paymentlib/enums/
shift_status.rs

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use serde::Deserialize;
use serde::Serialize;
use std::fmt;
use std::fmt::Formatter;
use std::str;

#[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)]
#[cfg_attr(feature = "diesel", derive(AsExpression, FromSqlRow))]
#[cfg_attr(feature = "diesel", sql_type = "Varchar")]
pub enum ShiftStatus {
    Planed,
    Started,
    Paused,
    Closed,
    Error,
    Undefined,
}
impl fmt::Display for ShiftStatus {
    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}

impl Default for ShiftStatus {
    fn default() -> Self {
        ShiftStatus::Undefined
    }
}
#[cfg(feature = "diesel")]
impl ToSql<Varchar, Pg> for ShiftStatus {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            ShiftStatus::Planed => out.write_all(b"Planed")?,
            ShiftStatus::Started => out.write_all(b"Started")?,
            ShiftStatus::Paused => out.write_all(b"Paused")?,
            ShiftStatus::Closed => out.write_all(b"Closed")?,
            ShiftStatus::Error => out.write_all(b"Error")?,
            ShiftStatus::Undefined => out.write_all(b"Undefined")?,
        }
        Ok(IsNull::No)
    }
}

#[cfg(feature = "diesel")]
impl FromSql<Varchar, Pg> for ShiftStatus {
    fn from_sql(bytes: Option<&<Pg as Backend>::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"Planed" => Ok(ShiftStatus::Planed),
            b"Started" => Ok(ShiftStatus::Started),
            b"Paused" => Ok(ShiftStatus::Paused),
            b"Closed" => Ok(ShiftStatus::Closed),
            b"Error" => Ok(ShiftStatus::Error),
            b"Undefined" => Ok(ShiftStatus::Undefined),
            _ => Err("Unrecognized enum variant".into()),
        }
    }
}