* Sanity refactor to clean up common warnings

! ALso using the new common module

api/src/category.rs

@@ -1,7 +1,8 @@
 use serde::Serialize;
 use std::fs::DirEntry;
-use std::{io, env};
+use std::io;
 use rocket::serde::json::Json;
+use crate::common::get_clips_dir;
 
 #[derive(Serialize)]
 pub struct Category {
@@ -15,7 +16,7 @@ pub struct Category {
 struct List {
     categories: Vec<Category>
 }
-fn get_category_dirs(path: &str) -> std::io::Result<Vec<DirEntry>> {
+pub fn get_category_dirs(path: &str) -> std::io::Result<Vec<DirEntry>> {
     let path = std::path::Path::new(path);
     if !path.is_dir() {
         let e = io::Error::new(io::ErrorKind::NotFound, "Unable to open");
@@ -35,10 +36,7 @@ fn get_category_dirs(path: &str) -> std::io::Result<Vec<DirEntry>> {
 pub fn list() -> Json<Vec<Category>> {
     // WARN: misconfigured servers are just going to get shafted and serve up
     // a tonne of 500's
-    let dir = match env::var("CLIPS_DIR") {
-        Ok(val) => val,
-        Err(_) => "/media/clips/".to_string()
-    };
+    let dir = get_clips_dir();
 
     let mut cats: Vec<Category> = Vec::new();
     if let Ok(dirs) = get_category_dirs(&dir) {

api/src/common.rs

@@ -0,0 +1,15 @@
+use std::env;
+
+pub fn get_clips_dir() -> String {
+    return match env::var("CLIPS_DIR") {
+        Ok(val) => val,
+        Err(_) => String::from("/media/clips/".to_string())
+    }
+}
+
+pub fn thumbs_dir() -> String {
+    return match env::var("THUMBS_DIR") {
+        Ok(val) => val,
+        Err(_) => String::from("/media/thumbnails/".to_string())
+    }
+}

api/src/main.rs

@@ -7,6 +7,7 @@ mod page;
 mod category;
 mod video;
 mod thumbnail;
+mod common;
 
 #[tokio::main]
 async fn main() {

api/src/thumbnail.rs

@@ -1,13 +1,11 @@
-// THis module basically takes care of the thumnail
 use rocket::fs::NamedFile;
 use std::path::{Path, PathBuf};
+use crate::common::thumbs_dir;
 
 #[get("/<file..>")]
 pub async fn get(file: PathBuf) -> Option<NamedFile> {
-    let clips_dir = match std::env::var("THUMBS_DIR") {
-        Ok(val) => val,
-        Err(_) => "/media/thumbnails/".to_string()
-    };
+    let clips_dir = thumbs_dir();
+
     // Only serve jpg's and png's through this route
     return match file.extension() {
         Some(ext) => {