Add get voice state endpoints (#375)

Author: sebm253

rest/members.go

@@ -25,6 +25,8 @@ type Members interface {
 
 	UpdateCurrentMember(guildID snowflake.ID, nick string, opts ...RequestOpt) (*string, error)
 
+	GetCurrentUserVoiceState(guildID snowflake.ID, opts ...RequestOpt) (*discord.VoiceState, error)
+	GetUserVoiceState(guildID snowflake.ID, userID snowflake.ID, opts ...RequestOpt) (*discord.VoiceState, error)
 	UpdateCurrentUserVoiceState(guildID snowflake.ID, currentUserVoiceStateUpdate discord.CurrentUserVoiceStateUpdate, opts ...RequestOpt) error
 	UpdateUserVoiceState(guildID snowflake.ID, userID snowflake.ID, userVoiceStateUpdate discord.UserVoiceStateUpdate, opts ...RequestOpt) error
 }
@@ -105,6 +107,16 @@ func (s *memberImpl) UpdateCurrentMember(guildID snowflake.ID, nick string, opts
 	return
 }
 
+func (s *memberImpl) GetCurrentUserVoiceState(guildID snowflake.ID, opts ...RequestOpt) (state *discord.VoiceState, err error) {
+	err = s.client.Do(GetCurrentUserVoiceState.Compile(nil, guildID), nil, &state, opts...)
+	return
+}
+
+func (s *memberImpl) GetUserVoiceState(guildID snowflake.ID, userID snowflake.ID, opts ...RequestOpt) (state *discord.VoiceState, err error) {
+	err = s.client.Do(GetUserVoiceState.Compile(nil, guildID, userID), nil, &state, opts...)
+	return
+}
+
 func (s *memberImpl) UpdateCurrentUserVoiceState(guildID snowflake.ID, currentUserVoiceStateUpdate discord.CurrentUserVoiceStateUpdate, opts ...RequestOpt) error {
 	return s.client.Do(UpdateCurrentUserVoiceState.Compile(nil, guildID), currentUserVoiceStateUpdate, nil, opts...)
 }

rest/rest_endpoints.go

@@ -93,6 +93,8 @@ var (
 	GetGuildOnboarding    = NewEndpoint(http.MethodGet, "/guilds/{guild.id}/onboarding")
 	UpdateGuildOnboarding = NewEndpoint(http.MethodPut, "/guilds/{guild.id}/onboarding")
 
+	GetCurrentUserVoiceState    = NewEndpoint(http.MethodGet, "/guilds/{guild.id}/voice-states/@me")
+	GetUserVoiceState           = NewEndpoint(http.MethodGet, "/guilds/{guild.id}/voice-states/{user.id}")
 	UpdateCurrentUserVoiceState = NewEndpoint(http.MethodPatch, "/guilds/{guild.id}/voice-states/@me")
 	UpdateUserVoiceState        = NewEndpoint(http.MethodPatch, "/guilds/{guild.id}/voice-states/{user.id}")
 )