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libraries/joomla/openstreetmap/changesets.php
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318
libraries/joomla/openstreetmap/changesets.php
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Openstreetmap
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*
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* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die();
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/**
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* Openstreetmap API Changesets class for the Joomla Platform
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*
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* @package Joomla.Platform
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* @subpackage Openstreetmap
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* @since 13.1
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*/
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class JOpenstreetmapChangesets extends JOpenstreetmapObject
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{
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/**
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* Method to create a changeset
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*
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* @param array $changesets Array which contains changeset data
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*
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* @return array The XML response
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*
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* @since 13.1
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*/
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public function createChangeset($changesets=array())
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{
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$token = $this->oauth->getToken();
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// Set parameters.
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$parameters = array(
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'oauth_token' => $token['key'],
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'oauth_token_secret' => $token['secret']
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);
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// Set the API base
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$base = 'changeset/create';
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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$xml = '<?xml version="1.0" encoding="UTF-8"?>
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<osm version="0.6" generator="JOpenstreetmap">';
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if (!empty($changesets))
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{
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// Create Changeset element for every changeset
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foreach ($changesets as $tags)
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{
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$xml .= '<changeset>';
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if (!empty($tags))
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{
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// Create a list of tags for each changeset
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foreach ($tags as $key => $value)
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{
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$xml .= '<tag k="' . $key . '" v="' . $value . '"/>';
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}
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}
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$xml .= '</changeset>';
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}
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}
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$xml .= '</osm>';
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$header['Content-Type'] = 'text/xml';
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// Send the request.
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$response = $this->oauth->oauthRequest($path, 'PUT', $parameters, $xml, $header);
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return $response->body;
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}
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/**
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* Method to read a changeset
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*
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* @param integer $id identifier of the changeset
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*
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* @return array The XML response about a changeset
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*
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* @since 13.1
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*/
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public function readChangeset($id)
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{
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// Set the API base
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$base = 'changeset/' . $id;
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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// Send the request.
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$xml_string = $this->sendRequest($path);
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return $xml_string->changeset;
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}
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/**
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* Method to update a changeset
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*
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* @param integer $id Identifier of the changeset
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* @param array $tags Array of tags to update
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*
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* @return array The XML response of updated changeset
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*
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* @since 13.1
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*/
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public function updateChangeset($id, $tags = array())
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{
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$token = $this->oauth->getToken();
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// Set parameters.
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$parameters = array(
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'oauth_token' => $token['key']
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);
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// Set the API base
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$base = 'changeset/' . $id;
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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// Create a list of tags to update changeset
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$tag_list = '';
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if (!empty($tags))
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{
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foreach ($tags as $key => $value)
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{
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$tag_list .= '<tag k="' . $key . '" v="' . $value . '"/>';
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}
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}
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$xml = '<?xml version="1.0" encoding="UTF-8"?>
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<osm version="0.6" generator="JOpenstreetmap">
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<changeset>'
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. $tag_list .
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'</changeset>
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</osm>';
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$header['Content-Type'] = 'text/xml';
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// Send the request.
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$response = $this->oauth->oauthRequest($path, 'PUT', $parameters, $xml, $header);
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$xml_string = simplexml_load_string($response->body);
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return $xml_string->changeset;
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}
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/**
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* Method to close a changeset
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*
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* @param integer $id identifier of the changeset
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*
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* @return void
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*
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* @since 13.1
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*/
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public function closeChangeset($id)
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{
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$token = $this->oauth->getToken();
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// Set parameters.
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$parameters = array(
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'oauth_token' => $token['key']
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);
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// Set the API base
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$base = 'changeset/' . $id . '/close';
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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$header['format'] = 'text/xml';
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// Send the request.
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$this->oauth->oauthRequest($path, 'PUT', $parameters, $header);
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}
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/**
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* Method to download a changeset
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*
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* @param integer $id Identifier of the changeset
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*
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* @return array The XML response of requested changeset
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*
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* @since 13.1
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*/
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public function downloadChangeset($id)
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{
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// Set the API base
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$base = 'changeset/' . $id . '/download';
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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// Send the request.
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$xml_string = $this->sendRequest($path);
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return $xml_string->create;
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}
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/**
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* Method to expand the bounding box of a changeset
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*
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* @param integer $id Identifier of the changeset
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* @param array $nodes List of lat lon about nodes
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*
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* @return array The XML response of changed changeset
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*
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* @since 13.1
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*/
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public function expandBBoxChangeset($id, $nodes)
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{
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$token = $this->oauth->getToken();
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// Set parameters.
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$parameters = array(
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'oauth_token' => $token['key']
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);
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// Set the API base
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$base = 'changeset/' . $id . '/expand_bbox';
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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// Create a list of tags to update changeset
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$node_list = '';
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if (!empty($nodes))
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{
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foreach ($nodes as $node)
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{
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$node_list .= '<node lat="' . $node[0] . '" lon="' . $node[1] . '"/>';
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}
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}
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$xml = '<?xml version="1.0" encoding="UTF-8"?>
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<osm version="0.6" generator="JOpenstreetmap">
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<changeset>'
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. $node_list .
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'</changeset>
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</osm>';
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$header['Content-Type'] = 'text/xml';
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// Send the request.
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$response = $this->oauth->oauthRequest($path, 'POST', $parameters, $xml, $header);
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$xml_string = simplexml_load_string($response->body);
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return $xml_string->changeset;
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}
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/**
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* Method to query on changesets
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*
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* @param string $param Parameters for query
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*
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* @return array The XML response
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*
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* @since 13.1
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*/
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public function queryChangeset($param)
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{
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// Set the API base
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$base = 'changesets/' . $param;
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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// Send the request.
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$xml_string = $this->sendRequest($path);
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return $xml_string->osm;
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}
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/**
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* Method to upload a diff to a changeset
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*
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* @param string $xml Diff data to upload
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* @param integer $id Identifier of the changeset
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*
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* @return array The XML response of result
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*
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* @since 13.1
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*/
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public function diffUploadChangeset($xml, $id)
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{
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$token = $this->oauth->getToken();
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// Set parameters.
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$parameters = array(
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'oauth_token' => $token['key']
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);
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// Set the API base
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$base = 'changeset/' . $id . '/upload';
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// Build the request path.
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$path = $this->getOption('api.url') . $base;
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$header['Content-Type'] = 'text/xml';
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// Send the request.
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$response = $this->oauth->oauthRequest($path, 'POST', $parameters, $xml, $header);
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$xml_string = simplexml_load_string($response->body);
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return $xml_string->diffResult;
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}
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}
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