Add ITranslationProvider.LoadTranslationsAsync() #15886

hishamco · 2024-04-26T10:11:33Z

No breaking changes

coderabbitai · 2024-04-26T10:11:45Z

📝 Walkthrough

Walkthrough

The updates across OrchardCore's localization modules primarily focus on transitioning from synchronous to asynchronous methods. This shift enhances the system's efficiency by supporting non-blocking operations, especially beneficial when loading translations from various data stores. Key interfaces and classes within the localization framework have been refactored to include async methods, with corresponding deprecations of their synchronous counterparts.

Changes

File Path	Summary of Changes
`src/OrchardCore/OrchardCore.Localization.Abstractions/IPluralStringLocalizer.cs`	Modified `IPluralStringLocalizer` interface to include `GetTranslation` method directly within the interface definition, removing nested interfaces.
`src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectHtmlLocalizer.cs` `src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectStringLocalizer.cs`	Updated `PortableObjectHtmlLocalizer` to use asynchronous method `GetTranslationAsync` and `GetAwaiter().GetResult()`. Converted synchronous methods to asynchronous in `PortableObjectStringLocalizer.cs` for improved performance and responsiveness.
`src/OrchardCore/OrchardCore.Localization.Abstractions/ITranslationProvider.cs` `src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs` `src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs` `src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoFilesTranslationsProvider.cs`	Refactored interfaces and classes across these files to introduce asynchronous methods for loading translations, deprecating synchronous methods and enhancing performance through async operations.

Assessment against linked issues

Objective	Addressed	Explanation
Async support for loading translations (#11356)	✅
Non-blocking operations for data stores (#11356)	✅

The changes effectively address the primary objectives outlined in the linked issue #11356 by incorporating asynchronous methods across the localization interfaces and their implementations. This refactoring ensures that the system can handle translation loading operations asynchronously, thereby avoiding blocking calls and enhancing performance when interacting with various data storage solutions.

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coderabbitai

Actionable comments posted: 4

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectStringLocalizer.cs

coderabbitai

Actionable comments posted: 4

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectStringLocalizer.cs

coderabbitai

Actionable comments posted: 1

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectHtmlLocalizer.cs

Piedone

Since the ultimate consumers of these services, PortableObjectHtmlLocalizer and PortableObjectStringLocalizer retrieve the localization values synchronously, I doubt we get a performance benefit but there is a chance of deadlocks.

Please provide end-to-end benchmarks for these services so we can see if we gain something.

src/OrchardCore/OrchardCore.Localization.Abstractions/ITranslationProvider.cs

Piedone · 2024-04-26T14:06:35Z

src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs

+    /// <inheritdoc />
+    public async Task<CultureDictionary> GetDictionaryAsync(CultureInfo culture)
+    {
+        var cachedDictionary = _cache.GetOrCreate(CacheKeyPrefix + culture.Name, k => new Lazy<Task<CultureDictionary>>(async () =>


This now caches not the dictionary but a Task that produces the dictionary. While this looks working at a first glance, this is not what should really happen. Rather, the dictionary itself needs to be cached. I don't think the Lazy makes sense here anyway.

Piedone · 2024-04-26T14:07:21Z

src/OrchardCore/OrchardCore.Localization.Core/OrchardCore.Localization.Core.csproj

+  <ItemGroup>
+    <PackageReference Include="System.Linq.Async" />
+  </ItemGroup>


This doesn't seem necessary.

It's necessary to convert from IAsyncEnumerable to Enumberable

It still builds if I remove it.

Really!! I got 4 errors, how the IAsyncEnumerable extension methods be there without referencing a proper package?

I dunno :).

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs

Co-authored-by: Zoltán Lehóczky <zoltan.lehoczky@lombiq.com>

coderabbitai

Actionable comments posted: 0

Out of diff range and nitpick comments (1)

src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs (1)

39-62: Consider caching the dictionary directly instead of the task to avoid potential issues with multiple concurrent requests.

This reverts commit 93a802e.

