change: Improve consistency in string declaration whenever suitable

actix/src/auth.rs

@@ -31,7 +31,7 @@ fn check(token: Option<String>) -> bool {
 }
 
 pub fn gen_token() -> String {
-    let token_text = "session-token".to_string();
+    let token_text = String::from("session-token");
     let time = SystemTime::now()
         .duration_since(SystemTime::UNIX_EPOCH)
         .expect("Time went backwards!")

actix/src/database.rs

@@ -9,7 +9,7 @@ pub fn find_url(shortlink: &str, db: &Connection) -> String {
         .query_map([shortlink], |row| row.get("long_url"))
         .unwrap();
 
-    let mut longlink = "".to_string();
+    let mut longlink = String::new();
     for link in links {
         longlink = link.unwrap();
     }

actix/src/main.rs

@@ -50,7 +50,7 @@ async fn getall(data: web::Data<AppState>, session: Session) -> HttpResponse {
 #[get("/api/siteurl")]
 async fn siteurl(session: Session) -> HttpResponse {
     if auth::validate(session) {
-        let site_url = env::var("site_url").unwrap_or("unset".to_string());
+        let site_url = env::var("site_url").unwrap_or(String::from("unset"));
         HttpResponse::Ok().body(site_url)
     } else {
         HttpResponse::Forbidden().body("logged_out")
@@ -73,7 +73,7 @@ async fn link_handler(shortlink: web::Path<String>, data: web::Data<AppState>) -
     if longlink == *"" {
         Redirect::to("/err/404")
     } else {
-        let redirect_method = env::var("redirect_method").unwrap_or("PERMANENT".to_string());
+        let redirect_method = env::var("redirect_method").unwrap_or(String::from("PERMANENT"));
         database::add_hit(shortlink.as_str(), &data.db);
         if redirect_method == *"TEMPORARY" {
             Redirect::to(longlink)
@@ -118,9 +118,9 @@ async fn main() -> std::io::Result<()> {
 
     // Generate session key in runtime so that restart invalidates older logins
     let secret_key = Key::generate();
-    let db_location = env::var("db_url").unwrap_or("/urls.sqlite".to_string());
+    let db_location = env::var("db_url").unwrap_or(String::from("/urls.sqlite"));
     let port = env::var("port")
-        .unwrap_or("4567".to_string())
+        .unwrap_or(String::from("4567"))
         .parse::<u16>()
         .expect("Supplied port is not an integer");
 

actix/src/utils.rs

@@ -7,7 +7,7 @@ pub fn get_longurl(shortlink: String, db: &Connection) -> String {
     if validate_link(&shortlink) {
         database::find_url(shortlink.as_str(), db)
     } else {
-        "".to_string()
+        String::new()
     }
 }
 
@@ -23,7 +23,7 @@ pub fn getall(db: &Connection) -> String {
 
 pub fn add_link(req: String, db: &Connection) -> (bool, String) {
     let chunks: Vec<&str> = req.split(';').collect();
-    let longlink = chunks[0].to_string();
+    let longlink = String::from(chunks[0]);
 
     let mut shortlink;
     if chunks.len() > 1 {
@@ -41,7 +41,7 @@ pub fn add_link(req: String, db: &Connection) -> (bool, String) {
             shortlink,
         )
     } else {
-        (false, "shortUrl not valid or already in use".to_string())
+        (false, String::from("shortUrl not valid or already in use"))
     }
 }