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- package filter
- import (
- "bytes"
- "encoding/json"
- "fmt"
- "os"
- "strings"
- "git.andreafazzi.eu/andrea/probo/pkg/store/file"
- "github.com/alecthomas/chroma/quick"
- "github.com/charmbracelet/bubbles/help"
- "github.com/charmbracelet/bubbles/key"
- "github.com/charmbracelet/bubbles/spinner"
- tea "github.com/charmbracelet/bubbletea"
- "github.com/charmbracelet/lipgloss"
- "github.com/itchyny/gojq"
- "github.com/remogatto/sugarfoam/components/group"
- "github.com/remogatto/sugarfoam/components/header"
- "github.com/remogatto/sugarfoam/components/statusbar"
- "github.com/remogatto/sugarfoam/components/textinput"
- "github.com/remogatto/sugarfoam/components/viewport"
- "github.com/remogatto/sugarfoam/layout"
- )
- type storeLoadedMsg struct {
- store []any
- }
- type resultMsg struct {
- result []any
- }
- type errorMsg struct {
- error error
- }
- type FilterModel struct {
- // UI
- textInput *textinput.Model
- viewport *viewport.Model
- group *group.Model
- help help.Model
- statusBar *statusbar.Model
- spinner spinner.Model
- // Layout
- document *layout.Layout
- // Key bindings
- bindings *keyBindings
- // file store
- store []any
- result []any
- // json
- lastQuery string
- FilteredJson string
- InputJson string
- Result string
- // filter file
- filterFilePath string
- state int
- filterType string
- }
- type keyBindings struct {
- group *group.Model
- quit, enter key.Binding
- }
- func (k *keyBindings) ShortHelp() []key.Binding {
- keys := make([]key.Binding, 0)
- current := k.group.Current()
- switch item := current.(type) {
- case *viewport.Model:
- keys = append(
- keys,
- item.KeyMap.Up,
- item.KeyMap.Down,
- )
- }
- keys = append(
- keys,
- k.quit,
- )
- return keys
- }
- func (k keyBindings) FullHelp() [][]key.Binding {
- return [][]key.Binding{
- {
- k.quit,
- },
- }
- }
- func newBindings(g *group.Model) *keyBindings {
- return &keyBindings{
- group: g,
- quit: key.NewBinding(
- key.WithKeys("esc"), key.WithHelp("esc", "Quit app"),
- ),
- enter: key.NewBinding(
- key.WithKeys("enter"), key.WithHelp("enter", "Quit app and return the results"),
- ),
- }
- }
- func New(path string, filterType string, stdin string) *FilterModel {
- textInput := textinput.New(
- textinput.WithPlaceholder("Write your jq filter here..."),
- )
- viewport := viewport.New()
- help := help.New()
- group := group.New(
- group.WithItems(textInput, viewport),
- group.WithLayout(
- layout.New(
- layout.WithStyles(&layout.Styles{Container: lipgloss.NewStyle().Padding(1, 0, 1, 0)}),
- layout.WithItem(textInput),
- layout.WithItem(viewport),
- ),
- ),
- )
- bindings := newBindings(group)
- statusBar := statusbar.New(bindings)
- s := spinner.New(
- spinner.WithStyle(
- lipgloss.NewStyle().Foreground(lipgloss.Color("265"))),
- )
- s.Spinner = spinner.Dot
- header := header.New(
- header.WithContent(
- lipgloss.NewStyle().
- Bold(true).
- Border(lipgloss.NormalBorder(), false, false, true, false).
- Render(filterTypeFormats[filterType]),
- ),
- )
- document := layout.New(
- layout.WithStyles(&layout.Styles{Container: lipgloss.NewStyle().Margin(1)}),
- layout.WithItem(header),
- layout.WithItem(group),
- layout.WithItem(statusBar),
- )
- return &FilterModel{
- textInput: textInput,
- viewport: viewport,
- group: group,
- statusBar: statusBar,
- spinner: s,
- document: document,
- bindings: bindings,
- help: help,
- filterType: filterType,
- filterFilePath: path,
- InputJson: stdin,
- }
- }
- func (m *FilterModel) Init() tea.Cmd {
- var cmds []tea.Cmd
- cmds = append(cmds, m.group.Init(), m.loadStore(), m.spinner.Tick)
- m.group.Focus()
- return tea.Batch(cmds...)
