repo.go

  1package repo
  2
  3import (
  4	"fmt"
  5
  6	"github.com/charmbracelet/bubbles/help"
  7	"github.com/charmbracelet/bubbles/key"
  8	tea "github.com/charmbracelet/bubbletea"
  9	"github.com/charmbracelet/lipgloss"
 10	ggit "github.com/charmbracelet/soft-serve/git"
 11	"github.com/charmbracelet/soft-serve/ui/common"
 12	"github.com/charmbracelet/soft-serve/ui/components/code"
 13	"github.com/charmbracelet/soft-serve/ui/components/selector"
 14	"github.com/charmbracelet/soft-serve/ui/components/statusbar"
 15	"github.com/charmbracelet/soft-serve/ui/components/tabs"
 16	"github.com/charmbracelet/soft-serve/ui/git"
 17	"github.com/charmbracelet/soft-serve/ui/pages/selection"
 18)
 19
 20type tab int
 21
 22const (
 23	readmeTab tab = iota
 24	filesTab
 25	commitsTab
 26	branchesTab
 27	tagsTab
 28)
 29
 30// UpdateStatusBarMsg updates the status bar.
 31type UpdateStatusBarMsg struct{}
 32
 33// RepoMsg is a message that contains a git.Repository.
 34type RepoMsg git.GitRepo
 35
 36// RefMsg is a message that contains a git.Reference.
 37type RefMsg *ggit.Reference
 38
 39// Repo is a view for a git repository.
 40type Repo struct {
 41	common       common.Common
 42	rs           git.GitRepoSource
 43	selectedRepo git.GitRepo
 44	selectedItem selection.Item
 45	activeTab    tab
 46	tabs         *tabs.Tabs
 47	statusbar    *statusbar.StatusBar
 48	boxes        []common.Component
 49	ref          *ggit.Reference
 50}
 51
 52// New returns a new Repo.
 53func New(c common.Common, rs git.GitRepoSource) *Repo {
 54	sb := statusbar.New(c)
 55	tb := tabs.New(c, []string{"Readme", "Files", "Commits", "Branches", "Tags"})
 56	readme := code.New(c, "", "")
 57	readme.NoContentStyle = readme.NoContentStyle.SetString("No readme found.")
 58	log := NewLog(c)
 59	files := NewFiles(c)
 60	branches := NewRefs(c, ggit.RefsHeads)
 61	tags := NewRefs(c, ggit.RefsTags)
 62	boxes := []common.Component{
 63		readme,
 64		files,
 65		log,
 66		branches,
 67		tags,
 68	}
 69	r := &Repo{
 70		common:    c,
 71		rs:        rs,
 72		tabs:      tb,
 73		statusbar: sb,
 74		boxes:     boxes,
 75	}
 76	return r
 77}
 78
 79// SetSize implements common.Component.
 80func (r *Repo) SetSize(width, height int) {
 81	r.common.SetSize(width, height)
 82	hm := r.common.Styles.RepoBody.GetVerticalFrameSize() +
 83		r.common.Styles.RepoHeader.GetHeight() +
 84		r.common.Styles.RepoHeader.GetVerticalFrameSize() +
 85		r.common.Styles.StatusBar.GetHeight() +
 86		r.common.Styles.Tabs.GetHeight() +
 87		r.common.Styles.Tabs.GetVerticalFrameSize()
 88	r.tabs.SetSize(width, height-hm)
 89	r.statusbar.SetSize(width, height-hm)
 90	for _, b := range r.boxes {
 91		b.SetSize(width, height-hm)
 92	}
 93}
 94
 95func (r *Repo) commonHelp() []key.Binding {
 96	b := make([]key.Binding, 0)
 97	back := r.common.KeyMap.Back
 98	back.SetHelp("esc", "back to menu")
 99	tab := r.common.KeyMap.Section
100	tab.SetHelp("tab", "switch tab")
101	b = append(b, back)
102	b = append(b, tab)
103	return b
104}
105
106// ShortHelp implements help.KeyMap.
107func (r *Repo) ShortHelp() []key.Binding {
108	b := r.commonHelp()
109	switch r.activeTab {
110	case readmeTab:
111		b = append(b, r.common.KeyMap.UpDown)
112	default:
113		b = append(b, r.boxes[commitsTab].(help.KeyMap).ShortHelp()...)
