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Files
Mole/cmd/analyze/main.go
tw93 e966838c82 style: standardize punctuation across codebase
- Replace parentheses with commas for supplementary info
- Use commas instead of em-dashes for separators
- Update bullet points from - to * in some contexts
- Improve version extraction regex with fallback logic
2026-01-26 14:36:06 +08:00

1141 lines
29 KiB
Go

//go:build darwin
package main
import (
"context"
"fmt"
"io/fs"
"os"
"os/exec"
"path/filepath"
"slices"
"sort"
"strings"
"sync/atomic"
"time"
tea "github.com/charmbracelet/bubbletea"
)
type dirEntry struct {
Name string
Path string
Size int64
IsDir bool
LastAccess time.Time
}
type fileEntry struct {
Name string
Path string
Size int64
}
type scanResult struct {
Entries []dirEntry
LargeFiles []fileEntry
TotalSize int64
TotalFiles int64
}
type cacheEntry struct {
Entries []dirEntry
LargeFiles []fileEntry
TotalSize int64
TotalFiles int64
ModTime time.Time
ScanTime time.Time
}
type historyEntry struct {
Path string
Entries []dirEntry
LargeFiles []fileEntry
TotalSize int64
TotalFiles int64
Selected int
EntryOffset int
LargeSelected int
LargeOffset int
Dirty bool
IsOverview bool
}
type scanResultMsg struct {
result scanResult
err error
}
type overviewSizeMsg struct {
Path string
Index int
Size int64
Err error
}
type tickMsg time.Time
type deleteProgressMsg struct {
done bool
err error
count int64
path string
}
type model struct {
path string
history []historyEntry
entries []dirEntry
largeFiles []fileEntry
selected int
offset int
status string
totalSize int64
scanning bool
spinner int
filesScanned *int64
dirsScanned *int64
bytesScanned *int64
currentPath *atomic.Value
showLargeFiles bool
isOverview bool
deleteConfirm bool
deleteTarget *dirEntry
deleting bool
deleteCount *int64
cache map[string]historyEntry
largeSelected int
largeOffset int
overviewSizeCache map[string]int64
overviewFilesScanned *int64
overviewDirsScanned *int64
overviewBytesScanned *int64
overviewCurrentPath *string
overviewScanning bool
overviewScanningSet map[string]bool // Track which paths are currently being scanned
width int // Terminal width
height int // Terminal height
multiSelected map[string]bool // Track multi-selected items by path (safer than index)
largeMultiSelected map[string]bool // Track multi-selected large files by path (safer than index)
totalFiles int64 // Total files found in current/last scan
lastTotalFiles int64 // Total files from previous scan (for progress bar)
}
func (m model) inOverviewMode() bool {
return m.isOverview && m.path == "/"
}
func main() {
target := os.Getenv("MO_ANALYZE_PATH")
if target == "" && len(os.Args) > 1 {
target = os.Args[1]
}
var abs string
var isOverview bool
if target == "" {
isOverview = true
abs = "/"
} else {
var err error
abs, err = filepath.Abs(target)
if err != nil {
fmt.Fprintf(os.Stderr, "cannot resolve %q: %v\n", target, err)
os.Exit(1)
}
isOverview = false
}
// Warm overview cache in background.
