more idiomatic setup of tui

cmd/terminal-client/tui/basemodel.go

@@ -11,13 +11,12 @@ import (
 )
 
 type baseModel struct {
-	config      Config
 	emdb        *client.EMDB
 	tmdb        *client.TMDB
 	Tabs        []string
 	TabContent  tea.Model
 	activeTab   int
-	ready       bool
+	initialized bool
 	logger      *Logger
 	logViewport viewport.Model
 	windowSize  tea.WindowSizeMsg
@@ -25,6 +24,22 @@ type baseModel struct {
 	tabSize     tea.WindowSizeMsg
 }
 
+func NewBaseModel(emdb *client.EMDB, tmdb *client.TMDB, logger *Logger) (tea.Model, tea.Cmd) {
+	logViewport := viewport.New(0, 0)
+	logViewport.KeyMap = viewport.KeyMap{}
+
+	m := baseModel{
+		emdb:        emdb,
+		tmdb:        tmdb,
+		Tabs:        []string{"Erik's movie database", "The movie database"},
+		logViewport: logViewport,
+		logger:      logger,
+	}
+	m.setSize()
+
+	return m, nil
+}
+
 func (m baseModel) Init() tea.Cmd {
 	return nil
 }
@@ -47,8 +62,10 @@ func (m baseModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 	case tea.WindowSizeMsg:
 		m.windowSize = msg
-		if !m.ready {
-			m.initialModel()
+		if !m.initialized {
+			m.TabContent, cmd = NewEMDBTab(m.emdb, m.logger)
+			cmds = append(cmds, cmd)
+			m.initialized = true
 		}
 		m.Log(fmt.Sprintf("new window size: %dx%d", msg.Width, msg.Height))
 		m.setSize()
@@ -76,7 +93,7 @@ func (m *baseModel) Log(msg string) {
 }
 
 func (m baseModel) View() string {
-	if !m.ready {
+	if !m.initialized {
 		return "\n  Initializing..."
 	}
 
@@ -116,14 +133,6 @@ func (m *baseModel) renderLog() string {
 	return windowStyle.Width(m.contentSize.Width).Height(logLineCount).Render(m.logViewport.View())
 }
 
-func (m *baseModel) initialModel() {
-	m.logViewport = viewport.New(0, 0)
-	m.logViewport.KeyMap = viewport.KeyMap{}
-	m.setSize()
-
-	m.ready = true
-}
-
 func (m *baseModel) setSize() {
 	logHeight := logLineCount + docStyle.GetVerticalFrameSize()
 	menuHeight := 1

cmd/terminal-client/tui/command.go

@@ -1 +1,23 @@
 package tui
+
+import (
+	"fmt"
+
+	"ewintr.nl/emdb/client"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func FetchMovieList(emdb *client.EMDB, logger *Logger) tea.Cmd {
+	return func() tea.Msg {
+		logger.Log("fetching emdb movies...")
+		ems, err := emdb.GetMovies()
+		if err != nil {
+			logger.Log(err.Error())
+		}
+
+		//m.list.SetItems(items)
+		logger.Log(fmt.Sprintf("found %d movies in in emdb", len(ems)))
+
+		return Movies(ems)
+	}
+}

cmd/terminal-client/tui/movie.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"ewintr.nl/emdb/model"
+	"github.com/charmbracelet/bubbles/list"
 )
 
 type Movie struct {
@@ -21,3 +22,13 @@ func (m Movie) Title() string {
 func (m Movie) Description() string {
 	return fmt.Sprintf("%s", m.m.Summary)
 }
+
+type Movies []model.Movie
+
+func (ms Movies) listItems() []list.Item {
+	items := []list.Item{}
+	for _, m := range ms {
+		items = append(items, Movie{m: m})
+	}
+	return items
+}

cmd/terminal-client/tui/tabemdb.go

@@ -1,25 +1,30 @@
 package tui
 
 import (
-	"fmt"
-
+	"ewintr.nl/emdb/client"
 	"github.com/charmbracelet/bubbles/list"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
 type emdbTab struct {
-	ready  bool
+	initialized bool
 	list        list.Model
-	parent *baseModel
+	emdb        *client.EMDB
 	logger      *Logger
 }
 
-func NewEMDBTab(parent *baseModel, logger *Logger) tea.Model {
-	m := emdbTab{}
-	m.parent = parent
-	m.logger = logger
+func NewEMDBTab(emdb *client.EMDB, logger *Logger) (tea.Model, tea.Cmd) {
+	list := list.New([]list.Item{}, list.NewDefaultDelegate(), 0, 0)
+	list.Title = "Movies"
+	list.SetShowHelp(false)
 
-	return m
+	m := emdbTab{
+		emdb:   emdb,
+		logger: logger,
+		list:   list,
+	}
+
+	return m, FetchMovieList(emdb, logger)
 }
 
 func (m emdbTab) Init() tea.Cmd {
@@ -32,10 +37,13 @@ func (m emdbTab) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	switch msg := msg.(type) {
 	case TabSizeMsgType:
-		if !m.ready {
-			m.initialModel()
+		if !m.initialized {
+			//cmds = append(cmds, FetchMovieList(m.emdb, m.logger))
+			m.initialized = true
 		}
 		m.list.SetSize(msg.Width, msg.Height)
+	case Movies:
+		m.list.SetItems(msg.listItems())
 	}
 
 	m.list, cmd = m.list.Update(msg)
@@ -48,29 +56,6 @@ func (m emdbTab) View() string {
 	return m.list.View()
 }
 
-func (m *emdbTab) initialModel() {
-	m.list = list.New([]list.Item{}, list.NewDefaultDelegate(), 0, 0)
-	m.list.Title = "Movies"
-	m.list.SetShowHelp(false)
-	m.refreshMovieList()
-	m.ready = true
-}
-
 func (m *emdbTab) Log(s string) {
 	m.logger.Log(s)
 }
-
-func (m *emdbTab) refreshMovieList() {
-	m.Log("fetch emdb movies...")
-	ems, err := m.parent.emdb.GetMovies()
-	if err != nil {
-		m.Log(err.Error())
-	}
-	items := make([]list.Item, len(ems))
-	for i, em := range ems {
-		items[i] = list.Item(Movie{m: em})
-	}
-	m.list.SetItems(items)
-	m.Log(fmt.Sprintf("found %d movies in in emdb", len(items)))
-
-}

cmd/terminal-client/tui/tui.go

@@ -43,19 +43,12 @@ func (l *Logger) Log(s string) {
 type TabSizeMsgType tea.WindowSizeMsg
 
 func New(conf Config, logger *Logger) (*tea.Program, error) {
-	tabs := []string{"Erik's movie database", "The movie database"}
 	tmdb, err := client.NewTMDB(conf.TMDBAPIKey)
 	if err != nil {
 		return nil, err
 	}
-	m := baseModel{
-		config: conf,
-		emdb:   client.NewEMDB(conf.EMDBBaseURL, conf.EMDBAPIKey),
-		tmdb:   tmdb,
-		Tabs:   tabs,
-		logger: logger,
-	}
-	m.TabContent = NewEMDBTab(&m, m.logger)
+	emdb := client.NewEMDB(conf.EMDBBaseURL, conf.EMDBAPIKey)
+	m, _ := NewBaseModel(emdb, tmdb, logger)
 
 	p := tea.NewProgram(m, tea.WithAltScreen())