extract history::add

src/history/add.rs

@@ -0,0 +1,17 @@
+use crate::prelude::*;
+
+use atom_syndication::Link;
+use std::fs::OpenOptions;
+use std::io::prelude::*;
+
+pub fn mark_as_downloaded(link: &Link, file_name: &str) -> Result<()> {
+    let mut file = OpenOptions::new()
+        .write(true)
+        .append(true)
+        .create(true)
+        .open(file_name)
+        .unwrap();
+
+    writeln!(file, "{}", link.href)?;
+    Ok(())
+}

src/history/mod.rs

@@ -1,3 +1,5 @@
+mod add;
 mod find;
 
+pub use add::mark_as_downloaded;
 pub use find::is_already_downloaded;

src/lib.rs

@@ -21,7 +21,7 @@ pub fn run(subscriptions: &str, history: &str, site: &str) -> Result<()> {
                 if !history::is_already_downloaded(&link, history)? {
                     println!("Downloading {}: {}", &channel_name, entry.title().as_str());
                     download_audio(&link)?;
-                    mark_as_downloaded(&link, history)?;
+                    history::mark_as_downloaded(&link, history)?;
                 }
             }
         }
@@ -55,18 +55,3 @@ fn download_audio(link: &Link) -> Result<()> {
     }
     Ok(())
 }
-
-fn mark_as_downloaded(link: &Link, file_name: &str) -> Result<()> {
-    use std::fs::OpenOptions;
-    use std::io::prelude::*;
-
-    let mut file = OpenOptions::new()
-        .write(true)
-        .append(true)
-        .create(true)
-        .open(file_name)
-        .unwrap();
-
-    writeln!(file, "{}", link.href)?;
-    Ok(())
-}