prefetchCtx, prefetchCancel := context.WithTimeout(context.Background(), 30*time.Second)
defer prefetchCancel()
go prefetchOverviewCache(prefetchCtx)
p := tea.NewProgram(newModel(abs, isOverview), tea.WithAltScreen())
if _, err := p.Run(); err != nil {
fmt.Fprintf(os.Stderr, "analyzer error: %v\n", err)
os.Exit(1)
}
}
func newModel(path string, isOverview bool) model {
var filesScanned, dirsScanned, bytesScanned int64
currentPath := &atomic.Value{}
currentPath.Store("")
var overviewFilesScanned, overviewDirsScanned, overviewBytesScanned int64
overviewCurrentPath := ""
m := model{
path: path,
selected: 0,
status: "Preparing scan...",
scanning: !isOverview,
filesScanned: &filesScanned,
dirsScanned: &dirsScanned,
bytesScanned: &bytesScanned,
currentPath: currentPath,
showLargeFiles: false,
isOverview: isOverview,
cache: make(map[string]historyEntry),
overviewFilesScanned: &overviewFilesScanned,
overviewDirsScanned: &overviewDirsScanned,
overviewBytesScanned: &overviewBytesScanned,
overviewCurrentPath: &overviewCurrentPath,
overviewSizeCache: make(map[string]int64),
overviewScanningSet: make(map[string]bool),
multiSelected: make(map[string]bool),
largeMultiSelected: make(map[string]bool),
}
if isOverview {
m.scanning = false
m.hydrateOverviewEntries()
m.selected = 0
m.offset = 0
if nextPendingOverviewIndex(m.entries) >= 0 {
m.overviewScanning = true
m.status = "Checking system folders..."
} else {
m.status = "Ready"
}
}
// Try to peek last total files for progress bar, even if cache is stale
if !isOverview {
if total, err := peekCacheTotalFiles(path); err == nil && total > 0 {
m.lastTotalFiles = total
}
}
return m
}
func createOverviewEntries() []dirEntry {
home := os.Getenv("HOME")
entries := []dirEntry{}
// Separate Home and ~/Library to avoid double counting.
if home != "" {
entries = append(entries, dirEntry{Name: "Home", Path: home, IsDir: true, Size: -1})
userLibrary := filepath.Join(home, "Library")
if _, err := os.Stat(userLibrary); err == nil {
entries = append(entries, dirEntry{Name: "App Library", Path: userLibrary, IsDir: true, Size: -1})
}
}
entries = append(entries,
dirEntry{Name: "Applications", Path: "/Applications", IsDir: true, Size: -1},
dirEntry{Name: "System Library", Path: "/Library", IsDir: true, Size: -1},
)
// Include Volumes only when real mounts exist.
if hasUsefulVolumeMounts("/Volumes") {
entries = append(entries, dirEntry{Name: "Volumes", Path: "/Volumes", IsDir: true, Size: -1})
}
return entries
}
func hasUsefulVolumeMounts(path string) bool {
entries, err := os.ReadDir(path)
if err != nil {
return false
}
for _, entry := range entries {
name := entry.Name()
if strings.HasPrefix(name, ".") {
continue
}
info, err := os.Lstat(filepath.Join(path, name))
if err != nil {
continue
}
if info.Mode()&fs.ModeSymlink != 0 {
continue // Ignore the synthetic MacintoshHD link
}
if info.IsDir() {
return true
}
}
return false
}
func (m *model) hydrateOverviewEntries() {
m.entries = createOverviewEntries()
if m.overviewSizeCache == nil {
m.overviewSizeCache = make(map[string]int64)
}
for i := range m.entries {
if size, ok := m.overviewSizeCache[m.entries[i].Path]; ok {
m.entries[i].Size = size
continue
}
if size, err := loadOverviewCachedSize(m.entries[i].Path); err == nil {
m.entries[i].Size = size
m.overviewSizeCache[m.entries[i].Path] = size
}
}
m.totalSize = sumKnownEntrySizes(m.entries)
}
func (m *model) sortOverviewEntriesBySize() {
// Stable sort by size.
