lmcli/pkg/tui/views/conversations/conversations.go
Matt Low 443c8096d3 TUI refactor
- Clean up, improved startup logic, initial conversation load
- Moved converation/message business logic (mostly) into `model/tui`
2024-09-16 00:48:45 +00:00

323 lines
8.4 KiB
Go

package conversations
import (
"fmt"
"strings"
"time"
"git.mlow.ca/mlow/lmcli/pkg/api"
"git.mlow.ca/mlow/lmcli/pkg/tui/bubbles"
"git.mlow.ca/mlow/lmcli/pkg/tui/model"
"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
"git.mlow.ca/mlow/lmcli/pkg/tui/styles"
tuiutil "git.mlow.ca/mlow/lmcli/pkg/tui/util"
"git.mlow.ca/mlow/lmcli/pkg/util"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
type (
// sent when conversation list is loaded
msgConversationsLoaded ([]model.LoadedConversation)
// sent when a conversation is selected
msgConversationSelected api.Conversation
// sent when a conversation is deleted
msgConversationDeleted struct{}
)
type Model struct {
shared.Shared
shared.Sections
App *model.AppModel
cursor int
itemOffsets []int // conversation y offsets
content viewport.Model
confirmPrompt bubbles.ConfirmPrompt
}
func Conversations(app *model.AppModel, shared shared.Shared) Model {
m := Model{
App: app,
Shared: shared,
content: viewport.New(0, 0),
}
return m
}
func (m *Model) HandleInput(msg tea.KeyMsg) (bool, tea.Cmd) {
if m.confirmPrompt.Focused() {
var cmd tea.Cmd
m.confirmPrompt, cmd = m.confirmPrompt.Update(msg)
if cmd != nil {
return true, cmd
}
}
switch msg.String() {
case "enter":
if len(m.App.Conversations) > 0 && m.cursor < len(m.App.Conversations) {
m.App.Conversation = &m.App.Conversations[m.cursor].Conv
m.App.Messages = []api.Message{}
return true, func() tea.Msg {
return shared.MsgViewChange(shared.StateChat)
}
}
case "j", "down":
if m.cursor < len(m.App.Conversations)-1 {
m.cursor++
if m.cursor == len(m.App.Conversations)-1 {
m.content.GotoBottom()
} else {
// this hack positions the *next* conversatoin slightly
// *off* the screen, ensuring the entire m.cursor is shown,
// even if its height may not be constant due to wrapping.
tuiutil.ScrollIntoView(&m.content, m.itemOffsets[m.cursor+1], -1)
}
m.content.SetContent(m.renderConversationList())
} else {
m.cursor = len(m.App.Conversations) - 1
m.content.GotoBottom()
}
return true, nil
case "k", "up":
if m.cursor > 0 {
m.cursor--
if m.cursor == 0 {
m.content.GotoTop()
} else {
tuiutil.ScrollIntoView(&m.content, m.itemOffsets[m.cursor], 1)
}
m.content.SetContent(m.renderConversationList())
} else {
m.cursor = 0
m.content.GotoTop()
}
return true, nil
case "n":
// new conversation
case "d":
if !m.confirmPrompt.Focused() && len(m.App.Conversations) > 0 && m.cursor < len(m.App.Conversations) {
title := m.App.Conversations[m.cursor].Conv.Title
if title == "" {
title = "(untitled)"
}
m.confirmPrompt = bubbles.NewConfirmPrompt(
fmt.Sprintf("Delete '%s'?", title),
m.App.Conversations[m.cursor].Conv,
)
m.confirmPrompt.Style = lipgloss.NewStyle().
Bold(true).
Foreground(lipgloss.Color("3"))
return true, nil
}
case "c":
// copy/clone conversation
case "r":
// show prompt to rename conversation
case "shift+r":
// show prompt to generate name for conversation
}
return false, nil
}
func (m Model) Init() tea.Cmd {
return m.loadConversations()
}
func (m *Model) HandleResize(width, height int) {
m.Width, m.Height = width, height
m.content.Width = width
}
func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
var cmds []tea.Cmd
switch msg := msg.(type) {
case shared.MsgViewEnter:
cmds = append(cmds, m.loadConversations())
m.content.SetContent(m.renderConversationList())
case tea.WindowSizeMsg:
m.HandleResize(msg.Width, msg.Height)
m.content.SetContent(m.renderConversationList())
case msgConversationsLoaded:
m.App.Conversations = msg
m.cursor = max(0, min(len(m.App.Conversations), m.cursor))
m.content.SetContent(m.renderConversationList())
case bubbles.MsgConfirmPromptAnswered:
m.confirmPrompt.Blur()
if msg.Value {
conv, ok := msg.Payload.(api.Conversation)
if ok {
cmds = append(cmds, m.deleteConversation(conv))
}
}
case msgConversationDeleted:
cmds = append(cmds, m.loadConversations())
}
var cmd tea.Cmd
m.content, cmd = m.content.Update(msg)
if cmd != nil {
cmds = append(cmds, cmd)
}
if m.Width > 0 {
wrap := lipgloss.NewStyle().Width(m.Width)
m.Header = m.headerView()
m.Footer = "" // TODO: "Press ? for help"
if m.confirmPrompt.Focused() {
m.Footer = wrap.Render(m.confirmPrompt.View())
}
m.Error = tuiutil.ErrorBanner(m.Err, m.Width)
fixedHeight := tuiutil.Height(m.Header) + tuiutil.Height(m.Error) + tuiutil.Height(m.Footer)
m.content.Height = m.Height - fixedHeight
m.Content = m.content.View()
}
return m, tea.Batch(cmds...)
