71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package main
|
|
|
|
import (
|
|
"archive/zip"
|
|
"io"
|
|
"log/slog"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
var ExportPath = "data/export.zip"
|
|
|
|
func Export(filename string) error {
|
|
file, err := os.Create(filename)
|
|
if err != nil {
|
|
slog.Error("error creating export archive", "error", err)
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
|
|
w := zip.NewWriter(file)
|
|
defer w.Close()
|
|
|
|
walker := func(path string, info os.FileInfo, err error) error {
|
|
if path == filename { // Do not add export .zip itself
|
|
return nil
|
|
}
|
|
slog.Debug("export crawling", "path", path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if info.IsDir() {
|
|
return nil
|
|
}
|
|
file, err := os.Open(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
|
|
f, err := w.Create(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = io.Copy(f, file)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
err = filepath.Walk("data/", walker)
|
|
if err != nil {
|
|
slog.Error("error walking files", "error", err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetExport returns a .zip archive with contents of the data folder
|
|
func GetExport(w http.ResponseWriter, r *http.Request) {
|
|
err := Export(ExportPath)
|
|
if err != nil {
|
|
http.Error(w, "could not export", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
http.ServeFile(w, r, "data/export.zip")
|
|
}
|