sort.SliceStable(m.entries, func(i, j int) bool {
return m.entries[i].Size > m.entries[j].Size
})
}
func (m *model) scheduleOverviewScans() tea.Cmd {
if !m.inOverviewMode() {
return nil
}
var pendingIndices []int
for i, entry := range m.entries {
if entry.Size < 0 && !m.overviewScanningSet[entry.Path] {
pendingIndices = append(pendingIndices, i)
if len(pendingIndices) >= maxConcurrentOverview {
break
}
}
}
if len(pendingIndices) == 0 {
m.overviewScanning = false
if !hasPendingOverviewEntries(m.entries) {
m.sortOverviewEntriesBySize()
m.status = "Ready"
}
return nil
}
var cmds []tea.Cmd
for _, idx := range pendingIndices {
entry := m.entries[idx]
m.overviewScanningSet[entry.Path] = true
cmd := scanOverviewPathCmd(entry.Path, idx)
cmds = append(cmds, cmd)
}
m.overviewScanning = true
remaining := 0
for _, e := range m.entries {
if e.Size < 0 {
remaining++
}
}
if len(pendingIndices) > 0 {
firstEntry := m.entries[pendingIndices[0]]
if len(pendingIndices) == 1 {
m.status = fmt.Sprintf("Scanning %s..., %d left", firstEntry.Name, remaining)
} else {
m.status = fmt.Sprintf("Scanning %d directories..., %d left", len(pendingIndices), remaining)
}
}
cmds = append(cmds, tickCmd())
return tea.Batch(cmds...)
}
func (m *model) getScanProgress() (files, dirs, bytes int64) {
if m.filesScanned != nil {
files = atomic.LoadInt64(m.filesScanned)
}
if m.dirsScanned != nil {
dirs = atomic.LoadInt64(m.dirsScanned)
}
if m.bytesScanned != nil {
bytes = atomic.LoadInt64(m.bytesScanned)
}
return
}
func (m model) Init() tea.Cmd {
if m.inOverviewMode() {
return m.scheduleOverviewScans()
}
return tea.Batch(m.scanCmd(m.path), tickCmd())
}
func (m model) scanCmd(path string) tea.Cmd {
return func() tea.Msg {
if cached, err := loadCacheFromDisk(path); err == nil {
result := scanResult{
Entries: cached.Entries,
LargeFiles: cached.LargeFiles,
TotalSize: cached.TotalSize,
TotalFiles: 0, // Cache doesn't store file count currently, minor UI limitation
}
return scanResultMsg{result: result, err: nil}
}
v, err, _ := scanGroup.Do(path, func() (any, error) {
return scanPathConcurrent(path, m.filesScanned, m.dirsScanned, m.bytesScanned, m.currentPath)
})
if err != nil {
return scanResultMsg{err: err}
}
result := v.(scanResult)
go func(p string, r scanResult) {
if err := saveCacheToDisk(p, r); err != nil {
_ = err // Cache save failure is not critical
}
}(path, result)
return scanResultMsg{result: result, err: nil}
}
}
func tickCmd() tea.Cmd {
return tea.Tick(time.Millisecond*100, func(t time.Time) tea.Msg {
return tickMsg(t)
})
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
return m.updateKey(msg)
case tea.WindowSizeMsg:
m.width = msg.Width
m.height = msg.Height
return m, nil
case deleteProgressMsg:
if msg.done {
m.deleting = false
m.multiSelected = make(map[string]bool)
m.largeMultiSelected = make(map[string]bool)
if msg.err != nil {
