DocSpace-client/common/services/ASC.Data.Backup/Core/NotifyHelper.cs

/*
 *
 * (c) Copyright Ascensio System Limited 2010-2020
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*/


using System;
using System.Linq;

using ASC.Common;
using ASC.Core;
using ASC.Core.Tenants;
using ASC.Core.Users;
using ASC.Notify.Model;
using ASC.Notify.Patterns;
using ASC.Notify.Recipients;
using ASC.Web.Core.Users;
using ASC.Web.Studio.Core.Notify;
using ASC.Web.Studio.Utility;

using Microsoft.Extensions.DependencyInjection;

namespace ASC.Data.Backup
{
    public class NotifyHelper
    {
        private IServiceProvider ServiceProvider { get; }

        public NotifyHelper(IServiceProvider serviceProvider)
        {
            ServiceProvider = serviceProvider;
        }

        public void SendAboutTransferStart(Tenant tenant, string targetRegion, bool notifyUsers)
        {
            MigrationNotify(tenant, Actions.MigrationPortalStart, targetRegion, string.Empty, notifyUsers);
        }

        public void SendAboutTransferComplete(Tenant tenant, string targetRegion, string targetAddress, bool notifyOnlyOwner)
        {
            MigrationNotify(tenant, Actions.MigrationPortalSuccess, targetRegion, targetAddress, !notifyOnlyOwner);
        }

        public void SendAboutTransferError(Tenant tenant, string targetRegion, string resultAddress, bool notifyOnlyOwner)
        {
            MigrationNotify(tenant, !string.IsNullOrEmpty(targetRegion) ? Actions.MigrationPortalError : Actions.MigrationPortalServerFailure, targetRegion, resultAddress, !notifyOnlyOwner);
        }

        public void SendAboutBackupCompleted(Guid userId)
        {
            using var scope = ServiceProvider.CreateScope();
            var scopeClass = scope.ServiceProvider.GetService<NotifyHelperScope>();
            var (userManager, studioNotifyHelper, studioNotifySource, displayUserSettingsHelper) = scopeClass;
            var client = WorkContext.NotifyContext.NotifyService.RegisterClient(studioNotifySource, scope);

            client.SendNoticeToAsync(
                Actions.BackupCreated,
                new[] { studioNotifyHelper.ToRecipient(userId) },
                new[] { StudioNotifyService.EMailSenderName },
                new TagValue(Tags.OwnerName, userManager.GetUsers(userId).DisplayUserName(displayUserSettingsHelper)));
        }

        public void SendAboutRestoreStarted(Tenant tenant, bool notifyAllUsers)
        {
            using var scope = ServiceProvider.CreateScope();
            var scopeClass = scope.ServiceProvider.GetService<NotifyHelperScope>();
            (var userManager, var studioNotifyHelper, var studioNotifySource, var displayUserSettingsHelper) = scopeClass;
            var client = WorkContext.NotifyContext.NotifyService.RegisterClient(studioNotifySource, scope);

            var owner = userManager.GetUsers(tenant.OwnerId);
            var users =
                notifyAllUsers
                    ? studioNotifyHelper.RecipientFromEmail(userManager.GetUsers(EmployeeStatus.Active).Where(r => r.ActivationStatus == EmployeeActivationStatus.Activated).Select(u => u.Email).ToList(), false)
                    : owner.ActivationStatus == EmployeeActivationStatus.Activated ? studioNotifyHelper.RecipientFromEmail(owner.Email, false) : new IDirectRecipient[0];

            client.SendNoticeToAsync(
                Actions.RestoreStarted,
                users,
                new[] { StudioNotifyService.EMailSenderName });
        }

        public void SendAboutRestoreCompleted(Tenant tenant, bool notifyAllUsers)
        {
            using var scope = ServiceProvider.CreateScope();
            var scopeClass = scope.ServiceProvider.GetService<NotifyHelperScope>();
            var (userManager, studioNotifyHelper, studioNotifySource, displayUserSettingsHelper) = scopeClass;
            var client = WorkContext.NotifyContext.NotifyService.RegisterClient(studioNotifySource, scope);

            var owner = userManager.GetUsers(tenant.OwnerId);

            var users =
                notifyAllUsers
                    ? userManager.GetUsers(EmployeeStatus.Active).Select(u => studioNotifyHelper.ToRecipient(u.ID)).ToArray()
                    : new[] { studioNotifyHelper.ToRecipient(owner.ID) };

            client.SendNoticeToAsync(
                Actions.RestoreCompleted,
                users,
                new[] { StudioNotifyService.EMailSenderName },
                new TagValue(Tags.OwnerName, owner.DisplayUserName(displayUserSettingsHelper)));
        }

        private void MigrationNotify(Tenant tenant, INotifyAction action, string region, string url, bool notify)
        {
            using var scope = ServiceProvider.CreateScope();
            var scopeClass = scope.ServiceProvider.GetService<NotifyHelperScope>();
            var (userManager, studioNotifyHelper, studioNotifySource, _) = scopeClass;
            var client = WorkContext.NotifyContext.NotifyService.RegisterClient(studioNotifySource, scope);

            var users = userManager.GetUsers()
                .Where(u => notify ? u.ActivationStatus.HasFlag(EmployeeActivationStatus.Activated) : u.IsOwner(tenant))
                .Select(u => studioNotifyHelper.ToRecipient(u.ID))
                .ToArray();

            if (users.Any())
            {
                client.SendNoticeToAsync(
                    action,
                    users,
                    new[] { StudioNotifyService.EMailSenderName },
                    new TagValue(Tags.RegionName, TransferResourceHelper.GetRegionDescription(region)),
                    new TagValue(Tags.PortalUrl, url));
            }
        }
    }

    public class NotifyHelperScope
    {
        private UserManager UserManager { get; }
        private StudioNotifyHelper StudioNotifyHelper { get; }
        private StudioNotifySource StudioNotifySource { get; }
        private DisplayUserSettingsHelper DisplayUserSettingsHelper { get; }

        public NotifyHelperScope(UserManager userManager, StudioNotifyHelper studioNotifyHelper, StudioNotifySource studioNotifySource, DisplayUserSettingsHelper displayUserSettingsHelper)
        {
            UserManager = userManager;
            StudioNotifyHelper = studioNotifyHelper;
            StudioNotifySource = studioNotifySource;
            DisplayUserSettingsHelper = displayUserSettingsHelper;
        }

        public void Deconstruct(out UserManager userManager, out StudioNotifyHelper studioNotifyHelper, out StudioNotifySource studioNotifySource, out DisplayUserSettingsHelper displayUserSettingsHelper)
        {
            userManager = UserManager;
            studioNotifyHelper = StudioNotifyHelper;
            studioNotifySource = StudioNotifySource;
            displayUserSettingsHelper = DisplayUserSettingsHelper;
        }
    }

    public static class NotifyHelperExtension
    {
        public static DIHelper AddNotifyHelperService(this DIHelper services)
        {
            services.TryAddSingleton<NotifyHelper>();
            services.TryAddScoped<NotifyHelperScope>();

            return services
                .AddNotifyConfiguration()
                .AddStudioNotifySourceService()
                .AddUserManagerService()
                .AddStudioNotifyHelperService()
                .AddDisplayUserSettingsService();
        }
    }
}