forked from mattermost/mattermost
/
channel.go
1185 lines (962 loc) · 36.4 KB
/
channel.go
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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package api
import (
"fmt"
"net/http"
"strings"
l4g "github.com/alecthomas/log4go"
"github.com/gorilla/mux"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/store"
"github.com/mattermost/platform/utils"
)
func InitChannel() {
l4g.Debug(utils.T("api.channel.init.debug"))
BaseRoutes.Channels.Handle("/", ApiUserRequired(getChannels)).Methods("GET")
BaseRoutes.Channels.Handle("/more", ApiUserRequired(getMoreChannels)).Methods("GET")
BaseRoutes.Channels.Handle("/counts", ApiUserRequired(getChannelCounts)).Methods("GET")
BaseRoutes.Channels.Handle("/members", ApiUserRequired(getMyChannelMembers)).Methods("GET")
BaseRoutes.Channels.Handle("/create", ApiUserRequired(createChannel)).Methods("POST")
BaseRoutes.Channels.Handle("/create_direct", ApiUserRequired(createDirectChannel)).Methods("POST")
BaseRoutes.Channels.Handle("/update", ApiUserRequired(updateChannel)).Methods("POST")
BaseRoutes.Channels.Handle("/update_header", ApiUserRequired(updateChannelHeader)).Methods("POST")
BaseRoutes.Channels.Handle("/update_purpose", ApiUserRequired(updateChannelPurpose)).Methods("POST")
BaseRoutes.Channels.Handle("/update_notify_props", ApiUserRequired(updateNotifyProps)).Methods("POST")
BaseRoutes.NeedChannelName.Handle("/join", ApiUserRequired(join)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/", ApiUserRequired(getChannel)).Methods("GET")
BaseRoutes.NeedChannel.Handle("/stats", ApiUserRequired(getChannelStats)).Methods("GET")
BaseRoutes.NeedChannel.Handle("/members/{user_id:[A-Za-z0-9]+}", ApiUserRequired(getChannelMember)).Methods("GET")
BaseRoutes.NeedChannel.Handle("/join", ApiUserRequired(join)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/leave", ApiUserRequired(leave)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/delete", ApiUserRequired(deleteChannel)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/add", ApiUserRequired(addMember)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/remove", ApiUserRequired(removeMember)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/update_last_viewed_at", ApiUserRequired(updateLastViewedAt)).Methods("POST")
BaseRoutes.NeedChannel.Handle("/set_last_viewed_at", ApiUserRequired(setLastViewedAt)).Methods("POST")
}
func createChannel(c *Context, w http.ResponseWriter, r *http.Request) {
channel := model.ChannelFromJson(r.Body)
if channel == nil {
c.SetInvalidParam("createChannel", "channel")
return
}
if len(channel.TeamId) == 0 {
channel.TeamId = c.TeamId
}
if channel.Type == model.CHANNEL_DIRECT {
c.Err = model.NewLocAppError("createDirectChannel", "api.channel.create_channel.direct_channel.app_error", nil, "")
return
}
if strings.Index(channel.Name, "__") > 0 {
c.Err = model.NewLocAppError("createDirectChannel", "api.channel.create_channel.invalid_character.app_error", nil, "")
return
}
if channel.Type == model.CHANNEL_OPEN && !HasPermissionToTeamContext(c, channel.TeamId, model.PERMISSION_CREATE_PUBLIC_CHANNEL) {
return
}
if channel.Type == model.CHANNEL_PRIVATE && !HasPermissionToTeamContext(c, channel.TeamId, model.PERMISSION_CREATE_PRIVATE_CHANNEL) {
return
}
if channel.TeamId == c.TeamId {
// Get total number of channels on current team
if result := <-Srv.Store.Channel().GetTeamChannels(channel.TeamId); result.Err != nil {
c.Err = model.NewLocAppError("createChannel", "api.channel.get_channels.error", nil, result.Err.Message)
return
} else {
data := result.Data.(*model.ChannelList)
