Fixed the issue of it showing as not requested when we find it in Radarr.

Made the tv shows match a bit more to the movie requests
Added the ability for plex and emby users to login
Improved the welcome email, will only show for users that have not logged in
Fixed discord notifications
the about screen now checks if there is an update ready
#1513

src/Ombi.Core/Authentication/OmbiUserManager.cs

@@ -0,0 +1,124 @@
+#region Copyright
+// /************************************************************************
+//    Copyright (c) 2017 Jamie Rees
+//    File: OmbiUserManager.cs
+//    Created By: Jamie Rees
+//   
+//    Permission is hereby granted, free of charge, to any person obtaining
+//    a copy of this software and associated documentation files (the
+//    "Software"), to deal in the Software without restriction, including
+//    without limitation the rights to use, copy, modify, merge, publish,
+//    distribute, sublicense, and/or sell copies of the Software, and to
+//    permit persons to whom the Software is furnished to do so, subject to
+//    the following conditions:
+//   
+//    The above copyright notice and this permission notice shall be
+//    included in all copies or substantial portions of the Software.
+//   
+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  ************************************************************************/
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Ombi.Api.Emby;
+using Ombi.Api.Plex;
+using Ombi.Api.Plex.Models;
+using Ombi.Core.Settings;
+using Ombi.Core.Settings.Models.External;
+using Ombi.Store.Entities;
+
+namespace Ombi.Core.Authentication
+{
+    public class OmbiUserManager : UserManager<OmbiUser>
+    {
+        public OmbiUserManager(IUserStore<OmbiUser> store, IOptions<IdentityOptions> optionsAccessor,
+            IPasswordHasher<OmbiUser> passwordHasher, IEnumerable<IUserValidator<OmbiUser>> userValidators,
+            IEnumerable<IPasswordValidator<OmbiUser>> passwordValidators, ILookupNormalizer keyNormalizer,
+            IdentityErrorDescriber errors, IServiceProvider services, ILogger<UserManager<OmbiUser>> logger, IPlexApi plexApi,
+            IEmbyApi embyApi, ISettingsService<EmbySettings> embySettings)
+            : base(store, optionsAccessor, passwordHasher, userValidators, passwordValidators, keyNormalizer, errors, services, logger)
+        {
+            _plexApi = plexApi;
+            _embyApi = embyApi;
+            _embySettings = embySettings;
+        }
+
+        private readonly IPlexApi _plexApi;
+        private readonly IEmbyApi _embyApi;
+        private readonly ISettingsService<EmbySettings> _embySettings;
+
+        public override async Task<bool> CheckPasswordAsync(OmbiUser user, string password)
+        {
+            if (user.UserType == UserType.LocalUser)
+            {
+                return await base.CheckPasswordAsync(user, password);
+            }
+            if (user.UserType == UserType.PlexUser)
+            {
+                return await CheckPlexPasswordAsync(user, password);
+            }
+            if (user.UserType == UserType.EmbyUser)
+            {
+                return await CheckEmbyPasswordAsync(user, password);
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Sign the user into plex and make sure we can get the authentication token.
+        /// <remarks>We do not check if the user is in the owners "friends" since they must have a local user account to get this far</remarks>
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="password"></param>
+        /// <returns></returns>
+        private async Task<bool> CheckPlexPasswordAsync(OmbiUser user, string password)
+        {
+            var result = await _plexApi.SignIn(new UserRequest { password = password, login = user.UserName });
+            if (result.user?.authentication_token != null)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Sign the user into Emby
+        /// <remarks>We do not check if the user is in the owners "friends" since they must have a local user account to get this far.
+        /// We also have to try and authenticate them with every server, the first server that work we just say it was a success</remarks>
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="password"></param>
+        /// <returns></returns>
+        private async Task<bool> CheckEmbyPasswordAsync(OmbiUser user, string password)
+        {
+            var embySettings = await _embySettings.GetSettingsAsync();
+            foreach (var server in embySettings.Servers)
+            {
+                try
+                {
+                    var result = await _embyApi.LogIn(user.UserName, password, server.ApiKey, server.FullUri);
+                    if (result != null)
+                    {
+                        return true;
+                    }
+                }
+                catch (Exception e)
+                {
+                    Logger.LogError(e, "Emby Login Failed");
+                }
+            }
+            return false;
+        }
+    }
+}