first commit
This commit is contained in:
Eric Gullickson
197
Helper/TranslationHelper.cs
Normal file
197
Helper/TranslationHelper.cs
Normal file
@@ -0,0 +1,197 @@
|
||||
using MotoVaultPro.Models;
|
||||
using Microsoft.Extensions.Caching.Memory;
|
||||
using System.Text.Json;
|
||||
|
||||
namespace MotoVaultPro.Helper
|
||||
{
|
||||
public interface ITranslationHelper
|
||||
{
|
||||
string Translate(string userLanguage, string text);
|
||||
Dictionary<string, string> GetTranslations(string userLanguage);
|
||||
OperationResponse SaveTranslation(string userLanguage, Dictionary<string, string> translations);
|
||||
string ExportTranslation(Dictionary<string, string> translations);
|
||||
}
|
||||
public class TranslationHelper : ITranslationHelper
|
||||
{
|
||||
private readonly IFileHelper _fileHelper;
|
||||
private readonly IConfiguration _config;
|
||||
private readonly ILogger<ITranslationHelper> _logger;
|
||||
private IMemoryCache _cache;
|
||||
public TranslationHelper(IFileHelper fileHelper, IConfiguration config, IMemoryCache memoryCache, ILogger<ITranslationHelper> logger)
|
||||
{
|
||||
_fileHelper = fileHelper;
|
||||
_config = config;
|
||||
_cache = memoryCache;
|
||||
_logger = logger;
|
||||
}
|
||||
public string Translate(string userLanguage, string text)
|
||||
{
|
||||
bool create = bool.Parse(_config["LUBELOGGER_TRANSLATOR"] ?? "false");
|
||||
//transform input text into key.
|
||||
string translationKey = text.Replace(" ", "_");
|
||||
var translationFilePath = userLanguage == "en_US" ? _fileHelper.GetFullFilePath($"/defaults/en_US.json") : _fileHelper.GetFullFilePath($"/translations/{userLanguage}.json", false);
|
||||
var dictionary = _cache.GetOrCreate<Dictionary<string, string>>($"lang_{userLanguage}", entry =>
|
||||
{
|
||||
entry.SlidingExpiration = TimeSpan.FromHours(1);
|
||||
if (File.Exists(translationFilePath))
|
||||
{
|
||||
try
|
||||
{
|
||||
var translationFile = File.ReadAllText(translationFilePath);
|
||||
var translationDictionary = JsonSerializer.Deserialize<Dictionary<string, string>>(translationFile);
|
||||
return translationDictionary ?? new Dictionary<string, string>();
|
||||
} catch (Exception ex)
|
||||
{
|
||||
_logger.LogError(ex.Message);
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
_logger.LogError($"Could not find translation file for {userLanguage}");
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
});
|
||||
if (dictionary != null && dictionary.ContainsKey(translationKey))
|
||||
{
|
||||
return dictionary[translationKey];
|
||||
}
|
||||
else if (create && File.Exists(translationFilePath))
|
||||
{
|
||||
//create entry
|
||||
dictionary.Add(translationKey, text);
|
||||
_logger.LogInformation($"Translation key added to {userLanguage} for {translationKey} with value {text}");
|
||||
File.WriteAllText(translationFilePath, JsonSerializer.Serialize(dictionary));
|
||||
return text;
|
||||
}
|
||||
return text;
|
||||
}
|
||||
private Dictionary<string, string> GetDefaultTranslation()
|
||||
{
|
||||
//this method always returns en_US translation.
|
||||
var translationFilePath = _fileHelper.GetFullFilePath($"/defaults/en_US.json");
|
||||
if (!string.IsNullOrWhiteSpace(translationFilePath))
|
||||
{
|
||||
//file exists.
|
||||
try
|
||||
{
|
||||
var translationFile = File.ReadAllText(translationFilePath);
|
||||
var translationDictionary = JsonSerializer.Deserialize<Dictionary<string, string>>(translationFile);
|
||||
return translationDictionary ?? new Dictionary<string, string>();
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.LogError(ex.Message);
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
}
|
||||
_logger.LogError($"Could not find translation file for en_US");
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
public Dictionary<string, string> GetTranslations(string userLanguage)
|
||||
{
|
||||
var defaultTranslation = GetDefaultTranslation();
|
||||
if (userLanguage == "en_US")
|
||||
{
|
||||
return defaultTranslation;
|
||||
}
|
||||
var translationFilePath = _fileHelper.GetFullFilePath($"/translations/{userLanguage}.json");
|
||||
if (!string.IsNullOrWhiteSpace(translationFilePath))
|
||||
{
|
||||
//file exists.
