func NewMsg(ev *slack.MessageEvent) *Msg {
msg := &Msg{MessageEvent: ev}
if toUserMessagePattern.Match([]byte(ev.Text)) {
res := toUserMessagePattern.FindSubmatch([]byte(ev.Text))
if len(res) > 0 {
id := string(res[1])
u := store.UserByID(id)
if u.ID != "" {
msg.ToUser = &u
}
}
}
return msg
}
func (a *Filtering) Do(ctx coa.Context) error {
log.Action("==> filtering")
if ag, ok := ctx.ActionGroup().(HasMsg); ok {
m := ag.GetMsg()
chanName := store.ChanByID(m.Channel).Name
userName := store.UserByID(m.User).Name
toUser := m.ToUser
if len(a.PermitChannel) > 0 {
for _, c := range a.PermitChannel {
if c == chanName {
log.Info("filtering: permit channel ok")
return nil
}
}
log.Info("filtering: permit channel bad")
return eh.ErrNonError
}
if len(a.DenyChannel) > 0 {
for _, c := range a.DenyChannel {
if c == chanName {
log.Info("filtering: deny channel bad")
return eh.ErrNonError
}
}
log.Info("filtering: deny channel ok")
return nil
}
if len(a.FromPermitUser) > 0 {
for _, u := range a.FromPermitUser {
if u == userName {
log.Info("filtering: from permit user ok")
return nil
}
}
log.Info("filtering: from permit user bad")
return eh.ErrNonError
}
if len(a.FromDenyUser) > 0 {
for _, u := range a.FromDenyUser {
if u == userName {
log.Info("filtering: from deny user bad")
return eh.ErrNonError
}
}
log.Info("filtering: from deny user ok")
return nil
}
if len(a.ToPermitUser) > 0 {
if toUser == nil {
log.Info("filtering: to permit user bad")
return eh.ErrNonError
}
for _, u := range a.ToPermitUser {
if u == toUser.Name {
log.Info("filtering: to permit user ok")
return nil
}
}
log.Info("filtering: to permit user bad")
return eh.ErrNonError
}
if len(a.ToDenyUser) > 0 {
if toUser == nil {
log.Info("filtering: to permit user bad")
return eh.ErrNonError
}
for _, u := range a.ToDenyUser {
if u == toUser.Name {
log.Info("filtering: to deny user bad")
return eh.ErrNonError
}
}
log.Info("filtering: to deny user ok")
return nil
}
if a.Ratio > 0.0 {
if rand.Float64() <= a.Ratio {
log.Info("filtering: ratio ok")
return nil
}
log.Info("filtering: ratio bad")
return eh.ErrNonError
}
if a.Func != nil && !a.Func(m) {
log.Info("filtering: func bad")
return eh.ErrNonError
}
}
log.Info("filtering: ok")
return nil
}