[PLT-4340] Channel Mute and "/mute" command #7617 (#7713)

* Add command and store changes to allow mute toggling

* Change channel muting to use ChannelMember notification structure

* Suppress email and push notifications for a muted channel

* Make i18n keys issue-compliant

* Add notification-cache handling for channel-muting

* Add channel handle for channel-muting slash-command

* Add unit test for mute command

* Merge branch 'master' into PLT-4340

# Conflicts:
#	app/notification.go

* Fix issue that command_mute responses will be overwritten

* Fix i18n key for channel muting

* Apply new Provider Interface to MuteCommand

* Migrate mute notification property to mark_unread

PLT-4340

* Make some i18n improvements for command_mute

PLT-4340

* Remove de.json translations

* Prevent push notifications when channel is muted

* Treat Group messages like Direct messages

* Fix unit test

* Send WS event when the channel member notify props changed

7 files changed, 316 insertions, 37 deletions

diff --git a/api/command_mute_test.go b/api/command_mute_test.go
new file mode 100644
index 000000000..6b2dad944
--- /dev/null
+++ b/api/command_mute_test.go
@@ -0,0 +1,114 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/mattermost/mattermost-server/model"
+	"github.com/nicksnyder/go-i18n/i18n"
+)
+
+func TestMuteCommand(t *testing.T) {
+	th := Setup().InitBasic()
+	defer th.TearDown()
+
+	i18n.MustLoadTranslationFile("../i18n/en.json")
+	T, _ := i18n.Tfunc("en")
+
+	// Create client and users
+	Client := th.BasicClient
+	team := th.BasicTeam
+	user1 := Client.Must(Client.GetMe("")).Data.(*model.User)
+	user2 := th.BasicUser2
+
+	// Mute channel1 directly with '/mute'
+	channel1 := &model.Channel{DisplayName: "AA", Name: "aa" + model.NewId() + "a", Type: model.CHANNEL_OPEN, TeamId: team.Id}
+	channel1 = Client.Must(Client.CreateChannel(channel1)).Data.(*model.Channel)
+	Client.Must(Client.JoinChannel(channel1.Id))
+
+	channel1M := Client.Must(Client.GetChannelMember(channel1.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel1M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted on initial setup")
+	}
+
+	rs := Client.Must(Client.Command(channel1.Id, "/mute")).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_mute", map[string]interface{}{"Channel": channel1.DisplayName})) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel1M = Client.Must(Client.GetChannelMember(channel1.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel1M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_ALL {
+		t.Fatal("channel should be muted")
+	}
+
+	rs = Client.Must(Client.Command(channel1.Id, "/mute")).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_unmute", map[string]interface{}{"Channel": channel1.DisplayName})) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel1M = Client.Must(Client.GetChannelMember(channel1.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel1M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted anymore")
+	}
+
+	// Mute channel2 via channel1 with chan-handle '/mute ~aa'
+	channel2 := &model.Channel{DisplayName: "BB", Name: "bb" + model.NewId() + "a", Type: model.CHANNEL_PRIVATE, TeamId: team.Id}
+	channel2 = Client.Must(Client.CreateChannel(channel2)).Data.(*model.Channel)
+	Client.Must(Client.JoinChannel(channel2.Id))
+	Client.Must(Client.AddChannelMember(channel2.Id, user2.Id))
+
+	channel2M := Client.Must(Client.GetChannelMember(channel2.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel2M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted on initial setup")
+	}
+
+	rs = Client.Must(Client.Command(channel1.Id, "/mute ~" + channel2.Name)).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_mute", map[string]interface{}{"Channel": channel2.DisplayName})) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel2M = Client.Must(Client.GetChannelMember(channel2.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel2M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_ALL {
+		t.Fatal("channel should be muted")
+	}
+
+	rs = Client.Must(Client.Command(channel1.Id, "/mute ~" + channel2.Name)).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_unmute", map[string]interface{}{"Channel": channel2.DisplayName})) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel2M = Client.Must(Client.GetChannelMember(channel2.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel2M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted anymore")
+	}
+
+	// Mute direct message
+	channel3 := Client.Must(Client.CreateDirectChannel(user2.Id)).Data.(*model.Channel)
+	channel3M := Client.Must(Client.GetChannelMember(channel3.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel3M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted on initial setup")
+	}
+
+	rs = Client.Must(Client.Command(channel3.Id, "/mute")).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_mute_direct_msg")) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel3M = Client.Must(Client.GetChannelMember(channel3.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel3M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_ALL {
+		t.Fatal("channel should be muted")
+	}
+
+	rs = Client.Must(Client.Command(channel3.Id, "/mute")).Data.(*model.CommandResponse)
+	if !strings.EqualFold(rs.Text, T("api.command_mute.success_unmute_direct_msg")) {
