some error handling improvements & start on chat send

src/app.rs

@@ -5,13 +5,31 @@ use std::collections::{BTreeMap, BTreeSet, HashMap};
 use dioxus::prelude::*;
 use ordermap::OrderSet;
 
-use super::Command;
-use super::Command::*;
-use super::ConnectionState::{self, *};
-
 pub type ChannelId = u32;
 pub type UserId = u32;
 
+pub enum ConnectionState {
+    Disconnected,
+    Connecting,
+    Connected,
+}
+
+pub enum Command {
+    Connect {
+        address: String,
+        username: String,
+        hash: String,
+    },
+    SendChat {
+        markdown: String,
+        channels: Vec<ChannelId>,
+    },
+    Disconnect,
+}
+
+use Command::*;
+use ConnectionState::*;
+
 #[derive(Default)]
 pub struct ChannelState {
     pub name: String,
@@ -27,7 +45,7 @@ pub struct UserState {
 }
 
 pub struct Chat {
-    pub text: String,
+    pub raw: String,
     pub dangerous_html: String,
     pub sender: Option<UserId>,
 }
@@ -37,6 +55,13 @@ pub struct ServerState {
     pub channels: HashMap<ChannelId, ChannelState>,
     pub users: HashMap<UserId, UserState>,
     pub chat: Vec<Chat>,
+    pub session: Option<UserId>,
+}
+
+impl ServerState {
+    pub fn this_user(&self) -> Option<&UserState> {
+        self.users.get(&self.session?)
+    }
 }
 
 pub struct State {
@@ -80,8 +105,10 @@ pub fn Channel(id: ChannelId) -> Element {
 }
 
 #[component]
-pub fn ChatHistory() -> Element {
+pub fn ChatView() -> Element {
     let server = STATE.server.read();
+    let mut draft = use_signal(|| "".to_string());
+    //let net: Coroutine<Command> = use_coroutine_handle();
     rsx!(
         div {
             style: "margin: 16px; padding: 16px; border: solid black 1px;",
@@ -98,6 +125,22 @@ pub fn ChatHistory() -> Element {
                 }
                 hr {}
             }
+            input {
+                placeholder: "say something",
+                value: "{draft.read()}",
+                oninput: move |evt| draft.set(evt.value().clone()),
+            }
+            button {
+                onclick: move |_| {
+                    /*if let Some(user) = server.this_user() {
+                        net.send(SendChat {
+                            markdown: draft.write().split_off(0),
+                            channels: vec![user.channel],
+                        });
+                    }*/
+                },
+                "Send"
+            }
         }
     )
 }
@@ -114,7 +157,7 @@ pub fn ServerView() -> Element {
                 }
             }
         }
-        ChatHistory {}
+        ChatView {}
     )
 }