if int64(len(*data)+1) > *utils.Cfg.TeamSettings.MaxChannelsPerTeam {
c.Err = model.NewLocAppError("createChannel", "api.channel.create_channel.max_channel_limit.app_error", map[string]interface{}{"MaxChannelsPerTeam": *utils.Cfg.TeamSettings.MaxChannelsPerTeam}, "")
return
}
}
}
channel.CreatorId = c.Session.UserId
if sc, err := CreateChannel(c, channel, true); err != nil {
c.Err = err
return
} else {
w.Write([]byte(sc.ToJson()))
}
}
func CreateChannel(c *Context, channel *model.Channel, addMember bool) (*model.Channel, *model.AppError) {
if result := <-Srv.Store.Channel().Save(channel); result.Err != nil {
return nil, result.Err
} else {
sc := result.Data.(*model.Channel)
if addMember {
cm := &model.ChannelMember{
ChannelId: sc.Id,
UserId: c.Session.UserId,
Roles: model.ROLE_CHANNEL_USER.Id + " " + model.ROLE_CHANNEL_ADMIN.Id,
NotifyProps: model.GetDefaultChannelNotifyProps(),
}
if cmresult := <-Srv.Store.Channel().SaveMember(cm); cmresult.Err != nil {
return nil, cmresult.Err
}
}
c.LogAudit("name=" + channel.Name)
return sc, nil
}
}
func createDirectChannel(c *Context, w http.ResponseWriter, r *http.Request) {
if !HasPermissionToContext(c, model.PERMISSION_CREATE_DIRECT_CHANNEL) {
return
}
data := model.MapFromJson(r.Body)
userId := data["user_id"]
if len(userId) != 26 {
c.SetInvalidParam("createDirectChannel", "user_id")
return
}
if sc, err := CreateDirectChannel(c.Session.UserId, userId); err != nil {
c.Err = err
return
} else {
w.Write([]byte(sc.ToJson()))
}
}
func CreateDirectChannel(userId string, otherUserId string) (*model.Channel, *model.AppError) {
uc := Srv.Store.User().Get(otherUserId)
if uresult := <-uc; uresult.Err != nil {
return nil, model.NewLocAppError("CreateDirectChannel", "api.channel.create_direct_channel.invalid_user.app_error", nil, otherUserId)
}
if result := <-Srv.Store.Channel().CreateDirectChannel(userId, otherUserId); result.Err != nil {
if result.Err.Id == store.CHANNEL_EXISTS_ERROR {
return result.Data.(*model.Channel), nil
} else {
return nil, result.Err
}
} else {
channel := result.Data.(*model.Channel)
InvalidateCacheForUser(userId)
InvalidateCacheForUser(otherUserId)
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_DIRECT_ADDED, "", channel.Id, "", nil)
message.Add("teammate_id", otherUserId)
go Publish(message)
return channel, nil
}
}
func CreateDefaultChannels(c *Context, teamId string) ([]*model.Channel, *model.AppError) {
townSquare := &model.Channel{DisplayName: c.T("api.channel.create_default_channels.town_square"), Name: "town-square", Type: model.CHANNEL_OPEN, TeamId: teamId}
if _, err := CreateChannel(c, townSquare, false); err != nil {
return nil, err
}
offTopic := &model.Channel{DisplayName: c.T("api.channel.create_default_channels.off_topic"), Name: "off-topic", Type: model.CHANNEL_OPEN, TeamId: teamId}
if _, err := CreateChannel(c, offTopic, false); err != nil {
return nil, err
}
channels := []*model.Channel{townSquare, offTopic}
return channels, nil
}
func CanManageChannel(c *Context, channel *model.Channel) bool {
if channel.Type == model.CHANNEL_OPEN && !HasPermissionToChannelContext(c, channel.Id, model.PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES) {
return false
}
if channel.Type == model.CHANNEL_PRIVATE && !HasPermissionToChannelContext(c, channel.Id, model.PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES) {
return false
}
return true
}
func updateChannel(c *Context, w http.ResponseWriter, r *http.Request) {
channel := model.ChannelFromJson(r.Body)
if channel == nil {
c.SetInvalidParam("updateChannel", "channel")
return
}
sc := Srv.Store.Channel().Get(channel.Id)
