implement search feature

src/route.rs

@@ -0,0 +1,42 @@
+use std::str::FromStr;
+
+use librqbit_core::Id20;
+use regex::Regex;
+use url::Url;
+
+pub enum Route {
+    Info(Id20),
+    List { page: Option<usize> },
+    NotFound,
+    Search,
+}
+
+impl Route {
+    pub fn from_url(url: &Url) -> Self {
+        let p = url.path().to_lowercase();
+        let q = url.query();
+
+        if p.is_empty() {
+            return Self::List { page: None };
+        }
+
+        if let Ok(id) = Id20::from_str(p.trim_matches('/')) {
+            return Self::Info(id);
+        }
+
+        if p == "/search" && q.is_none() {
+            return Self::Search;
+        }
+
+        if Regex::new(r"^/(|search)").unwrap().is_match(&p) {
+            return Self::List {
+                page: Regex::new(r"/(\d+)$").unwrap().captures(&p).map(|c| {
+                    c.get(1)
+                        .map_or(1, |p| p.as_str().parse::<usize>().unwrap_or(1))
+                }),
+            };
+        }
+
+        Self::NotFound
+    }
+}