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use mac_address::MacAddress;
use std::convert::TryInto;
use crate::decode::Decode;
use crate::encode::{Encode, IsNull};
use crate::error::BoxDynError;
use crate::postgres::{PgArgumentBuffer, PgTypeInfo, PgValueFormat, PgValueRef, Postgres};
use crate::types::Type;
impl Type<Postgres> for MacAddress {
fn type_info() -> PgTypeInfo {
PgTypeInfo::MACADDR
}
fn compatible(ty: &PgTypeInfo) -> bool {
*ty == PgTypeInfo::MACADDR
}
}
impl Type<Postgres> for [MacAddress] {
fn type_info() -> PgTypeInfo {
PgTypeInfo::MACADDR_ARRAY
}
}
impl Type<Postgres> for Vec<MacAddress> {
fn type_info() -> PgTypeInfo {
<[MacAddress] as Type<Postgres>>::type_info()
}
fn compatible(ty: &PgTypeInfo) -> bool {
<[MacAddress] as Type<Postgres>>::compatible(ty)
}
}
impl Encode<'_, Postgres> for MacAddress {
fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> IsNull {
buf.extend_from_slice(&self.bytes());
IsNull::No
}
fn size_hint(&self) -> usize {
6
}
}
impl Decode<'_, Postgres> for MacAddress {
fn decode(value: PgValueRef<'_>) -> Result<Self, BoxDynError> {
let bytes = match value.format() {
PgValueFormat::Binary => value.as_bytes()?,
PgValueFormat::Text => {
return Ok(value.as_str()?.parse()?);
}
};
if bytes.len() == 6 {
return Ok(MacAddress::new(bytes.try_into().unwrap()));
}
Err("invalid data received when expecting an MACADDR".into())
}
}