Add ability to host webui card image files

src/options.rs

@@ -57,7 +57,10 @@ pub struct Args {
     pub en_android_asset_hash: String,
 
     #[arg(long, default_value = "", help = "Asset hash for JP Android client.")]
-    pub jp_android_asset_hash: String
+    pub jp_android_asset_hash: String,
+
+    #[arg(long, default_value = "", help = "Path to image assets.")]
+    pub image_asset_path: String
 }
 
 pub fn get_args() -> Args {

src/router/webui.rs

@@ -7,6 +7,7 @@ use actix_web::{
 use json::{JsonValue, object};
 use lazy_static::lazy_static;
 use include_dir::{include_dir, Dir};
+use std::fs;
 
 use crate::include_file;
 use crate::router::{userdata, items};
@@ -168,6 +169,25 @@ pub fn main(req: HttpRequest) -> HttpResponse {
             .insert_header(ContentType(mime))
             .insert_header(("content-length", body.len()))
             .body(body);
+    } else if path.starts_with("webui/images/card-thumbnails") {
+        let args = crate::get_args();
+
+        let file_name = path.split("/").last().unwrap_or("");
+        let file_path = format!("{}/{}", args.image_asset_path, file_name).replace("//", "/");
+        if args.image_asset_path != "" && let Ok(body) = fs::read(file_path) {
+            let mime = mime_guess::from_path(path).first_or_octet_stream();
+            return HttpResponse::Ok()
+                .insert_header(ContentType(mime))
+                .insert_header(("content-length", body.len()))
+                .body(body);
+        } else {
+            if args.image_asset_path != "" {
+                println!("File '{file_name}' was requested, but no file was found on the disk!");
+            }
+            return HttpResponse::SeeOther()
+                .insert_header(("location", format!("https://sif2-api.ethanthesleepy.one{}", req.path())))
+                .body("");
+        }
     }
 
     HttpResponse::Found()
@@ -269,10 +289,12 @@ pub fn get_card_info(req: HttpRequest) -> HttpResponse {
     }
 
     let total_pages = (total_len as f64 / max as f64).ceil() as usize;
+    let args = crate::get_args();
 
     let resp = object!{
         total_pages: total_pages,
-        current: page_items
+        current: page_items,
+        image_path: args.image_asset_path
     };
 
     HttpResponse::Ok()