From 4ed73c30863f9d909e822084927710d2f1c20a5a Mon Sep 17 00:00:00 2001
From: jabuxas <jabuxas@proton.me>
Date: Wed, 18 Sep 2024 10:03:53 -0300
Subject: [PATCH] feat: add /last for checking last uploaded file

---
 abyss.go    |  1 +
 handlers.go | 19 +++++++++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/abyss.go b/abyss.go
index 3119db6..3abbf0a 100644
--- a/abyss.go
+++ b/abyss.go
@@ -56,6 +56,7 @@ func main() {
 		"/tree/",
 		app.basicAuth(app.treeHandler),
 	)
+	mux.HandleFunc("/last", app.lastHandler)
 
 	srv := &http.Server{
 		Addr:         app.port,
diff --git a/handlers.go b/handlers.go
index 563f06e..27c0117 100644
--- a/handlers.go
+++ b/handlers.go
@@ -16,10 +16,11 @@ type Application struct {
 		username string
 		password string
 	}
-	url      string
-	key      string
-	filesDir string
-	port     string
+	url              string
+	key              string
+	filesDir         string
+	port             string
+	lastUploadedFile string
 }
 
 func (app *Application) treeHandler(w http.ResponseWriter, r *http.Request) {
@@ -47,6 +48,14 @@ func (app *Application) indexHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func (app *Application) lastHandler(w http.ResponseWriter, r *http.Request) {
+	if app.lastUploadedFile == "" {
+		http.Error(w, "No new files uploaded yet", http.StatusNotFound)
+		return
+	}
+	http.ServeFile(w, r, app.lastUploadedFile)
+}
+
 func (app *Application) uploadHandler(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path != "/" {
 		http.Error(w, "Method not allowed", http.StatusUnauthorized)
@@ -87,6 +96,8 @@ func (app *Application) uploadHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Error copying the file", http.StatusInternalServerError)
 	}
 
+	app.lastUploadedFile = filepath
+
 	if app.url == "" {
 		fmt.Fprintf(w, "http://localhost%s/%s\n", app.port, filename)
 	} else {