profile convo list by id, handle2id fn

Cargo.lock

@@ -123,7 +123,7 @@ checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
 [[package]]
 name = "libcwtch"
-version = "0.3.0"
+version = "0.3.2"
 dependencies = [
  "hex-literal",
  "libc",

Cargo.toml

@@ -1,13 +1,13 @@
 [package]
 name = "libcwtch"
-version = "0.3.1"
+version = "0.3.2"
 authors = ["Dan Ballard <dan@mindstab.net>"]
 edition = "2018"
 license = "MIT"
 description = "libcwtch is an interface to a Cwtch app that allows creating of profiles to communicate with contacts over the Cwtch protocol"
 repository = "https://git.openprivacy.ca/cwtch.im/libcwtch-rs"
 readme = "README.md"
-documentation = "https://docs.rs/libcwtch/0.3.0/libcwtch/"
+documentation = "https://docs.rs/libcwtch/0.3.2/libcwtch/"
 
 [build-dependencies]
 hex-literal = "0.3.4"

src/structs.rs

@@ -148,7 +148,7 @@ pub struct Profile {
     /// all profile attributes
     pub attr: HashMap<String, String>,
     /// map of conversation [ onion => conversation ]
-    pub conversations: HashMap<String, Conversation>,
+    pub conversations: HashMap<i32, Conversation>,
     /// map of servers [ onion => server ]
     pub servers: HashMap<String, Server>,
 }
@@ -289,8 +289,8 @@ impl Profile {
         })
     }
 
-    fn process_conversations(conversations_json: &str) -> Result<HashMap<String, Conversation>, String> {
-        let mut conversations: HashMap<String, Conversation> = HashMap::new();
+    fn process_conversations(conversations_json: &str) -> Result<HashMap<i32, Conversation>, String> {
+        let mut conversations: HashMap<i32, Conversation> = HashMap::new();
         if conversations_json == "null" {
             return Ok(conversations);
         }
@@ -299,7 +299,7 @@ impl Profile {
             Err(e) => return Err(format!("invalid json: {:?}", e)),
         };
         for conversation in conversations_map {
-            conversations.insert(conversation.handle.clone(), conversation);
+            conversations.insert(conversation.identifier, conversation);
         }
         Ok(conversations)
     }
@@ -318,4 +318,12 @@ impl Profile {
         }
         Ok(servers)
     }
+
+    /// Find a conversation_id associated with a remote handle (used for some events with no conversation id like PeerStateChange)
+    pub fn find_conversation_id_by_handle(&self, handle: String) -> Option<i32> {
+        match self.conversations.values().filter(|c| c.handle == handle).next() {
+            Some(conversation) => Some(conversation.identifier),
+            None => None
+        }
+    }
 }