Make list photos endpoint a get resource

The request doesn't modify state and the path can be passed as a query
param so a GET makes more sense.

src/main.rs

@@ -17,14 +17,10 @@ use actix_multipart as mp;
 use actix_web::{
     delete,
     error::BlockingError,
-    get, post, put,
-    web::{self, BufMut, BytesMut},
+    get, middleware, post, put,
+    web::{self, BufMut, BytesMut, HttpRequest, HttpResponse, Query},
     App, HttpServer, Responder,
 };
-use actix_web::{
-    middleware,
-    web::{HttpRequest, HttpResponse, Json},
-};
 use notify::{watcher, DebouncedEvent, RecursiveMode, Watcher};
 use rayon::prelude::*;
 use serde::Serialize;
@@ -42,8 +38,8 @@ mod database;
 mod files;
 mod video;
 
-#[post("/photos")]
-async fn list_photos(_claims: Claims, req: Json<ThumbnailRequest>) -> impl Responder {
+#[get("/photos")]
+async fn list_photos(_claims: Claims, req: Query<ThumbnailRequest>) -> impl Responder {
     info!("{}", req.path);
 
     let path = &req.path;