113 lines
2.4 KiB
C#
113 lines
2.4 KiB
C#
using Raven.Client.Documents.Session;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using zero.Core.Attributes;
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using zero.Core.Database;
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using zero.Core.Entities;
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using zero.Core.Extensions;
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using zero.Core.Renderer;
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namespace zero.Core.Services
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{
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public class Localizer : ILocalizer, IDisposable
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{
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protected Dictionary<string, string> Cache { get; private set; } = new();
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protected IZeroStore Store { get; private set; }
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IDocumentSession _session = null;
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protected IDocumentSession Session { get { return _session ?? (_session = Store.OpenSession()); } }
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public Localizer(IZeroStore store)
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{
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Store = store;
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}
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/// <inheritdoc />
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public string Text(string key) => Text(key, null);
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/// <inheritdoc />
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public string Text(string key, IDictionary<string, string> tokens)
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{
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if (key.IsNullOrEmpty())
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{
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return null;
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}
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if (!Cache.TryGetValue(key, out string value))
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{
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ITranslation translation = LoadTranslation(key);
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if (translation == null)
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{
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return null;
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}
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value = translation.Value;
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lock (Cache)
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{
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Cache[key] = value;
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}
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}
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if (tokens != null)
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{
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value = TokenReplacement.Apply(value, tokens);
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}
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return value;
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}
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/// <summary>
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/// Get a text string from a Text attribute on a specific enum value
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/// </summary>
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public string Text<T>(T enumValue) where T : Enum
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{
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Type type = enumValue.GetType();
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MemberInfo memInfo = type.GetMember(enumValue.ToString())[0];
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return Text(memInfo.GetCustomAttribute<LocalizeAttribute>()?.Key);
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}
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/// <inheritdoc />
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public void Dispose()
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{
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Session?.Dispose();
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}
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/// <summary>
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/// Get translation from database or any other source
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/// </summary>
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protected virtual ITranslation LoadTranslation(string key)
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{
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return Session.Query<ITranslation>().FirstOrDefault(x => x.Key == key);
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}
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}
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public interface ILocalizer : IDisposable
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{
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/// <summary>
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///
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/// </summary>
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string Text(string key);
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/// <summary>
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///
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/// </summary>
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string Text(string key, IDictionary<string, string> tokens);
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/// <summary>
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/// Get a text string from a [Localize] attribute
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/// </summary>
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public string Text<T>(T enumValue) where T : Enum;
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}
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}
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