JudahGabriel
48 lines
1.9 KiB
C#
48 lines
1.9 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using Raven.Client;
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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.Threading.Tasks;
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using Microsoft.AspNetCore.Mvc.Filters;
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namespace Sample.Web.NetCore.Controllers
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{
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/// <summary>
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/// Controller that saves changes on the RavenDB document session.
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/// </summary>
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public abstract class RavenController : Controller
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{
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protected RavenController(IAsyncDocumentSession dbSession)
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{
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DbSession = dbSession ?? throw new ArgumentNullException(nameof(dbSession));
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// RavenDB best practice: during save, wait for the indexes to update.
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// This way, Post-Redirect-Get scenarios are covered, not affected by stale indexes.
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// For more info, see https://ravendb.net/docs/article-page/3.5/Csharp/client-api/session/saving-changes
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DbSession.Advanced.WaitForIndexesAfterSaveChanges(timeout: TimeSpan.FromSeconds(30), throwOnTimeout: false);
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}
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/// <summary>
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/// Gets the RavenDB document session created for the current request.
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/// Changes will be saved automatically when the action finishes executing without error.
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/// </summary>
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public IAsyncDocumentSession DbSession { get; private set; }
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/// <summary>
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/// Executes the action. If no error occurred, any changes made in the RavenDB document session will be saved.
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/// </summary>
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/// <param name="context"></param>
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/// <param name="next"></param>
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/// <returns></returns>
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public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
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{
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var executedContext = await next.Invoke();
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if (executedContext.Exception == null)
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{
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await DbSession.SaveChangesAsync();
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}
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}
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}
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}
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