cmc := Srv.Store.Channel().GetMember(channel.Id, c.Session.UserId)
if cresult := <-sc; cresult.Err != nil {
c.Err = cresult.Err
return
} else if cmcresult := <-cmc; cmcresult.Err != nil {
c.Err = cmcresult.Err
return
} else {
oldChannel := cresult.Data.(*model.Channel)
// Don't need to do anything with channel member, just wanted to confirm it exists
if !CanManageChannel(c, channel) {
return
}
if oldChannel.DeleteAt > 0 {
c.Err = model.NewLocAppError("updateChannel", "api.channel.update_channel.deleted.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if oldChannel.Name == model.DEFAULT_CHANNEL {
if (len(channel.Name) > 0 && channel.Name != oldChannel.Name) || (len(channel.Type) > 0 && channel.Type != oldChannel.Type) {
c.Err = model.NewLocAppError("updateChannel", "api.channel.update_channel.tried.app_error", map[string]interface{}{"Channel": model.DEFAULT_CHANNEL}, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
}
oldChannel.Header = channel.Header
oldChannel.Purpose = channel.Purpose
if len(channel.DisplayName) > 0 {
oldChannel.DisplayName = channel.DisplayName
}
if len(channel.Name) > 0 {
oldChannel.Name = channel.Name
}
if len(channel.Type) > 0 {
oldChannel.Type = channel.Type
}
if ucresult := <-Srv.Store.Channel().Update(oldChannel); ucresult.Err != nil {
c.Err = ucresult.Err
return
} else {
c.LogAudit("name=" + channel.Name)
w.Write([]byte(oldChannel.ToJson()))
}
}
}
func updateChannelHeader(c *Context, w http.ResponseWriter, r *http.Request) {
props := model.MapFromJson(r.Body)
channelId := props["channel_id"]
if len(channelId) != 26 {
c.SetInvalidParam("updateChannelHeader", "channel_id")
return
}
channelHeader := props["channel_header"]
if len(channelHeader) > 1024 {
c.SetInvalidParam("updateChannelHeader", "channel_header")
return
}
sc := Srv.Store.Channel().Get(channelId)
cmc := Srv.Store.Channel().GetMember(channelId, c.Session.UserId)
if cresult := <-sc; cresult.Err != nil {
c.Err = cresult.Err
return
} else if cmcresult := <-cmc; cmcresult.Err != nil {
c.Err = cmcresult.Err
return
} else {
channel := cresult.Data.(*model.Channel)
// Don't need to do anything with channel member, just wanted to confirm it exists
if !CanManageChannel(c, channel) {
return
}
oldChannelHeader := channel.Header
channel.Header = channelHeader
if ucresult := <-Srv.Store.Channel().Update(channel); ucresult.Err != nil {
c.Err = ucresult.Err
return
} else {
go PostUpdateChannelHeaderMessage(c, channel.Id, oldChannelHeader, channelHeader)
c.LogAudit("name=" + channel.Name)
w.Write([]byte(channel.ToJson()))
}
}
}
func PostUpdateChannelHeaderMessage(c *Context, channelId string, oldChannelHeader, newChannelHeader string) {
uc := Srv.Store.User().Get(c.Session.UserId)
if uresult := <-uc; uresult.Err != nil {
l4g.Error(utils.T("api.channel.post_update_channel_header_message_and_forget.retrieve_user.error"), uresult.Err)
return
} else {
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: channelId,
Message: message,
Type: model.POST_HEADER_CHANGE,
UserId: c.Session.UserId,
Props: model.StringInterface{
"old_header": oldChannelHeader,
"new_header": newChannelHeader,
},
}
if _, err := CreatePost(c, post, false); err != nil {
l4g.Error(utils.T("api.channel.post_update_channel_header_message_and_forget.join_leave.error"), err)
}
}
}
func updateChannelPurpose(c *Context, w http.ResponseWriter, r *http.Request) {
props := model.MapFromJson(r.Body)
channelId := props["channel_id"]
if len(channelId) != 26 {
c.SetInvalidParam("updateChannelPurpose", "channel_id")
return
}
channelPurpose := props["channel_purpose"]
if len(channelPurpose) > 1024 {
