competitionlib/enums/
participation_type.rs

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
use serde::Deserialize;
use serde::Serialize;
use std::fmt;
use std::fmt::Formatter;
use std::str;
#[cfg(not(feature = "wasm"))]
use {
    diesel::types::Varchar,
    diesel::backend::Backend,
    diesel::deserialize::FromSql,
    diesel::pg::Pg,
    diesel::serialize::{IsNull, Output, ToSql},
    diesel::sql_types::VarChar,
    diesel::{deserialize, not_none, serialize},
    diesel::{AsExpression, FromSqlRow},
    std::io::Write,
};


#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
#[cfg_attr(
not(feature = "wasm"),
derive(AsExpression, FromSqlRow),
sql_type = "Varchar")]

pub enum ParticipationType {
    Individual,
    InTeams,
    Either,
}


impl fmt::Display for ParticipationType {
    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}


#[cfg(not(feature = "wasm"))]
impl ToSql<VarChar, Pg> for ParticipationType {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            ParticipationType::Individual => out.write_all(b"Individual")?,
            ParticipationType::InTeams => out.write_all(b"InTeams")?,
            ParticipationType::Either => out.write_all(b"Either")?,
        }
        Ok(IsNull::No)
    }
}

#[cfg(not(feature = "wasm"))]
impl FromSql<VarChar, Pg> for ParticipationType {
    fn from_sql (bytes: Option<&<Pg as Backend> ::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"Individual" => Ok(ParticipationType::Individual),
            b"InTeams" => Ok(ParticipationType::InTeams),
            b"Either" => Ok(ParticipationType::Either),
            _ => Err("Unrecognized enum variant".into())
        }
    }

}