package widgets import ( "errors" "fmt" "sync" "time" "github.com/gdamore/tcell/v2" "git.sr.ht/~rjarry/aerc/config" "git.sr.ht/~rjarry/aerc/lib" "git.sr.ht/~rjarry/aerc/lib/marker" "git.sr.ht/~rjarry/aerc/lib/sort" "git.sr.ht/~rjarry/aerc/lib/statusline" "git.sr.ht/~rjarry/aerc/lib/ui" "git.sr.ht/~rjarry/aerc/logging" "git.sr.ht/~rjarry/aerc/models" "git.sr.ht/~rjarry/aerc/worker" "git.sr.ht/~rjarry/aerc/worker/types" ) var _ ProvidesMessages = (*AccountView)(nil) type AccountView struct { sync.Mutex acct *config.AccountConfig aerc *Aerc conf *config.AercConfig dirlist DirectoryLister labels []string grid *ui.Grid host TabHost msglist *MessageList worker *types.Worker state *statusline.State newConn bool // True if this is a first run after a new connection/reconnection uiConf *config.UIConfig // Check-mail ticker ticker *time.Ticker checkingMail bool } func (acct *AccountView) UiConfig() *config.UIConfig { if dirlist := acct.Directories(); dirlist != nil { return dirlist.UiConfig("") } return acct.uiConf } func NewAccountView(aerc *Aerc, conf *config.AercConfig, acct *config.AccountConfig, host TabHost, deferLoop chan struct{}, ) (*AccountView, error) { acctUiConf := conf.GetUiConfig(map[config.ContextType]string{ config.UI_CONTEXT_ACCOUNT: acct.Name, }) view := &AccountView{ acct: acct, aerc: aerc, conf: conf, host: host, state: statusline.NewState(acct.Name, len(conf.Accounts) > 1, conf.Statusline), uiConf: acctUiConf, } view.grid = ui.NewGrid().Rows([]ui.GridSpec{ {Strategy: ui.SIZE_WEIGHT, Size: ui.Const(1)}, }).Columns([]ui.GridSpec{ {Strategy: ui.SIZE_EXACT, Size: func() int { return view.UiConfig().SidebarWidth }}, {Strategy: ui.SIZE_WEIGHT, Size: ui.Const(1)}, }) worker, err := worker.NewWorker(acct.Source) if err != nil { host.SetError(fmt.Sprintf("%s: %s", acct.Name, err)) logging.Errorf("%s: %v", acct.Name, err) return view, err } view.worker = worker view.dirlist = NewDirectoryList(conf, acct, worker) if acctUiConf.SidebarWidth > 0 { view.grid.AddChild(ui.NewBordered(view.dirlist, ui.BORDER_RIGHT, acctUiConf)) } view.msglist = NewMessageList(conf, aerc) view.grid.AddChild(view.msglist).At(0, 1) go func() { defer logging.PanicHandler() if deferLoop != nil { <-deferLoop } worker.Backend.Run() }() worker.PostAction(&types.Configure{Config: acct}, nil) worker.PostAction(&types.Connect{}, nil) view.SetStatus(statusline.ConnectionActivity("Connecting...")) if acct.CheckMail.Minutes() > 0 { view.CheckMailTimer(acct.CheckMail) } return view, nil } func (acct *AccountView) Tick() bool { if acct.worker == nil { return false } select { case msg := <-acct.worker.Messages: msg = acct.worker.ProcessMessage(msg) acct.onMessage(msg) return true default: return false } } func (acct *AccountView) SetStatus(setters ...statusline.SetStateFunc) { for _, fn := range setters { fn(acct.state, acct.SelectedDirectory()) } acct.UpdateStatus() } func (acct *AccountView) UpdateStatus() { if acct.isSelected() { acct.host.SetStatus(acct.state.StatusLine(acct.SelectedDirectory())) } } func (acct *AccountView) PushStatus(status string, expiry time.Duration) { acct.aerc.PushStatus(fmt.Sprintf("%s: %s", acct.acct.Name, status), expiry) } func (acct *AccountView) PushError(err error) { acct.aerc.PushError(fmt.Sprintf("%s: %v", acct.acct.Name, err)) } func (acct *AccountView) AccountConfig() *config.AccountConfig { return acct.acct } func (acct *AccountView) Worker() *types.Worker { return acct.worker } func (acct *AccountView) Name() string { return acct.acct.Name } func (acct *AccountView) OnInvalidate(onInvalidate func(d ui.Drawable)) { acct.grid.OnInvalidate(func(_ ui.Drawable) { onInvalidate(acct) }) } func (acct *AccountView) Invalidate() { acct.grid.Invalidate() } func (acct *AccountView) Draw(ctx *ui.Context) { if acct.state.SetWidth(ctx.Width()) { acct.UpdateStatus() } acct.grid.Draw(ctx) } func (acct *AccountView) MouseEvent(localX int, localY int, event tcell.Event) { acct.grid.MouseEvent(localX, localY, event) } func (acct *AccountView) Focus(focus bool) { // TODO: Unfocus children I guess } func (acct *AccountView) Directories() DirectoryLister { return acct.dirlist } func (acct *AccountView) Labels() []string { return acct.labels } func (acct *AccountView) Messages() *MessageList { return acct.msglist } func (acct *AccountView) Store() *lib.MessageStore { if acct.msglist == nil { return nil } return acct.msglist.Store() } func (acct *AccountView) SelectedAccount() *AccountView { return acct } func (acct *AccountView) SelectedDirectory() string { return acct.dirlist.Selected() } func (acct *AccountView) SelectedMessage() (*models.MessageInfo, error) { if len(acct.msglist.Store().Uids()) == 0 { return nil, errors.New("no message selected") } msg := acct.msglist.Selected() if msg == nil { return nil, errors.New("message not loaded") } return msg, nil } func (acct *AccountView) MarkedMessages() ([]uint32, error) { if store := acct.Store(); store != nil { return store.Marker().Marked(), nil } return nil, errors.New("no store available") } func (acct *AccountView) SelectedMessagePart() *PartInfo { return nil } func (acct *AccountView) isSelected() bool { return acct == acct.aerc.SelectedAccount() } func (acct *AccountView) onMessage(msg types.WorkerMessage) { switch msg := msg.(type) { case *types.Done: switch msg.InResponseTo().(type) { case *types.Connect, *types.Reconnect: acct.SetStatus(statusline.ConnectionActivity("Listing mailboxes...")) logging.Debugf("Listing mailboxes...") acct.dirlist.UpdateList(func(dirs []string) { var dir string for _, _dir := range dirs { if _dir == acct.acct.Default { dir = _dir break } } if dir == "" && len(dirs) > 0 { dir = dirs[0] } if dir != "" { acct.dirlist.Select(dir) } acct.msglist.SetInitDone() logging.Infof("%s connected.", acct.acct.Name) acct.SetStatus(statusline.SetConnected(true)) acct.newConn = true }) case *types.Disconnect: acct.dirlist.ClearList() acct.msglist.SetStore(nil) logging.Infof("%s disconnected.", acct.acct.Name) acct.SetStatus(statusline.SetConnected(false)) case *types.OpenDirectory: if store, ok := acct.dirlist.SelectedMsgStore(); ok { // If we've opened this dir before, we can re-render it from // memory while we wait for the update and the UI feels // snappier. If not, we'll unset the store and show the spinner // while we download the UID list. acct.msglist.SetStore(store) } else { acct.msglist.SetStore(nil) } case *types.CreateDirectory: acct.dirlist.UpdateList(nil) case *types.RemoveDirectory: acct.dirlist.UpdateList(nil) case *types.FetchMessageHeaders: if acct.newConn { acct.checkMailOnStartup() } } case *types.DirectoryInfo: if store, ok := acct.dirlist.MsgStore(msg.Info.Name); ok { store.Update(msg) } else { name := msg.Info.Name store = lib.NewMessageStore(acct.worker, msg.Info, acct.GetSortCriteria(), acct.dirlist.UiConfig(name).ThreadingEnabled, acct.dirlist.UiConfig(name).ForceClientThreads, acct.dirlist.UiConfig(name).ClientThreadsDelay, func(msg *models.MessageInfo) { acct.conf.Triggers.ExecNewEmail(acct.acct, acct.conf, msg) }, func() { if acct.dirlist.UiConfig(name).NewMessageBell { acct.host.Beep() } }) store.SetMarker(marker.New(store)) acct.dirlist.SetMsgStore(msg.Info.Name, store) } case *types.DirectoryContents: if store, ok := acct.dirlist.SelectedMsgStore(); ok { if acct.msglist.Store() == nil { acct.msglist.SetStore(store) } store.Update(msg) acct.SetStatus(statusline.Threading(store.ThreadedView())) } if acct.newConn && len(msg.Uids) == 0 { acct.checkMailOnStartup() } case *types.DirectoryThreaded: if store, ok := acct.dirlist.SelectedMsgStore(); ok { if acct.msglist.Store() == nil { acct.msglist.SetStore(store) } store.Update(msg) acct.SetStatus(statusline.Threading(store.ThreadedView())) } if acct.newConn && len(msg.Threads) == 0 { acct.checkMailOnStartup() } case *types.FullMessage: if store, ok := acct.dirlist.SelectedMsgStore(); ok { store.Update(msg) } case *types.MessageInfo: