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use std::io::Error;
use std::io::ErrorKind;
use tracing::trace;
use dataplane::core::Encoder;
use dataplane::core::Decoder;
use dataplane::core::Version;
use dataplane::bytes::{Buf, BufMut};
use dataplane::api::Request;
use fluvio_controlplane_metadata::topic::TopicSpec;
use fluvio_controlplane_metadata::spu::CustomSpuSpec;
use fluvio_controlplane_metadata::spu::CustomSpuKey;
use fluvio_controlplane_metadata::spg::SpuGroupSpec;
use fluvio_controlplane_metadata::core::Spec;
use fluvio_controlplane_metadata::core::Removable;
use crate::Status;
use crate::AdminPublicApiKey;
use crate::AdminRequest;
pub trait DeleteSpec: Removable {
fn into_request<K>(key: K) -> DeleteRequest
where
K: Into<Self::DeleteKey>;
}
#[derive(Debug)]
pub enum DeleteRequest {
Topic(String),
CustomSpu(CustomSpuKey),
SpuGroup(String),
}
impl Default for DeleteRequest {
fn default() -> Self {
DeleteRequest::CustomSpu(CustomSpuKey::Id(0))
}
}
impl DeleteRequest {
fn type_string(&self) -> &'static str {
match self {
Self::Topic(_) => TopicSpec::LABEL,
Self::CustomSpu(_) => CustomSpuSpec::LABEL,
Self::SpuGroup(_) => SpuGroupSpec::LABEL,
}
}
}
impl AdminRequest for DeleteRequest {}
impl Request for DeleteRequest {
const API_KEY: u16 = AdminPublicApiKey::Delete as u16;
const DEFAULT_API_VERSION: i16 = 1;
type Response = Status;
}
impl Encoder for DeleteRequest {
fn write_size(&self, version: Version) -> usize {
let type_size = self.type_string().to_owned().write_size(version);
type_size
+ match self {
Self::Topic(s) => s.write_size(version),
Self::CustomSpu(s) => s.write_size(version),
Self::SpuGroup(s) => s.write_size(version),
}
}
fn encode<T>(&self, dest: &mut T, version: Version) -> Result<(), Error>
where
T: BufMut,
{
self.type_string().to_owned().encode(dest, version)?;
match self {
Self::Topic(s) => s.encode(dest, version)?,
Self::CustomSpu(s) => s.encode(dest, version)?,
Self::SpuGroup(s) => s.encode(dest, version)?,
}
Ok(())
}
}
impl Decoder for DeleteRequest {
fn decode<T>(&mut self, src: &mut T, version: Version) -> Result<(), Error>
where
T: Buf,
{
let mut typ = "".to_owned();
typ.decode(src, version)?;
trace!("decoded type: {}", typ);
match typ.as_ref() {
TopicSpec::LABEL => {
let mut response = String::default();
response.decode(src, version)?;
*self = Self::Topic(response);
Ok(())
}
CustomSpuSpec::LABEL => {
let mut response = CustomSpuKey::default();
response.decode(src, version)?;
*self = Self::CustomSpu(response);
Ok(())
}
SpuGroupSpec::LABEL => {
let mut response = String::default();
response.decode(src, version)?;
*self = Self::SpuGroup(response);
Ok(())
}
_ => Err(Error::new(
ErrorKind::InvalidData,
format!("invalid spec type {}", typ),
)),
}
}
}