Structure optimized

Cargo.lock

@@ -1142,7 +1142,6 @@ checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
 dependencies = [
  "autocfg",
  "scopeguard",
- "serde",
 ]
 
 [[package]]
@@ -1535,7 +1534,6 @@ dependencies = [
  "futures",
  "jsonwebtoken",
  "oauth2",
- "parking_lot",
  "reqwest 0.12.5",
  "serde",
  "sha2",

Cargo.toml

@@ -26,7 +26,6 @@ dotenvy = "0.15"
 futures = "0.3"
 jsonwebtoken = "9"
 oauth2 = "4"
-parking_lot = { version = "0.12.3", features = ["serde"] }
 reqwest = { version = "0.12", features = [
     "http2",
     "rustls-tls",

src/db/folder.rs

@@ -69,19 +69,18 @@ pub async fn get_by_id(
 /// # Warning
 ///
 /// This function doesn't check that the user can read the parent folder itself
-pub async fn get_folders(
+pub fn get_folders(
     parent_folder_id: Uuid,
     user_id: i32,
     pool: &Pool,
-) -> sqlx::Result<Vec<FolderWithoutParentId>> {
+) -> impl Stream<Item = sqlx::Result<FolderWithoutParentId>> + '_ {
     sqlx::query_file_as!(
         FolderWithoutParentId,
         "sql/get_folders.sql",
         parent_folder_id,
         user_id
     )
-    .fetch_all(pool)
-    .await
+    .fetch(pool)
 }
 
 pub async fn name_exists(parent_folder_id: Uuid, name: &str, pool: &Pool) -> sqlx::Result<bool> {

src/endpoints/folder/get_structure.rs

@@ -1,6 +1,4 @@
-use std::sync::Arc;
-
-use parking_lot::Mutex;
+use futures::TryStreamExt;
 use tokio::try_join;
 
 use super::list::Params;
@@ -10,27 +8,24 @@ use crate::prelude::*;
 pub struct FolderStructure {
     #[serde(flatten)]
     folder_base: db::folder::FolderWithoutParentId,
-    folders: Vec<WrappedStructure>,
+    folders: Vec<FolderStructure>,
     files: Vec<db::file::FileWithoutParentId>,
 }
 
-type WrappedStructure = Arc<Mutex<FolderStructure>>;
-
-impl From<db::folder::FolderWithoutParentId> for WrappedStructure {
+impl From<db::folder::FolderWithoutParentId> for FolderStructure {
     fn from(value: db::folder::FolderWithoutParentId) -> Self {
-        let fs = FolderStructure {
+        FolderStructure {
             folder_base: value,
             folders: Vec::new(),
             files: Vec::new(),
-        };
-        Arc::new(Mutex::new(fs))
+        }
     }
 }
 
 #[derive(Debug, Serialize)]
 pub struct Response {
     folder_id: Uuid,
-    structure: WrappedStructure,
+    structure: FolderStructure,
 }
 
 pub async fn structure(
@@ -46,24 +41,23 @@ pub async fn structure(
         .await
         .handle_internal()?
         .ok_or(StatusCode::NOT_FOUND)?;
-    let response = Response {
+    let mut response = Response {
         folder_id,
         structure: folder.into(),
     };
     // TODO: Spawn tasks instead of a single loop
-    let mut stack: Vec<WrappedStructure> = vec![Arc::clone(&response.structure)];
+    let mut stack: Vec<&mut FolderStructure> = vec![&mut response.structure];
     while let Some(folder) = stack.pop() {
-        let folder_id = folder.lock().folder_base.folder_id;
         let (files, folders) = try_join!(
             db::file::get_files(folder_id, &pool),
             db::folder::get_folders(folder_id, claims.user_id, &pool)
+                .map_ok(Into::into)
+                .try_collect()
         )
         .handle_internal()?;
-        let folders: Vec<_> = folders.into_iter().map(Into::into).collect();
-        stack.extend(folders.iter().cloned());
-        let mut lock = folder.lock();
-        lock.folders = folders;
-        lock.files = files;
+        folder.folders = folders;
+        folder.files = files;
+        stack.extend(folder.folders.iter_mut());
     }
     Ok(Json(response))
 }

src/endpoints/folder/list.rs

@@ -1,3 +1,4 @@
+use futures::TryStreamExt;
 use tokio::try_join;
 
 use crate::prelude::*;
@@ -26,7 +27,7 @@ pub async fn list(
 
     let (files, folders) = try_join!(
         db::file::get_files(folder_id, &pool),
-        db::folder::get_folders(folder_id, claims.user_id, &pool)
+        db::folder::get_folders(folder_id, claims.user_id, &pool).try_collect()
     )
     .handle_internal()?;