IdentityServer 4实体框架配置DbContext Client.AllowedScopes和其他非客户端表属性为Null

如何解决IdentityServer 4实体框架配置DbContext Client.AllowedScopes和其他非客户端表属性为Null

.NET Core Startup.cs文件中有一个数据库初始化方法，该方法在MySql数据库上进行Entity Framework数据库初始化，并将客户端，身份资源和API资源从配置文件（C＃代码）加载到数据库中。插入新客户端和更新Clients表（例如“ description”）中的客户端属性的工作一样好。我遇到的问题是位于其他与客户相关的表中的数据（如ClientScopes或ClientGrantTypes）不会返回并填充在IdentityServer4.EntityFramework.Entities.Client对象中，所以我可以t将我的配置与代码中的数据库进行比较，以便添加或删除源控制的配置文件中已更改的所有属性。

private void InitializeDatabase(IApplicationBuilder app)
{
    using IServiceScope serviceScope = app.ApplicationServices.GetService<IServiceScopeFactory>().CreateScope();
    ConfigurationDbContext context = serviceScope.ServiceProvider.GetRequiredService<ConfigurationDbContext>();
    context.Database.Migrate();
    foreach (IdentityServer4.Models.Client client in Config.GetClients())
    {
        Client contextClient = context.Clients.FirstOrDefault(p => p.ClientId == client.ClientId);
        if (contextClient == null)
        {
            context.Clients.Add(client.ToEntity());
        }
        else // for simplicity,leaving out any "else if" checks
        {
            Client entity = client.ToEntity();
            contextClient.Description = entity.Description;

            // Get client scopes that were removed from the client configuration and that are in the database
            // Exception (NullReferenceException) thrown because contextClient.AllowedScopes is NULL even though there are values in IdentityDb.ClientScopes,so the following two commands don't function as expected.
            var scopesToBeRemoveFromDb = contextClient.AllowedScopes.Where(p => !entity.AllowedScopes.Exists(x => x.Scope == p.Scope));
            ...
        }
        ...
    }
    ...
}

我是否还缺少确保context.Clients调用将这些附加表的数据也带回来的东西？

解决方法

您需要使用.include（）加载相关数据。

https://docs.microsoft.com/en-us/ef/core/querying/related-data