Data Annotations - Caching

I'm using ASP.NET Core 2 together with this adaptation of AspNetCoreLocalization. I'm however a bit 'stuck' on resetting the cache for my data annotation translations.

When I reset the cache, everything is updated (global translations (custom) and my resource translations) however, my data annotations refuse to be 'updated', even though they should be used as resource translations (stock behaviour).

const bool useTypeFullNames = false;
const bool useOnlyPropertyNames = false;
const bool returnOnlyKeyIfNotFound = false;
bool createNewRecord = env.IsDevelopment();
            

services.AddDapperLocalization(options => options.UseSettings(
       useTypeFullNames, useOnlyPropertyNames, returnOnlyKeyIfNotFound, createNewRecord
));

services.AddMvc()
       .AddViewLocalization()
       .AddDataAnnotationsLocalization()
       .AddRazorOptions(options => { options.PageViewLocationFormats.Add("/Pages/Partials/{0}.cshtml"); });

Is there any way I can also make the data annotation translations reset cache?

+1 Exactly this happens to me also.

I had same problem... seems to be a problem with DataAnnotation resource that in some way continue to reference the first ISqlLocalizer object created, also after cleaning the internal cache dictionary.

I solved in this way:

SqlStringLocalizerFactory.cs :


public void ResetCache()
        {
            lock (_context)
            {
                _context.DetachAllEntities();
            }

            foreach (String localizerKey in _resourceLocalizations.Keys)
            {
                SqlStringLocalizer localizer = _resourceLocalizations[localizerKey] as SqlStringLocalizer;

                localizer.ReloadLocalizations(GetAllFromDatabaseForResource(localizerKey));
            }
        }

        public void ResetCache(Type resourceSource)
        {
            lock (_context)
            {
                _context.DetachAllEntities();
            }

            IStringLocalizer returnValue;
            
            if (_resourceLocalizations.TryGetValue(resourceSource.FullName, out returnValue))
            {
                SqlStringLocalizer localizer = _resourceLocalizations[resourceSource.FullName] as SqlStringLocalizer;

                localizer.ReloadLocalizations(GetAllFromDatabaseForResource(resourceSource.FullName));
            }

            
        }

SqlStringLocalizer.cs:

private Dictionary<string, string> _localizations; //Removed readonly

public void ReloadLocalizations(Dictionary<string, string> localizations)
        {
            if (_localizations != null)
                _localizations.Clear();

            _localizations = localizations;
        }

Could this bug fix be implemented please?

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Data Annotations - Caching #52

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velorium-star commented on Jan 23, 2019

sihon82 commented on Jan 30, 2020

JoeGoodwin commented on May 21, 2021

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