c.SetInvalidParam("updateChannelPurpose", "channel_purpose")
return
}
sc := Srv.Store.Channel().Get(channelId)
cmc := Srv.Store.Channel().GetMember(channelId, c.Session.UserId)
if cresult := <-sc; cresult.Err != nil {
c.Err = cresult.Err
return
} else if cmcresult := <-cmc; cmcresult.Err != nil {
c.Err = cmcresult.Err
return
} else {
channel := cresult.Data.(*model.Channel)
// Don't need to do anything with channel member, just wanted to confirm it exists
if !CanManageChannel(c, channel) {
return
}
channel.Purpose = channelPurpose
if ucresult := <-Srv.Store.Channel().Update(channel); ucresult.Err != nil {
c.Err = ucresult.Err
return
} else {
c.LogAudit("name=" + channel.Name)
w.Write([]byte(channel.ToJson()))
}
}
}
func getChannels(c *Context, w http.ResponseWriter, r *http.Request) {
// user is already in the team
// Get's all channels the user is a member of
if result := <-Srv.Store.Channel().GetChannels(c.TeamId, c.Session.UserId); result.Err != nil {
if result.Err.Id == "store.sql_channel.get_channels.not_found.app_error" {
// lets make sure the user is valid
if result := <-Srv.Store.User().Get(c.Session.UserId); result.Err != nil {
c.Err = result.Err
c.RemoveSessionCookie(w, r)
l4g.Error(utils.T("api.channel.get_channels.error"), c.Session.UserId)
return
}
}
c.Err = result.Err
return
} else if HandleEtag(result.Data.(*model.ChannelList).Etag(), w, r) {
return
} else {
data := result.Data.(*model.ChannelList)
w.Header().Set(model.HEADER_ETAG_SERVER, data.Etag())
w.Write([]byte(data.ToJson()))
}
}
func getMoreChannels(c *Context, w http.ResponseWriter, r *http.Request) {
// user is already in the team
if !HasPermissionToTeamContext(c, c.TeamId, model.PERMISSION_LIST_TEAM_CHANNELS) {
return
}
if result := <-Srv.Store.Channel().GetMoreChannels(c.TeamId, c.Session.UserId); result.Err != nil {
c.Err = result.Err
return
} else if HandleEtag(result.Data.(*model.ChannelList).Etag(), w, r) {
return
} else {
data := result.Data.(*model.ChannelList)
w.Header().Set(model.HEADER_ETAG_SERVER, data.Etag())
w.Write([]byte(data.ToJson()))
}
}
func getChannelCounts(c *Context, w http.ResponseWriter, r *http.Request) {
// user is already in the team
if result := <-Srv.Store.Channel().GetChannelCounts(c.TeamId, c.Session.UserId); result.Err != nil {
c.Err = model.NewLocAppError("getChannelCounts", "api.channel.get_channel_counts.app_error", nil, result.Err.Message)
return
} else if HandleEtag(result.Data.(*model.ChannelCounts).Etag(), w, r) {
return
} else {
data := result.Data.(*model.ChannelCounts)
w.Header().Set(model.HEADER_ETAG_SERVER, data.Etag())
w.Write([]byte(data.ToJson()))
}
}
func join(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
channelId := params["channel_id"]
channelName := params["channel_name"]
var outChannel *model.Channel = nil
if channelId != "" {
if err, channel := JoinChannelById(c, c.Session.UserId, channelId); err != nil {
c.Err = err
c.Err.StatusCode = http.StatusForbidden
return
} else {
outChannel = channel
}
} else if channelName != "" {
if err, channel := JoinChannelByName(c, c.Session.UserId, c.TeamId, channelName); err != nil {
c.Err = err
c.Err.StatusCode = http.StatusForbidden
return
} else {
outChannel = channel
}
} else {
c.SetInvalidParam("join", "channel_id, channel_name")
return
}
w.Write([]byte(outChannel.ToJson()))
}
func JoinChannelByName(c *Context, userId string, teamId string, channelName string) (*model.AppError, *model.Channel) {
channelChannel := Srv.Store.Channel().GetByName(teamId, channelName)
userChannel := Srv.Store.User().Get(userId)
return joinChannel(c, channelChannel, userChannel)
}