114	}
115	return b
116}
117
118// FullHelp implements help.KeyMap.
119func (r *Repo) FullHelp() [][]key.Binding {
120	b := make([][]key.Binding, 0)
121	b = append(b, r.commonHelp())
122	switch r.activeTab {
123	case readmeTab:
124		k := r.boxes[readmeTab].(*code.Code).KeyMap
125		b = append(b, [][]key.Binding{
126			{
127				k.PageDown,
128				k.PageUp,
129			},
130			{
131				k.HalfPageDown,
132				k.HalfPageUp,
133			},
134			{
135				k.Down,
136				k.Up,
137			},
138		}...)
139	default:
140		b = append(b, r.boxes[r.activeTab].(help.KeyMap).FullHelp()...)
141	}
142	return b
143}
144
145// Init implements tea.View.
146func (r *Repo) Init() tea.Cmd {
147	return nil
148}
149
150// Update implements tea.Model.
151func (r *Repo) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
152	cmds := make([]tea.Cmd, 0)
153	switch msg := msg.(type) {
154	case selector.SelectMsg:
155		switch msg.IdentifiableItem.(type) {
156		case selection.Item:
157			r.selectedItem = msg.IdentifiableItem.(selection.Item)
158		}
159	case RepoMsg:
160		r.activeTab = 0
161		r.selectedRepo = git.GitRepo(msg)
162		r.boxes[readmeTab].(*code.Code).GotoTop()
163		cmds = append(cmds,
164			r.tabs.Init(),
165			r.updateReadmeCmd,
166			r.updateRefCmd,
167			r.updateModels(msg),
168		)
169	case RefMsg:
170		r.ref = msg
171		for _, b := range r.boxes {
172			cmds = append(cmds, b.Init())
173		}
174		cmds = append(cmds,
175			r.updateStatusBarCmd,
176			r.updateModels(msg),
177		)
178	case tabs.SelectTabMsg:
179		r.activeTab = tab(msg)
180		t, cmd := r.tabs.Update(msg)
181		r.tabs = t.(*tabs.Tabs)
182		if cmd != nil {
183			cmds = append(cmds, cmd)
184		}
185	case tabs.ActiveTabMsg:
186		r.activeTab = tab(msg)
187		if r.selectedRepo != nil {
188			cmds = append(cmds, r.updateStatusBarCmd)
189		}
190	case tea.KeyMsg, tea.MouseMsg:
191		t, cmd := r.tabs.Update(msg)
192		r.tabs = t.(*tabs.Tabs)
193		if cmd != nil {
194			cmds = append(cmds, cmd)
195		}
196		if r.selectedRepo != nil {
197			cmds = append(cmds, r.updateStatusBarCmd)
198		}
199	case FileItemsMsg:
200		f, cmd := r.boxes[filesTab].Update(msg)
201		r.boxes[filesTab] = f.(*Files)
202		if cmd != nil {
203			cmds = append(cmds, cmd)
204		}
205	case LogCountMsg, LogItemsMsg:
206		l, cmd := r.boxes[commitsTab].Update(msg)
207		r.boxes[commitsTab] = l.(*Log)
208		if cmd != nil {
209			cmds = append(cmds, cmd)
210		}
211	case RefItemsMsg:
212		switch msg.prefix {
213		case ggit.RefsHeads:
214			b, cmd := r.boxes[branchesTab].Update(msg)
215			r.boxes[branchesTab] = b.(*Refs)
216			if cmd != nil {
217				cmds = append(cmds, cmd)
218			}
219		case ggit.RefsTags:
220			t, cmd := r.boxes[tagsTab].Update(msg)
221			r.boxes[tagsTab] = t.(*Refs)
222			if cmd != nil {
223				cmds = append(cmds, cmd)
224			}
225		}
226	case UpdateStatusBarMsg:
227		cmds = append(cmds, r.updateStatusBarCmd)
228	case tea.WindowSizeMsg:
229		b, cmd := r.boxes[readmeTab].Update(msg)
230		r.boxes[readmeTab] = b.(*code.Code)
231		if cmd != nil {
232			cmds = append(cmds, cmd)
233		}
234		cmds = append(cmds, r.updateModels(msg))
235	}
236	s, cmd := r.statusbar.Update(msg)
237	r.statusbar = s.(*statusbar.StatusBar)
238	if cmd != nil {
239		cmds = append(cmds, cmd)
240	}
241	m, cmd := r.boxes[r.activeTab].Update(msg)
242	r.boxes[r.activeTab] = m.(common.Component)
243	if cmd != nil {
244		cmds = append(cmds, cmd)
245	}
246	return r, tea.Batch(cmds...)
