fix: Matching users multiline description correctly

fix: #2
Signed-off-by: Awiteb <a@4rs.nl>

src/traits.rs

@@ -28,10 +28,16 @@ pub trait ExprChecker {
 impl ExprChecker for Expr {
     fn is_match<'a>(&'a self, user: &ForgejoUser) -> Option<RegexReason> {
         let one_of = |hay: &str, exprs: &'a Vec<RegexReason>| {
-            exprs.iter().find(|re| {
-                hay.split('\n')
-                    .any(|line| re.re_vec.iter().all(|re| re.is_match(line.trim())))
-            })
+            // Join the user bio into a single line
+            // ref: https://git.4rs.nl/awiteb/forgejo-guardian/issues/2
+            let hay = if hay.contains('\n') {
+                hay.split('\n').collect::<Vec<_>>().join(" ")
+            } else {
+                hay.to_string()
+            };
+            exprs
+                .iter()
+                .find(|re_re| re_re.re_vec.iter().all(|re| re.is_match(&hay)))
         };
         [
             one_of(&user.username, &self.usernames),