allow instantiating PortForwardProtocol from a string

connectbox/src/lib.rs

@@ -279,6 +279,7 @@ impl ConnectBox {
 }
 
 /// Specifies the action to perform with a given port forward. Used in conjunction with [`ConnectBox::edit_port_forwards`]
+#[derive(Debug, Clone, Copy)]
 pub enum PortForwardAction {
     /// Don't do anything with the port forward
     Keep,

connectbox/src/models.rs

@@ -78,6 +78,16 @@ impl PortForwardProtocol {
             PortForwardProtocol::Both => "3",
         }
     }
+
+    #[must_use]
+    pub fn new(s: &str) -> Option<Self> {
+        match s.to_lowercase().as_str() {
+            "tcp" => Some(Self::Tcp),
+            "udp" => Some(Self::Udp),
+            "both" => Some(Self::Both),
+            _ => None,
+        }
+    }
 }
 
 impl<'de> Deserialize<'de> for PortForwardProtocol {