247}
248
249// View implements tea.Model.
250func (r *Repo) View() string {
251	s := r.common.Styles.Repo.Copy().
252		Width(r.common.Width).
253		Height(r.common.Height)
254	repoBodyStyle := r.common.Styles.RepoBody.Copy()
255	hm := repoBodyStyle.GetVerticalFrameSize() +
256		r.common.Styles.RepoHeader.GetHeight() +
257		r.common.Styles.RepoHeader.GetVerticalFrameSize() +
258		r.common.Styles.StatusBar.GetHeight() +
259		r.common.Styles.Tabs.GetHeight() +
260		r.common.Styles.Tabs.GetVerticalFrameSize()
261	mainStyle := repoBodyStyle.
262		Height(r.common.Height - hm)
263	main := r.boxes[r.activeTab].View()
264	view := lipgloss.JoinVertical(lipgloss.Top,
265		r.headerView(),
266		r.tabs.View(),
267		mainStyle.Render(main),
268		r.statusbar.View(),
269	)
270	return s.Render(view)
271}
272
273func (r *Repo) headerView() string {
274	if r.selectedRepo == nil {
275		return ""
276	}
277	name := r.common.Styles.RepoHeaderName.Render(r.selectedItem.Title())
278	// TODO move this into a style.
279	url := lipgloss.NewStyle().
280		MarginLeft(1).
281		Width(r.common.Width - lipgloss.Width(name) - 1).
282		Align(lipgloss.Right).
283		Render(r.selectedItem.URL())
284	desc := r.common.Styles.RepoHeaderDesc.Render(r.selectedItem.Description())
285	style := r.common.Styles.RepoHeader.Copy().Width(r.common.Width)
286	return style.Render(
287		lipgloss.JoinVertical(lipgloss.Top,
288			lipgloss.JoinHorizontal(lipgloss.Left,
289				name,
290				url,
291			),
292			desc,
293		),
294	)
295}
296
297func (r *Repo) setRepoCmd(repo string) tea.Cmd {
298	return func() tea.Msg {
299		for _, r := range r.rs.AllRepos() {
300			if r.Name() == repo {
301				return RepoMsg(r)
302			}
303		}
304		return common.ErrorMsg(git.ErrMissingRepo)
305	}
306}
307
308func (r *Repo) updateStatusBarCmd() tea.Msg {
309	var info, value string
310	switch r.activeTab {
311	case readmeTab:
312		info = fmt.Sprintf("%.f%%", r.boxes[readmeTab].(*code.Code).ScrollPercent()*100)
313	default:
314		value = r.boxes[r.activeTab].(statusbar.Model).StatusBarValue()
315		info = r.boxes[r.activeTab].(statusbar.Model).StatusBarInfo()
316	}
317	return statusbar.StatusBarMsg{
318		Key:    r.selectedRepo.Name(),
319		Value:  value,
320		Info:   info,
321		Branch: fmt.Sprintf(" %s", r.ref.Name().Short()),
322	}
323}
324
325func (r *Repo) updateReadmeCmd() tea.Msg {
326	if r.selectedRepo == nil {
327		return common.ErrorCmd(git.ErrMissingRepo)
328	}
329	rm, rp := r.selectedRepo.Readme()
330	return r.boxes[readmeTab].(*code.Code).SetContent(rm, rp)
331}
332
333func (r *Repo) updateRefCmd() tea.Msg {
334	head, err := r.selectedRepo.HEAD()
335	if err != nil {
336		return common.ErrorMsg(err)
337	}
338	return RefMsg(head)
339}
340
341func (r *Repo) updateModels(msg tea.Msg) tea.Cmd {
342	cmds := make([]tea.Cmd, 0)
343	for i, b := range r.boxes {
344		m, cmd := b.Update(msg)
345		r.boxes[i] = m.(common.Component)
346		if cmd != nil {
347			cmds = append(cmds, cmd)
348		}
349	}
350	return tea.Batch(cmds...)
351}
352
353func updateStatusBarCmd() tea.Msg {
354	return UpdateStatusBarMsg{}
355}