diff --git a/src/main.rs b/src/main.rs
index 479766e..4560d9c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use axum::body::Bytes;
 use axum::extract::{Multipart, Query};
 use axum::http::StatusCode;
 use axum::response::{IntoResponse, Response};
@@ -66,6 +67,36 @@ async fn test_handler() -> Result<(), AppError> {
     Ok(())
 }
 
+async fn send_image_to_dd(
+    file_contents: Vec<u8>,
+    file_name: String,
+    file_mime_type: &str,
+    options: &Options,
+) -> anyhow::Result<WrappedResponse> {
+    let part = reqwest::multipart::Part::bytes(file_contents)
+        .file_name(file_name)
+        .mime_str(file_mime_type)
+        .unwrap();
+    let form = reqwest::multipart::Form::new().part("file", part);
+
+    log::debug!("calling dd");
+
+    let resp = reqwest::Client::new()
+        .post("http://localhost:4443")
+        .multipart(form)
+        .header("authorization", "Bearer 123")
+        .query(&[("threshold", options.threshold.clone())])
+        .send()
+        .await?;
+
+    let body = resp.text().await?;
+    log::info!("body: {}", &body);
+    let json_response: WrappedResponse = serde_json::from_str(&body)?;
+
+    log::debug!("called!");
+    Ok(json_response)
+}
+
 #[debug_handler]
 async fn upload_file(
     options: Query<Options>,
@@ -90,27 +121,13 @@ async fn upload_file(
     }
 
     if let Some(file_contents) = maybe_file_contents {
-        let part = reqwest::multipart::Part::bytes(file_contents.to_vec())
-            .file_name(maybe_file_name.unwrap())
-            .mime_str(maybe_file_type.unwrap().as_ref())
-            .unwrap();
-        let form = reqwest::multipart::Form::new().part("file", part);
-
-        log::debug!("calling dd");
-
-        let resp = reqwest::Client::new()
-            .post("http://localhost:4443")
-            .multipart(form)
-            .header("authorization", "Bearer 123")
-            .query(&[("threshold", options.threshold.clone())])
-            .send()
-            .await?;
-
-        let body = resp.text().await?;
-        log::info!("body: {}", &body);
-        let json_response: WrappedResponse = serde_json::from_str(&body)?;
-
-        log::debug!("called!");
+        let json_response = send_image_to_dd(
+            file_contents.to_vec(),
+            maybe_file_name.unwrap(),
+            &maybe_file_type.unwrap(),
+            &options,
+        )
+        .await?;
         Ok((StatusCode::OK, Json(json_response)))
     } else {
         Ok((