100 lines
3.2 KiB
C#
100 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using ASC.Common;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Options;
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namespace ASC.Core.Common.EF
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{
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public class BaseDbContextManager<T> : OptionsManager<T>, IDisposable where T : class, IDisposable, IAsyncDisposable, new()
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{
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private Dictionary<string, T> Pairs { get; set; }
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private MigrationHistory MigrationHistory { get; set; }
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private List<T> AsyncList { get; set; }
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private IOptionsFactory<T> Factory { get; }
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private IConfiguration Configuration { get; }
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public BaseDbContextManager(IOptionsFactory<T> factory, IConfiguration configuration,
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MigrationHistory migrationHistory) : base(factory)
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{
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Pairs = new Dictionary<string, T>();
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AsyncList = new List<T>();
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Factory = factory;
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Configuration = configuration;
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MigrationHistory = migrationHistory;
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}
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public override T Get(string name)
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{
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if (!Pairs.ContainsKey(name))
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{
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var t = base.Get(name);
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Pairs.Add(name, t);
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if (t is BaseDbContext dbContext)
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{
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if (Configuration["migration:enabled"] == "true"
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&& MigrationHistory.TryAddMigratedContext(t.GetType()))
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{
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dbContext.Migrate();
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}
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}
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}
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return Pairs[name];
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}
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public T GetNew(string name = "default")
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{
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var result = Factory.Create(name);
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AsyncList.Add(result);
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return result;
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}
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public void Dispose()
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{
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foreach (var v in Pairs)
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{
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v.Value.Dispose();
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}
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foreach (var v in AsyncList)
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{
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v.Dispose();
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}
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}
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}
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[Scope(typeof(ConfigureDbContext<>))]
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public class DbContextManager<T> : BaseDbContextManager<T> where T : BaseDbContext, new()
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{
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public DbContextManager(IOptionsFactory<T> factory, IConfiguration configuration,
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MigrationHistory migrationHistory) : base(factory, configuration, migrationHistory)
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{
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}
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}
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public class MultiRegionalDbContextManager<T> : BaseDbContextManager<MultiRegionalDbContext<T>> where T : BaseDbContext, new()
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{
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public MultiRegionalDbContextManager(IOptionsFactory<MultiRegionalDbContext<T>> factory, IConfiguration configuration,
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MigrationHistory migrationHistory) : base(factory, configuration, migrationHistory)
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{
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}
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}
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public static class DbContextManagerExtension
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{
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public static DIHelper AddDbContextManagerService<T>(this DIHelper services) where T : BaseDbContext, new()
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{
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//TODO
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//services.TryAddScoped<MultiRegionalDbContextManager<T>>();
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//services.TryAddScoped<IConfigureOptions<MultiRegionalDbContext<T>>, ConfigureMultiRegionalDbContext<T>>();
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return services;
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}
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}
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}
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