Files
mattermost/app/channel.go
Carlos Tadeu Panato Junior 1bcf08aa4b Refactor Get/Create Direct Channel into one function (#9867)
* refactor GetDirectChannel and CreateDirectChannel in one function

* remove CreateDirectChannel plugin api and update GetDirectChannel and GetGroupChannel plugin api

* update tests
2018-11-28 18:01:49 +01:00

1856 lines
60 KiB
Go

// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"fmt"
"net/http"
"strings"
"time"
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/plugin"
"github.com/mattermost/mattermost-server/store"
"github.com/mattermost/mattermost-server/utils"
)
func (a *App) CreateDefaultChannels(teamId string) ([]*model.Channel, *model.AppError) {
townSquare := &model.Channel{DisplayName: utils.T("api.channel.create_default_channels.town_square"), Name: "town-square", Type: model.CHANNEL_OPEN, TeamId: teamId}
if _, err := a.CreateChannel(townSquare, false); err != nil {
return nil, err
}
offTopic := &model.Channel{DisplayName: utils.T("api.channel.create_default_channels.off_topic"), Name: "off-topic", Type: model.CHANNEL_OPEN, TeamId: teamId}
if _, err := a.CreateChannel(offTopic, false); err != nil {
return nil, err
}
channels := []*model.Channel{townSquare, offTopic}
return channels, nil
}
func (a *App) JoinDefaultChannels(teamId string, user *model.User, shouldBeAdmin bool, userRequestorId string) *model.AppError {
var err *model.AppError = nil
var requestor *model.User
if userRequestorId != "" {
u := <-a.Srv.Store.User().Get(userRequestorId)
if u.Err != nil {
return u.Err
}
requestor = u.Data.(*model.User)
}
defaultChannelList := []string{"town-square"}
if len(a.Config().TeamSettings.ExperimentalDefaultChannels) == 0 {
defaultChannelList = append(defaultChannelList, "off-topic")
} else {
seenChannels := map[string]bool{}
for _, channelName := range a.Config().TeamSettings.ExperimentalDefaultChannels {
if !seenChannels[channelName] {
defaultChannelList = append(defaultChannelList, channelName)
seenChannels[channelName] = true
}
}
}
for _, channelName := range defaultChannelList {
if result := <-a.Srv.Store.Channel().GetByName(teamId, channelName, true); result.Err != nil {
err = result.Err
} else {
channel := result.Data.(*model.Channel)
if channel.Type != model.CHANNEL_OPEN {
continue
}
cm := &model.ChannelMember{
ChannelId: channel.Id,
UserId: user.Id,
SchemeUser: true,
SchemeAdmin: shouldBeAdmin,
NotifyProps: model.GetDefaultChannelNotifyProps(),
}
if cmResult := <-a.Srv.Store.Channel().SaveMember(cm); cmResult.Err != nil {
err = cmResult.Err
}
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(user.Id, channel.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
if *a.Config().ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages {
if channel.Name == model.DEFAULT_CHANNEL {
if requestor == nil {
if err := a.postJoinTeamMessage(user, channel); err != nil {
mlog.Error(fmt.Sprint("Failed to post join/leave message", err))
}
} else {
if err := a.postAddToTeamMessage(requestor, user, channel, ""); err != nil {
mlog.Error(fmt.Sprint("Failed to post join/leave message", err))
}
}
} else {
if requestor == nil {
if err := a.postJoinChannelMessage(user, channel); err != nil {
mlog.Error(fmt.Sprint("Failed to post join/leave message", err))
}
} else {
if err := a.PostAddToChannelMessage(requestor, user, channel, ""); err != nil {
mlog.Error(fmt.Sprint("Failed to post join/leave message", err))
}
}
}
}
a.InvalidateCacheForChannelMembers(result.Data.(*model.Channel).Id)
}
}
return err
}
func (a *App) CreateChannelWithUser(channel *model.Channel, userId string) (*model.Channel, *model.AppError) {
if channel.IsGroupOrDirect() {
return nil, model.NewAppError("CreateChannelWithUser", "api.channel.create_channel.direct_channel.app_error", nil, "", http.StatusBadRequest)
}
if strings.Index(channel.Name, "__") > 0 {
return nil, model.NewAppError("CreateChannelWithUser", "api.channel.create_channel.invalid_character.app_error", nil, "", http.StatusBadRequest)
}
if len(channel.TeamId) == 0 {
return nil, model.NewAppError("CreateChannelWithUser", "app.channel.create_channel.no_team_id.app_error", nil, "", http.StatusBadRequest)
}
// Get total number of channels on current team
count, err := a.GetNumberOfChannelsOnTeam(channel.TeamId)
if err != nil {
return nil, err
}
if int64(count+1) > *a.Config().TeamSettings.MaxChannelsPerTeam {
return nil, model.NewAppError("CreateChannelWithUser", "api.channel.create_channel.max_channel_limit.app_error", map[string]interface{}{"MaxChannelsPerTeam": *a.Config().TeamSettings.MaxChannelsPerTeam}, "", http.StatusBadRequest)
}
channel.CreatorId = userId
rchannel, err := a.CreateChannel(channel, true)
if err != nil {
return nil, err
}
var user *model.User
if user, err = a.GetUser(userId); err != nil {
return nil, err
}
a.postJoinChannelMessage(user, channel)
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_CREATED, "", "", userId, nil)
message.Add("channel_id", channel.Id)
message.Add("team_id", channel.TeamId)
a.Publish(message)
return rchannel, nil
}
// RenameChannel is used to rename the channel Name and the DisplayName fields
func (a *App) RenameChannel(channel *model.Channel, newChannelName string, newDisplayName string) (*model.Channel, *model.AppError) {
if channel.Type == model.CHANNEL_DIRECT {
return nil, model.NewAppError("RenameChannel", "api.channel.rename_channel.cant_rename_direct_messages.app_error", nil, "", http.StatusBadRequest)
}
if channel.Type == model.CHANNEL_GROUP {
return nil, model.NewAppError("RenameChannel", "api.channel.rename_channel.cant_rename_group_messages.app_error", nil, "", http.StatusBadRequest)
}
channel.Name = newChannelName
if newDisplayName != "" {
channel.DisplayName = newDisplayName
}
newChannel, err := a.UpdateChannel(channel)
if err != nil {
return nil, err
}
return newChannel, nil
}
func (a *App) CreateChannel(channel *model.Channel, addMember bool) (*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().Save(channel, *a.Config().TeamSettings.MaxChannelsPerTeam)
if result.Err != nil {
return nil, result.Err
}
sc := result.Data.(*model.Channel)
if addMember {
cm := &model.ChannelMember{
ChannelId: sc.Id,
UserId: channel.CreatorId,
SchemeUser: true,
SchemeAdmin: true,
NotifyProps: model.GetDefaultChannelNotifyProps(),
