get_structure endpoint

.sqlx/query-3028a7c8ec616933e490ed267967b1406552c2b7c69f4f1f02a147df5411e692.json

@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "SELECT folder_id, owner_id, folder_name, created_at FROM folders WHERE parent_folder_id = $1",
+  "query": "SELECT folder_id, owner_id, folder_name, created_at FROM folders WHERE folder_id = $1",
   "describe": {
     "columns": [
       {
@@ -36,5 +36,5 @@
       false
     ]
   },
-  "hash": "9cc887509746b773ebbc8c130331b768f9a1deeab34d56aa3b0a833d718114fe"
+  "hash": "3028a7c8ec616933e490ed267967b1406552c2b7c69f4f1f02a147df5411e692"
 }

.sqlx/query-b11a87b3b9f6289e831b1f0cb0e8f35283687a9b13d050ac15f16e2a8cec046f.json

@@ -0,0 +1,41 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT\n    f.folder_id,\n    owner_id,\n    folder_name,\n    created_at\nFROM\n    folders f\n    JOIN permissions p ON f.folder_id = p.folder_id\nWHERE\n    parent_folder_id = $1\n    AND p.user_id = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "folder_id",
+        "type_info": "Uuid"
+      },
+      {
+        "ordinal": 1,
+        "name": "owner_id",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 2,
+        "name": "folder_name",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 3,
+        "name": "created_at",
+        "type_info": "Timestamp"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid",
+        "Int4"
+      ]
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "b11a87b3b9f6289e831b1f0cb0e8f35283687a9b13d050ac15f16e2a8cec046f"
+}

Cargo.lock

@@ -321,9 +321,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.7.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fca2be1d5c43812bae364ee3f30b3afcb7877cf59f4aeb94c66f313a41d2fac9"
+checksum = "8318a53db07bb3f8dca91a600466bdb3f2eaadeedfdbcf02e1accbad9271ba50"
 
 [[package]]
 name = "cc"
@@ -1042,9 +1042,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.2.6"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -1962,9 +1962,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.121"
+version = "1.0.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
+checksum = "784b6203951c57ff748476b126ccb5e8e2959a5c19e5c617ab1956be3dbc68da"
 dependencies = [
  "itoa",
  "memchr",
@@ -2478,6 +2478,7 @@ dependencies = [
  "bytes",
  "libc",
  "mio",
+ "parking_lot",
  "pin-project-lite",
  "socket2",
  "tokio-macros",

Cargo.toml

@@ -41,7 +41,7 @@ sqlx = { version = "0.8", features = [
     "chrono",
     "uuid",
 ] }
-tokio = { version = "1", features = ["rt-multi-thread"] }
+tokio = { version = "1", features = ["parking_lot", "rt-multi-thread"] }
 tokio-util = { version = "0.7" }
 tower = { version = "0.4" }
 tower-http = { version = "0.5", features = [

sql/get_folders.sql

@@ -0,0 +1,11 @@
+SELECT
+    f.folder_id,
+    owner_id,
+    folder_name,
+    created_at
+FROM
+    folders f
+    JOIN permissions p ON f.folder_id = p.folder_id
+WHERE
+    parent_folder_id = $1
+    AND p.user_id = $2

src/auth.rs

@@ -5,21 +5,16 @@ use axum::{
 };
 use serde::Deserialize;
 
-use crate::AppState;
-
 #[derive(Deserialize, Debug)]
 pub struct Claims {
     pub user_id: i32,
 }
 
 #[axum::async_trait]
-impl FromRequestParts<AppState> for Claims {
+impl<T> FromRequestParts<T> for Claims {
     type Rejection = StatusCode;
 
