Added Handling for Invalid NoTwitch Credentials (#135)

Just a quick fix that implements handling for if your Twitch authorization is invalid by adding a new signal that gets emitted, No_Twitch.invalid_auth. Which is connected to a lambda in twitch_setup_dialog that asks for authorization and opens the browser if it's received. It's not *pretty*, but it solves the problem temporarily.

Reviewed-on: https://codeberg.org/StreamGraph/StreamGraph/pulls/135
Co-authored-by: Eroax <eroaxebusiness@duck.com>
Co-committed-by: Eroax <eroaxebusiness@duck.com>

addons/no_twitch/twitch_connection.gd

@@ -7,6 +7,10 @@ class_name No_Twitch
 
 signal token_received(token : String)
 
+signal twitch_error(error : String)
+
+signal invalid_auth()
+
 signal chat_received(chat_dict)
 signal chat_received_rich(chat_dict)
 
@@ -52,6 +56,15 @@ func cache_user_data():
 	var resp = request_user_info()
 	resp.response_received.connect(func(data):
 		
+		# Error handling here.
+		if data.has("error") and not data.error.is_empty(): # If we have an error.
+			
+			invalid_auth.emit()
+			
+			# Return out.
+			return
+			
+		
 		user_info = data.data
 		print("User Info Cached")
 		
@@ -197,6 +210,17 @@ func twitch_request(url : String, method : HTTPClient.Method = HTTPClient.METHOD
 	add_child(http)
 	http.request(url, headers, method, body)
 	
+	# Generic error signal handling to ensure the signal is emitted.
+	resp.response_received.connect(func(data):
+		# If there's no error return.
+		if !data.has("error") or data.error.is_empty():
+			
+			return
+		
+		twitch_error.emit(data.error, data.message)
+		
+		)
+	
 	return resp
 
 
@@ -322,7 +346,6 @@ class HTTPResponse:
 
 		if info.has("error"):
 			
-			push_error("No_Twitch Twitch API Error: " + str(info))
 			emit_response(info, http, storage)
 			return
 			

graph_node_renderer/twitch_setup_dialog.gd

@@ -20,13 +20,23 @@ func authenticate_twitch():
 		
 		Connections.twitch.token = loaded_creds.data.token
 		if loaded_creds.data.has("channel"):
+			
 			%Default_Chat.text = loaded_creds.data.channel
+			
+		
 		Connections.twitch.cache_user_data()
+		# Binds invalid auth to call No_Twitch.authenticate_with_twitch, handles if the cache of auth is invalid. 
+		Connections.twitch.invalid_auth.connect(func():
+			
+			var url = Connections.twitch.authenticate_with_twitch(%Client_ID.text)
+			OS.shell_open(url)
+		)
+		
 		connect_to_chat()
 		return
 		
 	
-	#	Temporary setup for saving tokens.
+#	Handles first authentication/invalid cached authentication.
 	Connections.twitch.token_received.connect(func(token):
 		
 		Connections.save_credentials({"token" : token}, "twitch")