}
if cmresult := <-a.Srv.Store.Channel().SaveMember(cm); cmresult.Err != nil {
return nil, cmresult.Err
}
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(channel.CreatorId, sc.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
a.InvalidateCacheForUser(channel.CreatorId)
}
if pluginsEnvironment := a.GetPluginsEnvironment(); pluginsEnvironment != nil {
a.Srv.Go(func() {
pluginContext := &plugin.Context{}
pluginsEnvironment.RunMultiPluginHook(func(hooks plugin.Hooks) bool {
hooks.ChannelHasBeenCreated(pluginContext, sc)
return true
}, plugin.ChannelHasBeenCreatedId)
})
}
return sc, nil
}
func (a *App) GetOrCreateDirectChannel(userId, otherUserId string) (*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().GetByName("", model.GetDMNameFromIds(userId, otherUserId), true)
if result.Err != nil {
if result.Err.Id == store.MISSING_CHANNEL_ERROR {
channel, err := a.createDirectChannel(userId, otherUserId)
if err != nil {
if err.Id == store.CHANNEL_EXISTS_ERROR {
return channel, nil
}
return nil, err
}
a.WaitForChannelMembership(channel.Id, userId)
a.InvalidateCacheForUser(userId)
a.InvalidateCacheForUser(otherUserId)
if pluginsEnvironment := a.GetPluginsEnvironment(); pluginsEnvironment != nil {
a.Srv.Go(func() {
pluginContext := &plugin.Context{}
pluginsEnvironment.RunMultiPluginHook(func(hooks plugin.Hooks) bool {
hooks.ChannelHasBeenCreated(pluginContext, channel)
return true
}, plugin.ChannelHasBeenCreatedId)
})
}
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_DIRECT_ADDED, "", channel.Id, "", nil)
message.Add("teammate_id", otherUserId)
a.Publish(message)
return channel, nil
}
return nil, model.NewAppError("GetOrCreateDMChannel", "web.incoming_webhook.channel.app_error", nil, "err="+result.Err.Message, result.Err.StatusCode)
}
return result.Data.(*model.Channel), nil
}
func (a *App) createDirectChannel(userId string, otherUserId string) (*model.Channel, *model.AppError) {
uc1 := a.Srv.Store.User().Get(userId)
uc2 := a.Srv.Store.User().Get(otherUserId)
if result := <-uc1; result.Err != nil {
return nil, model.NewAppError("CreateDirectChannel", "api.channel.create_direct_channel.invalid_user.app_error", nil, userId, http.StatusBadRequest)
}
if result := <-uc2; result.Err != nil {
return nil, model.NewAppError("CreateDirectChannel", "api.channel.create_direct_channel.invalid_user.app_error", nil, otherUserId, http.StatusBadRequest)
}
result := <-a.Srv.Store.Channel().CreateDirectChannel(userId, otherUserId)
if result.Err != nil {
if result.Err.Id == store.CHANNEL_EXISTS_ERROR {
return result.Data.(*model.Channel), result.Err
}
return nil, result.Err
}
channel := result.Data.(*model.Channel)
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(userId, channel.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(otherUserId, channel.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
return channel, nil
}
func (a *App) WaitForChannelMembership(channelId string, userId string) {
if len(a.Config().SqlSettings.DataSourceReplicas) == 0 {
return
}
now := model.GetMillis()
for model.GetMillis()-now < 12000 {
time.Sleep(100 * time.Millisecond)
result := <-a.Srv.Store.Channel().GetMember(channelId, userId)
// If the membership was found then return
if result.Err == nil {
return
}
// If we received a error but it wasn't a missing channel member then return
if result.Err.Id != store.MISSING_CHANNEL_MEMBER_ERROR {
return
}
}
mlog.Error(fmt.Sprintf("WaitForChannelMembership giving up channelId=%v userId=%v", channelId, userId), mlog.String("user_id", userId))
}
func (a *App) CreateGroupChannel(userIds []string, creatorId string) (*model.Channel, *model.AppError) {
channel, err := a.createGroupChannel(userIds, creatorId)
if err != nil {
if err.Id == store.CHANNEL_EXISTS_ERROR {
return channel, nil
}
return nil, err
}
for _, userId := range userIds {
if userId == creatorId {
a.WaitForChannelMembership(channel.Id, creatorId)
}
a.InvalidateCacheForUser(userId)
}
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_GROUP_ADDED, "", channel.Id, "", nil)
message.Add("teammate_ids", model.ArrayToJson(userIds))
a.Publish(message)
return channel, nil
}
func (a *App) createGroupChannel(userIds []string, creatorId string) (*model.Channel, *model.AppError) {
if len(userIds) > model.CHANNEL_GROUP_MAX_USERS || len(userIds) < model.CHANNEL_GROUP_MIN_USERS {
return nil, model.NewAppError("CreateGroupChannel", "api.channel.create_group.bad_size.app_error", nil, "", http.StatusBadRequest)
}
result := <-a.Srv.Store.User().GetProfileByIds(userIds, true)
if result.Err != nil {
return nil, result.Err
}
users := result.Data.([]*model.User)
if len(users) != len(userIds) {
return nil, model.NewAppError("CreateGroupChannel", "api.channel.create_group.bad_user.app_error", nil, "user_ids="+model.ArrayToJson(userIds), http.StatusBadRequest)
}
group := &model.Channel{
Name: model.GetGroupNameFromUserIds(userIds),
DisplayName: model.GetGroupDisplayNameFromUsers(users, true),
Type: model.CHANNEL_GROUP,
}
result = <-a.Srv.Store.Channel().Save(group, *a.Config().TeamSettings.MaxChannelsPerTeam)
if result.Err != nil {
if result.Err.Id == store.CHANNEL_EXISTS_ERROR {
return result.Data.(*model.Channel), result.Err
}
return nil, result.Err
}
channel := result.Data.(*model.Channel)
for _, user := range users {
cm := &model.ChannelMember{
UserId: user.Id,
ChannelId: group.Id,
NotifyProps: model.GetDefaultChannelNotifyProps(),
SchemeUser: true,
}
if result := <-a.Srv.Store.Channel().SaveMember(cm); result.Err != nil {
return nil, result.Err
}
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(user.Id, channel.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
}
return channel, nil
}
func (a *App) GetGroupChannel(userIds []string) (*model.Channel, *model.AppError) {
if len(userIds) > model.CHANNEL_GROUP_MAX_USERS || len(userIds) < model.CHANNEL_GROUP_MIN_USERS {
return nil, model.NewAppError("GetGroupChannel", "api.channel.create_group.bad_size.app_error", nil, "", http.StatusBadRequest)
}
result := <-a.Srv.Store.User().GetProfileByIds(userIds, true)
if result.Err != nil {
return nil, result.Err
}
users := result.Data.([]*model.User)
if len(users) != len(userIds) {
return nil, model.NewAppError("GetGroupChannel", "api.channel.create_group.bad_user.app_error", nil, "user_ids="+model.ArrayToJson(userIds), http.StatusBadRequest)