-    async fn from_request_parts(
-        parts: &mut Parts,
-        _state: &AppState,
-    ) -> Result<Self, Self::Rejection> {
+    async fn from_request_parts(parts: &mut Parts, _state: &T) -> Result<Self, Self::Rejection> {
         match parts.extract().await {
             Ok(Query(claims)) => Ok(claims),
             Err(err) => {

src/db/file.rs

@@ -33,12 +33,12 @@ pub async fn update(file_id: Uuid, size: i64, hash: Vec<u8>, pool: &Pool) -> sql
 #[derive(Debug, serde::Serialize)]
 #[allow(clippy::struct_field_names, clippy::module_name_repetitions)]
 pub struct FileWithoutParentId {
-    file_id: Uuid,
-    file_name: String,
-    file_size: i64,
-    sha512: String,
-    created_at: chrono::NaiveDateTime,
-    updated_at: chrono::NaiveDateTime,
+    pub file_id: Uuid,
+    pub file_name: String,
+    pub file_size: i64,
+    pub sha512: String,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
 }
 
 pub async fn get_files(folder_id: Uuid, pool: &Pool) -> sqlx::Result<Vec<FileWithoutParentId>> {

src/db/folder.rs

@@ -33,7 +33,7 @@ pub async fn get_root(user_id: i32, pool: &Pool) -> sqlx::Result<Uuid> {
     .map(|row| row.folder_id)
 }
 
-pub async fn get_by_id(id: Option<Uuid>, user_id: i32, pool: &Pool) -> sqlx::Result<Option<Uuid>> {
+pub async fn process_id(id: Option<Uuid>, user_id: i32, pool: &Pool) -> sqlx::Result<Option<Uuid>> {
     match id {
         Some(id) => get_permissions(id, user_id, pool)
             .await
@@ -45,25 +45,44 @@ pub async fn get_by_id(id: Option<Uuid>, user_id: i32, pool: &Pool) -> sqlx::Res
 #[derive(Debug, serde::Serialize)]
 #[allow(clippy::struct_field_names, clippy::module_name_repetitions)]
 pub struct FolderWithoutParentId {
-    folder_id: Uuid,
-    owner_id: i32,
-    folder_name: String,
-    created_at: chrono::NaiveDateTime,
+    pub folder_id: Uuid,
+    pub owner_id: i32,
+    pub folder_name: String,
+    pub created_at: chrono::NaiveDateTime,
 }
 
-pub async fn get_folders(
-    parent_folder_id: Uuid,
+pub async fn get_by_id(
+    folder_id: Uuid,
     pool: &Pool,
-) -> sqlx::Result<Vec<FolderWithoutParentId>> {
+) -> sqlx::Result<Option<FolderWithoutParentId>> {
     sqlx::query_as!(
-    FolderWithoutParentId,
-    "SELECT folder_id, owner_id, folder_name, created_at FROM folders WHERE parent_folder_id = $1",
-    parent_folder_id,
-)
-    .fetch_all(pool)
+        FolderWithoutParentId,
+        "SELECT folder_id, owner_id, folder_name, created_at FROM folders WHERE folder_id = $1",
+        folder_id
+    )
+    .fetch_optional(pool)
     .await
 }
 
+/// Get folders that user can read
+///
+/// # Warning
+///
+/// This function doesn't check that the user can read the parent folder itself
+pub fn get_folders(
+    parent_folder_id: Uuid,
+    user_id: i32,
+    pool: &Pool,
+) -> impl Stream<Item = sqlx::Result<FolderWithoutParentId>> + '_ {
+    sqlx::query_file_as!(
+        FolderWithoutParentId,
+        "sql/get_folders.sql",
+        parent_folder_id,
+        user_id
+    )
+    .fetch(pool)
+}
+
 pub async fn name_exists(parent_folder_id: Uuid, name: &str, pool: &Pool) -> sqlx::Result<bool> {
     sqlx::query_file!("sql/name_exists.sql", parent_folder_id, name)
         .fetch_one(pool)