+		t.Fatal("failed to mute channel")
+	}
+
+	channel3M = Client.Must(Client.GetChannelMember(channel3.Id, user1.Id)).Data.(*model.ChannelMember)
+	if channel3M.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		t.Fatal("channel shouldn't be muted anymore")
+	}
+}
diff --git a/app/channel.go b/app/channel.go
index eadb94c2f..4e405dd93 100644
--- a/app/channel.go
+++ b/app/channel.go
@@ -482,6 +482,10 @@ func (a *App) UpdateChannelMemberNotifyProps(data map[string]string, channelId s
 	} else {
 		a.InvalidateCacheForUser(userId)
 		a.InvalidateCacheForChannelMembersNotifyProps(channelId)
+		// Notify the clients that the member notify props changed
+		evt := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_MEMBER_UPDATED, "", "", userId, nil)
+		evt.Add("channelMember", member.ToJson())
+		a.Publish(evt)
 		return member, nil
 	}
 }
@@ -1481,3 +1485,16 @@ func (a *App) GetDirectChannel(userId1, userId2 string) (*model.Channel, *model.
 	}
 	return result.Data.(*model.Channel), nil
 }
+
+func (a *App) ToggleMuteChannel(channelId string, userId string) *model.ChannelMember {
+	member := (<-a.Srv.Store.Channel().GetMember(channelId, userId)).Data.(*model.ChannelMember)
+
+	if member.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		member.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] = model.CHANNEL_MARK_UNREAD_ALL
+	} else {
+		member.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] = model.CHANNEL_NOTIFY_MENTION
+	}
+
+	a.Srv.Store.Channel().UpdateMember(member)
+	return member
+}
diff --git a/app/command_mute.go b/app/command_mute.go
new file mode 100644
index 000000000..072e79f92
--- /dev/null
+++ b/app/command_mute.go
@@ -0,0 +1,88 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package app
+
+import (
+	"strings"
+
+	"github.com/mattermost/mattermost-server/model"
+	goi18n "github.com/nicksnyder/go-i18n/i18n"
+)
+
+type MuteProvider struct {
+}
+
+const (
+	CMD_MUTE = "mute"
+)
+
+func init() {
+	RegisterCommandProvider(&MuteProvider{})
+}
+
+func (me *MuteProvider) GetTrigger() string {
+	return CMD_MUTE
+}
+
+func (me *MuteProvider) GetCommand(a *App, T goi18n.TranslateFunc) *model.Command {
+	return &model.Command{
+		Trigger:          CMD_MUTE,
+		AutoComplete:     true,
+		AutoCompleteDesc: T("api.command_mute.desc"),
+		AutoCompleteHint: T("api.command_mute.hint"),
+		DisplayName:      T("api.command_mute.name"),
+	}
+}
+
+func (me *MuteProvider) DoCommand(a *App, args *model.CommandArgs, message string) *model.CommandResponse {
+	var channel *model.Channel
+	var noChannelErr *model.AppError
+
+	if channel, noChannelErr = a.GetChannel(args.ChannelId); noChannelErr != nil {
+		return &model.CommandResponse{Text: args.T("api.command_mute.error", map[string]interface{}{"Channel": channel.DisplayName}), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+	}
+
+	// Overwrite channel with channel-handle if set
+	if strings.HasPrefix(message, "~") {
+		splitMessage := strings.Split(message, " ")
+		chanHandle := strings.Split(splitMessage[0], "~")[1]
+		data := (<-a.Srv.Store.Channel().GetByName(channel.TeamId, chanHandle, true)).Data
+
+		if data == nil {
+			return &model.CommandResponse{Text: args.T("api.command_mute.error", map[string]interface{}{"Channel": chanHandle}), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+		}
+
+		channel = data.(*model.Channel)
+	}
+
+	channelMember := a.ToggleMuteChannel(channel.Id, args.UserId)
+
+	// Invalidate cache to allow cache lookups while sending notifications
+	a.Srv.Store.Channel().InvalidateCacheForChannelMembersNotifyProps(channel.Id)
+
+	// Direct and Group messages won't have a nice channel title, omit it
+	if channel.Type == model.CHANNEL_DIRECT || channel.Type == model.CHANNEL_GROUP {
+		if channelMember.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+			publishChannelMemberEvt(a, channelMember, args.UserId)
+			return &model.CommandResponse{Text: args.T("api.command_mute.success_mute_direct_msg"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+		} else {
+			publishChannelMemberEvt(a, channelMember, args.UserId)
+			return &model.CommandResponse{Text: args.T("api.command_mute.success_unmute_direct_msg"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+		}
+	}
+
+	if channelMember.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_NOTIFY_MENTION {
+		publishChannelMemberEvt(a, channelMember, args.UserId)
+		return &model.CommandResponse{Text: args.T("api.command_mute.success_mute", map[string]interface{}{"Channel": channel.DisplayName}), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+	} else {
+		publishChannelMemberEvt(a, channelMember, args.UserId)
+		return &model.CommandResponse{Text: args.T("api.command_mute.success_unmute", map[string]interface{}{"Channel": channel.DisplayName}), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+	}
+}
+
+func publishChannelMemberEvt(a *App, channelMember *model.ChannelMember, userId string) {
+	evt := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_MEMBER_UPDATED, "", "", userId, nil)
+	evt.Add("channelMember", channelMember.ToJson())
+	a.Publish(evt)
+}
diff --git a/app/notification.go b/app/notification.go
index bb0c8703f..181ad4aac 100644
--- a/app/notification.go
+++ b/app/notification.go
@@ -163,6 +163,14 @@ func (a *App) SendNotifications(post *model.Post, team *model.Team, channel *mod
 				}
 			}
 