func JoinChannelById(c *Context, userId string, channelId string) (*model.AppError, *model.Channel) {
channelChannel := Srv.Store.Channel().Get(channelId)
userChannel := Srv.Store.User().Get(userId)
return joinChannel(c, channelChannel, userChannel)
}
func joinChannel(c *Context, channelChannel store.StoreChannel, userChannel store.StoreChannel) (*model.AppError, *model.Channel) {
if cresult := <-channelChannel; cresult.Err != nil {
return cresult.Err, nil
} else if uresult := <-userChannel; uresult.Err != nil {
return uresult.Err, nil
} else {
channel := cresult.Data.(*model.Channel)
user := uresult.Data.(*model.User)
if mresult := <-Srv.Store.Channel().GetMember(channel.Id, user.Id); mresult.Err == nil && mresult.Data != nil {
// the user is already in the channel so just return successful
return nil, channel
}
if !HasPermissionToTeamContext(c, channel.TeamId, model.PERMISSION_JOIN_PUBLIC_CHANNELS) {
return c.Err, nil
}
if channel.Type == model.CHANNEL_OPEN {
if _, err := AddUserToChannel(user, channel); err != nil {
return err, nil
}
go PostUserAddRemoveMessage(c, channel.Id, fmt.Sprintf(utils.T("api.channel.join_channel.post_and_forget"), user.Username), model.POST_JOIN_LEAVE)
} else {
return model.NewLocAppError("join", "api.channel.join_channel.permissions.app_error", nil, ""), nil
}
return nil, channel
}
}
func PostUserAddRemoveMessage(c *Context, channelId string, message, postType string) {
post := &model.Post{
ChannelId: channelId,
Message: message,
Type: postType,
UserId: c.Session.UserId,
}
if _, err := CreatePost(c, post, false); err != nil {
l4g.Error(utils.T("api.channel.post_user_add_remove_message_and_forget.error"), err)
}
}
func AddUserToChannel(user *model.User, channel *model.Channel) (*model.ChannelMember, *model.AppError) {
if channel.DeleteAt > 0 {
return nil, model.NewLocAppError("AddUserToChannel", "api.channel.add_user_to_channel.deleted.app_error", nil, "")
}
if channel.Type != model.CHANNEL_OPEN && channel.Type != model.CHANNEL_PRIVATE {
return nil, model.NewLocAppError("AddUserToChannel", "api.channel.add_user_to_channel.type.app_error", nil, "")
}
tmchan := Srv.Store.Team().GetMember(channel.TeamId, user.Id)
cmchan := Srv.Store.Channel().GetMember(channel.Id, user.Id)
if result := <-tmchan; result.Err != nil {
return nil, result.Err
} else {
teamMember := result.Data.(model.TeamMember)
if teamMember.DeleteAt > 0 {
return nil, model.NewLocAppError("AddUserToChannel", "api.channel.add_user.to.channel.failed.deleted.app_error", nil, "")
}
}
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(),
Roles: model.ROLE_CHANNEL_USER.Id,
}
if result := <-Srv.Store.Channel().SaveMember(newMember); result.Err != nil {
l4g.Error("Failed to add member user_id=%v channel_id=%v err=%v", user.Id, channel.Id, result.Err)
return nil, model.NewLocAppError("AddUserToChannel", "api.channel.add_user.to.channel.failed.app_error", nil, "")
}
go func() {
InvalidateCacheForUser(user.Id)
Srv.Store.User().InvalidateProfilesInChannelCache(channel.Id)
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_USER_ADDED, "", channel.Id, "", nil)
message.Add("user_id", user.Id)
message.Add("team_id", channel.TeamId)
go Publish(message)
}()
return newMember, nil
}
func JoinDefaultChannels(teamId string, user *model.User, channelRole string) *model.AppError {
// We don't call JoinChannel here since c.Session is not populated on user creation
var err *model.AppError = nil
fakeContext := &Context{
Session: model.Session{
UserId: user.Id,
},
TeamId: teamId,
T: utils.TfuncWithFallback(user.Locale),
}
if result := <-Srv.Store.Channel().GetByName(teamId, "town-square"); result.Err != nil {
