1 files changed, 109 insertions, 0 deletions
diff --git a/src/components/chats_list.rs b/src/components/chats_list.rs
new file mode 100644
index 0000000..b8cf34c
--- /dev/null
+++ b/src/components/chats_list.rs
@@ -0,0 +1,109 @@
+use chats_list_item::ChatsListItem;
+use indexmap::IndexMap;
+use jid::BareJID;
+use leptos::prelude::*;
+use tracing::debug;
+
+use crate::{chat::MacawChat, client::Client, components::{icon::IconComponent, new_chat::NewChatWidget, overlay::Overlay}, icon::Icon, message::MacawMessage, message_subscriptions::MessageSubscriptions};
+
+mod chats_list_item;
+
+#[component]
+pub fn ChatsList() -> impl IntoView {
+    let (chats, set_chats) = signal(IndexMap::new());
+
+    let load_chats = LocalResource::new(move || async move {
+        let client = use_context::<Client>().expect("client not in context");
+        let chats = client
+            .get_chats_ordered_with_latest_messages_and_users()
+            .await
+            .map_err(|e| e.to_string());
+        match chats {
+            Ok(c) => {
+                let chats = c
+                    .into_iter()
+                    .map(|((chat, chat_user), (message, message_user))| {
+                        (
+                            chat.correspondent.clone(),
+                            (
+                                MacawChat::got_chat_and_user(chat, chat_user),
+                                MacawMessage::got_message_and_user(message, message_user),
+                            ),
+                        )
+                    })
+                    .collect::<IndexMap<BareJID, _>>();
+                set_chats.set(chats);
+            }
+            Err(_) => {
+                // TODO: show error message at top of chats list
+            }
+        }
+    });
+
+    let (open_new_chat, set_open_new_chat) = signal(false);
+
+    // TODO: filter new messages signal
+    let new_messages_signal: RwSignal<MessageSubscriptions> = use_context().unwrap();
+    let (sub_id, set_sub_id) = signal(None);
+    let _load_new_messages = LocalResource::new(move || async move {
+        load_chats.await;
+        let (sub_id, mut new_messages) = new_messages_signal.write().subscribe_all();
+        set_sub_id.set(Some(sub_id));
+        while let Some((to, new_message)) = new_messages.recv().await {
+            debug!("got new message in let");
+            let mut chats = set_chats.write();
+            if let Some((chat, _latest_message)) = chats.shift_remove(&to) {
+                // TODO: check if new message is actually latest message
+                debug!("chat existed");
+                debug!("new message: {}", new_message.message.read().body.body);
+                chats.insert_before(0, to, (chat.clone(), new_message));
+                debug!("done setting");
+            } else {
+                debug!("the chat didn't exist");
+                let client = use_context::<Client>().expect("client not in context");
+                let chat = client.get_chat(to.clone()).await.unwrap();
+                let user = client.get_user(to.clone()).await.unwrap();
+                debug!("before got chat");
+                let chat = MacawChat::got_chat_and_user(chat, user);
+                debug!("after got chat");
+                chats.insert_before(0, to, (chat, new_message));
+                debug!("done setting");
+            }
+        }
+        debug!("set the new message");
+    });
+    on_cleanup(move || {
+        if let Some(sub_id) = sub_id.get() {
+            new_messages_signal.write().unsubscribe_all(sub_id);
+        }
+    });
+
+    view! {
+        <div class="chats-list panel">
+            // TODO: update icon, tooltip on hover.
+            <div class="header">
+                <h2>Chats</h2>
+                <div class="new-chat header-icon" class:open=open_new_chat >
+                    <IconComponent icon=Icon::NewBubble24 on:click=move |_| set_open_new_chat.update(|state| *state = !*state)/>
+                    {move || {
+                        if *open_new_chat.read() {
+                            view! {
+                                <Overlay set_open=set_open_new_chat>
+                                    <NewChatWidget set_open_new_chat />
+                                </Overlay>
+                            }.into_any()
+                        } else {
+                            view! {}.into_any()
+                        }
+                    }}
+                </div>
+            </div>
+            <div class="chats-list-chats">
+                <For each=move || chats.get() key=|chat| chat.1.1.message.read().id let(chat)>
+                    <ChatsListItem chat=chat.1.0 message=chat.1.1 />
+                </For>
+            </div>
+        </div>
+    }
+}
+