- }
- func (m *FilterModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
- var cmds []tea.Cmd
- switch msg := msg.(type) {
- case tea.WindowSizeMsg:
- m.document.SetSize(msg.Width, msg.Height)
- case tea.KeyMsg:
- switch {
- case key.Matches(msg, m.bindings.quit):
- m.FilteredJson = ""
- return m, tea.Quit
- case key.Matches(msg, m.bindings.enter):
- m.marshalJSON()
- return m, tea.Quit
- }
- case storeLoadedMsg:
- cmds = append(cmds, m.handleStoreLoaded(msg))
- case resultMsg:
- cmds = append(cmds, m.handleFiltered(msg))
- m.state = FilterState
- case errorMsg:
- m.handleError(msg)
- m.state = ErrorState
- }
- cmds = m.handleState(msg, cmds)
- return m, tea.Batch(cmds...)
- }
- func (m *FilterModel) View() string {
- return m.document.View()
- }
- func (m *FilterModel) marshalJSON() {
- if m.FilteredJson == "" {
- return
- }
- if m.InputJson != "" {
- // result := make([]interface{}, 2)
- // err := json.Unmarshal([]byte(m.InputJson), &result[0])
- // if err != nil {
- // panic(err)
- // }
- // filtered := fmt.Sprintf("{\"%s\": %s}", m.filterType, m.FilteredJson)
- // err = json.Unmarshal([]byte(filtered), &result[1])
- // if err != nil {
- // panic(err)
- // }
- // resultJson, err := json.Marshal(result)
- // if err != nil {
- // panic(err)
- // }
- // m.Result = string(resultJson)
- m.Result = fmt.Sprintf("{%s, \"%s\": %s}", strings.Trim(m.InputJson, "{}"), m.filterType, m.FilteredJson)
- } else {
- var result interface{}
- filtered := fmt.Sprintf("{\"%s\": %s}", m.filterType, m.FilteredJson)
- err := json.Unmarshal([]byte(filtered), &result)
- if err != nil {
- panic(err)
- }
- resultJson, err := json.Marshal(result)
- if err != nil {
- panic(err)
- }
- m.Result = string(resultJson)
- }
- }
- func (m *FilterModel) showErrorOnStatusBar(err error) {
- m.statusBar.SetContent(
- stateFormats[ErrorState][0],
- fmt.Sprintf(stateFormats[ErrorState][1], err),
- stateFormats[ErrorState][2],
- )
- }
- func (m *FilterModel) handleError(msg tea.Msg) {
- err := msg.(errorMsg)
- m.statusBar.SetContent(
- stateFormats[ErrorState][0],
- fmt.Sprintf(stateFormats[ErrorState][1], err.error),
- stateFormats[ErrorState][2],
- )
- }
- func (m *FilterModel) handleStoreLoaded(msg tea.Msg) tea.Cmd {
- return func() tea.Msg {
- storeMsg := msg.(storeLoadedMsg)
- m.store = storeMsg.store
- m.state = FilterState
- if m.filterFilePath != "" {
- jq, err := os.ReadFile(m.filterFilePath)
- if err != nil {
- panic(err)
- }
- m.textInput.SetValue(strings.TrimSpace(string(jq)))
- return m.query(strings.TrimSpace(string(jq)))
- }
- coloredJson, err := toColoredJson(m.store)
- if err != nil {
- return errorMsg{err}
- }
- m.viewport.SetContent(coloredJson)
- return m.query(".")