m.status = fmt.Sprintf("Failed to delete: %v", msg.err)
} else {
if msg.path != "" {
m.removePathFromView(msg.path)
invalidateCache(msg.path)
}
invalidateCache(m.path)
m.status = fmt.Sprintf("Deleted %d items", msg.count)
for i := range m.history {
m.history[i].Dirty = true
}
for path := range m.cache {
entry := m.cache[path]
entry.Dirty = true
m.cache[path] = entry
}
m.scanning = true
atomic.StoreInt64(m.filesScanned, 0)
atomic.StoreInt64(m.dirsScanned, 0)
atomic.StoreInt64(m.bytesScanned, 0)
if m.currentPath != nil {
m.currentPath.Store("")
}
return m, tea.Batch(m.scanCmd(m.path), tickCmd())
}
}
return m, nil
case scanResultMsg:
m.scanning = false
if msg.err != nil {
m.status = fmt.Sprintf("Scan failed: %v", msg.err)
return m, nil
}
filteredEntries := make([]dirEntry, 0, len(msg.result.Entries))
for _, e := range msg.result.Entries {
if e.Size > 0 {
filteredEntries = append(filteredEntries, e)
}
}
m.entries = filteredEntries
m.largeFiles = msg.result.LargeFiles
m.totalSize = msg.result.TotalSize
m.totalFiles = msg.result.TotalFiles
m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
m.clampEntrySelection()
m.clampLargeSelection()
m.cache[m.path] = cacheSnapshot(m)
if m.totalSize > 0 {
if m.overviewSizeCache == nil {
m.overviewSizeCache = make(map[string]int64)
}
m.overviewSizeCache[m.path] = m.totalSize
go func(path string, size int64) {
_ = storeOverviewSize(path, size)
}(m.path, m.totalSize)
}
return m, nil
case overviewSizeMsg:
delete(m.overviewScanningSet, msg.Path)
if msg.Err == nil {
if m.overviewSizeCache == nil {
m.overviewSizeCache = make(map[string]int64)
}
m.overviewSizeCache[msg.Path] = msg.Size
}
if m.inOverviewMode() {
for i := range m.entries {
if m.entries[i].Path == msg.Path {
if msg.Err == nil {
m.entries[i].Size = msg.Size
} else {
m.entries[i].Size = 0
}
break
}
}
m.totalSize = sumKnownEntrySizes(m.entries)
if msg.Err != nil {
m.status = fmt.Sprintf("Unable to measure %s: %v", displayPath(msg.Path), msg.Err)
}
cmd := m.scheduleOverviewScans()
return m, cmd
}
return m, nil
case tickMsg:
hasPending := false
if m.inOverviewMode() {
for _, entry := range m.entries {
if entry.Size < 0 {
hasPending = true
break
}
}
}
if m.scanning || m.deleting || (m.inOverviewMode() && (m.overviewScanning || hasPending)) {
m.spinner = (m.spinner + 1) % len(spinnerFrames)
if m.deleting && m.deleteCount != nil {
count := atomic.LoadInt64(m.deleteCount)
if count > 0 {
m.status = fmt.Sprintf("Moving to Trash... %s items", formatNumber(count))
}
}
return m, tickCmd()
}
return m, nil
default:
return m, nil
}
}
func (m model) updateKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
// Delete confirm flow.
if m.deleteConfirm {
switch msg.String() {
case "enter":
m.deleteConfirm = false
m.deleting = true
var deleteCount int64
m.deleteCount = &deleteCount
// Collect paths (safer than indices).
