#41

frontend/src/pages/GekanatorPage.tsx

@@ -449,9 +449,12 @@ const previewAnswer = ({
   const hardFilteredPosts =
       answer === 'unknown'
 	? posts
-	: posts.filter (post => expectedAnswerForQuestion (question, post) === answer)
+	: posts.filter (post => {
+	    const expected = expectedAnswerForQuestion (question, post)
+	    return expected === null || expected === 'unknown' || expected === answer
+	  })
   const nextPosts =
-      answer !== 'unknown' && hardFilteredPosts.length > 0
+      hardFilteredPosts.length > 0
 	? hardFilteredPosts
 	: posts
   const nextScores = new Map (scores)
@@ -1061,14 +1064,16 @@ const GekanatorPage: FC = () => {
       }})
   const questionSuggestionMutation = useMutation ({
       mutationFn: saveGekanatorQuestionSuggestion,
-      onSuccess: data => {
+      onSuccess: async data => {
+	await queryClient.refetchQueries ({ queryKey: gekanatorKeys.questions () })
 	setQuestionSuggestionCount (data.count)
 	setQuestionSuggestion ('')
 	setQuestionSuggestionAnswer ('yes')
       }})
   const extraQuestionAnswersMutation = useMutation ({
       mutationFn: saveGekanatorExtraQuestionAnswers,
-      onSuccess: () => {
+      onSuccess: async () => {
+	await queryClient.refetchQueries ({ queryKey: gekanatorKeys.questions () })
 	setExtraQuestionState ('saved')
 	setPhase ('learned')
       }})
@@ -1544,7 +1549,12 @@ const GekanatorPage: FC = () => {
 	? <>グカカカカwwwww  <ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>は何でもお見通し!</>
 	: <>私は<ruby>洗澡鹿<rt>シーザオグカ</rt></ruby>．質問から投稿を何でも当ててみせるよ</>
   const introLoading = isLoading || acceptedQuestionsLoading
-  const readyToStart = !(introLoading) && acceptedQuestionsFetched && posts.length > 0
+  const readyToStart =
+      !(introLoading)
+      && acceptedQuestionsFetched
+      && posts.length > 0
+      && !(error)
+      && !(acceptedQuestionsError)
 
   return (
       <MainArea className="bg-yellow-50 dark:bg-red-975">