471 lines
9.7 KiB
Go
471 lines
9.7 KiB
Go
package session
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"git.andreafazzi.eu/andrea/probo/pkg/models"
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"git.andreafazzi.eu/andrea/probo/pkg/store/file"
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"github.com/alecthomas/chroma/quick"
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"github.com/charmbracelet/bubbles/help"
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"github.com/charmbracelet/bubbles/key"
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"github.com/charmbracelet/bubbles/spinner"
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btTable "github.com/charmbracelet/bubbles/table"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/glamour"
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"github.com/charmbracelet/huh"
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"github.com/charmbracelet/lipgloss"
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"github.com/d5/tengo/v2"
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"github.com/d5/tengo/v2/stdlib"
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"github.com/remogatto/sugarfoam/components/form"
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"github.com/remogatto/sugarfoam/components/group"
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"github.com/remogatto/sugarfoam/components/header"
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"github.com/remogatto/sugarfoam/components/statusbar"
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"github.com/remogatto/sugarfoam/components/table"
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"github.com/remogatto/sugarfoam/components/viewport"
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"github.com/remogatto/sugarfoam/layout"
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"github.com/remogatto/sugarfoam/layout/tiled"
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)
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type SessionModel struct {
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// UI
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form *form.Model
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viewport *viewport.Model
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table *table.Model
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group *group.Model
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help help.Model
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statusBar *statusbar.Model
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spinner spinner.Model
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// Layout
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document *layout.Layout
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// Key bindings
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bindings *keyBindings
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// file store
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store *file.SessionFileStore
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result []any
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// json
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FilteredJson string
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InputJson string
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Result string
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// session
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session *models.Session
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// markdown
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mdRenderer *glamour.TermRenderer
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// filter file
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scriptFilePath string
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state int
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}
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type keyBindings struct {
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group *group.Model
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quit, enter key.Binding
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}
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func (k *keyBindings) ShortHelp() []key.Binding {
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keys := make([]key.Binding, 0)
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current := k.group.Current()
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switch item := current.(type) {
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case *viewport.Model:
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keys = append(
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keys,
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item.KeyMap.Up,
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item.KeyMap.Down,
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)
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}
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keys = append(
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keys,
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k.quit,
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)
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return keys
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}
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func (k keyBindings) FullHelp() [][]key.Binding {
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return [][]key.Binding{
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{
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k.quit,
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},
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}
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}
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func newBindings(g *group.Model) *keyBindings {
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return &keyBindings{
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group: g,
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quit: key.NewBinding(
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key.WithKeys("esc"), key.WithHelp("esc", "Quit app"),
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),
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enter: key.NewBinding(
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key.WithKeys("enter"), key.WithHelp("enter", "Quit app and return the results"),
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),
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}
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}
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func New(path string, stdin string) *SessionModel {
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form := form.New(
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form.WithGroups(huh.NewGroup(
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huh.NewInput().
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Title("Session name").
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Description("Enter the name of the session"),
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)))
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form.
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WithShowHelp(false).
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WithTheme(huh.ThemeDracula())
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viewport := viewport.New()
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table := table.New(table.WithRelWidths(20, 30, 30, 20))
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table.Model.SetColumns([]btTable.Column{
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{Title: "Token", Width: 20},
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{Title: "Lastname", Width: 20},
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{Title: "Firstname", Width: 20},
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{Title: "Class", Width: 20},
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})
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help := help.New()
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group := group.New(
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group.WithItems(form, table, viewport),
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group.WithLayout(
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layout.New(
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layout.WithStyles(&layout.Styles{Container: lipgloss.NewStyle().Padding(1, 0, 1, 0)}),
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layout.WithItem(form),
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layout.WithItem(tiled.New(table, viewport)),
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),
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),
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)
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bindings := newBindings(group)
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statusBar := statusbar.New(bindings)
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s := spinner.New(
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spinner.WithStyle(
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lipgloss.NewStyle().Foreground(lipgloss.Color("265"))),
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)
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s.Spinner = spinner.Dot
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header := header.New(
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header.WithContent(
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lipgloss.NewStyle().