err = result.Err
} else {
cm := &model.ChannelMember{ChannelId: result.Data.(*model.Channel).Id, UserId: user.Id,
Roles: channelRole, NotifyProps: model.GetDefaultChannelNotifyProps()}
if cmResult := <-Srv.Store.Channel().SaveMember(cm); cmResult.Err != nil {
err = cmResult.Err
}
post := &model.Post{
ChannelId: result.Data.(*model.Channel).Id,
Message: fmt.Sprintf(utils.T("api.channel.join_channel.post_and_forget"), user.Username),
Type: model.POST_JOIN_LEAVE,
UserId: user.Id,
}
if _, err := CreatePost(fakeContext, post, false); err != nil {
l4g.Error(utils.T("api.channel.post_user_add_remove_message_and_forget.error"), err)
}
Srv.Store.User().InvalidateProfilesInChannelCache(result.Data.(*model.Channel).Id)
}
if result := <-Srv.Store.Channel().GetByName(teamId, "off-topic"); result.Err != nil {
err = result.Err
} else {
cm := &model.ChannelMember{ChannelId: result.Data.(*model.Channel).Id, UserId: user.Id,
Roles: channelRole, NotifyProps: model.GetDefaultChannelNotifyProps()}
if cmResult := <-Srv.Store.Channel().SaveMember(cm); cmResult.Err != nil {
err = cmResult.Err
}
post := &model.Post{
ChannelId: result.Data.(*model.Channel).Id,
Message: fmt.Sprintf(utils.T("api.channel.join_channel.post_and_forget"), user.Username),
Type: model.POST_JOIN_LEAVE,
UserId: user.Id,
}
if _, err := CreatePost(fakeContext, post, false); err != nil {
l4g.Error(utils.T("api.channel.post_user_add_remove_message_and_forget.error"), err)
}
Srv.Store.User().InvalidateProfilesInChannelCache(result.Data.(*model.Channel).Id)
}
return err
}
func leave(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
sc := Srv.Store.Channel().Get(id)
uc := Srv.Store.User().Get(c.Session.UserId)
ccm := Srv.Store.Channel().GetMemberCount(id)
if cresult := <-sc; cresult.Err != nil {
c.Err = cresult.Err
return
} else if uresult := <-uc; uresult.Err != nil {
c.Err = cresult.Err
return
} else if ccmresult := <-ccm; ccmresult.Err != nil {
c.Err = ccmresult.Err
return
} else {
channel := cresult.Data.(*model.Channel)
user := uresult.Data.(*model.User)
membersCount := ccmresult.Data.(int64)
if channel.Type == model.CHANNEL_DIRECT {
c.Err = model.NewLocAppError("leave", "api.channel.leave.direct.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if channel.Type == model.CHANNEL_PRIVATE && membersCount == 1 {
c.Err = model.NewLocAppError("leave", "api.channel.leave.last_member.app_error", nil, "userId="+user.Id)
c.Err.StatusCode = http.StatusBadRequest
return
}
if channel.Name == model.DEFAULT_CHANNEL {
c.Err = model.NewLocAppError("leave", "api.channel.leave.default.app_error", map[string]interface{}{"Channel": model.DEFAULT_CHANNEL}, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if cmresult := <-Srv.Store.Channel().RemoveMember(channel.Id, c.Session.UserId); cmresult.Err != nil {
c.Err = cmresult.Err
return
}
RemoveUserFromChannel(c.Session.UserId, c.Session.UserId, channel)
go PostUserAddRemoveMessage(c, channel.Id, fmt.Sprintf(utils.T("api.channel.leave.left"), user.Username), model.POST_JOIN_LEAVE)
result := make(map[string]string)
result["id"] = channel.Id
w.Write([]byte(model.MapToJson(result)))
}
}
func deleteChannel(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
sc := Srv.Store.Channel().Get(id)
scm := Srv.Store.Channel().GetMember(id, c.Session.UserId)
cmc := Srv.Store.Channel().GetMemberCount(id)
uc := Srv.Store.User().Get(c.Session.UserId)
ihc := Srv.Store.Webhook().GetIncomingByChannel(id)
ohc := Srv.Store.Webhook().GetOutgoingByChannel(id)
if cresult := <-sc; cresult.Err != nil {
c.Err = cresult.Err
return