Piedone · 2024-05-02T00:02:33Z

src/OrchardCore/OrchardCore.Localization.Abstractions/ILocalizationManager.cs

If the other changes in the PR prove to be suitable, then ILocalizationFileLocationProvider can be made async too.

Why, it just retrieve a set of locations

sebastienros · 2024-05-02T00:15:05Z

src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs

-        /// <inheritdoc />
-        public CultureDictionary GetDictionary(CultureInfo culture)
-        {
-            var cachedDictionary = _cache.GetOrCreate(CacheKeyPrefix + culture.Name, k => new Lazy<CultureDictionary>(() =>


The Lazyness here is important as it prevents r-entrancy. Without it multiple threads (concurrent requests?) can get into the body and run. The MemoryCache is not blocking on the factory body. With the Lazy, all concurrent requests can potentially create a Lazy instance, but only one will be added to the cache and executed.

sebastienros · 2024-05-02T00:16:56Z

src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs

+    /// <inheritdoc />
+    public async Task<CultureDictionary> GetDictionaryAsync(CultureInfo culture)
+    {
+        var cachedDictionary = await _cache.GetOrCreateAsync(CacheKeyPrefix + culture.Name, async (e) =>


Sicne we don't want entries to be revoked here (we don't, right? even on memory pressure), we can use a keyed Dictionary and remove the prefix on the key (because there can't be conflicts anymore). I did it recently, I am sure you will recall.

Can we use ConccurentDictionary?

Yes, a ConcurrentDictionary actually since a culture could be read while another one is being added to it. But still a keyed service so we don't have to use IMemoryCache. We should only use it when we need expiration rules which we don't want here.

Please also add a comment in the code to remember why we need a ConcurrentDictionary (I will forget myself)

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs

sebastienros · 2024-05-02T00:19:57Z

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs

 {
+    private static readonly Dictionary<char, char> _escapeTranslations = new()


Perfect candidate for FrozenDictionary.
Or just remove this dictionary and use a switch the compiler is clever enough to use a dictionary of ifs based on the number of items for best performance, so we don't have to think about it too much.

I will create another PR for that because it might need extra testing and benchmarking

github-actions · 2024-05-02T14:30:02Z

This pull request has merge conflicts. Please resolve those before requesting a review.

…lizedString>

github-actions · 2024-08-07T21:36:31Z

This pull request has merge conflicts. Please resolve those before requesting a review.

MikeAlhayek · 2024-08-15T17:43:01Z

@hishamco for instructions on how to resolve the merge conflicts due to #16572 please follow the step listed in this comment.

# Conflicts: # src/OrchardCore/OrchardCore.Localization.Abstractions/ILocalizationManager.cs # src/OrchardCore/OrchardCore.Localization.Abstractions/IPluralStringLocalizer.cs # src/OrchardCore/OrchardCore.Localization.Abstractions/ITranslationProvider.cs # src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs # src/OrchardCore/OrchardCore.Localization.Core/OrchardCore.Localization.Core.csproj # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoFilesTranslationsProvider.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectHtmlLocalizer.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectStringLocalizer.cs # test/OrchardCore.Tests/Localization/LocalizationManagerTests.cs # test/OrchardCore.Tests/Localization/PoParserTests.cs # test/OrchardCore.Tests/Localization/PortableObjectStringLocalizerTests.cs

sebastienros · 2024-09-05T17:55:34Z

src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs

-                {
-                    translationProvider.LoadTranslations(culture.Name, dictionary);
-                }
+            var dictionary = new CultureDictionary(culture.Name, rule ?? _defaultPluralRule);


The LoadTranslationsAsync should be move to a private AwaitedLoadtranslationAsync method with the async/await keywords such that we don't need it in the GetDictionaryAsync.