}
channel, err := a.GetChannelByName(model.GetGroupNameFromUserIds(userIds), "", true)
if err != nil {
return nil, err
}
return channel, nil
}
func (a *App) UpdateChannel(channel *model.Channel) (*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().Update(channel)
if result.Err != nil {
return nil, result.Err
}
a.InvalidateCacheForChannel(channel)
messageWs := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_UPDATED, "", channel.Id, "", nil)
messageWs.Add("channel", channel.ToJson())
a.Publish(messageWs)
return channel, nil
}
func (a *App) UpdateChannelScheme(channel *model.Channel) (*model.Channel, *model.AppError) {
var oldChannel *model.Channel
var err *model.AppError
if oldChannel, err = a.GetChannel(channel.Id); err != nil {
return nil, err
}
oldChannel.SchemeId = channel.SchemeId
newChannel, err := a.UpdateChannel(oldChannel)
if err != nil {
return nil, err
}
return newChannel, nil
}
func (a *App) UpdateChannelPrivacy(oldChannel *model.Channel, user *model.User) (*model.Channel, *model.AppError) {
channel, err := a.UpdateChannel(oldChannel)
if err != nil {
return channel, err
}
if err := a.postChannelPrivacyMessage(user, channel); err != nil {
if channel.Type == model.CHANNEL_OPEN {
channel.Type = model.CHANNEL_PRIVATE
} else {
channel.Type = model.CHANNEL_OPEN
}
// revert to previous channel privacy
a.UpdateChannel(channel)
return channel, err
}
a.InvalidateCacheForChannel(channel)
messageWs := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_CONVERTED, channel.TeamId, "", "", nil)
messageWs.Add("channel_id", channel.Id)
a.Publish(messageWs)
return channel, nil
}
func (a *App) postChannelPrivacyMessage(user *model.User, channel *model.Channel) *model.AppError {
message := (map[string]string{
model.CHANNEL_OPEN: utils.T("api.channel.change_channel_privacy.private_to_public"),
model.CHANNEL_PRIVATE: utils.T("api.channel.change_channel_privacy.public_to_private"),
})[channel.Type]
post := &model.Post{
ChannelId: channel.Id,
Message: message,
Type: model.POST_CHANGE_CHANNEL_PRIVACY,
UserId: user.Id,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postChannelPrivacyMessage", "api.channel.post_channel_privacy_message.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) RestoreChannel(channel *model.Channel) (*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().Restore(channel.Id, model.GetMillis())
if result.Err != nil {
return nil, result.Err
}
return channel, nil
}
func (a *App) PatchChannel(channel *model.Channel, patch *model.ChannelPatch, userId string) (*model.Channel, *model.AppError) {
oldChannelDisplayName := channel.DisplayName
oldChannelHeader := channel.Header
oldChannelPurpose := channel.Purpose
channel.Patch(patch)
channel, err := a.UpdateChannel(channel)
if err != nil {
return nil, err
}
if oldChannelDisplayName != channel.DisplayName {
if err := a.PostUpdateChannelDisplayNameMessage(userId, channel, oldChannelDisplayName, channel.DisplayName); err != nil {
mlog.Error(err.Error())
}
}
if channel.Header != oldChannelHeader {
if err := a.PostUpdateChannelHeaderMessage(userId, channel, oldChannelHeader, channel.Header); err != nil {
mlog.Error(err.Error())
}
}
if channel.Purpose != oldChannelPurpose {
if err := a.PostUpdateChannelPurposeMessage(userId, channel, oldChannelPurpose, channel.Purpose); err != nil {
mlog.Error(err.Error())
}
}
return channel, err
}
func (a *App) GetSchemeRolesForChannel(channelId string) (string, string, *model.AppError) {
var channel *model.Channel
var err *model.AppError
if channel, err = a.GetChannel(channelId); err != nil {
return "", "", err
}
if channel.SchemeId != nil && len(*channel.SchemeId) != 0 {
scheme, err := a.GetScheme(*channel.SchemeId)
if err != nil {
return "", "", err
}
return scheme.DefaultChannelUserRole, scheme.DefaultChannelAdminRole, nil
}
var team *model.Team
if team, err = a.GetTeam(channel.TeamId); err != nil {
return "", "", err
}
if team.SchemeId != nil && len(*team.SchemeId) != 0 {
scheme, err := a.GetScheme(*team.SchemeId)
if err != nil {
return "", "", err
}
return scheme.DefaultChannelUserRole, scheme.DefaultChannelAdminRole, nil
}
return model.CHANNEL_USER_ROLE_ID, model.CHANNEL_ADMIN_ROLE_ID, nil
}
func (a *App) UpdateChannelMemberRoles(channelId string, userId string, newRoles string) (*model.ChannelMember, *model.AppError) {
var member *model.ChannelMember
var err *model.AppError
if member, err = a.GetChannelMember(channelId, userId); err != nil {
return nil, err
}
schemeUserRole, schemeAdminRole, err := a.GetSchemeRolesForChannel(channelId)
if err != nil {
return nil, err
}
var newExplicitRoles []string
member.SchemeUser = false
member.SchemeAdmin = false
for _, roleName := range strings.Fields(newRoles) {
role, err := a.GetRoleByName(roleName)
if err != nil {
err.StatusCode = http.StatusBadRequest
return nil, err
}
if !role.SchemeManaged {
// The role is not scheme-managed, so it's OK to apply it to the explicit roles field.
newExplicitRoles = append(newExplicitRoles, roleName)
} else {
// The role is scheme-managed, so need to check if it is part of the scheme for this channel or not.
switch roleName {
case schemeAdminRole:
member.SchemeAdmin = true
case schemeUserRole:
member.SchemeUser = true
default:
// If not part of the scheme for this channel, then it is not allowed to apply it as an explicit role.
return nil, model.NewAppError("UpdateChannelMemberRoles", "api.channel.update_channel_member_roles.scheme_role.app_error", nil, "role_name="+roleName, http.StatusBadRequest)
}
}
}
member.ExplicitRoles = strings.Join(newExplicitRoles, " ")
result := <-a.Srv.Store.Channel().UpdateMember(member)
if result.Err != nil {
return nil, result.Err
}
member = result.Data.(*model.ChannelMember)
a.InvalidateCacheForUser(userId)
return member, nil
}
func (a *App) UpdateChannelMemberSchemeRoles(channelId string, userId string, isSchemeUser bool, isSchemeAdmin bool) (*model.ChannelMember, *model.AppError) {
member, err := a.GetChannelMember(channelId, userId)
if err != nil {
return nil, err
}
member.SchemeAdmin = isSchemeAdmin
member.SchemeUser = isSchemeUser
// If the migration is not completed, we also need to check the default channel_admin/channel_user roles are not present in the roles field.
