MRWebRequest.h

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#pragma once
#include "MRMesh/MRMeshFwd.h"
#if defined( __EMSCRIPTEN__ ) || !defined( MRMESH_NO_CPR )
#include "MRWebResponseCallback.h"
#include "MRMesh/MRExpected.h"
#include <unordered_map>
#include <string>
#include <functional>
#include <filesystem>
 
namespace MR
{

MRVIEWER_API Expected<Json::Value> parseResponse( const Json::Value& response );

class MRVIEWER_CLASS WebRequest
{
public:
    WebRequest() = default;
    MRVIEWER_API explicit WebRequest( std::string url );
 
    enum class Method 
    {
        Get,
        Post,
        Patch,
        Put,
        Delete,
    };

    MRVIEWER_API void clear();

    MRVIEWER_API void setMethod( Method method );

    MRVIEWER_API void setTimeout( int timeoutMs );

    MRVIEWER_API void setParameters( std::unordered_map<std::string, std::string> parameters );

    MRVIEWER_API void setHeaders( std::unordered_map<std::string, std::string> headers );

    MRVIEWER_API void setInputPath( std::filesystem::path inputPath );

    MRVIEWER_API void setUploadProgressCallback( ProgressCallback callback );

    struct FormData
    {
        std::string path;
        std::string contentType;
        std::string name;
        std::string fileName;
    };
    MRVIEWER_API void setFormData( std::vector<FormData> formData );

    MRVIEWER_API void setBody( std::string body );

    MRVIEWER_API void setOutputPath( std::filesystem::path outputPath );

    MRVIEWER_API void setDownloadProgressCallback( ProgressCallback callback );

    MRVIEWER_API void setAsync( bool async );

    MRVIEWER_API void setLogName( std::string logName );
 
    using ResponseCallback = MR::WebResponseCallback;

    MRVIEWER_API void send( std::string url, std::string logName, ResponseCallback callback, bool async = true );
    MRVIEWER_API void send( ResponseCallback callback );

    MRVIEWER_API static void waitRemainingAsync();
 
private:
    Method method_{ Method::Get };
    std::string url_;
    std::string logName_;
    bool async_{ true };
    int timeout_{ 10000 };
    std::unordered_map<std::string, std::string> params_;
    std::unordered_map<std::string, std::string> headers_;
    std::filesystem::path inputPath_;
    std::vector<FormData> formData_;
    std::string body_;
    std::filesystem::path outputPath_;
    ProgressCallback uploadCallback_;
    ProgressCallback downloadCallback_;
};
 
}
#endif