cleaned up code, using &str instead of RawStr

Signed-off-by: Gunwant Jain <mail@wantguns.dev>

src/paste_id.rs

@@ -1,7 +1,6 @@
 use std::borrow::Cow;
 use std::fmt;
 
-use rocket::http::RawStr;
 use rocket::request::FromParam;
 
 use rand::{self, distributions::Alphanumeric, Rng};
@@ -25,9 +24,9 @@ impl<'a> PasteId<'a> {
 }
 
 impl<'a> FromParam<'a> for PasteId<'a> {
-    type Error = &'a RawStr;
+    type Error = &'a str;
 
-    fn from_param(param: &'a RawStr) -> Result<Self, Self::Error> {
+    fn from_param(param: &'a str) -> Result<Self, Self::Error> {
         match valid_id(param) {
             true => Ok(PasteId(Cow::Borrowed(param))),
             false => Err(param),

src/pretty.rs

@@ -0,0 +1,18 @@
+use std::fs;
+
+use syntect::highlighting::ThemeSet;
+use syntect::html::highlighted_html_for_string;
+use syntect::parsing::SyntaxSet;
+
+pub fn get_pretty_body(path: &String, ext: &String) -> String {
+    let ss = SyntaxSet::load_defaults_newlines();
+    let theme = ThemeSet::get_theme("themes/ayu_dark.tmTheme").unwrap();
+
+    let content = fs::read_to_string(path).unwrap();
+    let syntax = ss
+        .find_syntax_by_token(ext)
+        .unwrap_or_else(|| ss.find_syntax_plain_text());
+    let html = highlighted_html_for_string(&content, &ss, syntax, &theme);
+
+    html
+}