Use PhotoSize enum in file requests

src/data/mod.rs

@@ -103,7 +103,8 @@ pub struct PhotosResponse {
 #[derive(Deserialize)]
 pub struct FilesRequest {
     pub path: String,
-    pub tag_ids: Option<String>, // comma separated numbers
+    // comma separated numbers
+    pub tag_ids: Option<String>,
     pub tag_filter_mode: Option<FilterMode>,
     pub recursive: Option<bool>,
 }
@@ -114,10 +115,17 @@ pub enum FilterMode {
     All,
 }
 
+#[derive(Copy, Clone, Deserialize, PartialEq, Debug)]
+#[serde(rename_all = "lowercase")]
+pub enum PhotoSize {
+    Full,
+    Thumb,
+}
+
 #[derive(Deserialize)]
 pub struct ThumbnailRequest {
     pub path: String,
-    pub size: Option<String>,
+    pub size: Option<PhotoSize>,
 }
 
 #[derive(Deserialize)]

src/main.rs

@@ -80,7 +80,8 @@ async fn get_image(
     app_state: Data<AppState>,
 ) -> impl Responder {
     if let Some(path) = is_valid_full_path(&app_state.base_path, &req.path, false) {
-        if req.size.is_some() {
+        let image_size = req.size.unwrap_or(PhotoSize::Full);
+        if image_size == PhotoSize::Thumb {
             let relative_path = path
                 .strip_prefix(&app_state.base_path)
                 .expect("Error stripping base path prefix from thumbnail");