27c069848e
#84 renamed "landingpage" view to "login" view #84 added some basic CREST API data mappers #84 added "isNPC" flag t Corporation table (WIP) #84 added CREST API settings to environment.ini
106 lines
3.2 KiB
PHP
106 lines
3.2 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: Exodus
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* Date: 31.01.2016
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* Time: 04:06
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*/
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namespace data\mapper;
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class AbstractIterator extends \RecursiveArrayIterator {
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/**
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* iterator mapping
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* -> overwrite in child classes (late static binding)
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* @var array
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*/
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protected static $map = [];
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/**
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* remove unmapped values from Array
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* -> see $map
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* @var bool
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*/
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protected static $removeUnmapped = true;
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function __construct($data){
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parent::__construct($data, \RecursiveIteratorIterator::SELF_FIRST);
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}
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/**
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* map iterator
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* @return array
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*/
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public function getData(){
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iterator_apply($this, 'self::recursiveIterator', [$this]);
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return iterator_to_array($this, true);
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}
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/**
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* recursive iterator function called on every node
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* @param $iterator
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* @return mixed
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*/
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static function recursiveIterator($iterator){
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while($iterator->valid()){
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if(array_key_exists($iterator->key(), static::$map)){
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// check for mapping key
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if($iterator->hasChildren()){
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// recursive call for child elements
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$iterator->offsetSet($iterator->key(), forward_static_call(array('self', __METHOD__), $iterator->getChildren())->getArrayCopy());
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$iterator->next();
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}elseif(is_array(static::$map[$iterator->key()])){
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// a -> array mapping
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$parentKey = array_keys(static::$map[$iterator->key()])[0];
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$entryKey = array_values(static::$map[$iterator->key()])[0];
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// check if key already exists
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if($iterator->offsetExists($parentKey)){
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$currentValue = $iterator->offsetGet($parentKey);
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// add new array entry
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$currentValue[$entryKey] = $iterator->current();
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$iterator->offsetSet($parentKey, $currentValue);
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}else{
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$iterator->offsetSet($parentKey, [$entryKey => $iterator->current()]);
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}
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}elseif(is_object(static::$map[$iterator->key()])){
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// a -> a (format by function)
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$formatFunction = static::$map[$iterator->key()];
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$iterator->offsetSet($iterator->key(), call_user_func($formatFunction, $iterator));
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// just value change no key change
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$iterator->next();
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}elseif(static::$map[$iterator->key()] !== $iterator->key()){
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// a -> b mapping (key changed)
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$iterator->offsetSet(static::$map[$iterator->key()], $iterator->current());
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$iterator->offsetUnset($iterator->key());
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}else{
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// a -> a (no changes)
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$iterator->next();
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}
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}elseif(
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static::$removeUnmapped &&
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!in_array($iterator->key(), static::$map)
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){
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$iterator->offsetUnset($iterator->key());
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}else{
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$iterator->next();
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}
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}
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return $iterator;
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}
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} |