Requires login to see themes (when using fic-nginx container)

configs/nginx/base/docker.conf

@@ -150,9 +150,15 @@ server {
             add_header Cache-Control no-cache;
         }
         location /themes.json {
+	    include    fic-get-team.conf;
+
             root       ${PATH_TEAMS};
             expires    epoch;
             add_header Cache-Control no-cache;
+
+            if (!-f ${PATH_TEAMS}/$team/my.json) {
+                rewrite ^/ /themes-wait.json break;
+            }
         }
         location /challenge.json {
             root       ${PATH_SETTINGS}/;

docker-compose.yml

@@ -103,6 +103,7 @@ services:
       - fic-net
     volumes:
       - teams:/srv/TEAMS
+      - settingsdist:/srv/SETTINGSDIST
     command: -baseurl /qa/
     depends_on:
       - mysql

frontend/fic/src/routes/register/+page.svelte

@@ -12,6 +12,7 @@
  import { goto } from '$app/navigation';
 
  import { my } from '$lib/stores/my.js';
+ import { themesStore } from '$lib/stores/themes.js';
  import { settings } from '$lib/stores/settings.js';
 
  import RegistrationFormCreateTeam from '$lib/components/RegistrationFormCreateTeam.svelte';
@@ -26,7 +27,9 @@
  function gotoHomeOnDiff(i) {
      my.refresh((my) => {
          if (my && my.team_id) {
-             goto('.');
+             themesStore.refresh(() => {
+                 goto('.');
+             });
          } else if (i > 0) {
              setTimeout(gotoHomeOnDiff, 650, i-1);
          }

generator/generation.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -298,12 +299,43 @@ func genTeamsFile() error {
 
 // Generate general themes.json file
 func genThemesFile() error {
-	if themes, err := fic.ExportThemes(); err != nil {
-		return err
-	} else if j, err := json.Marshal(themes); err != nil {
-		return err
-	} else if err = ioutil.WriteFile(path.Join(TeamsDir, "themes.json"), j, 0666); err != nil {
-		return err
+	themes, err := fic.ExportThemes()
+	if err != nil {
+		return fmt.Errorf("unable to generate themes: %w", err)
+	}
+
+	var wr io.Writer
+
+	themesfd, err := os.Create(path.Join(TeamsDir, "themes.json"))
+	if err != nil {
+		return fmt.Errorf("unable to re-create themes.json: %w", err)
+	}
+	defer themesfd.Close()
+
+	themeswait, err := os.Create(path.Join(TeamsDir, "themes-wait.json"))
+	if err != nil {
+		return fmt.Errorf("unable to re-create themes-wait.json: %w", err)
+	}
+	defer themeswait.Close()
+
+	if allowRegistration {
+		wr = io.MultiWriter(themesfd, themeswait)
+	} else {
+		wr = themesfd
+	}
+
+	enc := json.NewEncoder(wr)
+	err = enc.Encode(themes)
+	if err != nil {
+		return fmt.Errorf("unable to encode themes.json: %w", err)
+	}
+
+	if !allowRegistration {
+		enc = json.NewEncoder(themeswait)
+		err = enc.Encode(map[string]string{})
+		if err != nil {
+			return fmt.Errorf("unable to encode themes-wait.json: %w", err)
+		}
 	}
 
 	return nil

generator/main.go

@@ -23,13 +23,16 @@ var TeamsDir string
 var ChStarted = false
 var lastRegeneration time.Time
 var skipInitialGeneration = false
+var allowRegistration bool
 
 func reloadSettings(config *settings.Settings) {
 	fic.HintCoefficient = config.HintCurCoefficient
 	fic.WChoiceCoefficient = config.WChoiceCurCoefficient
 	fic.ExerciceCurrentCoefficient = config.ExerciceCurCoefficient
 	ChStarted = config.Start.Unix() > 0 && time.Since(config.Start) >= 0
-	if fic.PartialValidation != config.PartialValidation || fic.UnlockedChallengeDepth != config.UnlockedChallengeDepth || fic.UnlockedChallengeUpTo != config.UnlockedChallengeUpTo || fic.DisplayAllFlags != config.DisplayAllFlags || fic.FirstBlood != config.FirstBlood || fic.SubmissionCostBase != config.SubmissionCostBase || fic.SubmissionUniqueness != config.SubmissionUniqueness || fic.DiscountedFactor != config.DiscountedFactor {
+	if allowRegistration != config.AllowRegistration || fic.PartialValidation != config.PartialValidation || fic.UnlockedChallengeDepth != config.UnlockedChallengeDepth || fic.UnlockedChallengeUpTo != config.UnlockedChallengeUpTo || fic.DisplayAllFlags != config.DisplayAllFlags || fic.FirstBlood != config.FirstBlood || fic.SubmissionCostBase != config.SubmissionCostBase || fic.SubmissionUniqueness != config.SubmissionUniqueness || fic.DiscountedFactor != config.DiscountedFactor {
+		allowRegistration = config.AllowRegistration
+
 		fic.PartialValidation = config.PartialValidation
 		fic.UnlockedChallengeDepth = config.UnlockedChallengeDepth
 		fic.UnlockedChallengeUpTo = config.UnlockedChallengeUpTo