- }
- }
- func (m *FilterModel) handleFiltered(msg tea.Msg) tea.Cmd {
- return func() tea.Msg {
- m.result = msg.(resultMsg).result
- coloredJson, err := toColoredJson(m.result)
- if err != nil {
- return errorMsg{err}
- }
- json, err := toJson(m.result)
- if err != nil {
- return errorMsg{err}
- }
- m.FilteredJson = json
- m.viewport.SetContent(coloredJson)
- return nil
- }
- }
- func (m *FilterModel) handleState(msg tea.Msg, cmds []tea.Cmd) []tea.Cmd {
- _, cmd := m.group.Update(msg)
- if m.state == LoadingStoreState {
- return m.updateSpinner(msg, cmd, cmds)
- }
- cmds = append(cmds, cmd, m.query(m.textInput.Value()))
- if m.state != ErrorState {
- m.statusBar.SetContent(stateFormats[FilterState]...)
- }
- return cmds
- }
- func (m *FilterModel) updateSpinner(msg tea.Msg, cmd tea.Cmd, cmds []tea.Cmd) []tea.Cmd {
- m.spinner, cmd = m.spinner.Update(msg)
- m.statusBar.SetContent(fmt.Sprintf(stateFormats[m.state][0], m.spinner.View()), stateFormats[m.state][1], stateFormats[m.state][2])
- cmds = append(cmds, cmd)
- return cmds
- }
- func (m *FilterModel) loadStore() tea.Cmd {
- return func() tea.Msg {
- var jsonStore []byte
- if m.filterType == "participants" {
- pStore, err := file.NewDefaultParticipantFileStore()
- if err != nil {
- return errorMsg{err}
- }
- jsonStore, err = pStore.Storer.Json()
- if err != nil {
- return errorMsg{err}
- }
- } else if m.filterType == "quizzes" {
- qStore, err := file.NewDefaultQuizFileStore()
- if err != nil {
- return errorMsg{err}
- }
- jsonStore, err = qStore.Storer.Json()
- if err != nil {
- return errorMsg{err}
- }
- } else {
- panic("Unknown filter type!")
- }
- v := make([]any, 0)
- err := json.Unmarshal(jsonStore, &v)
- if err != nil {
- return errorMsg{err}
- }
- return storeLoadedMsg{v}
- }
- }
- func (m *FilterModel) query(input string) tea.Cmd {
- return func() tea.Msg {
- if input == m.lastQuery {
- return nil
- }
- if m.state == LoadingStoreState {
- return nil
- }
- m.lastQuery = input
- query, err := gojq.Parse(input)
- if err != nil {
- return errorMsg{fmt.Errorf("jq query parse error: %v", err)}
- }
- var result []string
- iter := query.Run(m.store)
- for {
- v, ok := iter.Next()
- if !ok {
- break
- }
- if err, ok := v.(error); ok {
- return errorMsg{fmt.Errorf("jq query run error: %v", err)}
- }
- b, err := json.MarshalIndent(v, "", " ")
- if err != nil {
- return errorMsg{err}
- }
- result = append(result, string(b))
- }
- v := make([]any, 0)
- err = json.Unmarshal([]byte(strings.Join(result, "\n")), &v)
- if err != nil {
- return errorMsg{err}
- }
- return resultMsg{v}
- }
- }
- func toColoredJson(data []any) (string, error) {
- result, err := json.MarshalIndent(data, "", " ")
- if err != nil {
- return "", err
- }
- coloredBytes := make([]byte, 0)
- buffer := bytes.NewBuffer(coloredBytes)
- err = quick.Highlight(buffer, string(result), "json", "terminal16m", "dracula")
- if err != nil {
- panic(err)
- }
- return sanitize(buffer.String()), nil
- }
- func toJson(data []any) (string, error) {
- result, err := json.Marshal(data)
- if err != nil {
- return "", err
- }
- return string(result), nil
- }
- func sanitize(text string) string {
- // FIXME: The use of a standard '-' character causes rendering
- // issues within the viewport. Further investigation is
- // required to resolve this problem.
- return strings.Replace(text, "-", "–", -1)
- }
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