if err = a.IsPhase2MigrationCompleted(); err != nil {
member.ExplicitRoles = RemoveRoles([]string{model.CHANNEL_USER_ROLE_ID, model.CHANNEL_ADMIN_ROLE_ID}, member.ExplicitRoles)
}
result := <-a.Srv.Store.Channel().UpdateMember(member)
if result.Err != nil {
return nil, result.Err
}
member = result.Data.(*model.ChannelMember)
a.InvalidateCacheForUser(userId)
return member, nil
}
func (a *App) UpdateChannelMemberNotifyProps(data map[string]string, channelId string, userId string) (*model.ChannelMember, *model.AppError) {
var member *model.ChannelMember
var err *model.AppError
if member, err = a.GetChannelMember(channelId, userId); err != nil {
return nil, err
}
// update whichever notify properties have been provided, but don't change the others
if markUnread, exists := data[model.MARK_UNREAD_NOTIFY_PROP]; exists {
member.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] = markUnread
}
if desktop, exists := data[model.DESKTOP_NOTIFY_PROP]; exists {
member.NotifyProps[model.DESKTOP_NOTIFY_PROP] = desktop
}
if email, exists := data[model.EMAIL_NOTIFY_PROP]; exists {
member.NotifyProps[model.EMAIL_NOTIFY_PROP] = email
}
if push, exists := data[model.PUSH_NOTIFY_PROP]; exists {
member.NotifyProps[model.PUSH_NOTIFY_PROP] = push
}
if ignoreChannelMentions, exists := data[model.IGNORE_CHANNEL_MENTIONS_NOTIFY_PROP]; exists {
member.NotifyProps[model.IGNORE_CHANNEL_MENTIONS_NOTIFY_PROP] = ignoreChannelMentions
}
result := <-a.Srv.Store.Channel().UpdateMember(member)
if result.Err != nil {
return nil, result.Err
}
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
}
func (a *App) DeleteChannel(channel *model.Channel, userId string) *model.AppError {
ihc := a.Srv.Store.Webhook().GetIncomingByChannel(channel.Id)
ohc := a.Srv.Store.Webhook().GetOutgoingByChannel(channel.Id, -1, -1)
var user *model.User
if userId != "" {
uc := a.Srv.Store.User().Get(userId)
uresult := <-uc
if uresult.Err != nil {
return uresult.Err
}
user = uresult.Data.(*model.User)
}
ihcresult := <-ihc
if ihcresult.Err != nil {
return ihcresult.Err
}
ohcresult := <-ohc
if ohcresult.Err != nil {
return ohcresult.Err
}
incomingHooks := ihcresult.Data.([]*model.IncomingWebhook)
outgoingHooks := ohcresult.Data.([]*model.OutgoingWebhook)
if channel.DeleteAt > 0 {
err := model.NewAppError("deleteChannel", "api.channel.delete_channel.deleted.app_error", nil, "", http.StatusBadRequest)
return err
}
if channel.Name == model.DEFAULT_CHANNEL {
err := model.NewAppError("deleteChannel", "api.channel.delete_channel.cannot.app_error", map[string]interface{}{"Channel": model.DEFAULT_CHANNEL}, "", http.StatusBadRequest)
return err
}
if user != nil {
T := utils.GetUserTranslations(user.Locale)
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(T("api.channel.delete_channel.archived"), user.Username),
Type: model.POST_CHANNEL_DELETED,
UserId: userId,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
mlog.Error(fmt.Sprintf("Failed to post archive message %v", err))
}
}
now := model.GetMillis()
for _, hook := range incomingHooks {
if result := <-a.Srv.Store.Webhook().DeleteIncoming(hook.Id, now); result.Err != nil {
mlog.Error(fmt.Sprintf("Encountered error deleting incoming webhook, id=%v", hook.Id))
}
a.InvalidateCacheForWebhook(hook.Id)
}
for _, hook := range outgoingHooks {
if result := <-a.Srv.Store.Webhook().DeleteOutgoing(hook.Id, now); result.Err != nil {
mlog.Error(fmt.Sprintf("Encountered error deleting outgoing webhook, id=%v", hook.Id))
}
}
deleteAt := model.GetMillis()
if dresult := <-a.Srv.Store.Channel().Delete(channel.Id, deleteAt); dresult.Err != nil {
return dresult.Err
}
a.InvalidateCacheForChannel(channel)
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_DELETED, channel.TeamId, "", "", nil)
message.Add("channel_id", channel.Id)
message.Add("delete_at", deleteAt)
a.Publish(message)
return nil
}
func (a *App) addUserToChannel(user *model.User, channel *model.Channel, teamMember *model.TeamMember) (*model.ChannelMember, *model.AppError) {
if channel.Type != model.CHANNEL_OPEN && channel.Type != model.CHANNEL_PRIVATE {
return nil, model.NewAppError("AddUserToChannel", "api.channel.add_user_to_channel.type.app_error", nil, "", http.StatusBadRequest)
}
cmchan := a.Srv.Store.Channel().GetMember(channel.Id, user.Id)
if result := <-cmchan; result.Err != nil {
if result.Err.Id != store.MISSING_CHANNEL_MEMBER_ERROR {
return nil, result.Err
}
} else {
channelMember := result.Data.(*model.ChannelMember)
return channelMember, nil
}
newMember := &model.ChannelMember{
ChannelId: channel.Id,
UserId: user.Id,
NotifyProps: model.GetDefaultChannelNotifyProps(),
SchemeUser: true,
}
if result := <-a.Srv.Store.Channel().SaveMember(newMember); result.Err != nil {
mlog.Error(fmt.Sprintf("Failed to add member user_id=%v channel_id=%v err=%v", user.Id, channel.Id, result.Err), mlog.String("user_id", user.Id))
return nil, model.NewAppError("AddUserToChannel", "api.channel.add_user.to.channel.failed.app_error", nil, "", http.StatusInternalServerError)
}
a.WaitForChannelMembership(channel.Id, user.Id)
if result := <-a.Srv.Store.ChannelMemberHistory().LogJoinEvent(user.Id, channel.Id, model.GetMillis()); result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to update ChannelMemberHistory table %v", result.Err))
}
a.InvalidateCacheForUser(user.Id)
a.InvalidateCacheForChannelMembers(channel.Id)
return newMember, nil
}
func (a *App) AddUserToChannel(user *model.User, channel *model.Channel) (*model.ChannelMember, *model.AppError) {
tmchan := a.Srv.Store.Team().GetMember(channel.TeamId, user.Id)
var teamMember *model.TeamMember
result := <-tmchan
if result.Err != nil {
return nil, result.Err
}
teamMember = result.Data.(*model.TeamMember)
if teamMember.DeleteAt > 0 {
return nil, model.NewAppError("AddUserToChannel", "api.channel.add_user.to.channel.failed.deleted.app_error", nil, "", http.StatusBadRequest)
}
newMember, err := a.addUserToChannel(user, channel, teamMember)
if err != nil {
return nil, err
}
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_USER_ADDED, "", channel.Id, "", nil)
message.Add("user_id", user.Id)
message.Add("team_id", channel.TeamId)
a.Publish(message)
return newMember, nil
}
func (a *App) AddChannelMember(userId string, channel *model.Channel, userRequestorId string, postRootId string, clearPushNotifications bool) (*model.ChannelMember, *model.AppError) {
if result := <-a.Srv.Store.Channel().GetMember(channel.Id, userId); result.Err != nil {
if result.Err.Id != store.MISSING_CHANNEL_MEMBER_ERROR {
return nil, result.Err
}
} else {
return result.Data.(*model.ChannelMember), nil
}
var user *model.User
var err *model.AppError
if user, err = a.GetUser(userId); err != nil {
return nil, err
}
var userRequestor *model.User
if userRequestorId != "" {
if userRequestor, err = a.GetUser(userRequestorId); err != nil {
return nil, err
}
}
cm, err := a.AddUserToChannel(user, channel)
if err != nil {
return nil, err
}
if pluginsEnvironment := a.GetPluginsEnvironment(); pluginsEnvironment != nil {
a.Srv.Go(func() {
pluginContext := &plugin.Context{}
pluginsEnvironment.RunMultiPluginHook(func(hooks plugin.Hooks) bool {
hooks.UserHasJoinedChannel(pluginContext, cm, userRequestor)
