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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package app
import (
"fmt"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/store"
"github.com/mattermost/platform/utils"
)
func MakeDirectChannelVisible(channelId string) *model.AppError {
var members []model.ChannelMember
if result := <-Srv.Store.Channel().GetMembers(channelId); result.Err != nil {
return result.Err
} else {
members = result.Data.([]model.ChannelMember)
}
if len(members) != 2 {
return model.NewLocAppError("MakeDirectChannelVisible", "api.post.make_direct_channel_visible.get_2_members.error", map[string]interface{}{"ChannelId": channelId}, "")
}
// make sure the channel is visible to both members
for i, member := range members {
otherUserId := members[1-i].UserId
if result := <-Srv.Store.Preference().Get(member.UserId, model.PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW, otherUserId); result.Err != nil {
// create a new preference since one doesn't exist yet
preference := &model.Preference{
UserId: member.UserId,
Category: model.PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW,
Name: otherUserId,
Value: "true",
}
if saveResult := <-Srv.Store.Preference().Save(&model.Preferences{*preference}); saveResult.Err != nil {
return saveResult.Err
} else {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PREFERENCE_CHANGED, "", "", member.UserId, nil)
message.Add("preference", preference.ToJson())
go Publish(message)
}
} else {
preference := result.Data.(model.Preference)
if preference.Value != "true" {
// update the existing preference to make the channel visible
preference.Value = "true"
if updateResult := <-Srv.Store.Preference().Save(&model.Preferences{preference}); updateResult.Err != nil {
return updateResult.Err
} else {
message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PREFERENCE_CHANGED, "", "", member.UserId, nil)
message.Add("preference", preference.ToJson())
go Publish(message)
}
}
}
}
return nil
}
func 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 := 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 := CreateChannel(offTopic, false); err != nil {
return nil, err
}
channels := []*model.Channel{townSquare, offTopic}
return channels, nil
}
func JoinDefaultChannels(teamId string, user *model.User, channelRole string) *model.AppError {
var err *model.AppError = nil
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,
}
InvalidateCacheForChannel(result.Data.(*model.Channel).Id)
if _, err := CreatePost(post, teamId, false); err != nil {
l4g.Error(utils.T("api.channel.post_user_add_remove_message_and_forget.error"), err)
}
}
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,
}
InvalidateCacheForChannel(result.Data.(*model.Channel).Id)
if _, err := CreatePost(post, teamId, false); err != nil {
l4g.Error(utils.T("api.channel.post_user_add_remove_message_and_forget.error"), err)
}
}
return err
}
func CreateChannel(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: channel.CreatorId,
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
}
InvalidateCacheForUser(channel.CreatorId)
}
return sc, nil
}
}
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, "")
}
InvalidateCacheForUser(user.Id)
InvalidateCacheForChannel(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
}
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