} else if uresult := <-uc; uresult.Err != nil {
c.Err = cresult.Err
return
} else if scmresult := <-scm; scmresult.Err != nil {
c.Err = scmresult.Err
return
} else if cmcresult := <-cmc; cmcresult.Err != nil {
c.Err = cmcresult.Err
return
} else if ihcresult := <-ihc; ihcresult.Err != nil {
c.Err = ihcresult.Err
return
} else if ohcresult := <-ohc; ohcresult.Err != nil {
c.Err = ohcresult.Err
return
} else {
channel := cresult.Data.(*model.Channel)
memberCount := cmcresult.Data.(int64)
user := uresult.Data.(*model.User)
incomingHooks := ihcresult.Data.([]*model.IncomingWebhook)
outgoingHooks := ohcresult.Data.([]*model.OutgoingWebhook)
// Don't need to do anything with channel member, just wanted to confirm it exists
// Allow delete if user is the only member left in channel
if memberCount > 1 {
if channel.Type == model.CHANNEL_OPEN && !HasPermissionToTeamContext(c, channel.TeamId, model.PERMISSION_DELETE_PUBLIC_CHANNEL) {
return
}
if channel.Type == model.CHANNEL_PRIVATE && !HasPermissionToTeamContext(c, channel.TeamId, model.PERMISSION_DELETE_PRIVATE_CHANNEL) {
return
}
}
if channel.DeleteAt > 0 {
c.Err = model.NewLocAppError("deleteChannel", "api.channel.delete_channel.deleted.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if channel.Name == model.DEFAULT_CHANNEL {
c.Err = model.NewLocAppError("deleteChannel", "api.channel.delete_channel.cannot.app_error", map[string]interface{}{"Channel": model.DEFAULT_CHANNEL}, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
now := model.GetMillis()
for _, hook := range incomingHooks {
go func() {
if result := <-Srv.Store.Webhook().DeleteIncoming(hook.Id, now); result.Err != nil {
l4g.Error(utils.T("api.channel.delete_channel.incoming_webhook.error"), hook.Id)
}
}()
}
for _, hook := range outgoingHooks {
go func() {
if result := <-Srv.Store.Webhook().DeleteOutgoing(hook.Id, now); result.Err != nil {
l4g.Error(utils.T("api.channel.delete_channel.outgoing_webhook.error"), hook.Id)
}
}()
}
if dresult := <-Srv.Store.Channel().Delete(channel.Id, model.GetMillis()); dresult.Err != nil {
c.Err = dresult.Err
return
}
c.LogAudit("name=" + channel.Name)
go func() {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_DELETED, c.TeamId, "", "", nil)
message.Add("channel_id", channel.Id)
go Publish(message)
post := &model.Post{
ChannelId: channel.Id,
Message: fmt.Sprintf(c.T("api.channel.delete_channel.archived"), user.Username),
Type: model.POST_CHANNEL_DELETED,
UserId: c.Session.UserId,
}
if _, err := CreatePost(c, post, false); err != nil {
l4g.Error(utils.T("api.channel.delete_channel.failed_post.error"), err)
}
}()
result := make(map[string]string)
result["id"] = channel.Id
w.Write([]byte(model.MapToJson(result)))
}
}
func setLastViewedAt(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
data := model.StringInterfaceFromJson(r.Body)
newLastViewedAt := int64(data["last_viewed_at"].(float64))
Srv.Store.Channel().SetLastViewedAt(id, c.Session.UserId, newLastViewedAt)
preference := model.Preference{
UserId: c.Session.UserId,
Category: model.PREFERENCE_CATEGORY_LAST,
Name: model.PREFERENCE_NAME_LAST_CHANNEL,
Value: id,
}
Srv.Store.Preference().Save(&model.Preferences{preference})
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_VIEWED, c.TeamId, "", c.Session.UserId, nil)
message.Add("channel_id", id)
go Publish(message)
result := make(map[string]string)
result["id"] = id
w.Write([]byte(model.MapToJson(result)))
}
func updateLastViewedAt(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
data := model.StringInterfaceFromJson(r.Body)
var active bool
var ok bool
if active, ok = data["active"].(bool); !ok {