var pathsToDelete []string
if m.showLargeFiles {
if len(m.largeMultiSelected) > 0 {
for path := range m.largeMultiSelected {
pathsToDelete = append(pathsToDelete, path)
}
} else if m.deleteTarget != nil {
pathsToDelete = append(pathsToDelete, m.deleteTarget.Path)
}
} else {
if len(m.multiSelected) > 0 {
for path := range m.multiSelected {
pathsToDelete = append(pathsToDelete, path)
}
} else if m.deleteTarget != nil {
pathsToDelete = append(pathsToDelete, m.deleteTarget.Path)
}
}
m.deleteTarget = nil
if len(pathsToDelete) == 0 {
m.deleting = false
m.status = "Nothing to delete"
return m, nil
}
if len(pathsToDelete) == 1 {
targetPath := pathsToDelete[0]
m.status = fmt.Sprintf("Deleting %s...", filepath.Base(targetPath))
return m, tea.Batch(deletePathCmd(targetPath, m.deleteCount), tickCmd())
}
m.status = fmt.Sprintf("Deleting %d items...", len(pathsToDelete))
return m, tea.Batch(deleteMultiplePathsCmd(pathsToDelete, m.deleteCount), tickCmd())
case "esc", "q":
m.status = "Cancelled"
m.deleteConfirm = false
m.deleteTarget = nil
return m, nil
default:
return m, nil
}
}
switch msg.String() {
case "q", "ctrl+c", "Q":
return m, tea.Quit
case "esc":
if m.showLargeFiles {
m.showLargeFiles = false
return m, nil
}
return m, tea.Quit
case "up", "k", "K":
if m.showLargeFiles {
if m.largeSelected > 0 {
m.largeSelected--
if m.largeSelected < m.largeOffset {
m.largeOffset = m.largeSelected
}
}
} else if len(m.entries) > 0 && m.selected > 0 {
m.selected--
if m.selected < m.offset {
m.offset = m.selected
}
}
case "down", "j", "J":
if m.showLargeFiles {
if m.largeSelected < len(m.largeFiles)-1 {
m.largeSelected++
viewport := calculateViewport(m.height, true)
if m.largeSelected >= m.largeOffset+viewport {
m.largeOffset = m.largeSelected - viewport + 1
}
}
} else if len(m.entries) > 0 && m.selected < len(m.entries)-1 {
m.selected++
viewport := calculateViewport(m.height, false)
if m.selected >= m.offset+viewport {
m.offset = m.selected - viewport + 1
}
}
case "enter", "right", "l", "L":
if m.showLargeFiles {
return m, nil
}
return m.enterSelectedDir()
case "b", "left", "h", "B", "H":
if m.showLargeFiles {
m.showLargeFiles = false
return m, nil
}
if len(m.history) == 0 {
if !m.inOverviewMode() {
return m, m.switchToOverviewMode()
}
return m, nil
}
last := m.history[len(m.history)-1]
m.history = m.history[:len(m.history)-1]
m.path = last.Path
m.selected = last.Selected
m.offset = last.EntryOffset
m.largeSelected = last.LargeSelected
m.largeOffset = last.LargeOffset
m.isOverview = last.IsOverview
if last.Dirty {
// On overview return, refresh cached entries.
if last.IsOverview {
m.hydrateOverviewEntries()
m.totalSize = sumKnownEntrySizes(m.entries)
m.status = "Ready"
m.scanning = false
if nextPendingOverviewIndex(m.entries) >= 0 {
m.overviewScanning = true
return m, m.scheduleOverviewScans()
}
return m, nil
}
m.status = "Scanning..."
m.scanning = true
return m, tea.Batch(m.scanCmd(m.path), tickCmd())
}
m.entries = last.Entries
m.largeFiles = last.LargeFiles
m.totalSize = last.TotalSize
m.clampEntrySelection()
m.clampLargeSelection()
if len(m.entries) == 0 {
m.selected = 0
} else if m.selected >= len(m.entries) {
m.selected = len(m.entries) - 1
}
if m.selected < 0 {
m.selected = 0
}
m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
m.scanning = false
return m, nil
case "r", "R":
m.multiSelected = make(map[string]bool)
m.largeMultiSelected = make(map[string]bool)
if m.inOverviewMode() {
// Explicitly invalidate cache for all overview entries to force re-scan
for _, entry := range m.entries {
invalidateCache(entry.Path)
}
m.overviewSizeCache = make(map[string]int64)
m.overviewScanningSet = make(map[string]bool)
m.hydrateOverviewEntries() // Reset sizes to pending
for i := range m.entries {
m.entries[i].Size = -1
}
m.totalSize = 0
m.status = "Refreshing..."
m.overviewScanning = true
return m, tea.Batch(m.scheduleOverviewScans(), tickCmd())
}
invalidateCache(m.path)
m.status = "Refreshing..."