+			// Remove the user as recipient when the user has muted the channel.
+			if channelMuted, ok := channelMemberNotifyPropsMap[id][model.MARK_UNREAD_NOTIFY_PROP]; ok {
+				if channelMuted == model.CHANNEL_MARK_UNREAD_MENTION {
+					l4g.Debug("Channel muted for user_id %v, channel_mute %v", id, channelMuted)
+					userAllowsEmails = false
+				}
+			}
+
 			//If email verification is required and user email is not verified don't send email.
 			if a.Config().EmailSettings.RequireEmailVerification && !profileMap[id].EmailVerified {
 				l4g.Error("Skipped sending notification email to %v, address not verified. [details: user_id=%v]", profileMap[id].Email, id)
@@ -980,6 +988,13 @@ func DoesNotifyPropsAllowPushNotification(user *model.User, channelNotifyProps m
 	userNotify := userNotifyProps[model.PUSH_NOTIFY_PROP]
 	channelNotify, ok := channelNotifyProps[model.PUSH_NOTIFY_PROP]
 
+	// If the channel is muted do not send push notifications
+	if channelMuted, ok := channelNotifyProps[model.MARK_UNREAD_NOTIFY_PROP]; ok {
+		if channelMuted == model.CHANNEL_MARK_UNREAD_MENTION {
+			return false
+		}
+	}
+
 	if post.IsSystemMessage() {
 		return false
 	}
diff --git a/app/notification_test.go b/app/notification_test.go
index 5fc1d152c..05574eb08 100644
--- a/app/notification_test.go
+++ b/app/notification_test.go
@@ -783,6 +783,14 @@ func TestDoesNotifyPropsAllowPushNotification(t *testing.T) {
 	if DoesNotifyPropsAllowPushNotification(user, channelNotifyProps, post, true) {
 		t.Fatal("Should have returned false")
 	}
+
+	// WHEN default is ALL and channel is MUTED
+	userNotifyProps[model.PUSH_NOTIFY_PROP] = model.USER_NOTIFY_ALL
+	user.NotifyProps = userNotifyProps
+	channelNotifyProps[model.MARK_UNREAD_NOTIFY_PROP] = model.CHANNEL_MARK_UNREAD_MENTION
+	if DoesNotifyPropsAllowPushNotification(user, channelNotifyProps, post, false) {
+		t.Fatal("Should have returned false")
+	}
 }
 
