[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

1 files changed, 114 insertions, 0 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")
+	}
+}