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
|
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
175
176
177
178
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
use crate::{
Arc,
Mutex,
};
use std::{
borrow::Cow,
collections::HashMap,
fmt,
};
use serde::{
Deserialize,
Serialize,
};
use stacked_errors::{
bail,
Result,
StackableErr,
};
use tgbot::{
api::Client,
types::{
Bot,
ChatPeerId,
GetBot,
InlineKeyboardButton,
InlineKeyboardMarkup,
Message,
ParseMode,
SendMessage,
},
};
const CB_VERSION: u8 = 0;
#[derive(Serialize, Deserialize, Debug)]
enum Callback {
// List all feeds (version, name to show)
List(u8, String),
pub enum Callback {
// List all feeds (version, name to show, page number)
List(u8, String, u8),
}
impl Callback {
pub fn list (text: &str, page: u8) -> Callback {
Callback::List(CB_VERSION, text.to_owned(), page)
}
fn version (&self) -> u8 {
match self {
Callback::List(version, .. ) => *version,
}
}
}
impl fmt::Display for Callback {
fn fmt (&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(&toml::to_string(self).map_err(|_| fmt::Error)?)
}
}
/// Produce new Keyboard Markup from current Callback
pub async fn get_kb (cb: &Callback, feeds: Arc<Mutex<HashMap<i32, String>>>) -> Result<InlineKeyboardMarkup> {
if cb.version() != CB_VERSION {
bail!("Wrong callback version.");
}
let mark = match cb {
Callback::List(_, name, page) => {
let mut kb = vec![];
let feeds = feeds.lock_arc().await;
let long = feeds.len() > 6;
let (start, end) = if long {
(page * 5, 5 + page * 5)
} else {
(0, 6)
};
let mut i = 0;
for (id, name) in feeds.iter() {
if i < start { continue }
if i > end { break }
i += 1;
kb.push(vec![
InlineKeyboardButton::for_callback_data(
format!("{}. {}", id, name),
Callback::list("xxx", *page).to_string()), // XXX edit
])
}
if name.is_empty() {
// no name - reverting to pages, any unknown number means last page
kb.push(vec![
InlineKeyboardButton::for_callback_data("1",
Callback::list("xxx", 0).to_string()),
])
} else {
kb.push(vec![
InlineKeyboardButton::for_callback_data("1",
Callback::list("xxx", 0).to_string()),
])
}
if long {
kb.push(vec![
InlineKeyboardButton::for_callback_data("<<",
Callback::list("", if *page == 0 { *page } else { page - 1 } ).to_string()),
InlineKeyboardButton::for_callback_data(">>",
Callback::list("", page + 1).to_string()),
]);
}
InlineKeyboardMarkup::from(kb)
},
};
Ok(mark)
}
pub enum MyMessage <'a> {
Html { text: Cow<'a, str> },
HtmlTo { text: Cow<'a, str>, to: ChatPeerId },
HtmlToKb { text: Cow<'a, str>, to: ChatPeerId, kb: InlineKeyboardMarkup },
Text { text: Cow<'a, str> },
TextTo { text: Cow<'a, str>, to: ChatPeerId },
}
impl MyMessage <'_> {
pub fn html <'a, S> (text: S) -> MyMessage<'a>
where S: Into<Cow<'a, str>> {
let text = text.into();
MyMessage::Html { text }
}
fn get_kb (cb: &Callback) -> Result<InlineKeyboardMarkup> {
let mark = InlineKeyboardMarkup::from(vec![vec![
InlineKeyboardButton::for_callback_data("1",
toml::to_string(&Callback::List(0,"xxx".to_owned())).stack()?),
]]);
Ok(mark)
|