 func TestDoesStatusAllowPushNotification(t *testing.T) {
diff --git a/i18n/en.json b/i18n/en.json
index cf3e88b5a..6b387404b 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -1015,6 +1015,38 @@
     "translation": "shrug"
   },
   {
+    "id": "api.command_mute.desc",
+    "translation": "Turns off desktop, email and push notifications for the current channel or the [channel] specified."
+  },
+  {
+    "id": "api.command_mute.hint",
+    "translation": "[channel]"
+  },
+  {
+    "id": "api.command_mute.name",
+    "translation": "mute"
+  },
+  {
+    "id": "api.command_mute.error",
+    "translation": "Could not find the channel {{.Channel}}."
+  },
+  {
+    "id": "api.command_mute.success_mute",
+    "translation": "You will not receive notifications for {{.Channel}} until channel mute is turned off."
+  },
+  {
+    "id": "api.command_mute.success_unmute",
+    "translation": "{{.Channel}} is no longer muted."
+  },
+  {
+    "id": "api.command_mute.success_mute_direct_msg",
+    "translation": "You will not receive notifications for this channel until channel mute is turned off."
+  },
+  {
+    "id": "api.command_mute.success_unmute_direct_msg",
+    "translation": "This channel is no longer muted."
+  },
+  {
     "id": "api.compliance.init.debug",
     "translation": "Initializing compliance API routes"
   },
@@ -4571,6 +4603,10 @@
     "translation": "Invalid email notification value"
   },
   {
+    "id": "model.channel_member.is_valid.mute_value.app_error",
+    "translation": "Invalid muting value"
+  },
+  {
     "id": "model.channel_member.is_valid.notify_level.app_error",
     "translation": "Invalid notify level"
   },
diff --git a/model/websocket_message.go b/model/websocket_message.go
index 9013ab428..4a547bb6a 100644
--- a/model/websocket_message.go
+++ b/model/websocket_message.go
@@ -10,43 +10,44 @@ import (
 )
 
