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macro_rules! make_id_type {
($module:ident, $name:tt) => {
mod $module {
use diesel::deserialize::{self, FromSql, Queryable};
use diesel::pg::Pg;
use diesel::sql_types::BigInt;
use std::borrow::Borrow;
use std::fmt::{self, Display};
#[derive(
Serialize, Deserialize, Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq,
)]
pub struct $name(i64);
impl $name {
#[inline]
pub fn to_i64(self) -> i64 {
self.0
}
#[inline]
pub fn from_raw(value: i64) -> Self {
debug!("Creating raw {} with value {}", stringify!($name), value);
$name(value)
}
}
impl Into<i64> for $name {
#[inline]
fn into(self) -> i64 {
self.0
}
}
impl AsRef<i64> for $name {
#[inline]
fn as_ref(&self) -> &i64 {
&self.0
}
}
impl Borrow<i64> for $name {
#[inline]
fn borrow(&self) -> &i64 {
&self.0
}
}
impl Display for $name {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.0)
}
}
impl Queryable<BigInt, Pg> for $name {
type Row = <i64 as Queryable<BigInt, Pg>>::Row;
fn build(row: Self::Row) -> Self {
let id = <i64 as Queryable<BigInt, Pg>>::build(row);
$name(id)
}
}
impl FromSql<BigInt, Pg> for $name {
#[inline]
fn from_sql(bytes: Option<&[u8]>) -> deserialize::Result<Self> {
let id = <i64 as FromSql<BigInt, Pg>>::from_sql(bytes)?;
Ok($name(id))
}
}
}
pub use $module::$name;
};
}