func Delete(u *url.URL, h http.Header, req *models.Channel, context *models.Context) (int, http.Header, interface{}, error) {
if !context.IsLoggedIn() {
return response.NewBadRequest(models.ErrNotLoggedIn)
}
id, err := request.GetURIInt64(u, "id")
if err != nil {
return response.NewBadRequest(err)
}
if err := req.ById(id); err != nil {
return response.NewBadRequest(err)
}
if req.TypeConstant == models.Channel_TYPE_GROUP {
return response.NewBadRequest(errors.New("You can not delete group channel"))
}
canOpen, err := req.CanOpen(context.Client.Account.Id)
if err != nil {
return response.NewBadRequest(err)
}
if !canOpen {
return response.NewBadRequest(models.ErrCannotOpenChannel)
}
// TO-DO
// add super-admin check here
if req.CreatorId != context.Client.Account.Id {
isAdmin, err := modelhelper.IsAdmin(context.Client.Account.Nick, req.GroupName)
if err != nil {
return response.NewBadRequest(err)
}
if !isAdmin {
return response.NewAccessDenied(models.ErrAccessDenied)
}
}
if err := req.Delete(); err != nil {
return response.NewBadRequest(err)
}
// yes it is deleted but not removed completely from our system
return response.NewDeleted()
}
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)
}
