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

use std::convert::Into;
use std::borrow::Cow;

use url::Url as StdUrl;

use lastfm_type::{LastfmType, Request, RequestParams};
use super::common::{Url, Image, str_to_val};

// ----------------------------------------------------------------

#[derive(Debug)]
pub enum Params<'pr> {
    GetArtists {
        user: &'pr str,
        limit: Option<u32>,
        page: Option<u32>,
    },
}

impl<'pr> RequestParams for Params<'pr> {
    fn method(&self) -> &str {
        match *self {
            Params::GetArtists { .. } => "library.getartists"
        }
    }

    fn needs_signature(&self) -> bool {
        false
    }

    fn needs_session_key(&self) -> bool {
        false
    }

    fn append_to(&self, url: &mut StdUrl) {
        let mut query = url.query_pairs_mut();
        
        match *self {
            Params::GetArtists { user, limit, page } => {
                params!(query, [user: user], [limit: cv!(limit), page: cv!(page)]);
            }
        }
    }
}

// ----------------------------------------------------------------

#[derive(Deserialize, Debug)]
pub struct Artist<'dt> {
    pub name: Cow<'dt, str>,
    pub mbid: Option<&'dt str>,
    url: Url<'dt>,
    #[serde(deserialize_with = "str_to_val")]
    pub playcount: u32,
    #[serde(deserialize_with = "str_to_val")]
    pub tagcount: u32,
    #[serde(deserialize_with = "str_to_val")]
    pub streamable: u32,
    pub image: Vec<Image<'dt>>,
}

#[derive(Deserialize, Debug)]
pub struct GetArtists<'dt> {
    #[serde(borrow)]
    pub artist: Option<Vec<Artist<'dt>>>,
}

lastfm_t!(
    artists,
    GetArtists,
    _Artists,
    Params,
    GetArtists,
    [user: &'rq str, limit: Option<u32>, page: Option<u32>]
);