feat: channel info view

internal/lnd/channel.go

@@ -8,7 +8,7 @@ import (
 
 // A wrapper around lndclient's ChannelInfo combined with a node Alias
 type Channel struct {
-	Info lndclient.ChannelInfo
+	Info  lndclient.ChannelInfo
 	Alias string
 }
 
@@ -19,6 +19,10 @@ func (c Channel) FilterValue() string {
 
 // bubbletea interface function
 func (c Channel) Title() string {
+	if !c.Info.Active {
+		return c.Alias + " (OFFLINE)"
+	}
+
 	return c.Alias
 }
 
@@ -28,8 +32,8 @@ func (c Channel) Description() string {
 	localBalance := c.Info.LocalBalance.ToBTC()
 	localBalancePercentage := localBalance / c.Info.Capacity.ToBTC()
 	prog := progress.New(progress.WithoutPercentage())
-	
-	return satsToShortString(c.Info.LocalBalance.ToUnit(btcutil.AmountSatoshi)) + 
-	" " + prog.ViewAs(localBalancePercentage) + " " + 
-	satsToShortString(c.Info.RemoteBalance.ToUnit(btcutil.AmountSatoshi))
-}
+
+	return satsToShortString(c.Info.LocalBalance.ToUnit(btcutil.AmountSatoshi)) +
+		" " + prog.ViewAs(localBalancePercentage) + " " +
+		satsToShortString(c.Info.RemoteBalance.ToUnit(btcutil.AmountSatoshi))
+}

internal/tui/base.go

@@ -0,0 +1,33 @@
+package tui
+
+import (
+	"github.com/charmbracelet/bubbles/key"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+// Base model that handles logic common to all views
+
+type BaseModel struct{}
+
+func NewBaseModel() *BaseModel {
+	return &BaseModel{}
+}
+
+func (m BaseModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch {
+		case key.Matches(msg, Keymap.Quit):
+			return m, tea.Quit
+		}
+	}
+	return m, nil
+}
+
+func (m BaseModel) Init() tea.Cmd {
+	return nil
+}
+
+func (m BaseModel) View() string {
+	return ""
+}

internal/tui/channel.go

@@ -0,0 +1,82 @@
+package tui
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/ardevd/flash/internal/lnd"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/lightninglabs/lndclient"
+)
+
+// Model for the Channel view
+type ChannelModel struct {
+	styles     *Styles
+	channel    lnd.Channel
+	lndService *lndclient.GrpcLndServices
+	ctx        context.Context
+	dashboard  *DashboardModel
+	base       BaseModel
+}
+
+func NewChannelModel(service *lndclient.GrpcLndServices, channel lnd.Channel, dashboard *DashboardModel) *ChannelModel {
+	m := ChannelModel{lndService: service, ctx: context.Background(), channel: channel, base: *NewBaseModel(), dashboard: dashboard}
+	m.styles = GetDefaultStyles()
+	return &m
+}
+
+func (m *ChannelModel) initData(width, height int) {
+	// TODO: Init list data
+
+}
+
+func (m ChannelModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	// Base model logic
+	model, cmd := m.base.Update(msg)
+	if cmd != nil {
+		return model, cmd
+	}
+
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		windowSizeMsg = msg
+
+		v, h := m.styles.BorderedStyle.GetFrameSize()
+		m.initData(windowSizeMsg.Width-h, windowSizeMsg.Height-v)
+
+	}
+	return m, cmd
+}
+
+func (m ChannelModel) Init() tea.Cmd {
+	return nil
+}
+
+func (m ChannelModel) getChannelStateView() string {
+	active := m.channel.Info.Active
+	var stateText string
+	if active {
+		stateText = m.styles.PositiveString("ONLINE") + "\n" + m.channel.Info.Uptime.String()
+	} else {
+		stateText = m.styles.NegativeString("OFFLINE\n")
+	}
+
+	return stateText + "\n" + m.styles.SubKeyword("Pending HTLCs: ") + fmt.Sprintf("%d", m.channel.Info.NumPendingHtlcs)
+
+}
+
+func (m ChannelModel) View() string {
+	s := m.styles
+	channelInfoView := lipgloss.JoinVertical(lipgloss.Left, s.BorderedStyle.Render(
+		s.Keyword(m.channel.Alias)+
+			"\n"+s.SubKeyword("pubkey:")+m.channel.Info.PubKeyBytes.String()+
+			"\n"+s.SubKeyword("chanpoint: ")+m.channel.Info.ChannelPoint))
+
+	channelStateView := lipgloss.JoinVertical(lipgloss.Center, s.BorderedStyle.Render(m.getChannelStateView()))
+
+	topView := lipgloss.JoinHorizontal(lipgloss.Left, channelInfoView, channelStateView)
+
+	return lipgloss.JoinVertical(lipgloss.Left,
+		topView)
+}

internal/tui/dashboard.go

@@ -28,6 +28,7 @@ var formSelection string
 func InitDashboard(service *lndclient.GrpcLndServices, nodeData lnd.NodeData) *DashboardModel {
 	m := DashboardModel{lndService: service, ctx: context.Background(), nodeData: nodeData}
 	m.styles = GetDefaultStyles()
+	m.base = *NewBaseModel()
 	return &m
 }
 
