user list cleanup

src/cli/Commands/UserListCleanUp.cs

@@ -0,0 +1,71 @@
+using cli.Model;
+using Microsoft.AspNet.Hosting;
+using Microsoft.Extensions.CommandLineUtils;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using cli.Services;
+using Yavsc.Server.Settings;
+using Yavsc.Models;
+using Microsoft.AspNet.Identity;
+using System.Linq;
+using System;
+
+namespace cli.Commands
+{
+    public class UserListCleanUp : ICommander
+    {
+        public CommandLineApplication Integrate(CommandLineApplication rootApp)
+        {
+            CommandOption sendHelpOption = null;
+            CommandLineApplication userCleanupCommandApp
+               = rootApp.Command("user-cleanup",
+                   (target) =>
+                   {
+                       target.FullName = "Remove invalid users";
+                       target.Description = "Remove who didn't confirmed their e-mail in 14 days";
+                       sendHelpOption = target.HelpOption("-? | -h | --help");
+                   }, false);
+
+            userCleanupCommandApp.OnExecute(async () =>
+            {
+                bool showhelp = sendHelpOption.HasValue();
+
+                if (!showhelp)
+                {
+                    var host = new WebHostBuilder();
+
+                    var hostengnine = host.UseEnvironment(Program.HostingEnvironment.EnvironmentName)
+                        .UseServer("cli")
+                        .UseStartup<Startup>()
+                        .Build();
+                    var app = hostengnine.Start();
+
+                    var mailer = app.Services.GetService<EMailer>();
+                    var loggerFactory = app.Services.GetService<ILoggerFactory>();
+                    var logger = loggerFactory.CreateLogger<Program>();
+                    var userManager = app.Services.GetService<UserManager<ApplicationUser>>();
+                    ApplicationDbContext dbContext = app.Services.GetService<ApplicationDbContext>();
+                    Func<ApplicationUser, bool> criteria = UserPolicies.Criterias["user-to-remove"];
+
+                    logger.LogInformation("Starting emailling");
+                    mailer.SendEmailFromCriteria("user-to-remove");
+                    foreach (ApplicationUser user in dbContext.ApplicationUser.Where(
+                            u => criteria(u)
+                        ))
+                    {
+                        dbContext.DeviceDeclaration.RemoveRange(dbContext.DeviceDeclaration.Where(g => g.DeviceOwnerId == user.Id));
+                        await userManager.DeleteAsync(user);
+                    }
+                    logger.LogInformation("Finished user cleanup");
+                }
+                else
+                {
+                    userCleanupCommandApp.ShowHelp();
+                    return 1;
+                }
+                return 0;
+            });
+            return userCleanupCommandApp;
+        }
+    }
+}