116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
package sync
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path"
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)
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// LocalImporter implements an Importer, where files to imports are located
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// inside a local directory from your filesystem.
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type LocalImporter struct {
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// Base is the root directory used by the LocalImporter. It should contains all themes.
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Base string
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// Symlink changes the normal file copy/concatenate behaviour to symlink/concatenate.
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// If enable, your base directory must be accessible by the frontend processus as it will follow the symlink.
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Symlink bool
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}
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func (i LocalImporter) Kind() string {
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if i.Symlink {
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return "local file importer (through symlink): " + i.Base
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} else {
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return "local file importer: " + i.Base
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}
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}
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func (i LocalImporter) Id() *string {
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return nil
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}
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func (i LocalImporter) Init() error {
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if f, err := os.Stat(i.Base); os.IsNotExist(err) {
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if err = os.Mkdir(i.Base, 0751); err != nil {
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return err
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}
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} else if err != nil {
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return err
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} else if !f.IsDir() {
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return fmt.Errorf("%q exists and is not a directory", i.Base)
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}
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return nil
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}
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func (i LocalImporter) Sync() error {
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return nil
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}
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func (i LocalImporter) Exists(filename string) bool {
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_, err := os.Stat(i.toURL(filename))
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return !os.IsNotExist(err)
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}
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func (i LocalImporter) toURL(filename string) string {
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return path.Join(i.Base, filename)
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}
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func (i LocalImporter) GetLocalPath(p ...string) string {
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return i.toURL(path.Join(p...))
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}
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func (i LocalImporter) importFile(URI string, next func(string, string) (interface{}, error)) (interface{}, error) {
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if i.Symlink {
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dest := GetDestinationFilePath(URI, nil)
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if err := os.MkdirAll(path.Dir(dest), 0751); err != nil {
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return nil, err
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}
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if i.Exists(URI) {
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os.Symlink(i.toURL(URI), dest)
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return next(dest, URI)
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} else {
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os.Symlink(i.toURL(URI)+"_MERGED", dest)
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return ImportFile(i, URI, next)
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}
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} else {
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return ImportFile(i, URI, next)
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}
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}
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func (i LocalImporter) GetFile(filename string) (io.Reader, error) {
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if fd, err := os.Open(path.Join(i.Base, filename)); err != nil {
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return nil, err
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} else {
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return fd, nil
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}
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}
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func (i LocalImporter) writeFile(filename string, reader io.Reader) error {
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if fd, err := os.Create(path.Join(i.Base, filename)); err != nil {
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return err
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} else {
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defer fd.Close()
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io.Copy(fd, reader)
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return nil
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}
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}
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func (i LocalImporter) ListDir(filename string) ([]string, error) {
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if files, err := ioutil.ReadDir(path.Join(i.Base, filename)); err != nil {
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return nil, err
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} else {
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res := make([]string, 0)
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for _, file := range files {
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res = append(res, file.Name())
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}
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return res, nil
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}
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}
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func (i LocalImporter) Stat(filename string) (os.FileInfo, error) {
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return os.Stat(path.Join(i.Base, filename))
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}
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