fic/server
Archived
1
0
Fork 0
Code Issues Pull requests 10 Releases Wiki Activity

admin/sync: handle hint files download

Browse source
This commit is contained in:
nemunaire 2018-01-07 23:40:11 +01:00
commit 11d0fe8d1f
4 changed files with 57 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

53
admin/sync/exercice_hints.go
View file

@ -1,31 +1,68 @@
package sync
import (
"bufio"
"encoding/hex"
"fmt"
"io"
"os"
"path"
"strings"
"srs.epita.fr/fic-server/libfic"
"github.com/dchest/blake2b"
)
func SyncExerciceHints(i Importer, exercice fic.Exercice) []string {
var errs []string
func SyncExerciceHints(i Importer, exercice fic.Exercice) (errs []string) {
if _, err := exercice.WipeHints(); err != nil {
errs = append(errs, err.Error())
} else if ! i.exists(path.Join(exercice.Path, "hints")) {
return errs
return
} else if hints, err := i.listDir(path.Join(exercice.Path, "hints")); err != nil {
errs = append(errs, err.Error())
} else {
for n, hfile := range hints {
if hint_cnt, err := getFileContent(i, path.Join(exercice.Path, "hints", hfile)); err != nil {
var hint_cnt string
if fi, err := i.stat(path.Join(exercice.Path, "hints", hfile)); err != nil {
errs = append(errs, fmt.Sprintf("%q: unable to add hint %q: %s", path.Base(exercice.Path), hfile, err))
} else if ! fi.IsDir() && fi.Size() > 512 {
// Handle big files as downloadable content
if res, err := i.importFile(path.Join(exercice.Path, "hints", hfile), func(filePath string, origin string) (interface{}, error) {
// Calculate hash
hash512 := blake2b.New512()
if fd, err := os.Open(filePath); err != nil {
return nil, err
} else {
defer fd.Close()
reader := bufio.NewReader(fd)
if _, err := io.Copy(hash512, reader); err != nil {
return nil, err
}
}
result512 := hash512.Sum(nil)
return "$FILES" + hex.EncodeToString(result512) + strings.TrimPrefix(filePath, fic.FilesDir), nil
}); err != nil {
errs = append(errs, fmt.Sprintf("%q: unable to import hint file %q: %s", path.Base(exercice.Path), hfile, err))
continue
} else if s, ok := res.(string); !ok {
errs = append(errs, fmt.Sprintf("%q: unable to import hint file %q: invalid string returned as filename", path.Base(exercice.Path), hfile))
continue
} else {
hint_cnt = s
}
} else if hint_cnt, err = getFileContent(i, path.Join(exercice.Path, "hints", hfile)); err != nil {
errs = append(errs, fmt.Sprintf("%q: unable to read hint file %q: %s", path.Base(exercice.Path), hfile, err))
continue
} else if _, err := exercice.AddHint(fmt.Sprintf("Astuce #%d", n + 1), hint_cnt, 1); err != nil {
}
if _, err := exercice.AddHint(fmt.Sprintf("Astuce #%d", n + 1), hint_cnt, 1); err != nil {
errs = append(errs, fmt.Sprintf("%q: unable to add hint %q: %s", path.Base(exercice.Path), hfile, err))
continue
}
}
}
return errs
return
}