wx-sdk 0.0.9

A Wechat SDK written in Rust
Documentation 
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

use roxmltree::Node;

use crate::SdkResult;

use super::{
    xmlutil::{get_number_from_root, get_text_from_root},
    ReceivedMessageParser,
};

pub struct LinkMessage {
    pub msg_id: u64,
    pub title: String,
    pub description: String,
    pub url: String,
}

impl ReceivedMessageParser for LinkMessage {
    type ReceivedMessage = LinkMessage;

    fn from_xml(node: &Node) -> SdkResult<Self::ReceivedMessage> {
        let msg_id = get_number_from_root::<u64>(node, "MsgId")?;
        let title = get_text_from_root(node, "Title")?;
        let description = get_text_from_root(node, "Description")?;
        let url = get_text_from_root(node, "Url")?;

        Ok(LinkMessage {
            msg_id,
            title: title.to_owned(),
            description: description.to_owned(),
            url: url.to_owned(),
        })
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::SdkResult;
    #[test]
    pub fn parse() -> SdkResult<()> {
        use roxmltree::Document;
        let s = "<xml>
    <ToUserName><![CDATA[toUser]]></ToUserName>
    <FromUserName><![CDATA[fromUser]]></FromUserName>
    <CreateTime>1351776360</CreateTime>
    <MsgType><![CDATA[link]]></MsgType>
    <Title><![CDATA[公众平台官网链接]]></Title>
    <Description><![CDATA[公众平台官网链接]]></Description>
    <Url><![CDATA[url]]></Url>
    <MsgId>1234567890123456</MsgId>
</xml>";
        let node = Document::parse(&s)?;
        let msg = LinkMessage::from_xml(&node.root())?;
        assert_eq!(msg.title, "公众平台官网链接");
        assert_eq!(msg.url, "url");
        assert_eq!(msg.msg_id, 1234567890123456);
        Ok(())
    }
}