug'),
'domain' => $domainName,
'source' => [
'path' => '',
'exclude' => [ 'path' => '' ],
],
'target' => [
'path' => '',
'exclude' => [ 'path' => '' ],
],
'template' => [ 'path' => '', 'locked' => false ],
];
$post['conf'][] = $this->collectPaths( $project, $tree );
}
}
/* @var LocoConfigElement $paths */
foreach( $this->query('exclude',$root) as $paths ){
$post['exclude'] = $this->collectPaths( $paths, $post['exclude'] );
}
return $post;
}
private function collectPaths( LocoConfigElement $parent, array $branch ){
$texts = [];
foreach( $parent as $child ){
$name = $child->nodeName;
// all file types as "path" in form model
if( 'file' === $name || 'directory' === $name ){
$name = 'path';
}
if( isset($branch[$name]) ){
// collect text if child is a <path> node
if( 'path' === $name ){
$file = $this->evaluateFileElement($child);
$path = $file->getRelativePath( $this->getDirectoryPath() );
if( '' === $path ){
$path = '.';
}
$texts[] = $path;
}
// else could be simple key to next depth
else if( is_array($branch[$name]) ){
$branch[$name] = $this->collectPaths( $child, $branch[$name] );
}
}
// @codeCoverageIgnoreStart
else {
throw new Exception('Unexpected structure: '.$name.' not in '.json_encode($branch) );
}
// @codeCoverageIgnoreEnd
}
// parent may have attributes we can set in branch data
foreach( $branch as $name => $default ){
if( $parent->hasAttribute($name) ){
if( is_bool($default) ){
$branch[$name] = $this->evaluateBooleanAttribute($parent, $name);
}
else {
$branch[$name] = $parent->getAttribute($name);
}
}
}
// set compiled path values if any collected
if( $texts ){
$value = implode("\n", $texts );
// display single root path as empty, but not when additional paths defined
if( '.' === $value ){
$branch['path'] = '';
}
else {
$branch['path'] = $value;
}
}
return $branch;
}
/**
* Construct model from posted form data.
* @return void
*/
public function loadForm( Loco_mvc_PostParams $post ){
// basic validation unlikely to fail when posted from UI
$name = $post->name;
if( ! $name ){
throw new InvalidArgumentException('Bundle must have a name');
}
$confs = $post->conf;
if( ! $confs || ! is_array($confs) ){
throw new InvalidArgumentException('Bundle must have at least one definition');
}
// transform posted data into internal model:
// deliberately not configuring bundle object at this point. simply converting data for storage.
$dom = $this->getDom();
$root = $dom->createElement('bundle');
$root->setAttribute( 'name', $name );
$dom->appendChild($root);
// bundle level excluded paths
if( $nodes = array_intersect_key( $post->getArrayCopy(), [ 'exclude' => '' ] ) ) {
$this->loadStruct( $root, $nodes );
}
// collect all projects grouped by domain
$domains = [];
foreach( $confs as $conf ){
if( ! empty($conf['removed']) ){
continue;
}
if( empty($conf['domain']) ){
throw new InvalidArgumentException( __('Text Domain cannot be empty','loco-translate') );
}
$domains[ $conf['domain'] ][] = $project = $dom->createElement('project');
// project attributes
foreach( ['name','slug'] as $attr ){
if( isset($conf[$attr]) ){
$project->setAttribute( $attr, $conf[$attr] );
}
}
// project children
if( $nodes = array_intersect_key( $conf, [ 'source' => '', 'target' => '', 'template' => '' ] ) ) {
$this->loadStruct( $project, $nodes );
}
}
// add all domains and their projects
foreach( $domains as $name => $projects ){
$parent = $dom->createElement('domain');
$parent->setAttribute('name',$name);
$root->appendChild($parent);
/* @var $project LocoConfigElement */
foreach( $projects as $project ){
$parent->appendChild( $project );
}
}
}
/**
* Recursively add array structure into model.
* - Text nodes are split into one parent element per line.
* - Elements added here cannot have attributes, but are not expected to as they came from form fields
*/
private function loadStruct( LocoConfigElement $parent, array $nodes ){
$dom = $this->getDom();
foreach( $nodes as $name => $data ){
if( is_string($data) ){
// support common path containing elements
if( 'file' === $name || 'directory' === $name || 'path' === $name ){
// form model has multiline "path" nodes which we'll expand from non-empty lines
// resolving empty paths to "." must be done elsewhere. here empty means ignore.
foreach( preg_split('/[\\r\\n]+/', trim( $data,"\n\r"), -1, PREG_SPLIT_NO_EMPTY ) as $path ){
$ext = pathinfo( $path, PATHINFO_EXTENSION );
$child = $parent->appendChild( $dom->createElement( $ext ? 'file' : 'directory' ) );
$child->appendChild( $dom->createTextNode($path) );
}
}
// else assume value is an attribute
else {
$parent->setAttribute( $name, $data );
}
}
else if( is_bool($data) ){
$data ? $parent->setAttribute($name,'true') : $parent->removeAttribute($name);
}
else if( ! is_array($data) ){
throw new InvalidArgumentException('Invalid datatype');
}
else {
$child = $dom->createElement($name);
$parent->appendChild($child);
$this->loadStruct( $child, $data );
}
}
}
}
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