162 lines
4.8 KiB
Go
162 lines
4.8 KiB
Go
package sync
|
|
|
|
import (
|
|
"fmt"
|
|
"path"
|
|
"strings"
|
|
"strconv"
|
|
|
|
"srs.epita.fr/fic-server/libfic"
|
|
"gopkg.in/russross/blackfriday.v2"
|
|
)
|
|
|
|
// getExercices returns all exercice directories existing in a given theme, considering the given Importer.
|
|
func getExercices(i Importer, theme fic.Theme) ([]string, error) {
|
|
var exercices []string
|
|
|
|
if len(theme.Path) == 0 {
|
|
return []string{}, nil
|
|
} else if dirs, err := i.listDir(theme.Path); err != nil {
|
|
return []string{}, err
|
|
} else {
|
|
for _, dir := range dirs {
|
|
if _, err := i.listDir(path.Join(theme.Path, dir)); err == nil {
|
|
exercices = append(exercices, dir)
|
|
}
|
|
}
|
|
}
|
|
|
|
return exercices, nil
|
|
}
|
|
|
|
// SyncExercices imports new or updates existing exercices, in a given theme.
|
|
func SyncExercices(i Importer, theme fic.Theme) []string {
|
|
var errs []string
|
|
|
|
if exercices, err := getExercices(i, theme); err != nil {
|
|
errs = append(errs, err.Error())
|
|
} else {
|
|
dmap := map[int64]fic.Exercice{}
|
|
emap := map[string]int{}
|
|
for _, edir := range exercices {
|
|
edir_splt := strings.SplitN(edir, "-", 2)
|
|
if len(edir_splt) != 2 {
|
|
errs = append(errs, fmt.Sprintf("%q is not a valid exercice directory: missing id prefix", edir))
|
|
continue
|
|
}
|
|
|
|
eid, err := strconv.Atoi(edir_splt[0])
|
|
if err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: invalid exercice identifier: %s", edir, err))
|
|
continue
|
|
}
|
|
ename := edir_splt[1]
|
|
|
|
emap[ename] = eid
|
|
|
|
// Overview and scenario
|
|
overview, err := getFileContent(i, path.Join(theme.Path, edir, "overview.txt"))
|
|
if err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: overview.txt: %s", edir, err))
|
|
}
|
|
|
|
statement, err := getFileContent(i, path.Join(theme.Path, edir, "statement.txt"))
|
|
if err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: statement.txt: %s", edir, err))
|
|
continue
|
|
}
|
|
|
|
// Handle score gain
|
|
var gain int64
|
|
var depend *fic.Exercice
|
|
var tags []string
|
|
if p, err := parseExerciceParams(i, path.Join(theme.Path, edir)); err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: challenge.txt: %s", edir, err))
|
|
continue
|
|
} else if p.Gain == 0 {
|
|
errs = append(errs, fmt.Sprintf("%q: challenge.txt: Undefined gain for challenge", edir))
|
|
} else {
|
|
gain = p.Gain
|
|
tags = p.Tags
|
|
|
|
// Handle dependency
|
|
if len(p.Dependencies) > 0 {
|
|
if len(p.Dependencies[0].Theme) > 0 && p.Dependencies[0].Theme != theme.Name {
|
|
errs = append(errs, fmt.Sprintf("%q: unable to treat dependency to another theme: not implemented.", edir))
|
|
} else {
|
|
for ed, e := range dmap {
|
|
if ed == p.Dependencies[0].Id {
|
|
depend = &e
|
|
break
|
|
}
|
|
}
|
|
if depend == nil {
|
|
dmap_keys := []string{}
|
|
for k, _ := range dmap {
|
|
dmap_keys = append(dmap_keys, fmt.Sprintf("%d", k))
|
|
}
|
|
errs = append(errs, fmt.Sprintf("%q: Unable to find required dependancy %q (available at time of processing: %s)", edir, p.Dependencies[0].Id, strings.Join(dmap_keys, ",")))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle video
|
|
videoURI := path.Join(theme.Path, edir, "resolution.mp4")
|
|
if !i.exists(videoURI) {
|
|
errs = append(errs, fmt.Sprintf("%q: resolution.mp4: no video file found at %s", edir, videoURI))
|
|
videoURI = ""
|
|
}
|
|
|
|
// Markdown pre-formating
|
|
statement = string(blackfriday.Run([]byte(statement)))
|
|
overview = string(blackfriday.Run([]byte(overview)))
|
|
|
|
e, err := theme.GetExerciceByTitle(ename)
|
|
if err != nil {
|
|
if e, err = theme.AddExercice(ename, fic.ToURLid(ename), path.Join(theme.Path, edir), statement, overview, depend, gain, videoURI); err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: error on exercice add: %s", edir, err))
|
|
continue
|
|
}
|
|
} else if e.Title != ename || e.URLId == "" || e.Statement != statement || e.Overview != overview || e.Gain != gain || e.VideoURI != videoURI {
|
|
e.Title = ename
|
|
e.URLId = fic.ToURLid(ename)
|
|
e.Statement = statement
|
|
e.Overview = overview
|
|
e.Gain = gain
|
|
e.VideoURI = videoURI
|
|
if _, err := e.Update(); err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: error on exercice update: %s", edir, err))
|
|
continue
|
|
}
|
|
}
|
|
dmap[int64(eid)] = e
|
|
|
|
if _, err := e.WipeTags(); err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: Unable to wipe tags: %s", edir, err))
|
|
}
|
|
for _, tag := range tags {
|
|
if _, err := e.AddTag(tag); err != nil {
|
|
errs = append(errs, fmt.Sprintf("%q: Unable to add tag: %s", edir, err))
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// Remove old exercices
|
|
if exercices, err := theme.GetExercices(); err == nil {
|
|
for _, ex := range exercices {
|
|
if _, ok := emap[ex.Title]; !ok {
|
|
ex.Delete()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return errs
|
|
}
|
|
|
|
// ApiListRemoteExercices is an accessor letting foreign packages to access remote exercices list.
|
|
func ApiListRemoteExercices(theme fic.Theme, _ []byte) (interface{}, error) {
|
|
return getExercices(GlobalImporter, theme)
|
|
}
|