ApiClient.cpp

/**
 * ProcessMaker API
 * This ProcessMaker Core API provide access to the new generation engine with BPMN 2.0 support. The current Alpha 1.0 version supports  the part of BPM system functionality like process import, process execution, task assignment
 *
 * OpenAPI spec version: 1.0.0
 * Contact: alpha-program@processmaker.com
 *
 * NOTE: This class is auto generated by the swagger code generator program.
 * https://github.com/swagger-api/swagger-codegen.git
 * Do not edit the class manually.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ApiClient.h"
#include "MultipartFormData.h"
#include "ModelBase.h"

namespace io {
namespace swagger {
namespace client {
namespace api {

using namespace io::swagger::client::model;

ApiClient::ApiClient(std::shared_ptr<ApiConfiguration> configuration )
    : m_Configuration(configuration)
{
}
ApiClient::~ApiClient()
{
}

std::shared_ptr<ApiConfiguration> ApiClient::getConfiguration() const
{
    return m_Configuration;
}
void ApiClient::setConfiguration(std::shared_ptr<ApiConfiguration> configuration)
{
    m_Configuration = configuration;
}


utility::string_t ApiClient::parameterToString(utility::string_t value)
{
    return value;
}
utility::string_t ApiClient::parameterToString(int64_t value)
{
    return std::to_wstring(value);
}
utility::string_t ApiClient::parameterToString(int32_t value)
{
    return std::to_wstring(value);
}

pplx::task<web::http::http_response> ApiClient::callApi( 
    const utility::string_t& path, 
    const utility::string_t& method, 
    const std::map<utility::string_t, utility::string_t>& queryParams, 
    const std::shared_ptr<IHttpBody> postBody,
    const std::map<utility::string_t, utility::string_t>& headerParams, 
    const std::map<utility::string_t, utility::string_t>& formParams, 
    const std::map<utility::string_t, std::shared_ptr<HttpContent>>& fileParams,
    const utility::string_t& contentType
) const
{
	if (postBody != nullptr && formParams.size() != 0)
	{
		throw ApiException(400, U("Cannot have body and form params"));
	}

	if (postBody != nullptr && fileParams.size() != 0)
	{
		throw ApiException(400, U("Cannot have body and file params"));
	}

	if (fileParams.size() > 0 && contentType != U("multipart/form-data"))
	{
		throw ApiException(400, U("Operations with file parameters must be called with multipart/form-data"));
	}

	web::http::client::http_client client(m_Configuration->getBaseUrl(), m_Configuration->getHttpConfig());

	web::http::http_request request;
	for ( auto& kvp : headerParams )
	{
		request.headers().add(kvp.first, kvp.second);
	}

	if (fileParams.size() > 0)
	{
		MultipartFormData uploadData;
		for (auto& kvp : formParams)
		{
			uploadData.add(ModelBase::toHttpContent(kvp.first, kvp.second));
		}
		for (auto& kvp : fileParams)
		{
			uploadData.add(ModelBase::toHttpContent(kvp.first, kvp.second));
		}
		std::stringstream data;
		postBody->writeTo(data);
		auto bodyString = data.str();
		auto length = bodyString.size();
		request.set_body(concurrency::streams::bytestream::open_istream(std::move(bodyString)), length, contentType);
	}
	else
	{
		if (postBody != nullptr)
		{
			std::stringstream data;
			postBody->writeTo(data);
			auto bodyString = data.str();
			auto length = bodyString.size();
			request.set_body(concurrency::streams::bytestream::open_istream(std::move(bodyString)), length, contentType);
		}
		else
		{
			web::http::uri_builder formData;
			for (auto& kvp : formParams)
			{
				formData.append_query(kvp.first, kvp.second);
			}
			request.set_body(formData.query(), U("application/x-www-form-urlencoded"));
		}
	}

	web::http::uri_builder builder(path);
	for (auto& kvp : queryParams)
	{
		builder.append_query(kvp.first, kvp.second);
	}
	request.set_request_uri(builder.to_uri());
	request.set_method(method);
	if ( !request.headers().has( web::http::header_names::user_agent ) )
	{
		request.headers().add( web::http::header_names::user_agent, m_Configuration->getUserAgent() );
	}	

	return client.request(request);
}

}
}
}
}