src/endpoints/folder/get_structure.rs

@@ -0,0 +1,62 @@
+use futures::TryStreamExt;
+use tokio::try_join;
+
+use super::list::Params;
+use crate::prelude::*;
+
+#[derive(Serialize, Debug)]
+pub struct FolderStructure {
+    #[serde(flatten)]
+    folder_base: db::folder::FolderWithoutParentId,
+    folders: Vec<FolderStructure>,
+    files: Vec<db::file::FileWithoutParentId>,
+}
+
+impl From<db::folder::FolderWithoutParentId> for FolderStructure {
+    fn from(value: db::folder::FolderWithoutParentId) -> Self {
+        FolderStructure {
+            folder_base: value,
+            folders: Vec::new(),
+            files: Vec::new(),
+        }
+    }
+}
+
+#[derive(Debug, Serialize)]
+pub struct Response {
+    folder_id: Uuid,
+    structure: FolderStructure,
+}
+
+pub async fn structure(
+    Query(params): Query<Params>,
+    State(pool): State<Pool>,
+    claims: Claims,
+) -> Result<Json<Response>, StatusCode> {
+    let folder_id = db::folder::process_id(params.folder_id, claims.user_id, &pool)
+        .await
+        .handle_internal()?
+        .ok_or(StatusCode::NOT_FOUND)?;
+    let folder = db::folder::get_by_id(folder_id, &pool)
+        .await
+        .handle_internal()?
+        .ok_or(StatusCode::NOT_FOUND)?;
+    let mut response = Response {
+        folder_id,
+        structure: folder.into(),
+    };
+    let mut stack: Vec<&mut FolderStructure> = vec![&mut response.structure];
+    while let Some(folder) = stack.pop() {
+        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()?;
+        folder.folders = folders;
+        folder.files = files;
+        stack.extend(folder.folders.iter_mut());
+    }
+    Ok(Json(response))
+}

src/endpoints/folder/list.rs

@@ -1,10 +1,11 @@
+use futures::TryStreamExt;
 use tokio::try_join;
 
 use crate::prelude::*;
 
 #[derive(Debug, Deserialize)]
 pub struct Params {
-    folder_id: Option<Uuid>,
+    pub(super) folder_id: Option<Uuid>,
 }
 
 #[derive(Debug, Serialize)]
@@ -19,14 +20,14 @@ pub async fn list(
     State(pool): State<Pool>,
     claims: Claims,
 ) -> Result<Json<Response>, StatusCode> {
-    let folder_id = db::folder::get_by_id(params.folder_id, claims.user_id, &pool)
+    let folder_id = db::folder::process_id(params.folder_id, claims.user_id, &pool)
         .await
         .handle_internal()?
         .ok_or(StatusCode::NOT_FOUND)?;
 
     let (files, folders) = try_join!(
         db::file::get_files(folder_id, &pool),
-        db::folder::get_folders(folder_id, &pool)
+        db::folder::get_folders(folder_id, claims.user_id, &pool).try_collect()
     )
     .handle_internal()?;
 

src/endpoints/folder/mod.rs

@@ -1,3 +1,4 @@
 pub mod create;
 pub mod delete;
+pub mod get_structure;
 pub mod list;

src/main.rs

@@ -13,18 +13,12 @@ use tokio::net::TcpListener;
 
 type Pool = sqlx::postgres::PgPool;
 
-#[derive(Clone)]
+#[derive(Clone, FromRef)]
 struct AppState {
     pool: Pool,
     storage: FileStorage,
 }
 
-impl FromRef<AppState> for Pool {
-    fn from_ref(input: &AppState) -> Self {
-        input.pool.clone()
-    }
-}
-
 async fn create_test_users(pool: &Pool) -> anyhow::Result<()> {
     let count = sqlx::query!("SELECT count(user_id) FROM users")
         .fetch_one(pool)
@@ -104,6 +98,7 @@ fn app(state: AppState) -> Router {
                 .post(folder::create::create)
                 .delete(folder::delete::delete),
         )
+        .route("/folders/structure", get(folder::get_structure::structure))
         .route(
             "/permissions",
             get(permissions::get::get)