Start reading cancel read: move logic to backend

front/src/BookForm.vue

@@ -72,7 +72,6 @@ async function onStartReadIconClick() {
   }
   if (data.value.read) {
     data.value.read = false
-    putUnreadBook(props.id)
   }
 }
 

front/src/BookListElement.vue

@@ -86,17 +86,12 @@ async function onUserBookStartRead() {
 
 async function userBookStartRead() {
   const res = await putStartRead(props.id)
-  if (!res.ok) {
+  if (res.ok) {
-    res.json().then((json) => (error.value = json))
-    return
-  }
-  const resp = await putUnreadBook(props.id)
-  if (resp.ok) {
     currentStartReadDate.value = today
     isRead.value = false
     isWantRead.value = false
   } else {
-    resp.json().then((json) => (error.value = json))
+    res.json().then((json) => (error.value = json))
   }
 }
 

internal/apitest/put_userbook_test.go

@@ -153,6 +153,18 @@ func TestPutStartReadUserBooks_UnsetWantReadOk(t *testing.T) {
 	assert.Equal(t, false, book.WantRead)
 }
 
+func TestPutStartReadUserBooks_UnsetReadOk(t *testing.T) {
+	payload :=
+		`{
+	  "startDate": "2025-12-20"
+	}`
+	bookId := "13"
+	testPutUserBooks(t, payload, bookId, http.StatusOK)
+	book := testGetBook(t, bookId, http.StatusOK)
+	assert.Equal(t, "2025-12-20", book.StartReadDate)
+	assert.Equal(t, false, book.Read)
+}
+
 func TestPutStartReadUserBooks_Unset(t *testing.T) {
 	payload :=
 		`{

internal/routes/userbookputupdate.go

@@ -63,6 +63,7 @@ func PutUserBookHandler(ac appcontext.AppContext) {
 			return
 		}
 		if d != nil {
+			userbook.Read = false
 			userbook.WantRead = false
 		}
 		userbook.StartReadDate = d