selection.go

  1package selection
  2
  3import (
  4	"fmt"
  5	"sort"
  6
  7	"github.com/charmbracelet/bubbles/key"
  8	"github.com/charmbracelet/bubbles/list"
  9	tea "github.com/charmbracelet/bubbletea"
 10	"github.com/charmbracelet/lipgloss"
 11	"github.com/charmbracelet/soft-serve/server/access"
 12	"github.com/charmbracelet/soft-serve/server/backend"
 13	"github.com/charmbracelet/soft-serve/server/ui/common"
 14	"github.com/charmbracelet/soft-serve/server/ui/components/code"
 15	"github.com/charmbracelet/soft-serve/server/ui/components/selector"
 16	"github.com/charmbracelet/soft-serve/server/ui/components/tabs"
 17)
 18
 19const (
 20	defaultNoContent = "No readme found.\n\nCreate a `.soft-serve` repository and add a `README.md` file to display readme."
 21)
 22
 23type pane int
 24
 25const (
 26	selectorPane pane = iota
 27	readmePane
 28	lastPane
 29)
 30
 31func (p pane) String() string {
 32	return []string{
 33		"Repositories",
 34		"About",
 35	}[p]
 36}
 37
 38// Selection is the model for the selection screen/page.
 39type Selection struct {
 40	common       common.Common
 41	readme       *code.Code
 42	readmeHeight int
 43	selector     *selector.Selector
 44	activePane   pane
 45	tabs         *tabs.Tabs
 46}
 47
 48// New creates a new selection model.
 49func New(c common.Common) *Selection {
 50	ts := make([]string, lastPane)
 51	for i, b := range []pane{selectorPane, readmePane} {
 52		ts[i] = b.String()
 53	}
 54	t := tabs.New(c, ts)
 55	t.TabSeparator = c.Renderer.NewStyle()
 56	t.TabInactive = c.Styles.TopLevelNormalTab.Copy()
 57	t.TabActive = c.Styles.TopLevelActiveTab.Copy()
 58	t.TabDot = c.Styles.TopLevelActiveTabDot.Copy()
 59	t.UseDot = true
 60	sel := &Selection{
 61		common:     c,
 62		activePane: selectorPane, // start with the selector focused
 63		tabs:       t,
 64	}
 65	readme := code.New(c, "", "")
 66	readme.NoContentStyle = c.Styles.NoContent.Copy().
 67		SetString(defaultNoContent)
 68	selector := selector.New(c,
 69		[]selector.IdentifiableItem{},
 70		NewItemDelegate(&c, &sel.activePane))
 71	selector.SetShowTitle(false)
 72	selector.SetShowHelp(false)
 73	selector.SetShowStatusBar(false)
 74	selector.DisableQuitKeybindings()
 75	sel.selector = selector
 76	sel.readme = readme
 77	return sel
 78}
 79
 80func (s *Selection) getMargins() (wm, hm int) {
 81	wm = 0
 82	hm = s.common.Styles.Tabs.GetVerticalFrameSize() +
 83		s.common.Styles.Tabs.GetHeight()
 84	if s.activePane == selectorPane && s.IsFiltering() {
 85		// hide tabs when filtering
 86		hm = 0
 87	}
 88	return
 89}
 90
 91// FilterState returns the current filter state.
 92func (s *Selection) FilterState() list.FilterState {
 93	return s.selector.FilterState()
 94}
 95
 96// SetSize implements common.Component.
 97func (s *Selection) SetSize(width, height int) {
 98	s.common.SetSize(width, height)
 99	wm, hm := s.getMargins()
100	s.tabs.SetSize(width, height-hm)
101	s.selector.SetSize(width-wm, height-hm)
102	s.readme.SetSize(width-wm, height-hm-1) // -1 for readme status line
103}
104
105// IsFiltering returns true if the selector is currently filtering.
106func (s *Selection) IsFiltering() bool {
107	return s.FilterState() == list.Filtering
108}
109
110// ShortHelp implements help.KeyMap.
111func (s *Selection) ShortHelp() []key.Binding {
112	k := s.selector.KeyMap
113	kb := make([]key.Binding, 0)
114	kb = append(kb,
115		s.common.KeyMap.UpDown,
116		s.common.KeyMap.Section,
117	)
118	if s.activePane == selectorPane {
119		copyKey := s.common.KeyMap.Copy
120		copyKey.SetHelp("c", "copy command")
121		kb = append(kb,
122			s.common.KeyMap.Select,
123			k.Filter,
124			k.ClearFilter,
125			copyKey,
126		)
127	}
128	return kb
129}
130
131// FullHelp implements help.KeyMap.