m.scanning = true
if m.totalFiles > 0 {
m.lastTotalFiles = m.totalFiles
}
atomic.StoreInt64(m.filesScanned, 0)
atomic.StoreInt64(m.dirsScanned, 0)
atomic.StoreInt64(m.bytesScanned, 0)
if m.currentPath != nil {
m.currentPath.Store("")
}
return m, tea.Batch(m.scanCmd(m.path), tickCmd())
case "t", "T":
if !m.inOverviewMode() {
m.showLargeFiles = !m.showLargeFiles
if m.showLargeFiles {
m.largeSelected = 0
m.largeOffset = 0
m.largeMultiSelected = make(map[string]bool)
} else {
m.multiSelected = make(map[string]bool)
}
m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
}
case "o", "O":
// Open selected entries (multi-select aware).
const maxBatchOpen = 20
if m.showLargeFiles {
if len(m.largeFiles) > 0 {
if len(m.largeMultiSelected) > 0 {
count := len(m.largeMultiSelected)
if count > maxBatchOpen {
m.status = fmt.Sprintf("Too many items to open, max %d, selected %d", maxBatchOpen, count)
return m, nil
}
for path := range m.largeMultiSelected {
go func(p string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", p).Run()
}(path)
}
m.status = fmt.Sprintf("Opening %d items...", count)
} else {
selected := m.largeFiles[m.largeSelected]
go func(path string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", path).Run()
}(selected.Path)
m.status = fmt.Sprintf("Opening %s...", selected.Name)
}
}
} else if len(m.entries) > 0 {
if len(m.multiSelected) > 0 {
count := len(m.multiSelected)
if count > maxBatchOpen {
m.status = fmt.Sprintf("Too many items to open, max %d, selected %d", maxBatchOpen, count)
return m, nil
}
for path := range m.multiSelected {
go func(p string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", p).Run()
}(path)
}
m.status = fmt.Sprintf("Opening %d items...", count)
} else {
selected := m.entries[m.selected]
go func(path string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", path).Run()
}(selected.Path)
m.status = fmt.Sprintf("Opening %s...", selected.Name)
}
}
case "f", "F":
// Reveal in Finder (multi-select aware).
const maxBatchReveal = 20
if m.showLargeFiles {
if len(m.largeFiles) > 0 {
if len(m.largeMultiSelected) > 0 {
count := len(m.largeMultiSelected)
if count > maxBatchReveal {
m.status = fmt.Sprintf("Too many items to reveal, max %d, selected %d", maxBatchReveal, count)
return m, nil
}
for path := range m.largeMultiSelected {
go func(p string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", "-R", p).Run()
}(path)
}
m.status = fmt.Sprintf("Showing %d items in Finder...", count)
} else {
selected := m.largeFiles[m.largeSelected]
go func(path string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", "-R", path).Run()
}(selected.Path)
m.status = fmt.Sprintf("Showing %s in Finder...", selected.Name)
}
}
} else if len(m.entries) > 0 {
if len(m.multiSelected) > 0 {
count := len(m.multiSelected)
if count > maxBatchReveal {
m.status = fmt.Sprintf("Too many items to reveal, max %d, selected %d", maxBatchReveal, count)
return m, nil
}
for path := range m.multiSelected {
go func(p string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", "-R", p).Run()
}(path)
}
m.status = fmt.Sprintf("Showing %d items in Finder...", count)
} else {
selected := m.entries[m.selected]
go func(path string) {
ctx, cancel := context.WithTimeout(context.Background(), openCommandTimeout)
defer cancel()
_ = exec.CommandContext(ctx, "open", "-R", path).Run()
}(selected.Path)
m.status = fmt.Sprintf("Showing %s in Finder...", selected.Name)
}
}
case " ":
// Toggle multi-select (paths as keys).
