implement choices_cost

backend/choices.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"io/ioutil"
+	"os"
+
+	"srs.epita.fr/fic-server/libfic"
+)
+
+type wantChoices struct {
+	FlagId       int64 `json:"id"`
+}
+
+func treatWantChoices(pathname string, team fic.Team) {
+	var ask wantChoices
+
+	if cnt_raw, err := ioutil.ReadFile(pathname); err != nil {
+		log.Println("[ERR]", err)
+	} else if err := json.Unmarshal(cnt_raw, &ask); err != nil {
+		log.Println("[ERR]", err)
+	} else if ask.FlagId == 0 {
+		log.Println("[WRN] Invalid content in wantChoices file: ", pathname)
+		os.Remove(pathname)
+	} else if flag, err := fic.GetFlag(ask.FlagId); err != nil {
+		log.Println("[ERR]", err)
+	} else if err := team.DisplayChoices(flag); err != nil {
+		log.Println("[ERR]", err)
+	} else {
+		if err := genTeamMyFile(team); err != nil {
+			log.Println("my-", team.Id, ".json generation error: ", err)
+		}
+		if err := os.Remove(pathname); err != nil {
+			log.Println("[ERR]", err)
+		}
+	}
+}

backend/main.go

@@ -169,6 +169,8 @@ func treat(raw_path string) {
 			treatRename(raw_path, team)
 		case "hint":
 			treatOpeningHint(raw_path, team)
+		case "choices":
+			treatWantChoices(raw_path, team)
 		default:
 			treatSubmission(raw_path, team, spath[2])
 		}