slack_example/slack_example.rs
1//
2// Copyright 2014-2016 the slack-rs authors.
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16//
17// This is a simple example of using slack-rs.
18// You can run it with `cargo run --example slack_example -- <api_key>`
19//
20// NOTE: Only classic app bots can connect to rtm https://api.slack.com/rtm#classic
21//
22// NOTE: This will post in the #general channel of the account you connect
23// to.
24//
25
26use slack;
27use slack::{Event, RtmClient};
28
29struct MyHandler;
30
31#[allow(unused_variables)]
32impl slack::EventHandler for MyHandler {
33 fn on_event(&mut self, cli: &RtmClient, event: Event) {
34 println!("on_event(event: {:?})", event);
35 if let Event::Hello = event {
36 // find the general channel id from the `StartResponse`
37 let general_channel_id = cli
38 .start_response()
39 .channels
40 .as_ref()
41 .and_then(|channels| {
42 channels.iter().find(|chan| match chan.name {
43 None => false,
44 Some(ref name) => name == "general",
45 })
46 })
47 .and_then(|chan| chan.id.as_ref())
48 .expect("general channel not found");
49 let _ = cli
50 .sender()
51 .send_message(&general_channel_id, "Hello world! (rtm)");
52 // Send a message over the real time api websocket
53 }
54 }
55
56 fn on_close(&mut self, cli: &RtmClient) {
57 println!("on_close");
58 }
59
60 fn on_connect(&mut self, cli: &RtmClient) {
61 println!("on_connect");
62 }
63}
64
65fn main() {
66 let args: Vec<String> = std::env::args().collect();
67 let api_key = match args.len() {
68 0 | 1 => {
69 panic!("No api-key in args! Usage: cargo run --example slack_example -- <api-key>")
70 }
71 x => args[x - 1].clone(),
72 };
73 let mut handler = MyHandler;
74 let r = RtmClient::login_and_run(&api_key, &mut handler);
75 match r {
76 Ok(_) => {}
77 Err(err) => panic!("Error: {}", err),
78 }
79}