return true
}, plugin.UserHasJoinedChannelId)
})
}
if userRequestorId == "" || userId == userRequestorId {
a.postJoinChannelMessage(user, channel)
} else {
a.Srv.Go(func() {
a.PostAddToChannelMessage(userRequestor, user, channel, postRootId)
})
}
if userRequestor != nil {
a.MarkChannelsAsViewed([]string{channel.Id}, userRequestor.Id, clearPushNotifications)
}
return cm, nil
}
func (a *App) AddDirectChannels(teamId string, user *model.User) *model.AppError {
var profiles []*model.User
result := <-a.Srv.Store.User().GetProfiles(teamId, 0, 100)
if result.Err != nil {
return model.NewAppError("AddDirectChannels", "api.user.add_direct_channels_and_forget.failed.error", map[string]interface{}{"UserId": user.Id, "TeamId": teamId, "Error": result.Err.Error()}, "", http.StatusInternalServerError)
}
profiles = result.Data.([]*model.User)
var preferences model.Preferences
for _, profile := range profiles {
if profile.Id == user.Id {
continue
}
preference := model.Preference{
UserId: user.Id,
Category: model.PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW,
Name: profile.Id,
Value: "true",
}
preferences = append(preferences, preference)
if len(preferences) >= 10 {
break
}
}
if result := <-a.Srv.Store.Preference().Save(&preferences); result.Err != nil {
return model.NewAppError("AddDirectChannels", "api.user.add_direct_channels_and_forget.failed.error", map[string]interface{}{"UserId": user.Id, "TeamId": teamId, "Error": result.Err.Error()}, "", http.StatusInternalServerError)
}
return nil
}
func (a *App) PostUpdateChannelHeaderMessage(userId string, channel *model.Channel, oldChannelHeader, newChannelHeader string) *model.AppError {
uc := a.Srv.Store.User().Get(userId)
uresult := <-uc
if uresult.Err != nil {
return model.NewAppError("PostUpdateChannelHeaderMessage", "api.channel.post_update_channel_header_message_and_forget.retrieve_user.error", nil, uresult.Err.Error(), http.StatusBadRequest)
}
user := uresult.Data.(*model.User)
var message string
if oldChannelHeader == "" {
message = fmt.Sprintf(utils.T("api.channel.post_update_channel_header_message_and_forget.updated_to"), user.Username, newChannelHeader)
} else if newChannelHeader == "" {
message = fmt.Sprintf(utils.T("api.channel.post_update_channel_header_message_and_forget.removed"), user.Username, oldChannelHeader)
} else {
message = fmt.Sprintf(utils.T("api.channel.post_update_channel_header_message_and_forget.updated_from"), user.Username, oldChannelHeader, newChannelHeader)
}
post := &model.Post{
ChannelId: channel.Id,
Message: message,
Type: model.POST_HEADER_CHANGE,
UserId: userId,
Props: model.StringInterface{
"username": user.Username,
"old_header": oldChannelHeader,
"new_header": newChannelHeader,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("", "api.channel.post_update_channel_header_message_and_forget.post.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) PostUpdateChannelPurposeMessage(userId string, channel *model.Channel, oldChannelPurpose string, newChannelPurpose string) *model.AppError {
uc := a.Srv.Store.User().Get(userId)
uresult := <-uc
if uresult.Err != nil {
return model.NewAppError("PostUpdateChannelPurposeMessage", "app.channel.post_update_channel_purpose_message.retrieve_user.error", nil, uresult.Err.Error(), http.StatusBadRequest)
}
user := uresult.Data.(*model.User)
var message string
if oldChannelPurpose == "" {
message = fmt.Sprintf(utils.T("app.channel.post_update_channel_purpose_message.updated_to"), user.Username, newChannelPurpose)
} else if newChannelPurpose == "" {
message = fmt.Sprintf(utils.T("app.channel.post_update_channel_purpose_message.removed"), user.Username, oldChannelPurpose)
} else {
message = fmt.Sprintf(utils.T("app.channel.post_update_channel_purpose_message.updated_from"), user.Username, oldChannelPurpose, newChannelPurpose)
}
post := &model.Post{
ChannelId: channel.Id,
Message: message,
Type: model.POST_PURPOSE_CHANGE,
UserId: userId,
Props: model.StringInterface{
"username": user.Username,
"old_purpose": oldChannelPurpose,
"new_purpose": newChannelPurpose,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("", "app.channel.post_update_channel_purpose_message.post.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) PostUpdateChannelDisplayNameMessage(userId string, channel *model.Channel, oldChannelDisplayName, newChannelDisplayName string) *model.AppError {
uc := a.Srv.Store.User().Get(userId)
uresult := <-uc
if uresult.Err != nil {
return model.NewAppError("PostUpdateChannelDisplayNameMessage", "api.channel.post_update_channel_displayname_message_and_forget.retrieve_user.error", nil, uresult.Err.Error(), http.StatusBadRequest)
}
user := uresult.Data.(*model.User)
message := fmt.Sprintf(utils.T("api.channel.post_update_channel_displayname_message_and_forget.updated_from"), user.Username, oldChannelDisplayName, newChannelDisplayName)
post := &model.Post{
ChannelId: channel.Id,
Message: message,
Type: model.POST_DISPLAYNAME_CHANGE,
UserId: userId,
Props: model.StringInterface{
"username": user.Username,
"old_displayname": oldChannelDisplayName,
"new_displayname": newChannelDisplayName,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("PostUpdateChannelDisplayNameMessage", "api.channel.post_update_channel_displayname_message_and_forget.create_post.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) GetChannel(channelId string) (*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().Get(channelId, true)
if result.Err != nil {
if result.Err.Id == "store.sql_channel.get.existing.app_error" {
result.Err.StatusCode = http.StatusNotFound
return nil, result.Err
}
result.Err.StatusCode = http.StatusBadRequest
return nil, result.Err
}
return result.Data.(*model.Channel), nil
}
func (a *App) GetChannelByName(channelName, teamId string, includeDeleted bool) (*model.Channel, *model.AppError) {
var result store.StoreResult
if includeDeleted {
result = <-a.Srv.Store.Channel().GetByNameIncludeDeleted(teamId, channelName, false)
} else {
result = <-a.Srv.Store.Channel().GetByName(teamId, channelName, false)
}
if result.Err != nil && result.Err.Id == "store.sql_channel.get_by_name.missing.app_error" {
result.Err.StatusCode = http.StatusNotFound
return nil, result.Err
}
if result.Err != nil {
result.Err.StatusCode = http.StatusBadRequest
return nil, result.Err
}
return result.Data.(*model.Channel), nil
}
func (a *App) GetChannelsByNames(channelNames []string, teamId string) ([]*model.Channel, *model.AppError) {
result := <-a.Srv.Store.Channel().GetByNames(teamId, channelNames, true)
if result.Err != nil {
if result.Err.Id == "store.sql_channel.get_by_name.missing.app_error" {
result.Err.StatusCode = http.StatusNotFound
return nil, result.Err
}
result.Err.StatusCode = http.StatusBadRequest
return nil, result.Err
}
return result.Data.([]*model.Channel), nil
}
func (a *App) GetChannelByNameForTeamName(channelName, teamName string, includeDeleted bool) (*model.Channel, *model.AppError) {
var team *model.Team
result := <-a.Srv.Store.Team().GetByName(teamName)
if result.Err != nil {
result.Err.StatusCode = http.StatusNotFound
return nil, result.Err
}
team = result.Data.(*model.Team)
