userlib/enums/
qualification_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
use serde::Deserialize;
use serde::Serialize;
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::types::Varchar,
    diesel::{deserialize, not_none, serialize},
    diesel::{AsExpression, FromSqlRow},
    std::io::Write,
};

#[derive(Debug, PartialEq, Clone, Serialize, Deserialize, EnumString)]
#[cfg_attr(feature = "diesel", derive(AsExpression, FromSqlRow))]
#[cfg_attr(feature = "diesel", sql_type = "Varchar")]
pub enum QualificationType {
    NoNonSchoolQualification,
    CertificateIToIv,
    AdvancedDiplomaOrDiploma,
    BachelorDegreeOrAbove,
}

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

#[cfg(feature = "diesel")]
impl FromSql<Varchar, Pg> for QualificationType {
    fn from_sql(bytes: Option<&<Pg as Backend>::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"NoNonSchoolQualification" => Ok(QualificationType::NoNonSchoolQualification),
            b"CertificateIToIv" => Ok(QualificationType::CertificateIToIv),
            b"AdvancedDiplomaOrDiploma" => Ok(QualificationType::AdvancedDiplomaOrDiploma),
            b"BachelorDegreeOrAbove" => Ok(QualificationType::BachelorDegreeOrAbove),
            _ => Err("Unrecognized enum variant".into()),
        }
    }
}