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Bold(true).
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Border(lipgloss.NormalBorder(), false, false, true, false).
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Render("✨ Create session ✨"),
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),
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)
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document := layout.New(
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layout.WithStyles(&layout.Styles{Container: lipgloss.NewStyle().Margin(1)}),
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layout.WithItem(header),
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layout.WithItem(group),
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layout.WithItem(statusBar),
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)
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renderer, err := glamour.NewTermRenderer(
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glamour.WithStandardStyle("dracula"),
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glamour.WithWordWrap(80),
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)
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if err != nil {
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panic(err)
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}
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return &SessionModel{
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form: form,
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table: table,
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viewport: viewport,
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group: group,
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statusBar: statusBar,
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spinner: s,
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document: document,
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mdRenderer: renderer,
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bindings: bindings,
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help: help,
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scriptFilePath: path,
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InputJson: stdin,
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}
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}
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func (m *SessionModel) Init() tea.Cmd {
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var cmds []tea.Cmd
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cmds = append(cmds, m.group.Init(), m.loadStore(), m.spinner.Tick)
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m.group.Focus()
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return tea.Batch(cmds...)
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}
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func (m *SessionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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var cmds []tea.Cmd
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switch msg := msg.(type) {
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case tea.WindowSizeMsg:
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m.handleWindowSize(msg)
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case tea.KeyMsg:
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switch {
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case key.Matches(msg, m.bindings.quit):
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m.FilteredJson = ""
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return m, tea.Quit
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case key.Matches(msg, m.bindings.enter):
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m.marshalJSON()
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return m, tea.Quit
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}
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case storeLoadedMsg:
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cmds = append(cmds, m.handleStoreLoaded(msg))
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case scriptExecutedMsg:
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m.handleScriptExecuted(msg)
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case errorMsg:
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m.handleError(msg)
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m.state = ErrorState
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}
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cmds = m.handleState(msg, cmds)
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return m, tea.Batch(cmds...)
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}
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func (m *SessionModel) View() string {
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return m.document.View()
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}
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func (m *SessionModel) executeScript(path string) tea.Cmd {
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return func() tea.Msg {
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if m.scriptFilePath == "" {
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return nil
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}
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sessionJson, err := json.Marshal(models.Session{Exams: map[string]*models.Exam{}})
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if err != nil {
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panic(err)
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}
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script, err := os.ReadFile(m.scriptFilePath)
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if err != nil {
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return errorMsg{err}
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}
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s := tengo.NewScript(script)
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s.SetImports(stdlib.GetModuleMap("fmt", "json"))
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_ = s.Add("input", m.InputJson)
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_ = s.Add("output", string(sessionJson))
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// compile the source
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c, err := s.Compile()
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if err != nil {
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return errorMsg{err}
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}
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if err := c.Run(); err != nil {
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return errorMsg{err}
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}
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return scriptExecutedMsg{fmt.Sprintf("%s", c.Get("output"))}
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}
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}
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func (m *SessionModel) marshalJSON() {
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var result interface{}
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err := json.Unmarshal([]byte(m.FilteredJson), &result)
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if err != nil {
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panic(err)
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}
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resultJson, err := json.Marshal(result)
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if err != nil {
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panic(err)
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}
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m.Result = string(resultJson)
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}
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func (m *SessionModel) showErrorOnStatusBar(err error) {
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m.statusBar.SetContent(
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stateFormats[ErrorState][0],
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fmt.Sprintf(stateFormats[ErrorState][1], err),
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stateFormats[ErrorState][2],
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)
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}
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func (m *SessionModel) updateTableContent(session *models.Session) {
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rows := make([]btTable.Row, 0)
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for token, exam := range session.Exams {
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rows = append(rows, btTable.Row{
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token,
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exam.Participant.Lastname,
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exam.Participant.Firstname,
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exam.Participant.Attributes.Get("class"),
