func Update(u *url.URL, h http.Header, req *models.Channel, c *models.Context) (int, http.Header, interface{}, error) {
if !c.IsLoggedIn() {
return response.NewBadRequest(models.ErrNotLoggedIn)
}
id, err := request.GetURIInt64(u, "id")
if err != nil {
return response.NewBadRequest(err)
}
req.Id = id
if req.Id == 0 {
return response.NewBadRequest(err)
}
existingOne, err := models.Cache.Channel.ById(id)
if err != nil {
return response.NewBadRequest(err)
}
participant, err := existingOne.IsParticipant(c.Client.Account.Id)
if err != nil {
return response.NewBadRequest(err)
}
if !participant {
return response.NewBadRequest(models.ErrAccountIsNotParticipant)
}
// if user is participant in the channel, then user can update only purpose of the channel
// other fields cannot be updated by participant or anyone else. Only creator can update
// purpose and other fields of the channel
if participant {
if req.Purpose != "" {
existingOne.Purpose = req.Purpose
}
}
// if user is the creator of the channel, then can update all fields of the channel
if existingOne.CreatorId == c.Client.Account.Id {
if req.Name != "" {
existingOne.Name = req.Name
}
// some of the channels stores sparse data
existingOne.Payload = req.Payload
}
// update channel
if err := existingOne.Update(); err != nil {
return response.NewBadRequest(err)
}
// generate container data
cc := models.NewChannelContainer()
if err := cc.PopulateWith(*existingOne, c.Client.Account.Id); err != nil {
return response.NewBadRequest(err)
}
return response.NewOK(cc)
}
// notifyParticipants notifies related participants when they join/leave private channel
// or follow/unfollow a topic.
// this is used for updating sidebar.
func (f *Controller) notifyChannelParticipants(c *models.Channel, pe *models.ParticipantEvent, eventName string) {
if c.TypeConstant != models.Channel_TYPE_PRIVATE_MESSAGE &&
c.TypeConstant != models.Channel_TYPE_COLLABORATION &&
c.TypeConstant != models.Channel_TYPE_TOPIC {
return
}
notifiedParticipantIds, err := f.fetchNotifiedParticipantIds(c, pe, eventName)
if err != nil {
f.log.Error("Could not fetch participants: %s", err)
return
}
for _, participantId := range notifiedParticipantIds {
cc := models.NewChannelContainer()
err = cc.PopulateWith(*c, participantId)
if err != nil {
f.log.Error("Could not create channel container for participant %d: %s", pe.Id, err)
continue
}
if err = f.sendNotification(
participantId,
c.GroupName,
eventName,
cc,
); err != nil {
f.log.Error("Ignoring err %s ", err.Error())
}
}
}
func GetChannelContainer(id int64) (*models.ChannelContainer, error) {
url := fmt.Sprintf("/channel/%d", id)
cc := models.NewChannelContainer()
cmI, err := sendModel("GET", url, cc)
if err != nil {
return nil, err
}
return cmI.(*models.ChannelContainer), nil
}
func GetChannelContainerWithToken(id int64, token string) (*models.ChannelContainer, error) {
url := fmt.Sprintf("/channel/%d", id)
cc := models.NewChannelContainer()
cmI, err := sendModelWithAuth("GET", url, cc, token)
if err != nil {
return nil, err
}
return cmI.(*models.ChannelContainer), nil
}
func SendPrivateChannelRequest(pmr models.ChannelRequest, token string) (*models.ChannelContainer, error) {
url := "/privatechannel/init"
res, err := marshallAndSendRequestWithAuth("POST", url, pmr, token)
if err != nil {
return nil, err
}
model := models.NewChannelContainer()
err = json.Unmarshal(res, model)
if err != nil {
return nil, err
}
return model, nil
}
func UpdateChannel(cm *models.Channel, token string) (*models.Channel, error) {
url := fmt.Sprintf("/channel/%d/update", cm.Id)
res, err := marshallAndSendRequestWithAuth("POST", url, cm, token)
if err != nil {
return nil, err
}
cc := models.NewChannelContainer()
err = json.Unmarshal(res, cc)
if err != nil {
return nil, err
}
return cc.Channel, nil
}
func Create(u *url.URL, h http.Header, req *models.Channel, context *models.Context) (int, http.Header, interface{}, error) {
// only logged in users can create a channel
if !context.IsLoggedIn() {
return response.NewBadRequest(models.ErrNotLoggedIn)
}
// get group name from context
req.GroupName = context.GroupName
req.CreatorId = context.Client.Account.Id
if req.PrivacyConstant == "" {
req.PrivacyConstant = models.Channel_PRIVACY_PRIVATE
// if group is koding, then make it public, because it was public before
if req.GroupName == models.Channel_KODING_NAME {
req.PrivacyConstant = models.Channel_PRIVACY_PUBLIC
}
}
if req.TypeConstant == "" {
req.TypeConstant = models.Channel_TYPE_TOPIC
}
if err := validateChannelRequest(req); err != nil {
return response.NewBadRequest(err)
}
if err := req.Create(); err != nil {
return response.NewBadRequest(err)
}
if _, err := req.AddParticipant(req.CreatorId); err != nil {
// channel create works as idempotent, that channel might have been created before
if err != models.ErrAccountIsAlreadyInTheChannel {
return response.NewBadRequest(err)
}
}
cc := models.NewChannelContainer()
if err := cc.PopulateWith(*req, context.Client.Account.Id); err != nil {
return response.NewBadRequest(err)
}
return response.NewOK(cc)
}
func handleChannelResponse(c models.Channel, q *request.Query) (int, http.Header, interface{}, error) {
// add troll mode filter
if c.MetaBits.Is(models.Troll) && !q.ShowExempt {
return response.NewNotFound()
}
canOpen, err := c.CanOpen(q.AccountId)
if err != nil {
return response.NewBadRequest(err)
}
if !canOpen {
cp := models.NewChannelParticipant()
cp.ChannelId = c.Id
isInvited, err := cp.IsInvited(q.AccountId)
if err != nil {
return response.NewBadRequest(err)
}
if !isInvited {
return response.NewAccessDenied(
fmt.Errorf(
"account (%d) tried to retrieve the unattended channel (%d)",
q.AccountId,
c.Id,
),
)
}
}
cc := models.NewChannelContainer()
if err := cc.Fetch(c.GetId(), q); err != nil {
return response.NewBadRequest(err)
}
cc.AddIsParticipant(q.AccountId)
// TODO this should be in the channel cache by default
cc.AddLastMessage(q.AccountId)
cc.AddUnreadCount(q.AccountId)
return response.HandleResultAndError(cc, cc.Err)
}
func CreateChannelByGroupNameAndType(creatorId int64, groupName, typeConstant, token string) (*models.Channel, error) {
c := models.NewChannel()
c.GroupName = groupName
c.CreatorId = creatorId
c.TypeConstant = typeConstant
c.PrivacyConstant = models.Channel_PRIVACY_PUBLIC
c.Name = c.Name + strconv.Itoa(rand.Intn(100000000))
res, err := marshallAndSendRequestWithAuth("POST", "/channel", c, token)
if err != nil {
return nil, err
}
cc := models.NewChannelContainer()
err = json.Unmarshal(res, cc)
if err != nil {
return nil, err
}
return cc.Channel, nil
}
