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<?php
class Client {
function __construct($host, $request_headers= [], $version=null){
/*
@param host: Base URL for the api. (e.g. https://api.sendgrid.com)
@type host: string
@param request_headers: A dictionary of the headers you want applied on all calls
@type request_headers: dictionary
@param version: The version number of the API.
@type integer:
*/
$this->host = $host;
$this->request_headers = $request_headers;
$this->version = $version;
# _count and _url_path keep track of the dynamically built url
$this->_count = 0;
$this->_methods = ['delete', 'get', 'patch', 'post', 'put'];
$this->_url_path = {};
$this->_status_code = null;
$this->_response_body = null;
$this->_response_headers = null;
$this->_response = null;
}
/*
Resets the URL builder, so you can make a fresh new dynamic call.
*/
private function _reset(self) {
$this->_count = 0
$this->_url_path = {}
$this->_response = None
}
/**
* Takes the method chained call and adds to the url path.
* @param name: The name of the method call
* @type name: string
*/
private function _add_to_url_path($name) {
$this->_url_path[$this->_count] = $name;
$this->_count += 1;
}
/**
* Subclass this function for your own needs.
* Or just pass the version as part of the URL
* (e.g. client._('/v3'))
* @param url: URI portion of the full URL being requested
* @type url: string
* @return: string
*/
private function _build_versioned_url($url) {
return sprintf("%s/v%d%s", $this->host, $this->_get_version(), $url);
}
/**
* Build the final URL to be passed
* @param query_params: A dictionary of all the query parameters
* @type query_params: dictionary
* @return:
*/
private function _build_url($query_params = null) {
$url = '';
$count = 0;
while ($count < count($this->_url_path)) {
$url += sprintf("/%s", $this->_url_path[$count]);
$count+=1;
}
if (isset($query_params)) {
$url_values = urlencode(asort($query_params));
$url = sprintf('%s?%s', $url, $url_values);
}
if (null != $this->_get_version()) {
$url = $this->_build_versioned_url($url);
} else {
$url = $this->host + url;
}
return $url;
}
/**
* Build the API call's response
* :param response: The response object from the API call from urllib
* :type response: urllib.Request object
*/
private function _set_response($response) {
// @todo fix this to handle the response from guzzle
$this->_status_code = "";
$this->_response_body = "";
$this->_response_headers = "";
}
/**
* Build the headers for the request
* @param request_headers: headers to set for the API call
* @type response: dict
* @return:
*/
private function _set_headers($request_headers) {
$this->request_headers = array_merge($this->request_headers, $request_headers);
}
/**
* Make the API call and return the response. This is separated into it's own function, so we can mock it easily for testing.
* @param opener:
* @type opener:
* @param request: url payload to request
* @type request: urllib.Request object
* @return:
*/
private function _make_request($request) {
//@todo make the call using guzzle, and fix the return value
return null;
}
/**
* Add variable values to the URL
* (e.g. /your/api/{variable_value}/call)
*/
public function _($value){
$this->_add_to_url_path($value);
return $this;
}
/**
* Dynamically add method calls to the url, then call a method.
* (e.g. client.name.name.method())
*/
public function __call($name, $args){
// @todo handle args
if (in_array($name, $this->_methods)) {
$this->_make_request();
return $this;
}
$this->_cache[$this->_count] = $name;
$this->_count = $this->_count + 1;
return $this;
}
/**
* @return: integer, status code of API call
*/
public function status_code() {
return $this->_status_code;
}
/**
* @return: response from the API
*/
public function response_body() {
return $this->_response_body;
}
/**
* @return: dict of response headers
*/
public function response_headers() {
return $this->_response_headers;
}
/**
* Add the version to the path
*/
public function version($version) {
$this->_version = $version;
return $this;
}
private function _get_version() {
return $this->_version;
}
}
?>
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