static regular expressions; if filename contains both episode number and year, favour episode over movie; print out some help text about videos

src/main.rs

@@ -2,6 +2,7 @@ use std::fs::DirEntry;
 use std::io;
 use std::path::PathBuf;
 
+use lazy_static::lazy_static;
 use regex::Regex;
 
 fn home_dir() -> PathBuf {
@@ -101,23 +102,41 @@ fn handle_mp3(file: DirEntry) {
     }
 }
 
+/// if filename contains something like `(1971)` or `[2003]` it's a movie
+fn is_movie(file: &DirEntry) -> bool {
+    lazy_static! {
+        static ref MOVIE: Regex = Regex::new(r"\(\d{4}\)|\[\d{4}]").unwrap();
+    }
+
+    MOVIE.is_match(file.file_name().to_str().unwrap())
+}
+
+/// if filename contains something like "S03E21" it's a TV programme
+fn is_tv_episode(file: &DirEntry) -> bool {
+    lazy_static! {
+        static ref TV: Regex = Regex::new(r"s\d{2}e\d{2}").unwrap();
+    }
+
+    TV.is_match(file.file_name().to_str().unwrap())
+}
+
 fn handle_video(file: DirEntry) {
     let mut destination = vec!["Videos"];
 
-    // if filename contains something like "(1971)" or "[2003]" it's a movie
-    // if filename contains something like "S03E21" it's a TV programme
-
-    let movie = Regex::new(r"\(\d{4}\)|\[\d{4}]").unwrap();
-    let tv    = Regex::new(r"s\d{2}e\d{2}").unwrap();
-
-    if movie.is_match(file.file_name().to_str().unwrap()) {
+    if is_tv_episode(&file) {
+        destination.push("TV");
+    } else if is_movie(&file) {
         // todo match decade?
         destination.push("Movies");
-    } else if tv.is_match(file.file_name().to_str().unwrap()) {
-        destination.push("TV");
     }
 
-    move_file(file.path(), create_dir_if_not_exists(destination));
+    println!(
+        "Move to ~/{}/{}?", destination.join("/"), file.file_name().to_str().unwrap()
+    );
+
+    if yes() {
+        move_file(file.path(), create_dir_if_not_exists(destination));
+    }
 }
 
 fn handle_dir(path: PathBuf) {