|
||||
try
|
||||
{
|
||||
var translationFile = File.ReadAllText(translationFilePath);
|
||||
var translationDictionary = JsonSerializer.Deserialize<Dictionary<string, string>>(translationFile);
|
||||
if (translationDictionary != null)
|
||||
{
|
||||
foreach(var translation in translationDictionary)
|
||||
{
|
||||
if (defaultTranslation.ContainsKey(translation.Key))
|
||||
{
|
||||
defaultTranslation[translation.Key] = translation.Value;
|
||||
}
|
||||
}
|
||||
}
|
||||
return defaultTranslation ?? new Dictionary<string, string>();
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.LogError(ex.Message);
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
}
|
||||
_logger.LogError($"Could not find translation file for {userLanguage}");
|
||||
return new Dictionary<string, string>();
|
||||
}
|
||||
public OperationResponse SaveTranslation(string userLanguage, Dictionary<string, string> translations)
|
||||
{
|
||||
bool create = bool.Parse(_config["LUBELOGGER_TRANSLATOR"] ?? "false");
|
||||
bool isDefaultLanguage = userLanguage == "en_US";
|
||||
if (isDefaultLanguage && !create)
|
||||
{
|
||||
return OperationResponse.Failed("The translation file name en_US is reserved.");
|
||||
}
|
||||
if (string.IsNullOrWhiteSpace(userLanguage))
|
||||
{
|
||||
return OperationResponse.Failed("File name is not provided.");
|
||||
}
|
||||
if (!translations.Any())
|
||||
{
|
||||
return OperationResponse.Failed("Translation has no data.");
|
||||
}
|
||||
var translationFilePath = isDefaultLanguage ? _fileHelper.GetFullFilePath($"/defaults/en_US.json") : _fileHelper.GetFullFilePath($"/translations/{userLanguage}.json", false);
|
||||
try
|
||||
{
|
||||
if (File.Exists(translationFilePath))
|
||||
{
|
||||
//write to file
|
||||
File.WriteAllText(translationFilePath, JsonSerializer.Serialize(translations));
|
||||
_cache.Remove($"lang_{userLanguage}"); //clear out cache, force a reload from file.
|
||||
} else
|
||||
{
|
||||
//check if directory exists first.
|
||||
var translationDirectory = _fileHelper.GetFullFilePath("translations/", false);
|
||||
if (!Directory.Exists(translationDirectory))
|
||||
{
|
||||
Directory.CreateDirectory(translationDirectory);
|
||||
}
|
||||
//write to file
|
||||
File.WriteAllText(translationFilePath, JsonSerializer.Serialize(translations));
|
||||
}
|
||||
return OperationResponse.Succeed("Translation Updated");
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.LogError(ex.Message);
|
||||
return OperationResponse.Failed();
|
||||
}
|
||||
}
|
||||
public string ExportTranslation(Dictionary<string, string> translations)
|
||||
{
|
||||
try
|
||||
{
|
||||
var tempFileName = $"/temp/{Guid.NewGuid()}.json";
|
||||
string uploadDirectory = _fileHelper.GetFullFilePath("temp/", false);
|
||||
if (!Directory.Exists(uploadDirectory))
|
||||
{
|
||||
Directory.CreateDirectory(uploadDirectory);
|
||||
}
|
||||
var saveFilePath = _fileHelper.GetFullFilePath(tempFileName, false);
|
||||
//standardize translation format for export only.
|
||||
Dictionary<string, string> sortedTranslations = new Dictionary<string, string>();
|
||||
foreach (var translation in translations.OrderBy(x => x.Key))
|
||||
{
|
||||
sortedTranslations.Add(translation.Key, translation.Value);
|
||||
};
|
||||
File.WriteAllText(saveFilePath, JsonSerializer.Serialize(sortedTranslations, new JsonSerializerOptions { WriteIndented = true }));
|
||||
return tempFileName;
|
||||
}
|
||||
catch(Exception ex)
|
||||
{
|
||||
_logger.LogError(ex.Message);
|
||||
return string.Empty;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user