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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
use crate::{
client::Client,
error::Error as HttpError,
request::{validate, Pending, Request},
routing::Route,
};
use hyper::body::Bytes;
use serde::de::DeserializeSeed;
use std::{
error::Error,
fmt::{Display, Formatter, Result as FmtResult},
future::Future,
pin::Pin,
task::{Context, Poll},
};
use twilight_model::{
guild::member::{Member, MemberDeserializer},
id::{GuildId, UserId},
};
#[cfg(not(feature = "simd-json"))]
use serde_json::Value;
#[cfg(feature = "simd-json")]
use simd_json::value::OwnedValue as Value;
#[derive(Debug)]
pub struct GetGuildMembersError {
kind: GetGuildMembersErrorType,
}
impl GetGuildMembersError {
#[must_use = "retrieving the type has no effect if left unused"]
pub const fn kind(&self) -> &GetGuildMembersErrorType {
&self.kind
}
#[allow(clippy::unused_self)]
#[must_use = "consuming the error and retrieving the source has no effect if left unused"]
pub fn into_source(self) -> Option<Box<dyn Error + Send + Sync>> {
None
}
#[must_use = "consuming the error into its parts has no effect if left unused"]
pub fn into_parts(
self,
) -> (
GetGuildMembersErrorType,
Option<Box<dyn Error + Send + Sync>>,
) {
(self.kind, None)
}
}
impl Display for GetGuildMembersError {
fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
match &self.kind {
GetGuildMembersErrorType::LimitInvalid { .. } => f.write_str("the limit is invalid"),
}
}
}
impl Error for GetGuildMembersError {}
#[derive(Debug)]
#[non_exhaustive]
pub enum GetGuildMembersErrorType {
LimitInvalid {
limit: u64,
},
}
#[derive(Default)]
struct GetGuildMembersFields {
after: Option<UserId>,
limit: Option<u64>,
presences: Option<bool>,
}
pub struct GetGuildMembers<'a> {
fields: GetGuildMembersFields,
fut: Option<Pending<'a, Bytes>>,
guild_id: GuildId,
http: &'a Client,
}
impl<'a> GetGuildMembers<'a> {
pub(crate) fn new(http: &'a Client, guild_id: GuildId) -> Self {
Self {
fields: GetGuildMembersFields::default(),
fut: None,
guild_id,
http,
}
}
pub fn after(mut self, after: UserId) -> Self {
self.fields.after.replace(after);
self
}
pub fn limit(mut self, limit: u64) -> Result<Self, GetGuildMembersError> {
if !validate::get_guild_members_limit(limit) {
return Err(GetGuildMembersError {
kind: GetGuildMembersErrorType::LimitInvalid { limit },
});
}
self.fields.limit.replace(limit);
Ok(self)
}
pub fn presences(mut self, presences: bool) -> Self {
self.fields.presences.replace(presences);
self
}
fn start(&mut self) -> Result<(), HttpError> {
let request = Request::from_route(Route::GetGuildMembers {
after: self.fields.after.map(|x| x.0),
guild_id: self.guild_id.0,
limit: self.fields.limit,
presences: self.fields.presences,
});
self.fut.replace(Box::pin(self.http.request_bytes(request)));
Ok(())
}
}
impl Future for GetGuildMembers<'_> {
type Output = Result<Vec<Member>, HttpError>;
fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
if self.fut.is_none() {
self.as_mut().start()?;
}
let fut = self.fut.as_mut().expect("future is created");
match fut.as_mut().poll(cx) {
Poll::Ready(res) => {
let bytes = res?;
let mut members = Vec::new();
let mut bytes = bytes.as_ref().to_vec();
let values =
crate::json::from_slice::<Vec<Value>>(&mut bytes).map_err(HttpError::json)?;
for value in values {
let member_deserializer = MemberDeserializer::new(self.guild_id);
members.push(
member_deserializer
.deserialize(value)
.map_err(HttpError::json)?,
);
}
Poll::Ready(Ok(members))
}
Poll::Pending => Poll::Pending,
}
}
}