if store, ok := acct.dirlist.SelectedMsgStore(); ok { store.Update(msg) } case *types.MessagesDeleted: if store, ok := acct.dirlist.SelectedMsgStore(); ok { store.DirInfo.Exists -= len(msg.Uids) // False to trigger recount of recent/unseen store.DirInfo.AccurateCounts = false store.Update(msg) } case *types.MessagesCopied: acct.updateDirCounts(msg.Destination, msg.Uids) case *types.MessagesMoved: acct.updateDirCounts(msg.Destination, msg.Uids) case *types.LabelList: acct.labels = msg.Labels case *types.ConnError: logging.Errorf("%s connection error: %v", acct.acct.Name, msg.Error) acct.SetStatus(statusline.SetConnected(false)) acct.PushError(msg.Error) acct.msglist.SetStore(nil) acct.worker.PostAction(&types.Reconnect{}, nil) case *types.Error: logging.Errorf("%s unexpected error: %v", acct.acct.Name, msg.Error) acct.PushError(msg.Error) } acct.UpdateStatus() } func (acct *AccountView) updateDirCounts(destination string, uids []uint32) { // Only update the destination destStore if it is initialized if destStore, ok := acct.dirlist.MsgStore(destination); ok { var recent, unseen int var accurate bool = true for _, uid := range uids { // Get the message from the originating store msg, ok := acct.Store().Messages[uid] if !ok { continue } // If message that was not yet loaded is copied if msg == nil { accurate = false break } seen := false for _, flag := range msg.Flags { if flag == models.SeenFlag { seen = true } if flag == models.RecentFlag { recent++ } } if !seen { unseen++ } } if accurate { destStore.DirInfo.Recent += recent destStore.DirInfo.Unseen += unseen destStore.DirInfo.Exists += len(uids) // True. For imap, we don't have the message in the store until we // Select so we need to rely on the math we just did for accurate // counts destStore.DirInfo.AccurateCounts = true } else { destStore.DirInfo.Exists += len(uids) // False to trigger recount of recent/unseen destStore.DirInfo.AccurateCounts = false } } } func (acct *AccountView) GetSortCriteria() []*types.SortCriterion { if len(acct.UiConfig().Sort) == 0 { return nil } criteria, err := sort.GetSortCriteria(acct.UiConfig().Sort) if err != nil { acct.PushError(fmt.Errorf("ui sort: %w", err)) return nil } return criteria } func (acct *AccountView) CheckMail() { acct.Lock() defer acct.Unlock() if acct.checkingMail { return } // Exclude selected mailbox, per IMAP specification exclude := append(acct.AccountConfig().CheckMailExclude, acct.dirlist.Selected()) //nolint:gocritic // intentional append to different slice dirs := acct.dirlist.List() dirs = acct.dirlist.FilterDirs(dirs, acct.AccountConfig().CheckMailInclude, false) dirs = acct.dirlist.FilterDirs(dirs, exclude, true) logging.Infof("Checking for new mail on account %s", acct.Name()) acct.SetStatus(statusline.ConnectionActivity("Checking for new mail...")) msg := &types.CheckMail{ Directories: dirs, Command: acct.acct.CheckMailCmd, Timeout: acct.acct.CheckMailTimeout, } acct.checkingMail = true var cb func(types.WorkerMessage) cb = func(response types.WorkerMessage) { dirsMsg, ok := response.(*types.CheckMailDirectories) if ok { checkMailMsg := &types.CheckMail{ Directories: dirsMsg.Directories, Command: acct.acct.CheckMailCmd, Timeout: acct.acct.CheckMailTimeout, } acct.worker.PostAction(checkMailMsg, cb) } else { // Done acct.SetStatus(statusline.ConnectionActivity("")) acct.Lock() acct.checkingMail = false acct.Unlock() } } acct.worker.PostAction(msg, cb) } // CheckMailReset resets the check-mail timer func (acct *AccountView) CheckMailReset() { if acct.ticker != nil { d := acct.AccountConfig().CheckMail acct.ticker = time.NewTicker(d) } } func (acct *AccountView) checkMailOnStartup() { if acct.AccountConfig().CheckMail.Minutes() > 0 { acct.newConn = false acct.CheckMail() } } func (acct *AccountView) CheckMailTimer(d time.Duration) { acct.ticker = time.NewTicker(d) go func() { for range acct.ticker.C { if !acct.state.Connected() { continue } acct.CheckMail() } }() }