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Clean up user and channel information management (slack) (#521)

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This commit is contained in:
Duco van Amstel
2018-10-16 19:34:09 +01:00
committed by Wim
parent 498377a230
commit 6238effdc2
3 changed files with 102 additions and 75 deletions
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73
bridge/slack/helpers.go
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@ -38,29 +38,74 @@ func (b *Bslack) getChannel(channel string) (*slack.Channel, error) {
}
func (b *Bslack) getChannelByName(name string) (*slack.Channel, error) {
if b.channels == nil {
return nil, fmt.Errorf("%s: channel %s not found (no channels found)", b.Account, name)
}
for _, channel := range b.channels {
if channel.Name == name {
return &channel, nil
}
b.channelsMutex.RLock()
defer b.channelsMutex.RUnlock()
if channel, ok := b.channelsByName[name]; ok {
return channel, nil
}
return nil, fmt.Errorf("%s: channel %s not found", b.Account, name)
}
func (b *Bslack) getChannelByID(ID string) (*slack.Channel, error) {
if b.channels == nil {
return nil, fmt.Errorf("%s: channel %s not found (no channels found)", b.Account, ID)
}
for _, channel := range b.channels {
if channel.ID == ID {
return &channel, nil
}
b.channelsMutex.RLock()
defer b.channelsMutex.RUnlock()
if channel, ok := b.channelsByID[ID]; ok {
return channel, nil
}
return nil, fmt.Errorf("%s: channel %s not found", b.Account, ID)
}
func (b *Bslack) populateUsers() {
users, err := b.sc.GetUsers()
if err != nil {
b.Log.Errorf("Could not reload users: %#v", err)
return
}
newUsers := map[string]*slack.User{}
for _, user := range users {
newUsers[user.ID] = &user
}
b.usersMutex.Lock()
defer b.usersMutex.Unlock()
b.users = newUsers
}
func (b *Bslack) populateChannels() {
newChannelsByID := map[string]*slack.Channel{}
newChannelsByName := map[string]*slack.Channel{}
// We only retrieve public and private channels, not IMs
// and MPIMs as those do not have a channel name.
queryParams := &slack.GetConversationsParameters{
ExcludeArchived: "true",
Types: []string{"public_channel,private_channel"},
}
for {
channels, nextCursor, err := b.sc.GetConversations(queryParams)
if err != nil {
b.Log.Errorf("Could not reload channels: %#v", err)
return
}
for i := 0; i < len(channels); i++ {
newChannelsByID[channels[i].ID] = &channels[i]
newChannelsByName[channels[i].Name] = &channels[i]
}
if nextCursor == "" {
break
}
queryParams.Cursor = nextCursor
}
b.channelsMutex.Lock()
defer b.channelsMutex.Unlock()
b.channelsByID = newChannelsByID
b.channelsByName = newChannelsByName
}
var (
mentionRE = regexp.MustCompile(`<@([a-zA-Z0-9]+)>`)
channelRE = regexp.MustCompile(`<#[a-zA-Z0-9]+\|(.+?)>`)