if includeDeleted {
result = <-a.Srv.Store.Channel().GetByNameIncludeDeleted(team.Id, channelName, false)
} else {
result = <-a.Srv.Store.Channel().GetByName(team.Id, channelName, false)
}
if result.Err != nil && result.Err.Id == "store.sql_channel.get_by_name.missing.app_error" {
result.Err.StatusCode = http.StatusNotFound
return nil, result.Err
}
if result.Err != nil {
result.Err.StatusCode = http.StatusBadRequest
return nil, result.Err
}
return result.Data.(*model.Channel), nil
}
func (a *App) GetChannelsForUser(teamId string, userId string, includeDeleted bool) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetChannels(teamId, userId, includeDeleted)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) GetDeletedChannels(teamId string, offset int, limit int) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetDeleted(teamId, offset, limit)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) GetChannelsUserNotIn(teamId string, userId string, offset int, limit int) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMoreChannels(teamId, userId, offset, limit)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) GetPublicChannelsByIdsForTeam(teamId string, channelIds []string) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetPublicChannelsByIdsForTeam(teamId, channelIds)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) GetPublicChannelsForTeam(teamId string, offset int, limit int) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetPublicChannelsForTeam(teamId, offset, limit)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) GetChannelMember(channelId string, userId string) (*model.ChannelMember, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMember(channelId, userId)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelMember), nil
}
func (a *App) GetChannelMembersPage(channelId string, page, perPage int) (*model.ChannelMembers, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMembers(channelId, page*perPage, perPage)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelMembers), nil
}
func (a *App) GetChannelMembersTimezones(channelId string) ([]string, *model.AppError) {
result := <-a.Srv.Store.Channel().GetChannelMembersTimezones(channelId)
if result.Err != nil {
return nil, result.Err
}
membersTimezones := result.Data.([]map[string]string)
var timezones []string
for _, membersTimezone := range membersTimezones {
if membersTimezone["automaticTimezone"] == "" && membersTimezone["manualTimezone"] == "" {
continue
}
timezones = append(timezones, model.GetPreferredTimezone(membersTimezone))
}
return model.RemoveDuplicateStrings(timezones), nil
}
func (a *App) GetChannelMembersByIds(channelId string, userIds []string) (*model.ChannelMembers, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMembersByIds(channelId, userIds)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelMembers), nil
}
func (a *App) GetChannelMembersForUser(teamId string, userId string) (*model.ChannelMembers, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMembersForUser(teamId, userId)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelMembers), nil
}
func (a *App) GetChannelMemberCount(channelId string) (int64, *model.AppError) {
result := <-a.Srv.Store.Channel().GetMemberCount(channelId, true)
if result.Err != nil {
return 0, result.Err
}
return result.Data.(int64), nil
}
func (a *App) GetChannelCounts(teamId string, userId string) (*model.ChannelCounts, *model.AppError) {
result := <-a.Srv.Store.Channel().GetChannelCounts(teamId, userId)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelCounts), nil
}
func (a *App) GetChannelUnread(channelId, userId string) (*model.ChannelUnread, *model.AppError) {
result := <-a.Srv.Store.Channel().GetChannelUnread(channelId, userId)
if result.Err != nil {
return nil, result.Err
}
channelUnread := result.Data.(*model.ChannelUnread)
if channelUnread.NotifyProps[model.MARK_UNREAD_NOTIFY_PROP] == model.CHANNEL_MARK_UNREAD_MENTION {
channelUnread.MsgCount = 0
}
return channelUnread, nil
}
func (a *App) JoinChannel(channel *model.Channel, userId string) *model.AppError {
userChan := a.Srv.Store.User().Get(userId)
memberChan := a.Srv.Store.Channel().GetMember(channel.Id, userId)
uresult := <-userChan
if uresult.Err != nil {
return uresult.Err
}
mresult := <-memberChan
if mresult.Err == nil && mresult.Data != nil {
// user is already in the channel
return nil
}
user := uresult.Data.(*model.User)
if channel.Type != model.CHANNEL_OPEN {
return model.NewAppError("JoinChannel", "api.channel.join_channel.permissions.app_error", nil, "", http.StatusBadRequest)
}
cm, err := a.AddUserToChannel(user, channel)
if err != nil {
return err
}
if pluginsEnvironment := a.GetPluginsEnvironment(); pluginsEnvironment != nil {
a.Srv.Go(func() {
pluginContext := &plugin.Context{}
pluginsEnvironment.RunMultiPluginHook(func(hooks plugin.Hooks) bool {
hooks.UserHasJoinedChannel(pluginContext, cm, nil)
return true
}, plugin.UserHasJoinedChannelId)
})
}
if err := a.postJoinChannelMessage(user, channel); err != nil {
return err
}
return nil
}
func (a *App) postJoinChannelMessage(user *model.User, channel *model.Channel) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.channel.join_channel.post_and_forget"), user.Username),
Type: model.POST_JOIN_CHANNEL,
UserId: user.Id,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postJoinChannelMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) postJoinTeamMessage(user *model.User, channel *model.Channel) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.team.join_team.post_and_forget"), user.Username),
Type: model.POST_JOIN_TEAM,
UserId: user.Id,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postJoinTeamMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) LeaveChannel(channelId string, userId string) *model.AppError {
sc := a.Srv.Store.Channel().Get(channelId, true)
uc := a.Srv.Store.User().Get(userId)
ccm := a.Srv.Store.Channel().GetMemberCount(channelId, false)
cresult := <-sc
if cresult.Err != nil {
return cresult.Err
}
uresult := <-uc
if uresult.Err != nil {
return cresult.Err
}
ccmresult := <-ccm
if ccmresult.Err != nil {
return ccmresult.Err
}
channel := cresult.Data.(*model.Channel)
user := uresult.Data.(*model.User)
membersCount := ccmresult.Data.(int64)
if channel.IsGroupOrDirect() {
err := model.NewAppError("LeaveChannel", "api.channel.leave.direct.app_error", nil, "", http.StatusBadRequest)
return err
}
if channel.Type == model.CHANNEL_PRIVATE && membersCount == 1 {
err := model.NewAppError("LeaveChannel", "api.channel.leave.last_member.app_error", nil, "userId="+user.Id, http.StatusBadRequest)
return err
}
if err := a.removeUserFromChannel(userId, userId, channel); err != nil {
return err
}
if channel.Name == model.DEFAULT_CHANNEL && !*a.Config().ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages {
return nil
}
a.Srv.Go(func() {
a.postLeaveChannelMessage(user, channel)
})
return nil
}
func (a *App) postLeaveChannelMessage(user *model.User, channel *model.Channel) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.channel.leave.left"), user.Username),
Type: model.POST_LEAVE_CHANNEL,
