add reviewer assigning

tui.go

@@ -65,8 +65,10 @@ type threadRepliedMsg struct {
 }
 
 type pullRequestUpdatedMsg struct {
-	metadata PullRequestMetadata
-	err      error
+	metadata    PullRequestMetadata
+	people      PullRequestPeople
+	peopleSaved bool
+	err         error
 }
 
 type autoMergeUpdatedMsg struct {
@@ -103,6 +105,12 @@ type branchesLoadedMsg struct {
 	err      error
 }
 
+type repositoryUsersLoadedMsg struct {
+	owner, repo string
+	users       []RepositoryUser
+	err         error
+}
+
 type detailsEnrichedMsg struct {
 	enrichment PRDetailsEnrichment
 	requestID  uint64
@@ -146,12 +154,16 @@ type App struct {
 	autoMergeTarget       bool
 	mergeMethod           string
 	prEditField           int
-	prEditEditors         [3]textEditor
+	prEditEditors         [prEditFieldCount]textEditor
 	prEditOriginal        PullRequestMetadata
 	prEditBranches        []RepositoryBranch
 	prEditBranchesLoading bool
 	prEditBranchesError   string
 	prEditBranchIndex     int
+	prEditUsers           []RepositoryUser
+	prEditUsersLoading    bool
+	prEditUsersError      string
+	prEditUserIndex       int
 	cursorOutput          *terminalCursorOutput
 
 	foldResolved           bool
@@ -871,6 +883,22 @@ func (m App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.prEditBranchesError = ""
 		m.prEditBranchIndex = 0
 		m.ensurePREditCursorVisible()
+	case repositoryUsersLoadedMsg:
+		if m.writeMode != writePREdit ||
+			msg.owner != m.details.Owner || msg.repo != m.details.Repository {
+			return m, nil
+		}
+		m.prEditUsersLoading = false
+		if msg.err != nil {
+			m.prEditUsersError = msg.err.Error()
+			m.recordHealth("repository user recommendations", healthWarning, msg.err.Error())
+			m.ensurePREditCursorVisible()
+			return m, nil
+		}
+		m.prEditUsers = msg.users
+		m.prEditUsersError = ""
+		m.prEditUserIndex = 0
+		m.ensurePREditCursorVisible()
 	case threadResolvedMsg:
 		m.writeMode = writeNone
 		if msg.err != nil {
@@ -960,6 +988,11 @@ func (m App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case pullRequestUpdatedMsg:
 		if msg.err != nil {
 			m.writeMode = writePREdit
+			if msg.peopleSaved {
+				m.applyPREditPeople(msg.people)
+				m.prEditOriginal.Reviewers = slices.Clone(msg.people.Reviewers)
+				m.prEditOriginal.Assignees = slices.Clone(msg.people.Assignees)
+			}
 			m.err = fmt.Errorf("update pull request: %w", msg.err)
 			m.recordHealth("PR metadata update", healthError, msg.err.Error())
 			m.scroll = 0
@@ -969,6 +1002,10 @@ func (m App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.details.Title = msg.metadata.Title
 		m.details.Body = msg.metadata.Body
 		m.details.BaseRef = msg.metadata.BaseRef
+		m.applyPREditPeople(PullRequestPeople{
+			Reviewers: msg.metadata.Reviewers,
+			Assignees: msg.metadata.Assignees,
+		})
 		m.details.Mergeable = msg.metadata.Mergeable
 		m.details.MergeState = msg.metadata.MergeState
 		m.details.UpdatedAt = msg.metadata.UpdatedAt
@@ -1885,7 +1922,12 @@ func (m App) viewWritePopup() string {
 	}
 	maxLines := max(3, m.height-4)
 	if len(lines) > maxLines {
-		lines = lines[len(lines)-maxLines:]
+		if m.writeMode == writePREditConfirm {
+			start := clamp(m.helpScroll, 0, len(lines)-maxLines)
+			lines = lines[start : start+maxLines]
+		} else {
+			lines = lines[len(lines)-maxLines:]
+		}
 	}
 	for index := range lines {
 		lines[index] = ansi.Truncate(lines[index], width, "")
@@ -1916,8 +1958,8 @@ func (m App) helpBindings() []helpBinding {
 			{keyLabel(m.keybindings.Input.Submit), "Review pull request metadata changes"},
 			{keyLabel(m.keybindings.Input.Cancel), "Return to Normal mode or cancel the editor"},
 			{combinedKeyLabel(m.keybindings.Navigation.PageDown, m.keybindings.Navigation.PageUp), "Move through the description by half a page"},
-			{combinedKeyLabel(m.keybindings.Input.PreviousCompletion, m.keybindings.Input.NextCompletion), "Select the previous / next target-branch completion"},
-			{combinedKeyLabel(m.keybindings.Input.NextField, m.keybindings.Input.Newline), "Complete the selected target branch"},
+			{combinedKeyLabel(m.keybindings.Input.PreviousCompletion, m.keybindings.Input.NextCompletion), "Select the previous / next branch or user completion"},
+			{combinedKeyLabel(m.keybindings.Input.NextField, m.keybindings.Input.Newline), "Complete the selected branch or user"},
 		}
 		if m.prEditEditors[prEditBodyField].Modal {
 			bindings = append(bindings,
@@ -2022,7 +2064,7 @@ func (m App) helpBindings() []helpBinding {
 			{keyLabel(m.keybindings.Navigation.Up), "Scroll description up"},
 			{combinedKeyLabel(m.keybindings.Navigation.First, m.keybindings.Navigation.Last), "Top / bottom"},
 			{combinedKeyLabel(m.keybindings.Navigation.PageDown, m.keybindings.Navigation.PageUp), "Page down / up"},
-			{keyLabel(m.keybindings.Views.Edit), "Edit title, target branch, and description"},
+			{keyLabel(m.keybindings.Views.Edit), "Edit title, branch, reviewers, assignees, and description"},
 			{keyLabel(m.keybindings.Views.AutoMerge), "Enable or disable auto-merge"},
 			{keyLabel(m.keybindings.Views.MergeNow), "Merge the pull request now when all requirements are met"},
 			{keyLabel(m.keybindings.Views.AI), "Open the local AI review menu"},