Magento external Api Module - php

Question

Good afternoon, I am making a module for Magento, I need help to connect it to an external API, essentially the channeladvisor API, and make some requests to this API, here my Module Code... I need to synchronize my inventory in channel advisor in my store made in magento
Config XML
<?xml version="1.0"?>
<!--
/**
* Copyright © 2015 Magento. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_ImportExport:etc/import.xsd">
<entity name="CA_Import" label="Customer Group" model="Ibnab\Tutie\Model\Import\CustomerGroup" behaviorModel="Magento\ImportExport\Model\Source\Import\Behavior\Basic" />
</config>
Itegration XML
<integration name="TestIntegration">
<resources>
<!-- To grant permission to Magento_Log::online, its parent Magento_Customer::customer needs to be declared as well-->
<resource name="Magento_Customer::customer" />
<resource name="Magento_Log::online" />
<!-- To grant permission to Magento_Sales::reorder, all its parent resources need to be declared-->
<resource name="Magento_Sales::sales" />
<resource name="Magento_Sales::sales_operation" />
<resource name="Magento_Sales::sales_order" />
<resource name="Magento_Sales::actions" />
<resource name="Magento_Sales::reorder" />
</resources>
</integration>
i wanna implement this php consult in mi module:
PHP Code:
<?php
//Initialize test variables
$sku='zz-cf002-e';
$title='Game Set';
$subtitle='';
$shortdescription='Some Descriptive Text';
$description='More Descriptive Text';
$weight=1.1;
$total=14;
$cost=99;
$retailprice=99;
$startingprice=99;
$takeItprice=99;
$secondchanceofferprice=99;
$storeprice=99;
$classname='mahjong';
$attname1='Bullet_List';
$attvalue1='A list of bullet points';
$attname2='SHIPPING_BESTRATE';
$attvalue2='11.77';
$attname3='SHIPPING_BESTRATESERVICE';
$attvalue3='UPS Ground';
$image1='ZZ-CF002-E_a.jpg';
$image2='ZZ-CF002-E_b.jpg';
$image3='ZZ-CF002-E_c.jpg';
$image4='ZZ-CF002-E_d.jpg';
$usa_48_ups_ground=10;
$usa_48_ups_ground_2=7;
$usa_48_ups_2day=30;
$usa_48_ups_2day_2=15;
//Create the XML set
require_once('nusoap.php');
$client = new soapclient_xxx('https://api.channeladvisor.com/
ChannelAdvisorAPI/v1/inventoryService.asmx?WSDL', true );
$err = $client->getError();
if ($err)
{
echo 'Constructor error' . $err . '';
}
$developerKey = 'XXX';
$password = 'XXX';
$headers = '<APICredentials xmlns="http://api.channeladvisor.com/
webservices/">
<DeveloperKey>'.$developerKey.'</DeveloperKey>
<Password>'.$password.'</Password>
</APICredentials> ';
$arrData = array('accountID'=>'XXX',
'item'=>array(
'Sku'=>$sku,
'Title'=>$title,
'Subtitle'=>$subtitle,
'ShortDescription'=>$shortdescription,
'Description'=>$description,
'Weight'=>$weight,
'QuantityInfo'=>array(
'UpdateType'=>'Absolute', 'Total'=>$total),
'PriceInfo'=>array(
'Cost'=>number_format($cost, 2),
'RetailPrice'=>number_format($retailprice, 2),
'StartingPrice'=>number_format($startingprice, 2),
'ReservePrice'=>0,
'TakeItPrice'=>number_format($takeItprice, 2),
