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add.go
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add.go
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package operations
import (
"fmt"
"path/filepath"
"sort"
"strings"
"github.com/samber/lo"
"github.com/spf13/cobra"
"github.com/archivekeep/archivekeep/internal/cli/currentarchive"
"github.com/archivekeep/archivekeep/internal/util"
)
type Add struct {
SearchGlobs []string
DisableFilenameCheck bool
DisableMovesCheck bool
}
type Move struct {
From, To string
}
type AddPrepareResult struct {
NewFiles []string
Moves []Move
MissingFiles []string
}
func (add Add) Prepare(
currentArchive WorkingArchive,
workingSubdirectory string,
) (AddPrepareResult, error) {
var result AddPrepareResult
filesMatchingPattern, err := currentArchive.FindAllFiles(add.SearchGlobs...)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("find files in archive: %w", err)
}
unindexedFilesMatchingPattern := lo.Filter(filesMatchingPattern, func(inArchiveFullPath string, _ int) bool {
return !currentArchive.Contains(inArchiveFullPath)
})
if !add.DisableFilenameCheck {
for _, inArchiveFileName := range unindexedFilesMatchingPattern {
err := add.checkFilename(inArchiveFileName)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("file %s has invalid filename: %w", inArchiveFileName, err)
}
}
}
if !add.DisableMovesCheck {
storedFiles, err := currentArchive.StoredFiles()
if err != nil {
return AddPrepareResult{}, fmt.Errorf("retrieve current archive stored files: %w", err)
}
sort.Strings(storedFiles)
missingFilesByChecksum := map[string]string{}
for _, inArchiveFullPath := range storedFiles {
cwdRelativePath, err := filepath.Rel(workingSubdirectory, inArchiveFullPath)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("reconstruct archive relative path to working directory for %s: %w", cwdRelativePath, err)
}
exists, err := currentArchive.VerifyFileExists(inArchiveFullPath)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("check if expected file exists: %w", err)
}
if !exists {
checksum, err := currentArchive.FileChecksum(inArchiveFullPath)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("get expected checksum of missing file %s: %w", cwdRelativePath, err)
}
missingFilesByChecksum[checksum] = inArchiveFullPath
}
}
for _, inArchiveFullPath := range unindexedFilesMatchingPattern {
cwdRelativePath, err := filepath.Rel(workingSubdirectory, inArchiveFullPath)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("reconstruct archive relative path to working directory for %s: %w", inArchiveFullPath, err)
}
checksum, err := currentArchive.ComputeFileChecksum(inArchiveFullPath)
if err != nil {
return AddPrepareResult{}, fmt.Errorf("compute checksum of %s: %w", cwdRelativePath, err)
}
if missingFilePath, found := missingFilesByChecksum[checksum]; found {
result.Moves = append(result.Moves, Move{
From: missingFilePath,
To: inArchiveFullPath,
})
delete(missingFilesByChecksum, checksum)
} else {
result.NewFiles = append(result.NewFiles, inArchiveFullPath)
}
}
for _, path := range missingFilesByChecksum {
result.MissingFiles = append(result.MissingFiles, path)
}
sort.Slice(result.Moves, func(i, j int) bool {
return strings.Compare(result.Moves[i].From, result.Moves[j].From) < 0
})
} else {
result.NewFiles = unindexedFilesMatchingPattern
}
sort.Strings(result.MissingFiles)
sort.Strings(result.NewFiles)
return result, nil
}
func (add Add) checkFilename(inArchiveFileName string) error {
for _, illegalCharacter := range illegalCharacters {
if strings.Contains(inArchiveFileName, illegalCharacter) {
return fmt.Errorf("character '%s' is not supported in FAT-like filesystems", illegalCharacter)
}
}
return nil
}
func (result AddPrepareResult) PrintSummary(
cmd *cobra.Command, // TODO: get rid of cmd to allow GUI clients
currentArchive currentarchive.CurrentArchive,
) error {
if len(result.MissingFiles) > 0 {
cmd.Printf("Missing indexed files not matched by add:\n")
for _, file := range result.MissingFiles {
relToWD, err := filepath.Rel(currentArchive.WorkingSubdirectory, file)
if err != nil {
return fmt.Errorf("resolve relative path to archive root: %w", err)
}
cmd.Printf("\t%s\n", relToWD)
}
cmd.Printf("\n")
}
if len(result.NewFiles) > 0 {
cmd.Printf("New files to be indexed:\n")
for _, file := range result.NewFiles {
relToWD, err := filepath.Rel(currentArchive.WorkingSubdirectory, file)
if err != nil {
return fmt.Errorf("resolve relative path to archive root: %w", err)
}
cmd.Printf("\t%s\n", relToWD)
}
cmd.Printf("\n")
}
if len(result.Moves) > 0 {
cmd.Printf("Files to be moved:\n")
for _, move := range result.Moves {
relToWDFrom, err := filepath.Rel(currentArchive.WorkingSubdirectory, move.From)
if err != nil {
return fmt.Errorf("resolve relative path to archive root: %w", err)
}
relToWDTo, err := filepath.Rel(currentArchive.WorkingSubdirectory, move.To)
if err != nil {
return fmt.Errorf("resolve relative path to archive root: %w", err)
}
cmd.Printf("\t%s -> %s\n", relToWDFrom, relToWDTo)
}
cmd.Printf("\n")
}
return nil
}
func (result AddPrepareResult) Execute(
cmd *cobra.Command, // TODO: get rid of cmd to allow GUI clients
currentArchive currentarchive.CurrentArchive,
) error {
if len(result.Moves) > 0 && util.AskForConfirmation(cmd, "\nDo want to perform move?") {
cmd.Printf("\nproceeding ...\n")
for _, move := range result.Moves {
err := currentArchive.Add(move.To)
if err != nil {
return fmt.Errorf("add new location of %s: %w", move.To, err)
}
err = currentArchive.Remove(move.From)
if err != nil {
return fmt.Errorf("remove old location %s (new %s): %w", move.From, move.To, err)
}
cmd.Printf("moved: %s -> %s\n", move.From, move.To)
}
}
for _, file := range result.NewFiles {
if currentArchive.Contains(file) {
continue
}
err := currentArchive.Add(file)
if err != nil {
cmd.Printf("failed to add: %v\n", err)
}
relToWD, err := filepath.Rel(currentArchive.WorkingSubdirectory, file)
if err != nil {
return fmt.Errorf("resolve relative path to archive root: %w", err)
}
cmd.Printf("added: %s\n", relToWD)
}
return nil
}
var illegalCharacters = []string{
":",
"?",
"<",
">",
"*",
"|",
}