From c22e104a244dd04378990bc880a55c64dad9c937 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Berenice=20Medel=20S=C3=A1nchez?= <bemesa21@gmail.com>
Date: Thu, 9 Dec 2021 11:56:02 -0600
Subject: [PATCH] change key to string when tracking and untrackin presences

---
 .../presence/phoenix_presence_client.ex       | 19 ++++++++++++-------
 lib/live_beats_web/live/profile_live.ex       |  2 +-
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/lib/live_beats/presence/phoenix_presence_client.ex b/lib/live_beats/presence/phoenix_presence_client.ex
index 7912b9a..c35a19e 100644
--- a/lib/live_beats/presence/phoenix_presence_client.ex
+++ b/lib/live_beats/presence/phoenix_presence_client.ex
@@ -15,11 +15,11 @@ defmodule Phoenix.Presence.Client do
   end
 
   def track(topic, key, meta) do
-    GenServer.call(PresenceClient, {:track, self(), topic, key, meta})
+    GenServer.call(PresenceClient, {:track, self(), topic, to_string(key), meta})
   end
 
   def untrack(topic, key) do
-    GenServer.call(PresenceClient, {:untrack, self(), topic, key})
+    GenServer.call(PresenceClient, {:untrack, self(), to_string(topic), key})
   end
 
   def init(opts) do
@@ -41,6 +41,11 @@ defmodule Phoenix.Presence.Client do
     {:noreply, merge_diff(state, topic, diff)}
   end
 
+  def handle_call(:state, _from, state) do
+    IO.inspect(state.topics, label: :state_topics)
+    {:reply, :ok, state}
+  end
+
   def handle_call({:track, pid, topic, key, meta}, _from, state) do
     {:reply, :ok, track_pid(state, pid, topic, key, meta)}
   end
@@ -105,16 +110,16 @@ defmodule Phoenix.Presence.Client do
       |> Map.keys()
       |> Enum.count()
 
-    leaved_key = Map.keys(leaves) |> hd
-    left_meta = leaves[leaved_key].metas |> hd
+    left_key = Map.keys(leaves) |> hd
+    left_meta = leaves[left_key].metas |> hd
 
-    state.client.handle_leave(topic, leaved_key, left_meta, state)
+    state.client.handle_leave(topic, left_key, left_meta, state)
     # if no more presences for given topic, unsubscribe
     if presences_count == 0 do
       Phoenix.PubSub.unsubscribe(state.pubsub, topic)
-      update_topics_state(:remove_topic, state, topic, leaved_key)
+      update_topics_state(:remove_topic, state, topic, left_key)
     else
-      update_topics_state(:remove_presence, state, topic, leaved_key)
+      update_topics_state(:remove_presence, state, topic, left_key)
     end
   end
 
diff --git a/lib/live_beats_web/live/profile_live.ex b/lib/live_beats_web/live/profile_live.ex
index b9ff901..affaa3c 100644
--- a/lib/live_beats_web/live/profile_live.ex
+++ b/lib/live_beats_web/live/profile_live.ex
@@ -159,7 +159,7 @@ defmodule LiveBeatsWeb.ProfileLive do
   end
 
   def handle_info({LiveBeats.PresenceClient, %{user_left: user_id}}, socket) do
-    updated_presences = socket.assign.presences |> Enum.reject(fn user -> user.id == user_id end)
+    updated_presences = socket.assigns.presences |> Enum.reject(fn user -> user.id == user_id end)
     {:noreply, assign(socket, :presences, updated_presences)}
   end