@@ -46,6 +47,12 @@ func (m *DashboardModel) initData(width, height int) {
 }
 
 func (m DashboardModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	// Base model logic
+	model, cmd := m.base.Update(msg)
+	if cmd != nil {
+		return model, cmd
+	}
+
 	switch msg := msg.(type) {
 	case tea.WindowSizeMsg:
 		windowSizeMsg = msg
@@ -64,14 +71,12 @@ func (m DashboardModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			switch m.focused {
 			case paymentTools, messageTools, channelTools:
 				return m.handleFormClick()
+			case channels:
+				return m.handleChannelClick()
 			}
-		case key.Matches(msg, Keymap.Quit):
-			m.quitting = true
-			return m, tea.Quit
 		}
 	}
 
-	var cmd tea.Cmd
 	switch m.focused {
 	case payments:
 		m.lists[m.focused], cmd = m.lists[m.focused].Update(msg)
@@ -97,10 +102,6 @@ func (m DashboardModel) Init() tea.Cmd {
 func (m DashboardModel) View() string {
 	s := m.styles
 
-	if m.quitting {
-		return ""
-	}
-
 	if m.loaded {
 		channelsView := m.lists[channels].View()
 		paymentsView := m.lists[payments].View()
@@ -223,6 +224,11 @@ func (m *DashboardModel) generateMessageToolsForm() *huh.Form {
 	return huh.NewForm(huh.NewGroup(s))
 }
 
+func (m *DashboardModel) handleChannelClick() (tea.Model, tea.Cmd) {
+	selectedChannel := m.lists[m.focused].SelectedItem().(lnd.Channel)
+	return NewChannelModel(m.lndService, selectedChannel, m).Update(windowSizeMsg)
+}
+
 func (m *DashboardModel) handleFormClick() (tea.Model, tea.Cmd) {
 	i := m.getInvoiceModel()
 	return i.Update(windowSizeMsg)
@@ -274,5 +280,5 @@ type DashboardModel struct {
 	nodeData   lnd.NodeData
 	ctx        context.Context
 	loaded     bool
-	quitting   bool
+	base       BaseModel
 }

internal/tui/invoice.go

@@ -58,6 +58,7 @@ type InvoiceModel struct {
 	ctx          context.Context
 	invoiceState InvoiceState
 	dashboard    *DashboardModel
+	base         *BaseModel
 }
 
 // Variables for form value reference
@@ -89,8 +90,9 @@ func isFormReady(v bool) error {
 // Invoice generation form
 func NewInvoiceModel(context context.Context, service *lndclient.GrpcLndServices, state InvoiceState, dashboard *DashboardModel) InvoiceModel {
 	m := InvoiceModel{width: maxWidth, lndService: service, ctx: context, invoiceState: state, dashboard: dashboard}
+	m.base = NewBaseModel()
 	m.lg = lipgloss.DefaultRenderer()
-	m.styles = NewDialogStyles(m.lg)
+	m.styles = NewStyles(m.lg)
 	m.form = huh.NewForm(
 		huh.NewGroup(
 			huh.NewInput().
@@ -133,6 +135,11 @@ func (m InvoiceModel) backToDashboard() (tea.Model, tea.Cmd) {
 
 // Handle update messages for the model
 func (m InvoiceModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	// Base model logic
+	model, cmd := m.base.Update(msg)
+	if cmd != nil {
+		return model, cmd
+	}
 	switch msg := msg.(type) {
 	case tea.WindowSizeMsg:
 		windowSizeMsg = msg
@@ -145,8 +152,6 @@ func (m InvoiceModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	case tea.KeyMsg:
 		switch {
-		case key.Matches(msg, Keymap.Quit):
-			return m, tea.Quit
 		case key.Matches(msg, Keymap.Back):
 			return m.backToDashboard()
 		case key.Matches(msg, Keymap.Enter):

internal/tui/styling.go

@@ -18,15 +18,17 @@ type Styles struct {
 	BorderedStyle,
 	FocusedStyle,
 	Help lipgloss.Style
-	Keyword    func(string) string
-	SubKeyword func(string) string
+	Keyword,
+	SubKeyword,
+	NegativeString,
+	PositiveString func(string) string
 }
 
 func GetDefaultStyles() *Styles {
-	return NewDialogStyles( lipgloss.DefaultRenderer())
+	return NewStyles(lipgloss.DefaultRenderer())
 }
 
-func NewDialogStyles(lg *lipgloss.Renderer) *Styles {
+func NewStyles(lg *lipgloss.Renderer) *Styles {
 	s := Styles{}
 	s.Base = lg.NewStyle().
 		Padding(1, 4, 0, 1)
@@ -51,6 +53,8 @@ func NewDialogStyles(lg *lipgloss.Renderer) *Styles {
 
 	s.Keyword = makeFgStyle("211")
 	s.SubKeyword = makeFgStyle("140")
+	s.NegativeString = makeFgStyle("125")
+	s.PositiveString = makeFgStyle("78")
 	s.BorderedStyle = lipgloss.NewStyle().
 		Padding(1, 2).
 		Border(lipgloss.RoundedBorder()).