132func (s *Selection) FullHelp() [][]key.Binding {
133	b := [][]key.Binding{
134		{
135			s.common.KeyMap.Section,
136		},
137	}
138	switch s.activePane {
139	case readmePane:
140		k := s.readme.KeyMap
141		b = append(b, []key.Binding{
142			k.PageDown,
143			k.PageUp,
144		})
145		b = append(b, []key.Binding{
146			k.HalfPageDown,
147			k.HalfPageUp,
148		})
149		b = append(b, []key.Binding{
150			k.Down,
151			k.Up,
152		})
153	case selectorPane:
154		copyKey := s.common.KeyMap.Copy
155		copyKey.SetHelp("c", "copy command")
156		k := s.selector.KeyMap
157		if !s.IsFiltering() {
158			b[0] = append(b[0],
159				s.common.KeyMap.Select,
160				copyKey,
161			)
162		}
163		b = append(b, []key.Binding{
164			k.CursorUp,
165			k.CursorDown,
166		})
167		b = append(b, []key.Binding{
168			k.NextPage,
169			k.PrevPage,
170			k.GoToStart,
171			k.GoToEnd,
172		})
173		b = append(b, []key.Binding{
174			k.Filter,
175			k.ClearFilter,
176			k.CancelWhileFiltering,
177			k.AcceptWhileFiltering,
178		})
179	}
180	return b
181}
182
183// Init implements tea.Model.
184func (s *Selection) Init() tea.Cmd {
185	ctx := s.common.Context()
186	cfg := s.common.Config()
187	var readmeCmd tea.Cmd
188	be := s.common.Backend()
189	if be == nil {
190		return nil
191	}
192
193	pk := s.common.PublicKey()
194	if pk == nil && !be.AllowKeyless(ctx) {
195		return nil
196	}
197
198	// TODO: fixme
199	repos, _ := be.Repositories(ctx, 1, 10)
200	user := s.common.User()
201
202	sortedItems := make(Items, 0)
203	for _, r := range repos {
204		if r.Name() == ".soft-serve" {
205			readme, path, err := backend.Readme(r)
206			if err != nil {
207				continue
208			}
209
210			readmeCmd = s.readme.SetContent(readme, path)
211		}
212
213		if r.IsHidden() {
214			continue
215		}
216
217		al, _ := be.AccessLevel(ctx, r.Name(), user)
218		if al >= access.ReadOnlyAccess {
219			item, err := NewItem(cfg, r)
220			if err != nil {
221				s.common.Logger.Debugf("ui: failed to create item for %s: %v", r.Name(), err)
222				continue
223			}
224			sortedItems = append(sortedItems, item)
225		}
226	}
227	sort.Sort(sortedItems)
228	items := make([]selector.IdentifiableItem, len(sortedItems))
229	for i, it := range sortedItems {
230		items[i] = it
231	}
232	return tea.Batch(
233		s.selector.Init(),
234		s.selector.SetItems(items),
235		readmeCmd,
236	)
237}
238
239// Update implements tea.Model.
240func (s *Selection) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
241	cmds := make([]tea.Cmd, 0)
242	switch msg := msg.(type) {
243	case tea.WindowSizeMsg:
244		r, cmd := s.readme.Update(msg)
245		s.readme = r.(*code.Code)
246		if cmd != nil {
247			cmds = append(cmds, cmd)
248		}
249		m, cmd := s.selector.Update(msg)
250		s.selector = m.(*selector.Selector)
251		if cmd != nil {
252			cmds = append(cmds, cmd)
253		}
254	case tea.KeyMsg, tea.MouseMsg:
255		switch msg := msg.(type) {
256		case tea.KeyMsg:
257			switch {
258			case key.Matches(msg, s.common.KeyMap.Back):
259				cmds = append(cmds, s.selector.Init())
260			}
261		}
262		t, cmd := s.tabs.Update(msg)
263		s.tabs = t.(*tabs.Tabs)
264		if cmd != nil {
265			cmds = append(cmds, cmd)
266		}
267	case tabs.ActiveTabMsg:
268		s.activePane = pane(msg)
269	}
270	switch s.activePane {
271	case readmePane:
272		r, cmd := s.readme.Update(msg)
273		s.readme = r.(*code.Code)
274		if cmd != nil {
275			cmds = append(cmds, cmd)
276		}
277	case selectorPane:
278		m, cmd := s.selector.Update(msg)
279		s.selector = m.(*selector.Selector)
280		if cmd != nil {
281			cmds = append(cmds, cmd)
282		}
283	}
284	return s, tea.Batch(cmds...)
285}
286
287// View implements tea.Model.
288func (s *Selection) View() string {
289	var view string
290	wm, hm := s.getMargins()
291	switch s.activePane {
292	case selectorPane:
293		ss := s.common.Renderer.NewStyle().
294			Width(s.common.Width - wm).
295			Height(s.common.Height - hm)
296		view = ss.Render(s.selector.View())
297	case readmePane:
298		rs := s.common.Renderer.NewStyle().
299			Height(s.common.Height - hm)
300		status := fmt.Sprintf("☰ %.f%%", s.readme.ScrollPercent()*100)
301		readmeStatus := s.common.Renderer.NewStyle().
302			Align(lipgloss.Right).
303			Width(s.common.Width - wm).
304			Foreground(s.common.Styles.InactiveBorderColor).
305			Render(status)
306		view = rs.Render(lipgloss.JoinVertical(lipgloss.Left,
307			s.readme.View(),
308			readmeStatus,
309		))
310	}
311	if s.activePane != selectorPane || s.FilterState() != list.Filtering {
312		tabs := s.common.Styles.Tabs.Render(s.tabs.View())
313		view = lipgloss.JoinVertical(lipgloss.Left,
314			tabs,
315			view,
316		)
317	}
318	return lipgloss.JoinVertical(
319		lipgloss.Left,
320		view,
321	)
322}