}
func (m *Model) loadConversations() tea.Cmd {
return func() tea.Msg {
err, conversations := m.App.LoadConversations()
if err != nil {
return shared.MsgError(fmt.Errorf("Could not load conversations: %v", err))
}
return msgConversationsLoaded(conversations)
}
}
func (m *Model) deleteConversation(conv api.Conversation) tea.Cmd {
return func() tea.Msg {
err := m.App.Ctx.Store.DeleteConversation(&conv)
if err != nil {
return shared.MsgError(fmt.Errorf("Could not delete conversation: %v", err))
}
return msgConversationDeleted{}
}
}
func (m Model) View() string {
if m.Width == 0 {
return ""
}
sections := make([]string, 0, 6)
if m.Header != "" {
sections = append(sections, m.Header)
}
sections = append(sections, m.Content)
if m.Error != "" {
sections = append(sections, m.Error)
}
if m.Footer != "" {
sections = append(sections, m.Footer)
}
return lipgloss.JoinVertical(lipgloss.Left, sections...)
}
func (m *Model) headerView() string {
titleStyle := lipgloss.NewStyle().Bold(true)
header := titleStyle.Render("Conversations")
return styles.Header.Width(m.Width).Render(header)
}
func (m *Model) renderConversationList() string {
now := time.Now()
midnight := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
monthStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
dayOfWeek := int(now.Weekday())
categories := []struct {
name string
cutoff time.Duration
}{
{"Today", now.Sub(midnight)},
{"Yesterday", now.Sub(midnight.AddDate(0, 0, -1))},
{"This week", now.Sub(midnight.AddDate(0, 0, -dayOfWeek))},
{"Last week", now.Sub(midnight.AddDate(0, 0, -(dayOfWeek + 7)))},
{"This month", now.Sub(monthStart)},
{"Last month", now.Sub(monthStart.AddDate(0, -1, 0))},
{"2 Months ago", now.Sub(monthStart.AddDate(0, -2, 0))},
{"3 Months ago", now.Sub(monthStart.AddDate(0, -3, 0))},
{"4 Months ago", now.Sub(monthStart.AddDate(0, -4, 0))},
{"5 Months ago", now.Sub(monthStart.AddDate(0, -5, 0))},
{"6 Months ago", now.Sub(monthStart.AddDate(0, -6, 0))},
{"Older", now.Sub(time.Time{})},
}
categoryStyle := lipgloss.NewStyle().
MarginBottom(1).
Foreground(lipgloss.Color("12")).
PaddingLeft(1).
Bold(true)
itemStyle := lipgloss.NewStyle().
MarginBottom(1)
ageStyle := lipgloss.NewStyle().Faint(true).SetString()
titleStyle := lipgloss.NewStyle().Bold(true)
untitledStyle := lipgloss.NewStyle().Faint(true).Italic(true)
selectedStyle := lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("6"))
var (
currentOffset int
currentCategory string
sb strings.Builder
)
m.itemOffsets = make([]int, len(m.App.Conversations))
sb.WriteRune('\n')
currentOffset += 1
for i, c := range m.App.Conversations {
lastReplyAge := now.Sub(c.LastReply.CreatedAt)
var category string
for _, g := range categories {
if lastReplyAge < g.cutoff {
category = g.name
break
}
}
// print the category
if category != currentCategory {
currentCategory = category
heading := categoryStyle.Render(currentCategory)
sb.WriteString(heading)
currentOffset += tuiutil.Height(heading)
sb.WriteRune('\n')
}
tStyle := titleStyle.Copy()
if c.Conv.Title == "" {
tStyle = tStyle.Inherit(untitledStyle).SetString("(untitled)")
}
if i == m.cursor {
tStyle = tStyle.Inherit(selectedStyle)
}
title := tStyle.Width(m.Width - 3).PaddingLeft(2).Render(c.Conv.Title)
if i == m.cursor {
title = ">" + title[1:]
}
m.itemOffsets[i] = currentOffset
item := itemStyle.Render(fmt.Sprintf(
"%s\n %s",
title,
ageStyle.Render(util.HumanTimeElapsedSince(lastReplyAge)),
))
sb.WriteString(item)
currentOffset += tuiutil.Height(item)
if i < len(m.App.Conversations)-1 {
sb.WriteRune('\n')
}
}
return sb.String()
}