sfdb_freesound_mootcher.h

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/*
 * Copyright (C) 2008-2015 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2013 Colin Fletcher <colin.m.fletcher@googlemail.com>
 * Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
 * Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
/*sfdb_freesound_mootcher.h****************************************************************************
 
        Adapted for Ardour by Ben Loftis, March 2008
        Updated to new Freesound API by Colin Fletcher, November 2011
 
        Mootcher Online Access to thefreesoundproject website
        http://freesound.iua.upf.edu/
 
        GPL 2005 Jorn Lemon
        mail for questions/remarks: mootcher@twistedlemon.nl
        or go to the freesound website forum
 
*****************************************************************************/
 
#pragma once
 
#include <string>
#include <stdio.h>
#include <cstring>
#include <string>
#include <sstream>
#include <vector>
#include <gtkmm/progressbar.h>
//#include <ctime>
 
#include "sfdb_ui.h"
 
#include "curl/curl.h"
 
//--- struct to store XML file
struct SfdbMemoryStruct {
        char *memory;
        size_t size;
};
 
enum sortMethod {
        sort_none,                      // no sort
        sort_duration_descending,       // Sort by the duration of the sounds, longest sounds first.
        sort_duration_ascending,        // Same as above, but shortest sounds first.
        sort_created_descending,        // Sort by the date of when the sound was added. newest sounds first.
        sort_created_ascending,         // Same as above, but oldest sounds first.
        sort_downloads_descending,      // Sort by the number of downloads, most downloaded sounds first.
        sort_downloads_ascending,       // Same as above, but least downloaded sounds first.
        sort_rating_descending,         // Sort by the average rating given to the sounds, highest rated first.
        sort_rating_ascending           // Same as above, but lowest rated sounds first.
};
 
 
class Mootcher: public sigc::trackable, public PBD::ScopedConnectionList
{
public:
        Mootcher(const std::string &token);
        ~Mootcher();
 
        bool checkAudioFile(std::string originalFileName, std::string ID);
        bool fetchAudioFile(std::string originalFileName, std::string ID, std::string audioURL, SoundFileBrowser *caller, std::string &token);
        std::string searchText(std::string query, int page, std::string filter, enum sortMethod sort);
        std::string searchSimilar(std::string id);
        void* threadFunc();
        SoundFileBrowser *sfb;
        std::string audioFileName;
        std::string ID;
 
        PBD::Signal<void(double, double)> Progress;
        PBD::Signal<void()> Finished;
 
 
private:
        void ensureWorkingDir ();
 
        bool get_oauth_token();
        std::string auth_code_to_oauth_token(const std::string &auth_code);
 
        std::string doRequest(std::string uri, std::string params);
        void setcUrlOptions();
 
        static size_t WriteMemoryCallback (void *ptr, size_t size, size_t nmemb, void *data);
        static int progress_callback (void *clientp, double dltotal, double dlnow, double ultotal, double ulnow);
        std::string sortMethodString (enum sortMethod sort);
        std::string getSoundResourceFile (std::string ID);
 
        CURL *curl;
        char errorBuffer[CURL_ERROR_SIZE]; // storage for cUrl error message
 
        FILE* theFile;
 
        void updateProgress(double dlnow, double dltotal);
        void doneWithMootcher();
        void report_login_error(const std::string &msg);
 
        Gtk::HBox progress_hbox;
        Gtk::ProgressBar progress_bar;
        Gtk::Button cancel_download_btn;
 
        bool cancel_download;
        void cancelDownload() {
                cancel_download = true;
                progress_hbox.hide();
        }
 
        std::string basePath;
        std::string xmlLocation;
        std::string oauth_token;
        struct curl_slist *custom_headers;
};