File size: 5,298 Bytes
afa0cbf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | //! `thread/delete` request handling.
use super::thread_processor::unsupported_thread_store_operation;
use super::*;
impl ThreadRequestProcessor {
pub(crate) async fn thread_delete(
&self,
request_id: ConnectionRequestId,
params: ThreadDeleteParams,
) -> Result<Option<ClientResponsePayload>, JSONRPCErrorError> {
let mut deleted_thread_ids = Vec::new();
let result = {
let _thread_list_state_permit = self.acquire_thread_list_state_permit().await?;
self.thread_delete_response(params, &mut deleted_thread_ids)
.await
};
match result {
Ok(response) => {
self.outgoing
.send_response(request_id.clone(), response)
.await;
self.send_thread_deleted_notifications(deleted_thread_ids)
.await;
Ok(None)
}
Err(error) => Err(error),
}
}
async fn thread_delete_response(
&self,
params: ThreadDeleteParams,
deleted_thread_ids: &mut Vec<String>,
) -> Result<ThreadDeleteResponse, JSONRPCErrorError> {
let thread_id = ThreadId::from_string(¶ms.thread_id)
.map_err(|err| invalid_request(format!("invalid thread id: {err}")))?;
let thread_ids = self.state_db_spawn_subtree_thread_ids(thread_id).await?;
self.validate_root_thread_delete(thread_id, thread_ids.len() > 1)
.await?;
for thread_id_to_delete in thread_ids.iter().copied() {
self.prepare_thread_for_delete(thread_id_to_delete).await?;
}
let mut delete_order: Vec<_> = thread_ids.iter().skip(1).rev().copied().collect();
delete_order.push(thread_id);
self.thread_store
.delete_threads(StoreDeleteThreadsParams {
thread_ids: delete_order.clone(),
})
.await
.map_err(thread_store_delete_error)?;
deleted_thread_ids.extend(
delete_order
.into_iter()
.map(|thread_id| thread_id.to_string()),
);
Ok(ThreadDeleteResponse {})
}
async fn send_thread_deleted_notifications(&self, deleted_thread_ids: Vec<String>) {
for thread_id in deleted_thread_ids {
self.outgoing
.send_server_notification(ServerNotification::ThreadDeleted(
ThreadDeletedNotification { thread_id },
))
.await;
}
}
async fn validate_root_thread_delete(
&self,
thread_id: ThreadId,
has_descendants: bool,
) -> Result<(), JSONRPCErrorError> {
if let Ok(thread) = self.thread_manager.get_thread(thread_id).await {
if !thread.config_snapshot().await.ephemeral {
return Ok(());
}
return Err(invalid_request(format!(
"thread is not persisted and cannot be deleted: {thread_id}"
)));
}
match self
.thread_store
.read_thread(StoreReadThreadParams {
thread_id,
include_archived: true,
include_history: false,
})
.await
{
Ok(_) => Ok(()),
Err(ThreadStoreError::ThreadNotFound { .. }) => {
if has_descendants {
return Ok(());
}
let Some(state_db) = self.state_db.as_ref() else {
return Err(thread_store_delete_error(
ThreadStoreError::ThreadNotFound { thread_id },
));
};
if state_db
.get_thread(thread_id)
.await
.map_err(|err| {
internal_error(format!(
"failed to read app-server state for {thread_id}: {err}"
))
})?
.is_some()
{
Ok(())
} else {
Err(thread_store_delete_error(
ThreadStoreError::ThreadNotFound { thread_id },
))
}
}
Err(err) => Err(thread_store_delete_error(err)),
}
}
async fn prepare_thread_for_delete(
&self,
thread_id: ThreadId,
) -> Result<(), JSONRPCErrorError> {
self.prepare_thread_for_removal(thread_id, "delete").await?;
if let Some(log_db) = self.log_db.as_ref() {
log_db.flush().await;
}
Ok(())
}
}
fn thread_store_delete_error(err: ThreadStoreError) -> JSONRPCErrorError {
match err {
ThreadStoreError::ThreadNotFound { thread_id } => {
invalid_request(format!("thread not found: {thread_id}"))
}
ThreadStoreError::InvalidRequest { message } | ThreadStoreError::Conflict { message } => {
invalid_request(message)
}
ThreadStoreError::Unsupported { operation } => {
unsupported_thread_store_operation(operation)
}
err => internal_error(format!("failed to delete thread: {err}")),
}
}
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