UserId: user.Id,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postLeaveChannelMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) PostAddToChannelMessage(user *model.User, addedUser *model.User, channel *model.Channel, postRootId string) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.channel.add_member.added"), addedUser.Username, user.Username),
Type: model.POST_ADD_TO_CHANNEL,
UserId: user.Id,
RootId: postRootId,
Props: model.StringInterface{
"userId": user.Id,
"username": user.Username,
model.POST_PROPS_ADDED_USER_ID: addedUser.Id,
"addedUsername": addedUser.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postAddToChannelMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) postAddToTeamMessage(user *model.User, addedUser *model.User, channel *model.Channel, postRootId string) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.team.add_user_to_team.added"), addedUser.Username, user.Username),
Type: model.POST_ADD_TO_TEAM,
UserId: user.Id,
RootId: postRootId,
Props: model.StringInterface{
"userId": user.Id,
"username": user.Username,
model.POST_PROPS_ADDED_USER_ID: addedUser.Id,
"addedUsername": addedUser.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postAddToTeamMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) postRemoveFromChannelMessage(removerUserId string, removedUser *model.User, channel *model.Channel) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.channel.remove_member.removed"), removedUser.Username),
Type: model.POST_REMOVE_FROM_CHANNEL,
UserId: removerUserId,
Props: model.StringInterface{
"removedUserId": removedUser.Id,
"removedUsername": removedUser.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postRemoveFromChannelMessage", "api.channel.post_user_add_remove_message_and_forget.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) removeUserFromChannel(userIdToRemove string, removerUserId string, channel *model.Channel) *model.AppError {
if channel.Name == model.DEFAULT_CHANNEL {
return model.NewAppError("RemoveUserFromChannel", "api.channel.remove.default.app_error", map[string]interface{}{"Channel": model.DEFAULT_CHANNEL}, "", http.StatusBadRequest)
}
cm, err := a.GetChannelMember(channel.Id, userIdToRemove)
if err != nil {
return err
}
if cmresult := <-a.Srv.Store.Channel().RemoveMember(channel.Id, userIdToRemove); cmresult.Err != nil {
return cmresult.Err
}
if cmhResult := <-a.Srv.Store.ChannelMemberHistory().LogLeaveEvent(userIdToRemove, channel.Id, model.GetMillis()); cmhResult.Err != nil {
return cmhResult.Err
}
a.InvalidateCacheForUser(userIdToRemove)
a.InvalidateCacheForChannelMembers(channel.Id)
if pluginsEnvironment := a.GetPluginsEnvironment(); pluginsEnvironment != nil {
var actorUser *model.User
if removerUserId != "" {
actorUser, _ = a.GetUser(removerUserId)
}
a.Srv.Go(func() {
pluginContext := &plugin.Context{}
pluginsEnvironment.RunMultiPluginHook(func(hooks plugin.Hooks) bool {
hooks.UserHasLeftChannel(pluginContext, cm, actorUser)
return true
}, plugin.UserHasLeftChannelId)
})
}
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_USER_REMOVED, "", channel.Id, "", nil)
message.Add("user_id", userIdToRemove)
message.Add("remover_id", removerUserId)
a.Publish(message)
// because the removed user no longer belongs to the channel we need to send a separate websocket event
userMsg := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_USER_REMOVED, "", "", userIdToRemove, nil)
userMsg.Add("channel_id", channel.Id)
userMsg.Add("remover_id", removerUserId)
a.Publish(userMsg)
return nil
}
func (a *App) RemoveUserFromChannel(userIdToRemove string, removerUserId string, channel *model.Channel) *model.AppError {
var err *model.AppError
if err = a.removeUserFromChannel(userIdToRemove, removerUserId, channel); err != nil {
return err
}
var user *model.User
if user, err = a.GetUser(userIdToRemove); err != nil {
return err
}
if userIdToRemove == removerUserId {
a.postLeaveChannelMessage(user, channel)
} else {
a.Srv.Go(func() {
a.postRemoveFromChannelMessage(removerUserId, user, channel)
})
}
return nil
}
func (a *App) GetNumberOfChannelsOnTeam(teamId string) (int, *model.AppError) {
// Get total number of channels on current team
result := <-a.Srv.Store.Channel().GetTeamChannels(teamId)
if result.Err != nil {
return 0, result.Err
}
return len(*result.Data.(*model.ChannelList)), nil
}
func (a *App) SetActiveChannel(userId string, channelId string) *model.AppError {
status, err := a.GetStatus(userId)
oldStatus := model.STATUS_OFFLINE
if err != nil {
status = &model.Status{UserId: userId, Status: model.STATUS_ONLINE, Manual: false, LastActivityAt: model.GetMillis(), ActiveChannel: channelId}
} else {
oldStatus = status.Status
status.ActiveChannel = channelId
if !status.Manual && channelId != "" {
status.Status = model.STATUS_ONLINE
}
status.LastActivityAt = model.GetMillis()
}
a.AddStatusCache(status)
if status.Status != oldStatus {
a.BroadcastStatus(status)
}
return nil
}
func (a *App) UpdateChannelLastViewedAt(channelIds []string, userId string) *model.AppError {
if result := <-a.Srv.Store.Channel().UpdateLastViewedAt(channelIds, userId); result.Err != nil {
return result.Err
}
if *a.Config().ServiceSettings.EnableChannelViewedMessages {
for _, channelId := range channelIds {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_VIEWED, "", "", userId, nil)
message.Add("channel_id", channelId)
a.Publish(message)
}
}
return nil
}
func (a *App) AutocompleteChannels(teamId string, term string) (*model.ChannelList, *model.AppError) {
includeDeleted := *a.Config().TeamSettings.ExperimentalViewArchivedChannels
result := <-a.Srv.Store.Channel().AutocompleteInTeam(teamId, term, includeDeleted)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) AutocompleteChannelsForSearch(teamId string, userId string, term string) (*model.ChannelList, *model.AppError) {
includeDeleted := *a.Config().TeamSettings.ExperimentalViewArchivedChannels
result := <-a.Srv.Store.Channel().AutocompleteInTeamForSearch(teamId, userId, term, includeDeleted)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) SearchChannels(teamId string, term string) (*model.ChannelList, *model.AppError) {
includeDeleted := *a.Config().TeamSettings.ExperimentalViewArchivedChannels
result := <-a.Srv.Store.Channel().SearchInTeam(teamId, term, includeDeleted)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) SearchChannelsUserNotIn(teamId string, userId string, term string) (*model.ChannelList, *model.AppError) {
result := <-a.Srv.Store.Channel().SearchMore(userId, teamId, term)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.ChannelList), nil
}
func (a *App) MarkChannelsAsViewed(channelIds []string, userId string, clearPushNotifications bool) (map[string]int64, *model.AppError) {
// I start looking for channels with notifications before I mark it as read, to clear the push notifications if needed
channelsToClearPushNotifications := []string{}
if *a.Config().EmailSettings.SendPushNotifications && clearPushNotifications {
for _, channelId := range channelIds {
if model.IsValidId(channelId) {
result := <-a.Srv.Store.Channel().GetMember(channelId, userId)
if result.Err != nil {
mlog.Warn(fmt.Sprintf("Failed to get membership %v", result.Err))
