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Translations api

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using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Web.Http;
using EPiServer.Framework.Localization;
using EPiServer.ServiceLocation;
/// <summary>
/// The Translation api controller.
/// </summary>
[DisplayName("Translation Api")]
[RoutePrefix("api/translation")]
public class TranslationApiController : ApiController
{
private readonly LocalizationService localizationService;
public TranslationApiController()
: this(ServiceLocator.Current.GetInstance<LocalizationService>())
{
}
public TranslationApiController(LocalizationService localizationService)
{
this.localizationService = localizationService;
}
/// <summary>
/// Gets all translations.
/// </summary>
/// <returns>An array of all translations, by culture.</returns>
[HttpGet]
[Route("")]
public IHttpActionResult GetTranslations()
{
Dictionary<string, Dictionary<string, string>> keyValues = this.GetKeyValues();
return this.Json(content: keyValues);
}
/// <summary>
/// Gets the translations.
/// </summary>
/// <param name="key">The key.</param>
/// <returns>An array of translations for the specified <paramref name="key"/>, by culture.</returns>
[HttpGet]
[Route("{key}")]
public IHttpActionResult GetTranslations(string key)
{
Dictionary<string, Dictionary<string, string>> keyValues = this.GetKeyValues(key: key);
return this.Json(content: keyValues);
}
/// <summary>
/// Gets the translations.
/// </summary>
/// <param name="culture">The culture.</param>
/// <param name="key">The key.</param>
/// <returns>An array of translations for the specified <paramref name="culture"/> and <paramref name="key"/>.</returns>
[HttpGet]
[Route("{culture}/{key}")]
public IHttpActionResult GetTranslations(string culture, string key)
{
List<ResourceItem> resourceItems = this.localizationService.GetAllStringsByCulture(
$"/{key.Replace('.', '/')}",
new CultureInfo(name: culture)).ToList();
Dictionary<string, string> keyValues = new Dictionary<string, string>();
foreach (ResourceItem resourceItem in resourceItems)
{
AddKeyValue(resourceItem: resourceItem, keyValues: keyValues);
}
return this.Json(content: keyValues);
}
private static void AddKeyValue(ResourceItem resourceItem, Dictionary<string, string> keyValues)
{
string resourceKey = resourceItem.Key.Replace('/', '.').TrimStart('.');
string resourceValue = resourceItem.Value;
if (!keyValues.ContainsKey(key: resourceKey))
{
keyValues.Add(key: resourceKey, value: resourceValue);
}
}
private Dictionary<string, Dictionary<string, string>> GetKeyValues(string key = null)
{
List<ResourceItem> resourceItems = string.IsNullOrWhiteSpace(value: key)
? this.localizationService.GetAllStrings().ToList()
: this.localizationService.GetAllStrings($"/{key.Replace('.', '/')}").ToList();
List<IGrouping<string, ResourceItem>> groupedTranslationsList = resourceItems
.GroupBy(u => u.SourceCulture.Name).ToList();
Dictionary<string, Dictionary<string, string>> keyValues =
new Dictionary<string, Dictionary<string, string>>();
foreach (IGrouping<string, ResourceItem> group in groupedTranslationsList)
{
Dictionary<string, string> cultureDictionary = new Dictionary<string, string>();
foreach (ResourceItem resourceItem in group)
{
AddKeyValue(resourceItem: resourceItem, keyValues: cultureDictionary);
}
keyValues.Add(key: group.Key, value: cultureDictionary);
}
return keyValues;
}
}
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