projectlib/enums/
interaction_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
use serde::Deserialize;
use serde::Serialize;
use std::fmt;
use std::io::Write;
use std::str;
use strum_macros::EnumString;

#[cfg(feature = "diesel")]
use {
    diesel::backend::Backend,
    diesel::deserialize::FromSql,
    diesel::pg::Pg,
    diesel::serialize::{IsNull, Output, ToSql},
    diesel::sql_types::Varchar,
    diesel::{deserialize, not_none, serialize},
};

#[derive(Debug, PartialEq, Clone, Serialize, Deserialize, EnumString)]
#[cfg_attr(feature = "diesel", derive(AsExpression, FromSqlRow))]
#[cfg_attr(feature = "diesel", sql_type = "Varchar")]
pub enum InteractionType {
    Personal,
    Remote,
    Mixed,
}

#[cfg(feature = "diesel")]
impl ToSql<Varchar, Pg> for InteractionType {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            InteractionType::Personal => out.write_all(b"Personal")?,
            InteractionType::Remote => out.write_all(b"Remote")?,
            InteractionType::Mixed => out.write_all(b"Mixed")?,
        }
        Ok(IsNull::No)
    }
}

#[cfg(feature = "diesel")]
impl FromSql<Varchar, Pg> for InteractionType {
    fn from_sql(bytes: Option<&<Pg as Backend>::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"Personal" => Ok(InteractionType::Personal),
            b"Remote" => Ok(InteractionType::Remote),
            b"Mixed" => Ok(InteractionType::Mixed),

            _ => Err(format!(
                "Unrecognized enum variant \"{}\"",
                str::from_utf8(bytes.unwrap()).unwrap()
            )
            .into()),
        }
    }
}

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