continue
}
member := result.Data.(*model.ChannelMember)
notify := member.NotifyProps[model.PUSH_NOTIFY_PROP]
if notify == model.CHANNEL_NOTIFY_DEFAULT {
user, _ := a.GetUser(userId)
notify = user.NotifyProps[model.PUSH_NOTIFY_PROP]
}
if notify == model.USER_NOTIFY_ALL {
if result := <-a.Srv.Store.User().GetAnyUnreadPostCountForChannel(userId, channelId); result.Err == nil {
if result.Data.(int64) > 0 {
channelsToClearPushNotifications = append(channelsToClearPushNotifications, channelId)
}
}
} else if notify == model.USER_NOTIFY_MENTION {
if result := <-a.Srv.Store.User().GetUnreadCountForChannel(userId, channelId); result.Err == nil {
if result.Data.(int64) > 0 {
channelsToClearPushNotifications = append(channelsToClearPushNotifications, channelId)
}
}
}
}
}
}
result := <-a.Srv.Store.Channel().UpdateLastViewedAt(channelIds, userId)
if result.Err != nil {
return nil, result.Err
}
times := result.Data.(map[string]int64)
if *a.Config().ServiceSettings.EnableChannelViewedMessages {
for _, channelId := range channelIds {
if model.IsValidId(channelId) {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_VIEWED, "", "", userId, nil)
message.Add("channel_id", channelId)
a.Publish(message)
}
}
}
for _, channelId := range channelsToClearPushNotifications {
a.ClearPushNotification(userId, channelId)
}
return times, nil
}
func (a *App) ViewChannel(view *model.ChannelView, userId string, clearPushNotifications bool) (map[string]int64, *model.AppError) {
if err := a.SetActiveChannel(userId, view.ChannelId); err != nil {
return nil, err
}
channelIds := []string{}
if len(view.ChannelId) > 0 {
channelIds = append(channelIds, view.ChannelId)
}
if len(view.PrevChannelId) > 0 {
channelIds = append(channelIds, view.PrevChannelId)
}
if len(channelIds) == 0 {
return map[string]int64{}, nil
}
return a.MarkChannelsAsViewed(channelIds, userId, clearPushNotifications)
}
func (a *App) PermanentDeleteChannel(channel *model.Channel) *model.AppError {
if result := <-a.Srv.Store.Post().PermanentDeleteByChannel(channel.Id); result.Err != nil {
return result.Err
}
if result := <-a.Srv.Store.Channel().PermanentDeleteMembersByChannel(channel.Id); result.Err != nil {
return result.Err
}
if result := <-a.Srv.Store.Webhook().PermanentDeleteIncomingByChannel(channel.Id); result.Err != nil {
return result.Err
}
if result := <-a.Srv.Store.Webhook().PermanentDeleteOutgoingByChannel(channel.Id); result.Err != nil {
return result.Err
}
if result := <-a.Srv.Store.Channel().PermanentDelete(channel.Id); result.Err != nil {
return result.Err
}
return nil
}
// This function is intended for use from the CLI. It is not robust against people joining the channel while the move
// is in progress, and therefore should not be used from the API without first fixing this potential race condition.
func (a *App) MoveChannel(team *model.Team, channel *model.Channel, user *model.User, removeDeactivatedMembers bool) *model.AppError {
if removeDeactivatedMembers {
if result := <-a.Srv.Store.Channel().RemoveAllDeactivatedMembers(channel.Id); result.Err != nil {
return result.Err
}
}
// Check that all channel members are in the destination team.
channelMembers, err := a.GetChannelMembersPage(channel.Id, 0, 10000000)
if err != nil {
return err
}
channelMemberIds := []string{}
for _, channelMember := range *channelMembers {
channelMemberIds = append(channelMemberIds, channelMember.UserId)
}
if len(channelMemberIds) > 0 {
teamMembers, err2 := a.GetTeamMembersByIds(team.Id, channelMemberIds)
if err2 != nil {
return err2
}
if len(teamMembers) != len(*channelMembers) {
return model.NewAppError("MoveChannel", "app.channel.move_channel.members_do_not_match.error", nil, "", http.StatusInternalServerError)
}
}
// keep instance of the previous team
var previousTeam *model.Team
result := <-a.Srv.Store.Team().Get(channel.TeamId)
if result.Err != nil {
return result.Err
}
previousTeam = result.Data.(*model.Team)
channel.TeamId = team.Id
if result := <-a.Srv.Store.Channel().Update(channel); result.Err != nil {
return result.Err
}
a.postChannelMoveMessage(user, channel, previousTeam)
return nil
}
func (a *App) postChannelMoveMessage(user *model.User, channel *model.Channel, previousTeam *model.Team) *model.AppError {
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(utils.T("api.team.move_channel.success"), previousTeam.Name),
Type: model.POST_MOVE_CHANNEL,
UserId: user.Id,
Props: model.StringInterface{
"username": user.Username,
},
}
if _, err := a.CreatePost(post, channel, false); err != nil {
return model.NewAppError("postChannelMoveMessage", "api.team.move_channel.post.error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (a *App) GetPinnedPosts(channelId string) (*model.PostList, *model.AppError) {
result := <-a.Srv.Store.Channel().GetPinnedPosts(channelId)
if result.Err != nil {
return nil, result.Err
}
return result.Data.(*model.PostList), nil
}
func (a *App) ToggleMuteChannel(channelId string, userId string) *model.ChannelMember {
result := <-a.Srv.Store.Channel().GetMember(channelId, userId)
if result.Err != nil {
return nil
}
member := result.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
}
func (a *App) FillInChannelProps(channel *model.Channel) *model.AppError {
return a.FillInChannelsProps(&model.ChannelList{channel})
}
func (a *App) FillInChannelsProps(channelList *model.ChannelList) *model.AppError {
// Group the channels by team and call GetChannelsByNames just once per team.
channelsByTeam := make(map[string]model.ChannelList)
for _, channel := range *channelList {
channelsByTeam[channel.TeamId] = append(channelsByTeam[channel.TeamId], channel)
}
for teamId, channelList := range channelsByTeam {
allChannelMentions := make(map[string]bool)
channelMentions := make(map[*model.Channel][]string, len(channelList))
// Collect mentions across the channels so as to query just once for this team.
for _, channel := range channelList {
channelMentions[channel] = model.ChannelMentions(channel.Header)
for _, channelMention := range channelMentions[channel] {
allChannelMentions[channelMention] = true
}
}
allChannelMentionNames := make([]string, 0, len(allChannelMentions))
for channelName := range allChannelMentions {
allChannelMentionNames = append(allChannelMentionNames, channelName)
}
if len(allChannelMentionNames) > 0 {
mentionedChannels, err := a.GetChannelsByNames(allChannelMentionNames, teamId)
if err != nil {
return err
}
mentionedChannelsByName := make(map[string]*model.Channel)
for _, channel := range mentionedChannels {
mentionedChannelsByName[channel.Name] = channel
}
for _, channel := range channelList {
channelMentionsProp := make(map[string]interface{}, len(channelMentions[channel]))
for _, channelMention := range channelMentions[channel] {
if mentioned, ok := mentionedChannelsByName[channelMention]; ok {
if mentioned.Type == model.CHANNEL_OPEN {
channelMentionsProp[mentioned.Name] = map[string]interface{}{
"display_name": mentioned.DisplayName,
}
}
}
}
if len(channelMentionsProp) > 0 {
channel.AddProp("channel_mentions", channelMentionsProp)
} else if channel.Props != nil {
delete(channel.Props, "channel_mentions")
}
}
}
}
return nil
}