Simplify query code to get start read date

internal/routes/bookget.go

@@ -3,7 +3,6 @@ package routes
 import (
 	"net/http"
 	"strconv"
-	"time"
 
 	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
 	"git.artlef.fr/PersonalLibraryManager/internal/model"
@@ -33,22 +32,5 @@ func GetBookHandler(ac appcontext.AppContext) {
 		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
 		return
 	}
-	err = fixBookGetDateFields(&book)
-	if err != nil {
-		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
-		return
-	}
 	ac.C.JSON(http.StatusOK, book)
 }
-
-func fixBookGetDateFields(book *query.BookGet) error {
-	if book.StartReadDate == "" {
-		return nil
-	}
-	startDate, err := time.Parse(time.RFC3339, book.StartReadDate)
-	if err != nil {
-		return err
-	}
-	book.StartReadDate = startDate.Format(time.DateOnly)
-	return nil
-}