marketlib/enums/
request_action.rs

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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 RequestAction {
    ReturnRequest,
    RefundRequest,
    ContactSeller,
    ContactSupport,
    AcceptReturn,
    AcceptRefund,
    DeclineRefund,
    DeclineReturn,
}

#[cfg(feature = "diesel")]
impl ToSql<Varchar, Pg> for RequestAction {
    fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> serialize::Result {
        match *self {
            RequestAction::ReturnRequest => out.write_all(b"ReturnRequest")?,
            RequestAction::RefundRequest => out.write_all(b"RefundRequest")?,
            RequestAction::ContactSeller => out.write_all(b"ContactSeller")?,
            RequestAction::ContactSupport => out.write_all(b"ContactSupport")?,
            RequestAction::AcceptReturn => out.write_all(b"AcceptReturn")?,
            RequestAction::AcceptRefund => out.write_all(b"AcceptRefund")?,
            RequestAction::DeclineRefund => out.write_all(b"DeclineRefund")?,
            RequestAction::DeclineReturn => out.write_all(b"DeclineReturn")?,
        }
        Ok(IsNull::No)
    }
}

#[cfg(feature = "diesel")]
impl FromSql<Varchar, Pg> for RequestAction {
    fn from_sql(bytes: Option<&<Pg as Backend>::RawValue>) -> deserialize::Result<Self> {
        match not_none!(bytes) {
            b"ReturnRequest" => Ok(RequestAction::ReturnRequest),
            b"RefundRequest" => Ok(RequestAction::RefundRequest),
            b"ContactSeller" => Ok(RequestAction::ContactSeller),
            b"ContactSupport" => Ok(RequestAction::ContactSupport),
            b"AcceptReturn" => Ok(RequestAction::AcceptReturn),
            b"AcceptRefund" => Ok(RequestAction::AcceptRefund),
            b"DeclineRefund" => Ok(RequestAction::DeclineRefund),
            b"DeclineReturn" => Ok(RequestAction::DeclineReturn),
            _ => Err("Unrecognized enums variant".into()),
        }
    }
}