Return Service errors

Additionally, removed the context that gets passed into the Services but isn't used in one of them. The websockets APIs also don't have any use for context.

internal/services/tts.go

@@ -1,8 +1,6 @@
 package services
 
 import (
-	"context"
-
 	ws "saml.dev/gome-assistant/internal/websocket"
 )
 
@@ -10,24 +8,23 @@ import (
 
 type TTS struct {
 	conn *ws.WebsocketWriter
-	ctx  context.Context
 }
 
 /* Public API */
 
 // Remove all text-to-speech cache files and RAM cache.
-func (tts TTS) ClearCache() {
+func (tts TTS) ClearCache() error {
 	req := NewBaseServiceRequest("")
 	req.Domain = "tts"
 	req.Service = "clear_cache"
 
-	tts.conn.WriteMessage(req, tts.ctx)
+	return tts.conn.WriteMessage(req)
 }
 
 // Say something using text-to-speech on a media player with cloud.
 // Takes an entityId and an optional
 // map that is translated into service_data.
-func (tts TTS) CloudSay(entityId string, serviceData ...map[string]any) {
+func (tts TTS) CloudSay(entityId string, serviceData ...map[string]any) error {
 	req := NewBaseServiceRequest(entityId)
 	req.Domain = "tts"
 	req.Service = "cloud_say"
@@ -35,13 +32,13 @@ func (tts TTS) CloudSay(entityId string, serviceData ...map[string]any) {
 		req.ServiceData = serviceData[0]
 	}
 
-	tts.conn.WriteMessage(req, tts.ctx)
+	return tts.conn.WriteMessage(req)
 }
 
 // Say something using text-to-speech on a media player with google_translate.
 // Takes an entityId and an optional
 // map that is translated into service_data.
-func (tts TTS) GoogleTranslateSay(entityId string, serviceData ...map[string]any) {
+func (tts TTS) GoogleTranslateSay(entityId string, serviceData ...map[string]any) error {
 	req := NewBaseServiceRequest(entityId)
 	req.Domain = "tts"
 	req.Service = "google_translate_say"
@@ -49,5 +46,5 @@ func (tts TTS) GoogleTranslateSay(entityId string, serviceData ...map[string]any
 		req.ServiceData = serviceData[0]
 	}
 
-	tts.conn.WriteMessage(req, tts.ctx)
+	return tts.conn.WriteMessage(req)
 }