pcvolkmer/mv64e-kafka-to-rest-gateway
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refactor: use if let instead of match

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This commit is contained in:
Paul-Christian Volkmer
2025-09-06 13:01:16 +02:00
parent eea3a7d6cf
commit 28e57e11c8
1 changed files with 59 additions and 59 deletions
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118
src/main.rs
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@@ -53,7 +53,9 @@ fn extract_request_id(msg: &BorrowedMessage) -> Option<String> {
None => None,
Some(headers) => {
if let Some(value) = headers
.iter().find(|header| header.key == "requestId")?.value
.iter()
.find(|header| header.key == "requestId")?
.value
{
match str::from_utf8(value) {
Ok(value) => Some(value.to_string()),
@@ -68,7 +70,7 @@ fn extract_request_id(msg: &BorrowedMessage) -> Option<String> {
fn client_config() -> ClientConfig {
let mut client_config = ClientConfig::new();
client_config.set("bootstrap.servers", &CONFIG.bootstrap_servers.to_string());
client_config.set("bootstrap.servers", &CONFIG.bootstrap_servers);
if CONFIG.ssl_cert_file.is_some() || CONFIG.ssl_key_file.is_some() {
client_config
@@ -134,73 +136,71 @@ async fn main() -> Result<(), Box<dyn Error>> {
.create()?;
while let Ok(msg) = consumer.recv().await {
match msg.payload_view::<str>() {
Some(Ok(payload)) => match msg.key_view::<str>() {
Some(Ok(key)) => {
let payload = if let Ok(payload) = serde_json::from_str::<Mtb>(&payload) {
payload
} else {
error!("Error deserializing payload");
continue;
};
if let Some(Ok(payload)) = msg.payload_view::<str>() {
if let Some(Ok(key)) = msg.key_view::<str>() {
let payload = if let Ok(payload) = serde_json::from_str::<Mtb>(payload) {
payload
} else {
error!("Error deserializing payload");
continue;
};
let request_id = extract_request_id(&msg).unwrap_or_default();
let request_id = extract_request_id(&msg).unwrap_or_default();
match handle_record(payload).await {
Err(err) => error!("{}", err),
Ok(response) => {
let response_payload = ResponsePayload {
request_id: request_id.to_string(),
status_code: response.status_code,
status_body: serde_json::from_str::<Value>(&response.status_body)
.unwrap_or(json!({})),
};
let response_payload = serde_json::to_string(&response_payload)?;
match handle_record(payload).await {
Err(err) => error!("{}", err),
Ok(response) => {
let response_payload = ResponsePayload {
request_id: request_id.to_string(),
status_code: response.status_code,
status_body: serde_json::from_str::<Value>(&response.status_body)
.unwrap_or(json!({})),
};
let response_payload = serde_json::to_string(&response_payload)?;
let response_record = FutureRecord::to(&CONFIG.response_topic)
.key(key)
.payload(&response_payload);
let response_record = FutureRecord::to(&CONFIG.response_topic)
.key(key)
.payload(&response_payload);
match if let Some(headers) = msg.headers() {
producer
.send(
response_record.headers(headers.detach()),
Duration::from_secs(1),
)
.await
} else {
producer.send(response_record, Duration::from_secs(1)).await
} {
Ok(_) => {
info!("Response for '{request_id}' sent successfully");
}
Err((err, _)) => {
error!("Could not send response for '{request_id}': {err}");
}
match if let Some(headers) = msg.headers() {
producer
.send(
response_record.headers(headers.detach()),
Duration::from_secs(1),
)
.await
} else {
producer.send(response_record, Duration::from_secs(1)).await
} {
Ok(_) => {
info!("Response for '{request_id}' sent successfully");
}
if response.status_code == 200
|| response.status_code == 201
|| response.status_code == 400
|| response.status_code == 422
{
consumer
.commit_message(&msg, CommitMode::Async)
.expect("Cound not commit message: {}");
} else {
warn!(
"Unexpected Status Code for Request '{}': HTTP {}",
&request_id, response.status_code
);
Err((err, _)) => {
error!("Could not send response for '{request_id}': {err}");
}
}
if response.status_code == 200
|| response.status_code == 201
|| response.status_code == 400
|| response.status_code == 422
{
consumer.commit_message(&msg, CommitMode::Async)?;
} else {
warn!(
"Unexpected Status Code for Request '{}': HTTP {}",
&request_id, response.status_code
);
}
}
}
_ => error!("Error getting key"),
},
_ => error!("Error getting payload"),
} else {
error!("Error getting key");
}
} else {
error!("Error getting payload");
}
};
}
Ok(())
}