sebastienros · 2024-09-05T18:00:09Z

src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectHtmlLocalizer.cs

@@ -41,7 +41,7 @@ public override LocalizedHtmlString this[string name]
                if (_localizer is IPluralStringLocalizer pluralLocalizer && arguments.Length == 1 && arguments[0] is PluralizationArgument)
                {
                    // Get an unformatted string and all non plural arguments (1st one is the plural count).
-                    var (translation, argumentsWithCount) = pluralLocalizer.GetTranslation(name, arguments);
+                    var (translation, argumentsWithCount) = pluralLocalizer.GetTranslationAsync(name, arguments).GetAwaiter().GetResult();


All this PR to come back to this pitfall, for every single invokation of the localizer. It was better before, even if it was not reading the file asynchronously once)

Maybe because we didn't do it the right way from the beginning :)

github-actions · 2024-11-05T00:57:34Z

It seems that this pull request didn't really move for quite a while. Is this something you'd like to revisit any time soon or should we close? Please comment if you'd like to pick it up.

# Conflicts: # src/OrchardCore/OrchardCore.Localization.Core/LocalizationManager.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoFilesTranslationsProvider.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PoParser.cs # src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectStringLocalizer.cs

Add ITranslationProvider.LoadTranslationsAsync()

11d28ed

hishamco requested a review from sebastienros April 26, 2024 10:13

coderabbitai bot reviewed Apr 26, 2024

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IPluralStringLocalizer.GetTranslationAsync()

62a0e0b

coderabbitai bot reviewed Apr 26, 2024

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Fix the build

f8246fd

coderabbitai bot reviewed Apr 26, 2024

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src/OrchardCore/OrchardCore.Localization.Core/PortableObject/PortableObjectHtmlLocalizer.cs Outdated Show resolved Hide resolved

Piedone requested changes Apr 26, 2024

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hishamco and others added 2 commits April 26, 2024 20:33

Apply suggestions from code review

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Co-authored-by: Zoltán Lehóczky <zoltan.lehoczky@lombiq.com>

Address feedback

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coderabbitai bot reviewed Apr 26, 2024

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Use IAsyncEnumerable

93a802e

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Revert "Use IAsyncEnumerable"

3035a04

This reverts commit 93a802e.

This was referenced May 1, 2024

Monthly community metrics report for 2024-04-01..2024-04-30 #15929

Closed

Monthly community metrics report for 2024-04-01..2024-04-30 Emmanjr/OrchardCore#2

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Piedone reviewed May 2, 2024

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Piedone mentioned this pull request May 2, 2024

Remove unnecessary async code #15941

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sebastienros reviewed May 2, 2024

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hishamco mentioned this pull request May 2, 2024

PoParser PERF #15943

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github-actions bot added the merge conflict label May 2, 2024

Merge branch 'main' into hishamco/translation-provider

239bc7f

github-actions bot removed the merge conflict label May 2, 2024

hishamco added 3 commits May 3, 2024 05:55

Merge branch 'main' into hishamco/translation-provider

5cd5a85

Fix merge conflict

8fdfc09

GetAllStringsFromCultureHierarchyAsync() return IAsyncEnumerable<Loca…

47050eb

…lizedString>

github-actions bot added the merge conflict label Aug 7, 2024

hishamco added 2 commits August 15, 2024 22:40

Merge branch 'main' into hishamco/translation-provider

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sebastienros reviewed Sep 5, 2024

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github-actions bot added the stale label Nov 5, 2024

hishamco removed the stale label Nov 5, 2024

hishamco added 2 commits December 13, 2024 22:48

Update

89330e1

hishamco force-pushed the hishamco/translation-provider branch from ef0a4b2 to 89330e1 Compare December 14, 2024 00:05

github-actions bot removed the merge conflict label Dec 14, 2024

Merge branch 'main' into hishamco/translation-provider

bebc0af

		{
		private static readonly Dictionary<char, char> _escapeTranslations = new()

Add ITranslationProvider.LoadTranslationsAsync() #15886

Are you sure you want to change the base?

Add ITranslationProvider.LoadTranslationsAsync() #15886

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hishamco commented Apr 26, 2024

coderabbitai bot commented Apr 26, 2024 • edited Loading

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github-actions bot commented May 2, 2024

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