1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 2015 Oleg Morozenkov
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef TGBOT_EVENTBROADCASTER_H
#define TGBOT_EVENTBROADCASTER_H
#include <string>
#include <functional>
#include <vector>
#include <map>
#include "tgbot/types/Message.h"
#include "tgbot/types/InlineQuery.h"
#include "tgbot/types/ChosenInlineResult.h"
#include "tgbot/types/CallbackQuery.h"
namespace TgBot {
class EventHandler;
/**
* This class holds all event listeners.
* @ingroup general
*/
class EventBroadcaster {
friend EventHandler;
public:
typedef std::function<void (const Message::Ptr)> MessageListener;
typedef std::function<void (const InlineQuery::Ptr)> InlineQueryListener;
typedef std::function<void (const ChosenInlineResult::Ptr)> ChosenInlineResultListener;
typedef std::function<void (const CallbackQuery::Ptr)> CallbackQueryListener;
/**
* Registers listener which receives all messages which the bot can ever receive.
* @param listener Listener.
*/
inline void onAnyMessage(const MessageListener& listener) {
_onAnyMessageListeners.push_back(listener);
}
/**
* Registers listener which receives all messages with commands (messages with leading '/' char).
* @param commandName Command name which listener can handle.
* @param listener Listener.
*/
inline void onCommand(const std::string& commandName, const MessageListener& listener) {
_onCommandListeners[commandName] = listener;
}
/**
* Registers listener which receives all messages with commands (messages with leading '/' char).
* @param commandsList Commands names which listener can handle.
* @param listener Listener.
*/
inline void onCommand(const std::initializer_list<std::string>& commandsList, const MessageListener& listener) {
for (const auto& command : commandsList)
{
_onCommandListeners[command] = listener;
}
}
/**
* Registers listener which receives all messages with commands (messages with leading '/' char) which haven't been handled by other listeners.
* @param listener Listener.
*/
inline void onUnknownCommand(const MessageListener& listener) {
_onUnknownCommandListeners.push_back(listener);
}
/**
* Registers listener which receives all messages without commands (messages with no leading '/' char)
* @param listener Listener.
*/
inline void onNonCommandMessage(const MessageListener& listener) {
_onNonCommandMessageListeners.push_back(listener);
}
/**
* Registers listener which receives all the inline query.
* @param listener Listener.
*/
inline void onInlineQuery(const InlineQueryListener& listener) {
_onInlineQueryListeners.push_back(listener);
}
/**
* Registers listener which receives all the chosen inline result.
* @param listener Listener.
*/
inline void onChosenInlineResult(const ChosenInlineResultListener& listener){
_onChosenInlineResultListeners.push_back(listener);
}
inline void onCallbackQuery(const CallbackQueryListener& listener){
_onCallbackQueryListeners.push_back(listener);
}
private:
template<typename ListenerType, typename ObjectType>
inline void broadcast(const std::vector<ListenerType>& listeners, const ObjectType object) const {
if (!object)
return;
for (const ListenerType& item : listeners) {
item(object);
}
}
inline void broadcastAnyMessage(const Message::Ptr message) const {
broadcast<MessageListener, Message::Ptr>(_onAnyMessageListeners, message);
}
inline bool broadcastCommand(const std::string command, const Message::Ptr message) const {
std::map<std::string, MessageListener>::const_iterator iter = _onCommandListeners.find(command);
if (iter == _onCommandListeners.end()) {
return false;
}
iter->second(message);
return true;
}
inline void broadcastUnknownCommand(const Message::Ptr message) const {
broadcast<MessageListener, Message::Ptr>(_onUnknownCommandListeners, message);
}
inline void broadcastNonCommandMessage(const Message::Ptr message) const {
broadcast<MessageListener, Message::Ptr>(_onNonCommandMessageListeners, message);
}
inline void broadcastInlineQuery(const InlineQuery::Ptr query) const {
broadcast<InlineQueryListener, InlineQuery::Ptr>(_onInlineQueryListeners, query);
}
inline void broadcastChosenInlineResult(const ChosenInlineResult::Ptr result) const {
broadcast<ChosenInlineResultListener, ChosenInlineResult::Ptr>(_onChosenInlineResultListeners, result);
}
inline void broadcastCallbackQuery(const CallbackQuery::Ptr result) const {
broadcast<CallbackQueryListener, CallbackQuery::Ptr>(_onCallbackQueryListeners, result);
}
std::vector<MessageListener> _onAnyMessageListeners;
std::map<std::string, MessageListener> _onCommandListeners;
std::vector<MessageListener> _onUnknownCommandListeners;
std::vector<MessageListener> _onNonCommandMessageListeners;
std::vector<InlineQueryListener> _onInlineQueryListeners;
std::vector<ChosenInlineResultListener> _onChosenInlineResultListeners;
std::vector<CallbackQueryListener> _onCallbackQueryListeners;
};
}
#endif //TGBOT_EVENTBROADCASTER_H
|
