From 257f74873297a6c6b4d14f2d21ffc3adad620c4c Mon Sep 17 00:00:00 2001
From: Christian Claus <ch.claus@me.com>
Date: Wed, 28 Mar 2018 06:02:04 +0200
Subject: [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
---
 app/command_mute.go | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 app/command_mute.go

(limited to 'app/command_mute.go')

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)
+}
-- 
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