api: remote route takes advantage from builds functions

admin/sync/exercice_keys.go

@@ -1,6 +1,7 @@
 package sync
 
 import (
+	"errors"
 	"fmt"
 	"math/rand"
 	"path"
@@ -8,6 +9,8 @@ import (
 	"strings"
 	"unicode"
 
+	"github.com/julienschmidt/httprouter"
+
 	"srs.epita.fr/fic-server/libfic"
 )
 
@@ -385,3 +388,23 @@ func SyncExerciceFlags(i Importer, exercice fic.Exercice) (errs []string) {
 
 	return
 }
+
+// ApiListRemoteExerciceFlags is an accessor letting foreign packages to access remote exercice flags.
+func ApiGetRemoteExerciceFlags(ps httprouter.Params, _ []byte) (interface{}, error) {
+	theme, errs := BuildTheme(GlobalImporter, ps.ByName("thid"))
+	if theme != nil {
+		exercice, _, _, _, errs := BuildExercice(GlobalImporter, *theme, path.Join(theme.Path, ps.ByName("exid")), nil)
+		if exercice != nil {
+			flags, errs := CheckExerciceFlags(GlobalImporter, *exercice, []fic.EFile{})
+			if flags != nil {
+				return flags, nil
+			} else {
+				return flags, errors.New(fmt.Sprintf("%q", errs))
+			}
+		} else {
+			return exercice, errors.New(fmt.Sprintf("%q", errs))
+		}
+	} else {
+		return nil, errors.New(fmt.Sprintf("%q", errs))
+	}
+}