 const (
-	WEBSOCKET_EVENT_TYPING              = "typing"
-	WEBSOCKET_EVENT_POSTED              = "posted"
-	WEBSOCKET_EVENT_POST_EDITED         = "post_edited"
-	WEBSOCKET_EVENT_POST_DELETED        = "post_deleted"
-	WEBSOCKET_EVENT_CHANNEL_DELETED     = "channel_deleted"
-	WEBSOCKET_EVENT_CHANNEL_CREATED     = "channel_created"
-	WEBSOCKET_EVENT_CHANNEL_UPDATED     = "channel_updated"
-	WEBSOCKET_EVENT_DIRECT_ADDED        = "direct_added"
-	WEBSOCKET_EVENT_GROUP_ADDED         = "group_added"
-	WEBSOCKET_EVENT_NEW_USER            = "new_user"
-	WEBSOCKET_EVENT_ADDED_TO_TEAM       = "added_to_team"
-	WEBSOCKET_EVENT_LEAVE_TEAM          = "leave_team"
-	WEBSOCKET_EVENT_UPDATE_TEAM         = "update_team"
-	WEBSOCKET_EVENT_DELETE_TEAM         = "delete_team"
-	WEBSOCKET_EVENT_USER_ADDED          = "user_added"
-	WEBSOCKET_EVENT_USER_UPDATED        = "user_updated"
-	WEBSOCKET_EVENT_USER_ROLE_UPDATED   = "user_role_updated"
-	WEBSOCKET_EVENT_MEMBERROLE_UPDATED  = "memberrole_updated"
-	WEBSOCKET_EVENT_USER_REMOVED        = "user_removed"
-	WEBSOCKET_EVENT_PREFERENCE_CHANGED  = "preference_changed"
-	WEBSOCKET_EVENT_PREFERENCES_CHANGED = "preferences_changed"
-	WEBSOCKET_EVENT_PREFERENCES_DELETED = "preferences_deleted"
-	WEBSOCKET_EVENT_EPHEMERAL_MESSAGE   = "ephemeral_message"
-	WEBSOCKET_EVENT_STATUS_CHANGE       = "status_change"
-	WEBSOCKET_EVENT_HELLO               = "hello"
-	WEBSOCKET_EVENT_WEBRTC              = "webrtc"
-	WEBSOCKET_AUTHENTICATION_CHALLENGE  = "authentication_challenge"
-	WEBSOCKET_EVENT_REACTION_ADDED      = "reaction_added"
-	WEBSOCKET_EVENT_REACTION_REMOVED    = "reaction_removed"
-	WEBSOCKET_EVENT_RESPONSE            = "response"
-	WEBSOCKET_EVENT_EMOJI_ADDED         = "emoji_added"
-	WEBSOCKET_EVENT_CHANNEL_VIEWED      = "channel_viewed"
-	WEBSOCKET_EVENT_PLUGIN_ACTIVATED    = "plugin_activated"   // EXPERIMENTAL - SUBJECT TO CHANGE
-	WEBSOCKET_EVENT_PLUGIN_DEACTIVATED  = "plugin_deactivated" // EXPERIMENTAL - SUBJECT TO CHANGE
-	WEBSOCKET_EVENT_ROLE_UPDATED        = "role_updated"
-	WEBSOCKET_EVENT_LICENSE_CHANGED     = "license_changed"
-	WEBSOCKET_EVENT_CONFIG_CHANGED      = "config_changed"
+	WEBSOCKET_EVENT_TYPING                 = "typing"
+	WEBSOCKET_EVENT_POSTED                 = "posted"
+	WEBSOCKET_EVENT_POST_EDITED            = "post_edited"
+	WEBSOCKET_EVENT_POST_DELETED           = "post_deleted"
+	WEBSOCKET_EVENT_CHANNEL_DELETED        = "channel_deleted"
+	WEBSOCKET_EVENT_CHANNEL_CREATED        = "channel_created"
+	WEBSOCKET_EVENT_CHANNEL_UPDATED        = "channel_updated"
+	WEBSOCKET_EVENT_CHANNEL_MEMBER_UPDATED = "channel_member_updated"
+	WEBSOCKET_EVENT_DIRECT_ADDED           = "direct_added"
+	WEBSOCKET_EVENT_GROUP_ADDED            = "group_added"
+	WEBSOCKET_EVENT_NEW_USER               = "new_user"
+	WEBSOCKET_EVENT_ADDED_TO_TEAM          = "added_to_team"
+	WEBSOCKET_EVENT_LEAVE_TEAM             = "leave_team"
+	WEBSOCKET_EVENT_UPDATE_TEAM            = "update_team"
+	WEBSOCKET_EVENT_DELETE_TEAM            = "delete_team"
+	WEBSOCKET_EVENT_USER_ADDED             = "user_added"
+	WEBSOCKET_EVENT_USER_UPDATED           = "user_updated"
+	WEBSOCKET_EVENT_USER_ROLE_UPDATED      = "user_role_updated"
+	WEBSOCKET_EVENT_MEMBERROLE_UPDATED     = "memberrole_updated"
+	WEBSOCKET_EVENT_USER_REMOVED           = "user_removed"
+	WEBSOCKET_EVENT_PREFERENCE_CHANGED     = "preference_changed"
+	WEBSOCKET_EVENT_PREFERENCES_CHANGED    = "preferences_changed"
+	WEBSOCKET_EVENT_PREFERENCES_DELETED    = "preferences_deleted"
+	WEBSOCKET_EVENT_EPHEMERAL_MESSAGE      = "ephemeral_message"
+	WEBSOCKET_EVENT_STATUS_CHANGE          = "status_change"
+	WEBSOCKET_EVENT_HELLO                  = "hello"
+	WEBSOCKET_EVENT_WEBRTC                 = "webrtc"
+	WEBSOCKET_AUTHENTICATION_CHALLENGE     = "authentication_challenge"
+	WEBSOCKET_EVENT_REACTION_ADDED         = "reaction_added"
+	WEBSOCKET_EVENT_REACTION_REMOVED       = "reaction_removed"
+	WEBSOCKET_EVENT_RESPONSE               = "response"
+	WEBSOCKET_EVENT_EMOJI_ADDED            = "emoji_added"
+	WEBSOCKET_EVENT_CHANNEL_VIEWED         = "channel_viewed"
+	WEBSOCKET_EVENT_PLUGIN_ACTIVATED       = "plugin_activated"   // EXPERIMENTAL - SUBJECT TO CHANGE
+	WEBSOCKET_EVENT_PLUGIN_DEACTIVATED     = "plugin_deactivated" // EXPERIMENTAL - SUBJECT TO CHANGE
+	WEBSOCKET_EVENT_ROLE_UPDATED           = "role_updated"
+	WEBSOCKET_EVENT_LICENSE_CHANGED        = "license_changed"
+	WEBSOCKET_EVENT_CONFIG_CHANGED         = "config_changed"
 )
 
 type WebSocketMessage interface {