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})
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}
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m.table.SetRows(rows)
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}
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func (m *SessionModel) updateViewportContent(session *models.Session) {
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currentToken := m.table.SelectedRow()[0]
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currentExam := session.Exams[currentToken]
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if currentExam == nil {
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panic("Current token is not associate to any exam")
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}
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md, err := currentExam.ToMarkdown()
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if err != nil {
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m.showErrorOnStatusBar(err)
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}
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result, err := m.mdRenderer.Render(md)
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if err != nil {
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m.showErrorOnStatusBar(err)
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}
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m.viewport.SetContent(result)
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}
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func (m *SessionModel) createMDRenderer(width int) *glamour.TermRenderer {
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renderer, err := glamour.NewTermRenderer(
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glamour.WithStandardStyle("dracula"),
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glamour.WithWordWrap(m.viewport.GetWidth()),
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)
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if err != nil {
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panic(err)
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}
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return renderer
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}
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func (m *SessionModel) handleWindowSize(msg tea.WindowSizeMsg) {
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m.group.SetSize(msg.Width, msg.Height)
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m.document.SetSize(msg.Width, msg.Height)
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m.mdRenderer = m.createMDRenderer(msg.Width)
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}
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func (m *SessionModel) handleError(msg tea.Msg) {
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err := msg.(errorMsg)
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m.statusBar.SetContent(
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stateFormats[ErrorState][0],
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fmt.Sprintf(stateFormats[ErrorState][1], err.error),
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stateFormats[ErrorState][2],
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)
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}
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func (m *SessionModel) handleScriptExecuted(msg tea.Msg) {
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session := new(models.Session)
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jsonData := []byte(msg.(scriptExecutedMsg).result)
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err := json.Unmarshal(jsonData, &session)
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if err != nil {
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panic(err)
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}
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m.session = session
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m.updateTableContent(session)
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m.updateViewportContent(session)
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m.state = BrowseState
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}
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func (m *SessionModel) handleStoreLoaded(msg tea.Msg) tea.Cmd {
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storeMsg := msg.(storeLoadedMsg)
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m.store = storeMsg.store
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return m.executeScript(m.scriptFilePath)
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}
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func (m *SessionModel) handleState(msg tea.Msg, cmds []tea.Cmd) []tea.Cmd {
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_, cmd := m.group.Update(msg)
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if m.state == LoadingStoreState {
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return m.updateSpinner(msg, cmd, cmds)
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}
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if m.state == BrowseState {
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m.updateViewportContent(m.session)
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}
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cmds = append(cmds, cmd /*, m.query(m.textInput.Value())*/)
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if m.state != ErrorState {
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m.statusBar.SetContent(stateFormats[BrowseState]...)
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}
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return cmds
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}
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func (m *SessionModel) updateSpinner(msg tea.Msg, cmd tea.Cmd, cmds []tea.Cmd) []tea.Cmd {
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m.spinner, cmd = m.spinner.Update(msg)
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m.statusBar.SetContent(fmt.Sprintf(stateFormats[m.state][0], m.spinner.View()), stateFormats[m.state][1], stateFormats[m.state][2])
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cmds = append(cmds, cmd)
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return cmds
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}
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func (m *SessionModel) loadStore() tea.Cmd {
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return func() tea.Msg {
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sStore, err := file.NewDefaultSessionFileStore()
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if err != nil {
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return errorMsg{err}
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}
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return storeLoadedMsg{sStore}
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}
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}
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func toColoredJson(data []any) (string, error) {
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result, err := json.MarshalIndent(data, "", " ")
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if err != nil {
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return "", err
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}
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coloredBytes := make([]byte, 0)
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buffer := bytes.NewBuffer(coloredBytes)
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err = quick.Highlight(buffer, string(result), "json", "terminal16m", "dracula")
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if err != nil {
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panic(err)
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}
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return sanitize(buffer.String()), nil
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}
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func toJson(data []any) (string, error) {
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result, err := json.Marshal(data)
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if err != nil {
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return "", err
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}
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return string(result), nil
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}
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func sanitize(text string) string {
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// FIXME: The use of a standard '-' character causes rendering
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// issues within the viewport. Further investigation is
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// required to resolve this problem.
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return strings.Replace(text, "-", "–", -1)
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}
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