1 //
2 // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 #pragma once
8 
9 #include "td/telegram/files/FileId.h"
10 #include "td/telegram/Photo.h"
11 #include "td/telegram/SecretInputMedia.h"
12 #include "td/telegram/td_api.h"
13 #include "td/telegram/telegram_api.h"
14 
15 #include "td/utils/buffer.h"
16 #include "td/utils/common.h"
17 
18 #include <unordered_map>
19 
20 namespace td {
21 
22 class Td;
23 
24 class AudiosManager {
25  public:
26   explicit AudiosManager(Td *td);
27 
28   int32 get_audio_duration(FileId file_id) const;
29 
30   tl_object_ptr<td_api::audio> get_audio_object(FileId file_id) const;
31 
32   void create_audio(FileId file_id, string minithumbnail, PhotoSize thumbnail, string file_name, string mime_type,
33                     int32 duration, string title, string performer, bool replace);
34 
35   tl_object_ptr<telegram_api::InputMedia> get_input_media(FileId file_id,
36                                                           tl_object_ptr<telegram_api::InputFile> input_file,
37                                                           tl_object_ptr<telegram_api::InputFile> input_thumbnail) const;
38 
39   SecretInputMedia get_secret_input_media(FileId audio_file_id,
40                                           tl_object_ptr<telegram_api::InputEncryptedFile> input_file,
41                                           const string &caption, BufferSlice thumbnail) const;
42 
43   FileId get_audio_thumbnail_file_id(FileId file_id) const;
44 
45   void delete_audio_thumbnail(FileId file_id);
46 
47   FileId dup_audio(FileId new_id, FileId old_id);
48 
49   void merge_audios(FileId new_id, FileId old_id, bool can_delete_old);
50 
51   template <class StorerT>
52   void store_audio(FileId file_id, StorerT &storer) const;
53 
54   template <class ParserT>
55   FileId parse_audio(ParserT &parser);
56 
57   string get_audio_search_text(FileId file_id) const;
58 
59  private:
60   class Audio {
61    public:
62     string file_name;
63     string mime_type;
64     int32 duration = 0;
65     string title;
66     string performer;
67     string minithumbnail;
68     PhotoSize thumbnail;
69 
70     FileId file_id;
71   };
72 
73   const Audio *get_audio(FileId file_id) const;
74 
75   FileId on_get_audio(unique_ptr<Audio> new_audio, bool replace);
76 
77   Td *td_;
78   std::unordered_map<FileId, unique_ptr<Audio>, FileIdHash> audios_;
79 };
80 
81 }  // namespace td
82