active = true
}
doClearPush := false
if *utils.Cfg.EmailSettings.SendPushNotifications && !c.Session.IsMobileApp() && active {
if result := <-Srv.Store.User().GetUnreadCountForChannel(c.Session.UserId, id); result.Err != nil {
l4g.Error(utils.T("api.channel.update_last_viewed_at.get_unread_count_for_channel.error"), c.Session.UserId, id, result.Err.Error())
} else {
if result.Data.(int64) > 0 {
doClearPush = true
}
}
}
go func() {
if err := SetActiveChannel(c.Session.UserId, id); err != nil {
l4g.Error(err.Error())
}
}()
Srv.Store.Channel().UpdateLastViewedAt(id, c.Session.UserId)
// Must be after update so that unread count is correct
if doClearPush {
go clearPushNotification(c.Session.UserId, id)
}
preference := model.Preference{
UserId: c.Session.UserId,
Category: model.PREFERENCE_CATEGORY_LAST,
Name: model.PREFERENCE_NAME_LAST_CHANNEL,
Value: id,
}
Srv.Store.Preference().Save(&model.Preferences{preference})
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CHANNEL_VIEWED, c.TeamId, "", c.Session.UserId, nil)
message.Add("channel_id", id)
go Publish(message)
result := make(map[string]string)
result["id"] = id
w.Write([]byte(model.MapToJson(result)))
}
func getChannel(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
cchan := Srv.Store.Channel().Get(id)
cmchan := Srv.Store.Channel().GetMember(id, c.Session.UserId)
if cresult := <-cchan; cresult.Err != nil {
c.Err = cresult.Err
return
} else if cmresult := <-cmchan; cmresult.Err != nil {
c.Err = cmresult.Err
return
} else {
data := &model.ChannelData{}
data.Channel = cresult.Data.(*model.Channel)
member := cmresult.Data.(model.ChannelMember)
data.Member = &member
if data.Channel.TeamId != c.TeamId && data.Channel.Type != model.CHANNEL_DIRECT {
c.Err = model.NewLocAppError("getChannel", "api.channel.get_channel.wrong_team.app_error", map[string]interface{}{"ChannelId": id, "TeamId": c.TeamId}, "")
return
}
if HandleEtag(data.Etag(), w, r) {
return
} else {
w.Header().Set(model.HEADER_ETAG_SERVER, data.Etag())
w.Write([]byte(data.ToJson()))
}
}
}
func getChannelStats(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
id := params["channel_id"]
sc := Srv.Store.Channel().Get(id)
var channel *model.Channel
if result := <-sc; result.Err != nil {
c.Err = result.Err
return
} else {
channel = result.Data.(*model.Channel)
}
if result := <-Srv.Store.Channel().GetMemberCount(id); result.Err != nil {
c.Err = result.Err
return
} else {
memberCount := result.Data.(int64)
if channel.DeleteAt > 0 {
c.Err = model.NewLocAppError("getChannelStats", "api.channel.get_channel_extra_info.deleted.app_error", nil, "")
c.Err.StatusCode = http.StatusBadRequest
return
}
if !HasPermissionToChannelContext(c, channel.Id, model.PERMISSION_READ_CHANNEL) {
return
}
data := model.ChannelStats{ChannelId: channel.Id, MemberCount: memberCount}
w.Write([]byte(data.ToJson()))
}
}
func getChannelMember(c *Context, w http.ResponseWriter, r *http.Request) {
params := mux.Vars(r)
channelId := params["channel_id"]
userId := params["user_id"]
if !HasPermissionToChannelContext(c, channelId, model.PERMISSION_READ_CHANNEL) {
return
}
if result := <-Srv.Store.Channel().GetMember(channelId, userId); result.Err != nil {
c.Err = result.Err
return
} else {
member := result.Data.(model.ChannelMember)
w.Write([]byte(member.ToJson()))
}
}
func getMyChannelMembers(c *Context, w http.ResponseWriter, r *http.Request) {
if result := <-Srv.Store.Channel().GetMembersForUser(c.TeamId, c.Session.UserId); result.Err != nil {
c.Err = result.Err
return
} else {
data := result.Data.(*model.ChannelMembers)
w.Write([]byte(data.ToJson()))
}
}