if m.showLargeFiles {
if len(m.largeFiles) > 0 && m.largeSelected < len(m.largeFiles) {
if m.largeMultiSelected == nil {
m.largeMultiSelected = make(map[string]bool)
}
selectedPath := m.largeFiles[m.largeSelected].Path
if m.largeMultiSelected[selectedPath] {
delete(m.largeMultiSelected, selectedPath)
} else {
m.largeMultiSelected[selectedPath] = true
}
count := len(m.largeMultiSelected)
if count > 0 {
var totalSize int64
for path := range m.largeMultiSelected {
for _, file := range m.largeFiles {
if file.Path == path {
totalSize += file.Size
break
}
}
}
m.status = fmt.Sprintf("%d selected, %s", count, humanizeBytes(totalSize))
} else {
m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
}
}
} else if len(m.entries) > 0 && !m.inOverviewMode() && m.selected < len(m.entries) {
if m.multiSelected == nil {
m.multiSelected = make(map[string]bool)
}
selectedPath := m.entries[m.selected].Path
if m.multiSelected[selectedPath] {
delete(m.multiSelected, selectedPath)
} else {
m.multiSelected[selectedPath] = true
}
count := len(m.multiSelected)
if count > 0 {
var totalSize int64
for path := range m.multiSelected {
for _, entry := range m.entries {
if entry.Path == path {
totalSize += entry.Size
break
}
}
}
m.status = fmt.Sprintf("%d selected, %s", count, humanizeBytes(totalSize))
} else {
m.status = fmt.Sprintf("Scanned %s", humanizeBytes(m.totalSize))
}
}
case "delete", "backspace":
if m.showLargeFiles {
if len(m.largeFiles) > 0 {
if len(m.largeMultiSelected) > 0 {
m.deleteConfirm = true
for path := range m.largeMultiSelected {
for _, file := range m.largeFiles {
if file.Path == path {
m.deleteTarget = &dirEntry{
Name: file.Name,
Path: file.Path,
Size: file.Size,
IsDir: false,
}
break
}
}
break // Only need first one for display
}
} else if m.largeSelected < len(m.largeFiles) {
selected := m.largeFiles[m.largeSelected]
m.deleteConfirm = true
m.deleteTarget = &dirEntry{
Name: selected.Name,
Path: selected.Path,
Size: selected.Size,
IsDir: false,
}
}
}
} else if len(m.entries) > 0 && !m.inOverviewMode() {
if len(m.multiSelected) > 0 {
m.deleteConfirm = true
for path := range m.multiSelected {
// Resolve entry by path.
for i := range m.entries {
if m.entries[i].Path == path {
m.deleteTarget = &m.entries[i]
break
}
}
break // Only need first one for display
}
} else if m.selected < len(m.entries) {
selected := m.entries[m.selected]
m.deleteConfirm = true
m.deleteTarget = &selected
}
}
}
return m, nil
}
func (m *model) switchToOverviewMode() tea.Cmd {
m.isOverview = true
m.path = "/"
m.scanning = false
m.showLargeFiles = false
m.largeFiles = nil
m.largeSelected = 0
m.largeOffset = 0
m.deleteConfirm = false
m.deleteTarget = nil
m.selected = 0
m.offset = 0
m.hydrateOverviewEntries()
cmd := m.scheduleOverviewScans()
if cmd == nil {
m.status = "Ready"
return nil
}
return tea.Batch(cmd, tickCmd())
}
func (m model) enterSelectedDir() (tea.Model, tea.Cmd) {
if len(m.entries) == 0 {
return m, nil
}
selected := m.entries[m.selected]
if selected.IsDir {
if len(m.history) == 0 || m.history[len(m.history)-1].Path != m.path {
m.history = append(m.history, snapshotFromModel(m))
}
m.path = selected.Path
m.selected = 0
m.offset = 0
m.status = "Scanning..."