'SecondChanceOfferPrice'=>number_format($secondchanceofferprice, 2),
'StorePrice'=>number_format($storeprice, 2)),
'ClassificationInfo'=>array(
'Name'=>$classname, 'AttributeList'=>array(
'ClassificationAttributeInfo___1'=>array(
'Name'=>$attname1, 'Value'=>$attvalue1),
'ClassificationAttributeInfo___2'=>array(
'Name'=>$attname2, 'Value'=>$attvalue2),
'ClassificationAttributeInfo___3'=>array(
'Name'=>$attname3, 'Value'=>$attvalue3))),
'ImageList'=>array(
'ImageInfoSubmit___1'=>array(
'PlacementName'=>'ITEMIMAGEURL1',
'FilenameOrUrl'=>$image1),
'ImageInfoSubmit___2'=>array(
'PlacementName'=>'ITEMIMAGEURL2',
'FilenameOrUrl'=>$image2),
'ImageInfoSubmit___3'=>array(
'PlacementName'=>'ITEMIMAGEURL3',
'FilenameOrUrl'=>$image3),
'ImageInfoSubmit___4'=>array(
'PlacementName'=>'ITEMIMAGEURL4',
'FilenameOrUrl'=>$image4)),
'ShippingInfo'=>array(
'DistributionCenterCode'=>'Alhambra', 'ShippingRateList' =>array(
'ShippingRateInfo___1'=>array(
'DestinationZoneName'=>'USA48',
'CarrierCode'=>'* UPS',
'ClassCode'=>'GROUND',
'FirstItemRate'=>$usa_48_ups_ground,
'AdditionalItemRate'=>$usa_48_ups_ground_2,
'FirstItemHandlingRate'=>0,
'AdditionalItemHandlingRate'=>0,
'FreeShippingIfBuyItNow'=>'false',
'FirstItemRateAttribute'=>'Price',
'AdditionalItemRateAttribute'=>'Price'),
'ShippingRateInfo___2'=>array(
'DestinationZoneName'=>'USA48',
'CarrierCode'=>'UPS',
'ClassCode'=>'2DAY',
'FirstItemRate'=>$usa_48_ups_2day,
'AdditionalItemRate'=>$usa_48_ups_2day_2,
'FirstItemHandlingRate'=>0,
'AdditionalItemHandlingRate'=>0,
'FreeShippingIfBuyItNow'=>'false',
'FirstItemRateAttribute'=>'Price',
'AdditionalItemRateAttribute'=>'Price'))),
));
//fix repeating fields prior to send (eliminate ___1, ___2, etc.)
function array2xml($arrData, $level) {
$xml = '';
foreach( $arrData as $key => $value ) {
$spacer = '';
for ($i = 0; $i < $level; $i++) { $spacer .= "\t"; }
if ( is_array( $value ) ) {
if (preg_match("/^(.+)___\d+$/", $key, $m)) {
$xml .= $spacer . "<" . $m[1] . ">\n" . array2xml($value, $level
+1) . $spacer . "</" . $m[1] . ">\n";
} else {
$xml .= $spacer . "<" . $key . ">\n" . array2xml($value, $level
+1) . $spacer . "</" . $key . ">\n";
}
} else {
$xml .= $spacer . "<" . $key . ">" . $value . "</" . $key . ">\n";
}
}
return $xml;
}
//apply the function
$cleanedxml = '<SynchInventoryItem xmlns="http://
api.channeladvisor.com/webservices/">' . "\n" .
array2xml($arrData, 0) .
'</SynchInventoryItem>' . "\n";
// Call the SOAP method and send
$result = $client->call('SynchInventoryItem', $cleanedxml, false,
false, $headers);
//Print out the results
if ($client->fault)
{
echo 'Fault';
print_r($result);
echo '';
}
else
{
$err = $client->getError();
if ($err)
{
echo 'Error' . $err . '';
}
else
{
echo 'Result';
print_r($result);
echo '';
}
}
echo "<hr>";
echo '<h2>Request</h2>';
echo '<pre>' . htmlspecialchars($client->request, ENT_QUOTES) . '</
pre>';
echo '<h2>Response</h2>';
echo '<pre>' . htmlspecialchars($client->response, ENT_QUOTES) . '</
pre>';
?>