Create file metadata endpoint

This allows retrieving create/modify date as well as file size for any
file in the BASE_PATH.

src/main.rs

@@ -8,11 +8,13 @@ use database::{DbError, DbErrorKind, FavoriteDao, SqliteFavoriteDao, SqliteUserD
 use futures::stream::StreamExt;
 use lazy_static::lazy_static;
 use prometheus::{self, IntGauge};
-use std::path::{Path, PathBuf};
-use std::sync::mpsc::channel;
-use std::sync::Arc;
+use std::sync::{mpsc::channel, Arc};
 use std::{collections::HashMap, io::prelude::*};
 use std::{env, fs::File};
+use std::{
+    io::ErrorKind,
+    path::{Path, PathBuf},
+};
 use walkdir::{DirEntry, WalkDir};
 
 use actix::prelude::*;
@@ -29,7 +31,7 @@ use notify::{watcher, DebouncedEvent, RecursiveMode, Watcher};
 use rayon::prelude::*;
 use serde::Serialize;
 
-use data::{AddFavoriteRequest, ThumbnailRequest};
+use data::{AddFavoriteRequest, MetadataResponse, ThumbnailRequest};
 use log::{debug, error, info};
 
 use crate::data::Claims;
@@ -61,7 +63,7 @@ async fn list_photos(_claims: Claims, req: Query<ThumbnailRequest>) -> impl Resp
 
     let path = &req.path;
     if let Some(path) = is_valid_path(path) {
-        let files = list_files(path).unwrap_or_default();
+        let files = list_files(&path).unwrap_or_default();
 
         let photos = &files
             .iter()
@@ -119,6 +121,24 @@ async fn get_image(
     }
 }
 
+#[get("/image/metadata")]
+async fn get_file_metadata(_: Claims, path: web::Query<ThumbnailRequest>) -> impl Responder {
+    match is_valid_path(&path.path)
+        .ok_or_else(|| ErrorKind::InvalidData.into())
+        .and_then(File::open)
+        .and_then(|file| file.metadata())
+    {
+        Ok(metadata) => {
+            let response: MetadataResponse = metadata.into();
+            HttpResponse::Ok().json(response)
+        }
+        Err(e) => {
+            error!("Error getting metadata for file '{}': {:?}", path.path, e);
+            HttpResponse::InternalServerError().finish()
+        }
+    }
+}
+
 #[post("/image")]
 async fn upload_image(_: Claims, mut payload: mp::Multipart) -> impl Responder {
     let mut file_content: BytesMut = BytesMut::new();
@@ -370,7 +390,7 @@ fn create_thumbnails() {
     update_media_counts(&images);
 }
 
-fn update_media_counts(media_dir: &PathBuf) {
+fn update_media_counts(media_dir: &Path) {
     let mut image_count = 0;
     let mut video_count = 0;
     for ref entry in WalkDir::new(media_dir).into_iter().filter_map(|e| e.ok()) {
@@ -485,6 +505,7 @@ fn main() -> std::io::Result<()> {
             .service(favorites)
             .service(put_add_favorite)
             .service(delete_favorite)
+            .service(get_file_metadata)
             .app_data(app_data.clone())
             .data::<Box<dyn UserDao>>(Box::new(user_dao))
             .data::<Box<dyn FavoriteDao>>(Box::new(favorites_dao))