mirror of https://github.com/Squidex/squidex.git
Sebastian
5 years ago
11 changed files with 43 additions and 220 deletions
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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using System.Collections.Generic; |
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using System.Diagnostics.CodeAnalysis; |
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using System.Net; |
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using System.Net.Http; |
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using System.Threading; |
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using System.Threading.Tasks; |
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using Microsoft.Extensions.Options; |
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using Squidex.Infrastructure.Json; |
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namespace Squidex.Infrastructure.Translations |
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{ |
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[ExcludeFromCodeCoverage] |
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public sealed class DeepLTranslator : ITranslator |
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{ |
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private const string Url = "https://api.deepl.com/v2/translate"; |
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private readonly HttpClient httpClient = new HttpClient(); |
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private readonly DeepLTranslatorOptions deeplOptions; |
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private readonly IJsonSerializer jsonSerializer; |
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private sealed class Response |
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{ |
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public ResponseTranslation[] Translations { get; set; } |
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} |
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private sealed class ResponseTranslation |
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{ |
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public string Text { get; set; } |
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} |
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public DeepLTranslator(IOptions<DeepLTranslatorOptions> deeplOptions, IJsonSerializer jsonSerializer) |
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{ |
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Guard.NotNull(deeplOptions, nameof(deeplOptions)); |
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Guard.NotNull(jsonSerializer, nameof(jsonSerializer)); |
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this.deeplOptions = deeplOptions.Value; |
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this.jsonSerializer = jsonSerializer; |
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} |
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public async Task<Translation> Translate(string sourceText, Language targetLanguage, Language? sourceLanguage = null, CancellationToken ct = default) |
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{ |
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if (string.IsNullOrWhiteSpace(sourceText) || targetLanguage == null) |
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{ |
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return new Translation(TranslationResult.NotTranslated, sourceText); |
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} |
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if (string.IsNullOrWhiteSpace(deeplOptions.AuthKey)) |
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{ |
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return new Translation(TranslationResult.NotImplemented); |
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} |
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var parameters = new Dictionary<string, string> |
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{ |
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["auth_key"] = deeplOptions.AuthKey, |
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["text"] = sourceText, |
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["target_lang"] = GetLanguageCode(targetLanguage) |
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}; |
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if (sourceLanguage != null) |
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{ |
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parameters["source_lang"] = GetLanguageCode(sourceLanguage); |
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} |
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var body = new FormUrlEncodedContent(parameters!); |
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using (var response = await httpClient.PostAsync(Url, body, ct)) |
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{ |
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var responseString = await response.Content.ReadAsStringAsync(ct); |
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if (response.IsSuccessStatusCode) |
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{ |
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var result = jsonSerializer.Deserialize<Response>(responseString); |
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if (result?.Translations?.Length == 1) |
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{ |
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return new Translation(TranslationResult.Translated, result.Translations[0].Text); |
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} |
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} |
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if (response.StatusCode == HttpStatusCode.BadRequest) |
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{ |
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return new Translation(TranslationResult.LanguageNotSupported, resultText: responseString); |
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} |
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return new Translation(TranslationResult.Failed, resultText: responseString); |
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} |
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} |
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private static string GetLanguageCode(Language language) |
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{ |
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return language.Iso2Code.Substring(0, 2).ToUpperInvariant(); |
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} |
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} |
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} |
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@ -1,14 +0,0 @@ |
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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namespace Squidex.Infrastructure.Translations |
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{ |
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public sealed class DeepLTranslatorOptions |
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{ |
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public string? AuthKey { get; set; } |
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} |
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} |
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@ -1,17 +0,0 @@ |
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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using System.Threading; |
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using System.Threading.Tasks; |
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namespace Squidex.Infrastructure.Translations |
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{ |
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public interface ITranslator |
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{ |
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Task<Translation> Translate(string sourceText, Language targetLanguage, Language? sourceLanguage = null, CancellationToken ct = default); |
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} |
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} |
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@ -1,22 +0,0 @@ |
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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using System.Threading; |
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using System.Threading.Tasks; |
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namespace Squidex.Infrastructure.Translations |
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{ |
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public sealed class NoopTranslator : ITranslator |
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{ |
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public Task<Translation> Translate(string sourceText, Language targetLanguage, Language? sourceLanguage = null, CancellationToken ct = default) |
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{ |
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var result = new Translation(TranslationResult.NotImplemented); |
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return Task.FromResult(result); |
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} |
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} |
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} |
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@ -1,25 +0,0 @@ |
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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namespace Squidex.Infrastructure.Translations |
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{ |
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public sealed class Translation |
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{ |
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public TranslationResult Result { get; } |
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public string? Text { get; } |
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public string? ResultText { get; set; } |
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public Translation(TranslationResult result, string? text = null, string? resultText = null) |
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{ |
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Text = text; |
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Result = result; |
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ResultText = resultText; |
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} |
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} |
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} |
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@ -1,18 +0,0 @@ |
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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namespace Squidex.Infrastructure.Translations |
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{ |
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public enum TranslationResult |
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{ |
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Translated, |
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LanguageNotSupported, |
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NotTranslated, |
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NotImplemented, |
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Failed |
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} |
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} |
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