competitionlib/enums/
status_team.rs

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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 StatusTeam {
    Requested,
    Approved,
    Rejected,
    Blocked,
}


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


#[cfg(not(feature = "wasm"))]
impl ToSql<VarChar, Pg> for StatusTeam {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            StatusTeam::Requested => out.write_all(b"Requested")?,
            StatusTeam::Approved => out.write_all(b"Approved")?,
            StatusTeam::Rejected => out.write_all(b"Rejected")?,
            StatusTeam::Blocked => out.write_all(b"Blocked")?,

        }
        Ok(IsNull::No)
    }
}

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

}