src/lastfm_service.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2016 by Andrzej Rybczak                            *
   3  *   electricityispower@gmail.com                                          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
  19  ***************************************************************************/
  20
  21 #ifndef NCMPCPP_LASTFM_SERVICE_H
  22 #define NCMPCPP_LASTFM_SERVICE_H
  23
  24 #include "config.h"
  25
  26 #include <map>
  27 #include <string>
  28
  29 #include "curses/scrollpad.h"
  30
  31 namespace LastFm {
  32
  33 struct Service
  34 {
  35         typedef std::map<std::string, std::string> Arguments;
  36         typedef std::pair<bool, std::string> Result;
  37
  38         Service(Arguments args) : m_arguments(args) { }
  39
  40         virtual const char *name() = 0;
  41         virtual Result fetch();
  42
  43         virtual void beautifyOutput(NC::Scrollpad &w) = 0;
  44
  45 protected:
  46         virtual bool argumentsOk() = 0;
  47         virtual bool actionFailed(const std::string &data);
  48
  49         virtual Result processData(const std::string &data) = 0;
  50
  51         virtual const char *methodName() = 0;
  52
  53         Arguments m_arguments;
  54 };
  55
  56 struct ArtistInfo : public Service
  57 {
  58         ArtistInfo(std::string artist, std::string lang)
  59         : Service({{"artist", artist}, {"lang", lang}}) { }
  60
  61         virtual const char *name() { return "Artist info"; }
  62
  63         virtual void beautifyOutput(NC::Scrollpad &w);
  64
  65         bool operator==(const ArtistInfo &ai) const { return m_arguments == ai.m_arguments; }
  66
  67 protected:
  68         virtual bool argumentsOk();
  69         virtual Result processData(const std::string &data);
  70
  71         virtual const char *methodName() { return "artist.getinfo"; }
  72 };
  73
  74 }
  75
  76 #endif // NCMPCPP_LASTFM_SERVICE_H