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/home/develito/httpdocs/libraries/joomla/openstreetmap/changesets.php

<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Openstreetmap
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die();

/**
 * Openstreetmap API Changesets class for the Joomla Platform
 *
 * @since       3.2.0
 * @deprecated  4.0  Use the `joomla/openstreetmap` package via Composer instead
 */
class JOpenstreetmapChangesets extends JOpenstreetmapObject
{
	/**
	 * Method to create a changeset
	 *
	 * @param   array  $changesets  Array which contains changeset data
	 *
	 * @return  array  The XML response
	 *
	 * @since   3.2.0
	 */
	public function createChangeset($changesets=array())
	{
		$token = $this->oauth->getToken();

// Set parameters.
		$parameters = array(
			'oauth_token' => $token['key'],
			'oauth_token_secret' => $token['secret'],
		);

// Set the API base
		$base = 'changeset/create';

// Build the request path.
		$path = $this->getOption('api.url') . $base;

$xml = '<?xml version="1.0" encoding="UTF-8"?>
			<osm version="0.6" generator="JOpenstreetmap">';

if (!empty($changesets))
		{
			// Create Changeset element for every changeset
			foreach ($changesets as $tags)
			{
				$xml .= '<changeset>';

if (!empty($tags))
				{
					// Create a list of tags for each changeset
					foreach ($tags as $key => $value)
					{
						$xml .= '<tag k="' . $key . '" v="' . $value . '"/>';
					}
				}

$xml .= '</changeset>';
			}
		}

$xml .= '</osm>';

$header['Content-Type'] = 'text/xml';

// Send the request.
		$response = $this->oauth->oauthRequest($path, 'PUT', $parameters, $xml, $header);

return $response->body;
	}

/**
	 * Method to read a changeset
	 *
	 * @param   integer  $id  identifier of the changeset
	 *
	 * @return  array  The XML response about a changeset
	 *
	 * @since   3.2.0
	 */
	public function readChangeset($id)
	{
		// Set the API base
		$base = 'changeset/' . $id;

// Build the request path.
		$path = $this->getOption('api.url') . $base;

// Send the request.
		$xml_string = $this->sendRequest($path);

return $xml_string->changeset;
	}

/**
	 * Method to update a changeset
	 *
	 * @param   integer  $id    Identifier of the changeset
	 * @param   array    $tags  Array of tags to update
	 *
	 * @return  array  The XML response of updated changeset
	 *
	 * @since   3.2.0
	 */
	public function updateChangeset($id, $tags = array())
	{
		$token = $this->oauth->getToken();

// Set parameters.
		$parameters = array(
			'oauth_token' => $token['key'],
		);

// Set the API base
		$base = 'changeset/' . $id;

// Build the request path.
		$path = $this->getOption('api.url') . $base;

// Create a list of tags to update changeset
		$tag_list = '';

if (!empty($tags))
		{
			foreach ($tags as $key => $value)
			{
				$tag_list .= '<tag k="' . $key . '" v="' . $value . '"/>';
			}
		}

$xml = '<?xml version="1.0" encoding="UTF-8"?>
				<osm version="0.6" generator="JOpenstreetmap">
				<changeset>'
				. $tag_list .
				'</changeset>
				</osm>';

$header['Content-Type'] = 'text/xml';

// Send the request.
		$response = $this->oauth->oauthRequest($path, 'PUT', $parameters, $xml, $header);

$xml_string = simplexml_load_string($response->body);

return $xml_string->changeset;
	}

/**
	 * Method to close a changeset
	 *
	 * @param   integer  $id  identifier of the changeset
	 *
	 * @return  void
	 *
	 * @since   3.2.0
	 */
	public function closeChangeset($id)
	{
		$token = $this->oauth->getToken();

// Set parameters.
		$parameters = array(
			'oauth_token' => $token['key'],
		);

// Set the API base
		$base = 'changeset/' . $id . '/close';

// Build the request path.
		$path = $this->getOption('api.url') . $base;

$header['format'] = 'text/xml';

// Send the request.
		$this->oauth->oauthRequest($path, 'PUT', $parameters, $header);
	}

/**
	 * Method to download a changeset
	 *
	 * @param   integer  $id  Identifier of the changeset
	 *
	 * @return  array  The XML response of requested changeset
	 *
	 * @since   3.2.0
	 */
	public function downloadChangeset($id)
	{
		// Set the API base
		$base = 'changeset/' . $id . '/download';

// Build the request path.
		$path = $this->getOption('api.url') . $base;

// Send the request.
		$xml_string = $this->sendRequest($path);

return $xml_string->create;
	}

/**
	 * Method to expand the bounding box of a changeset
	 *
	 * @param   integer  $id     Identifier of the changeset
	 * @param   array    $nodes  List of lat lon about nodes
	 *
	 * @return  array  The XML response of changed changeset
	 *
	 * @since   3.2.0
	 */
	public function expandBBoxChangeset($id, $nodes)
	{
		$token = $this->oauth->getToken();

// Set parameters.
		$parameters = array(
			'oauth_token' => $token['key'],
		);

// Set the API base
		$base = 'changeset/' . $id . '/expand_bbox';

// Build the request path.
		$path = $this->getOption('api.url') . $base;

// Create a list of tags to update changeset
		$node_list = '';

if (!empty($nodes))
		{
			foreach ($nodes as $node)
			{
				$node_list .= '<node lat="' . $node[0] . '" lon="' . $node[1] . '"/>';
			}
		}

$xml = '<?xml version="1.0" encoding="UTF-8"?>
				<osm version="0.6" generator="JOpenstreetmap">
				<changeset>'
				. $node_list .
				'</changeset>
			</osm>';

$header['Content-Type'] = 'text/xml';

// Send the request.
		$response = $this->oauth->oauthRequest($path, 'POST', $parameters, $xml, $header);

$xml_string = simplexml_load_string($response->body);

return $xml_string->changeset;
	}

/**
	 * Method to query on changesets
	 *
	 * @param   string  $param  Parameters for query
	 *
	 * @return  array  The XML response
	 *
	 * @since   3.2.0
	 */
	public function queryChangeset($param)
	{
		// Set the API base
		$base = 'changesets/' . $param;

// Build the request path.
		$path = $this->getOption('api.url') . $base;

// Send the request.
		$xml_string = $this->sendRequest($path);

return $xml_string->osm;
	}

/**
	 * Method to upload a diff to a changeset
	 *
	 * @param   string   $xml  Diff data to upload
	 * @param   integer  $id   Identifier of the changeset
	 *
	 * @return  array  The XML response of result
	 *
	 * @since   3.2.0
	 */
	public function diffUploadChangeset($xml, $id)
	{
		$token = $this->oauth->getToken();

// Set parameters.
		$parameters = array(
			'oauth_token' => $token['key'],
		);

// Set the API base
		$base = 'changeset/' . $id . '/upload';

// Build the request path.
		$path = $this->getOption('api.url') . $base;

$header['Content-Type'] = 'text/xml';

// Send the request.
		$response = $this->oauth->oauthRequest($path, 'POST', $parameters, $xml, $header);

$xml_string = simplexml_load_string($response->body);

return $xml_string->diffResult;
	}
}