Serve video gifs when requested

src/data/mod.rs

@@ -134,10 +134,20 @@ pub enum PhotoSize {
     Thumb,
 }
 
-#[derive(Deserialize)]
+#[derive(Debug, Deserialize)]
 pub struct ThumbnailRequest {
-    pub path: String,
-    pub size: Option<PhotoSize>,
+    pub(crate) path: String,
+    pub(crate)size: Option<PhotoSize>,
+    #[serde(default)]
+    pub(crate)format: Option<ThumbnailFormat>,
+}
+
+#[derive(Debug, Deserialize, PartialEq)]
+pub enum ThumbnailFormat {
+    #[serde(rename = "gif")]
+    Gif,
+    #[serde(rename = "image")]
+    Image,
 }
 
 #[derive(Deserialize)]