m.scanning = true
m.isOverview = false
m.multiSelected = make(map[string]bool)
m.largeMultiSelected = make(map[string]bool)
atomic.StoreInt64(m.filesScanned, 0)
atomic.StoreInt64(m.dirsScanned, 0)
atomic.StoreInt64(m.bytesScanned, 0)
if m.currentPath != nil {
m.currentPath.Store("")
}
if cached, ok := m.cache[m.path]; ok && !cached.Dirty {
m.entries = slices.Clone(cached.Entries)
m.largeFiles = slices.Clone(cached.LargeFiles)
m.totalSize = cached.TotalSize
m.totalFiles = cached.TotalFiles
m.selected = cached.Selected
m.offset = cached.EntryOffset
m.largeSelected = cached.LargeSelected
m.largeOffset = cached.LargeOffset
m.clampEntrySelection()
m.clampLargeSelection()
m.status = fmt.Sprintf("Cached view for %s", displayPath(m.path))
m.scanning = false
return m, nil
}
m.lastTotalFiles = 0
if total, err := peekCacheTotalFiles(m.path); err == nil && total > 0 {
m.lastTotalFiles = total
}
return m, tea.Batch(m.scanCmd(m.path), tickCmd())
}
m.status = fmt.Sprintf("File: %s, %s", selected.Name, humanizeBytes(selected.Size))
return m, nil
}
func (m *model) clampEntrySelection() {
if len(m.entries) == 0 {
m.selected = 0
m.offset = 0
return
}
if m.selected >= len(m.entries) {
m.selected = len(m.entries) - 1
}
if m.selected < 0 {
m.selected = 0
}
viewport := calculateViewport(m.height, false)
maxOffset := max(len(m.entries)-viewport, 0)
if m.offset > maxOffset {
m.offset = maxOffset
}
if m.selected < m.offset {
m.offset = m.selected
}
if m.selected >= m.offset+viewport {
m.offset = m.selected - viewport + 1
}
}
func (m *model) clampLargeSelection() {
if len(m.largeFiles) == 0 {
m.largeSelected = 0
m.largeOffset = 0
return
}
if m.largeSelected >= len(m.largeFiles) {
m.largeSelected = len(m.largeFiles) - 1
}
if m.largeSelected < 0 {
m.largeSelected = 0
}
viewport := calculateViewport(m.height, true)
maxOffset := max(len(m.largeFiles)-viewport, 0)
if m.largeOffset > maxOffset {
m.largeOffset = maxOffset
}
if m.largeSelected < m.largeOffset {
m.largeOffset = m.largeSelected
}
if m.largeSelected >= m.largeOffset+viewport {
m.largeOffset = m.largeSelected - viewport + 1
}
}
func sumKnownEntrySizes(entries []dirEntry) int64 {
var total int64
for _, entry := range entries {
if entry.Size > 0 {
total += entry.Size
}
}
return total
}
func nextPendingOverviewIndex(entries []dirEntry) int {
for i, entry := range entries {
if entry.Size < 0 {
return i
}
}
return -1
}
func hasPendingOverviewEntries(entries []dirEntry) bool {
for _, entry := range entries {
if entry.Size < 0 {
return true
}
}
return false
}
func (m *model) removePathFromView(path string) {
if path == "" {
return
}
var removedSize int64
for i, entry := range m.entries {
if entry.Path == path {
if entry.Size > 0 {
removedSize = entry.Size
}
m.entries = append(m.entries[:i], m.entries[i+1:]...)
break
}
}
for i := 0; i < len(m.largeFiles); i++ {
if m.largeFiles[i].Path == path {
m.largeFiles = append(m.largeFiles[:i], m.largeFiles[i+1:]...)
break
}
}
if removedSize > 0 {
if removedSize > m.totalSize {
m.totalSize = 0
} else {
m.totalSize -= removedSize
}
m.clampEntrySelection()
}
m.clampLargeSelection()
}
func scanOverviewPathCmd(path string, index int) tea.Cmd {
return func() tea.Msg {
size, err := measureOverviewSize(path)
return overviewSizeMsg{
Path: path,
Index: index,
Size: size,
Err: err,
}
}
}