Changed file structure to align with the recommendations given by https://github.com/golang-standards/project-layout

api/UploadHandlers.go

@@ -0,0 +1,36 @@
+package api
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+)
+
+func UploadHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	file, header, err := r.FormFile("image") // "image" is the name of the file input
+	if err != nil {
+		http.Error(w, "Error retrieving file", http.StatusBadRequest)
+		return
+	}
+	defer file.Close()
+
+	dst, err := os.Create("./uploads/" + header.Filename)
+	if err != nil {
+		http.Error(w, "Error creating file on server", http.StatusInternalServerError)
+		return
+	}
+	defer dst.Close()
+
+	if _, err := io.Copy(dst, file); err != nil {
+		http.Error(w, "Error saving file", http.StatusInternalServerError)
+		return
+	}
+	fmt.Fprint(w, "<script>location.href = '/admin/'</script>")
+	fmt.Fprintf(w, "Image uploaded successfully: %s", header.Filename)
+}