Enhancement: Add PubSub name as config value (#537)

Author: GuzekAlan

README.md

@@ -123,6 +123,9 @@ config :live_debugger,
   signing_salt: "your_signing_salt", # Signing salt used for LiveDebugger.Endpoint
   adapter: Bandit.PhoenixAdapter, # Adapter used in LiveDebugger.Endpoint
   server: true, # Forces LiveDebugger to start even if project is not started with the `mix phx.server`
+
+# Name for LiveDebugger PubSub (it will create new one so don't put already used name)
+config :live_debugger, :pubsub_name, LiveDebugger.CustomPubSub
 ```
 
 ## Contributing

docs/config.md

@@ -53,4 +53,7 @@ config :live_debugger,
   signing_salt: "your_signing_salt", # Signing salt used for LiveDebugger.Endpoint
   adapter: Bandit.PhoenixAdapter, # Adapter used in LiveDebugger.Endpoint
   server: true, # Forces LiveDebugger to start even if project is not started with the `mix phx.server`
+
+# Name for LiveDebugger PubSub (it will create new one so don't put already used name)
+config :live_debugger, :pubsub_name, LiveDebugger.CustomPubSub
 ```

lib/live_debugger.ex

@@ -25,12 +25,14 @@ defmodule LiveDebugger do
     put_endpoint_config(config)
     put_live_debugger_tags(config)
 
+    pubsub_name = Keyword.get(config, :pubsub_name, LiveDebugger.PubSub)
+
     children = [
-      {Phoenix.PubSub, name: LiveDebugger.PubSub},
+      {Phoenix.PubSub, name: pubsub_name},
       {LiveDebuggerWeb.Endpoint,
        [
          check_origin: false,
-         pubsub_server: LiveDebugger.PubSub
+         pubsub_server: pubsub_name
        ]}
     ]
 

lib/live_debugger/utils/pubsub.ex

@@ -105,7 +105,7 @@ defmodule LiveDebugger.Utils.PubSub do
 
     @impl true
     def broadcast(topic, payload) do
-      Phoenix.PubSub.broadcast(LiveDebugger.PubSub, topic, payload)
+      Phoenix.PubSub.broadcast(pubsub_name(), topic, payload)
     end
 
     @impl true
@@ -118,7 +118,7 @@ defmodule LiveDebugger.Utils.PubSub do
 
     @impl true
     def subscribe!(topic) do
-      case Phoenix.PubSub.subscribe(LiveDebugger.PubSub, topic) do
+      case Phoenix.PubSub.subscribe(pubsub_name(), topic) do
         :ok -> :ok
         {:error, reason} -> raise reason
       end
@@ -134,7 +134,11 @@ defmodule LiveDebugger.Utils.PubSub do
 
     @impl true
     def unsubscribe(topic) do
-      Phoenix.PubSub.unsubscribe(LiveDebugger.PubSub, topic)
+      Phoenix.PubSub.unsubscribe(pubsub_name(), topic)
+    end
+
+    defp pubsub_name() do
+      Application.get_env(:live_debugger, :pubsub_name, LiveDebugger.PubSub)
     end
   end
 end