fix(user-importer): don't delete admins in the cleanup

src/Ombi.Schedule.Tests/PlexUserImporterTests.cs

@@ -32,6 +32,7 @@ namespace Ombi.Schedule.Tests
              new OmbiUser { Id = Guid.NewGuid().ToString("N"), UserName="abc", NormalizedUserName = "ABC", UserType = UserType.LocalUser},
              new OmbiUser { Id = Guid.NewGuid().ToString("N"), UserName="sys", NormalizedUserName = "SYS", UserType = UserType.SystemUser},
              new OmbiUser { Id = Guid.NewGuid().ToString("N"), UserName="plex", NormalizedUserName = "PLEX", UserType = UserType.PlexUser, ProviderUserId = "PLEX_ID", Email = "dupe"},
+             new OmbiUser { Id = Guid.NewGuid().ToString("N"), UserName="Admin", NormalizedUserName = "ADMIN", UserType = UserType.PlexUser, ProviderUserId = "ADMIN_ID", Email = "ADMIN@ADMIN.CO"},
         };
         private AutoMocker _mocker;
         private PlexUserImporter _subject;
@@ -368,9 +369,9 @@ namespace Ombi.Schedule.Tests
 
             _mocker.Verify<IUserDeletionEngine>(x => x.DeleteUser(It.Is<OmbiUser>(x => x.ProviderUserId == "PLEX_ID" && x.Email == "dupe" && x.UserName == "plex")), Times.Once);
         }
-        
+
         [Test]
-        public async Task Import_Cleanup_Missing_Plex_Admin()
+        public async Task Import_Cleanup_Missing_Plex_Admin_Dont_Delete()
         {
             _mocker.Setup<ISettingsService<UserManagementSettings>, Task<UserManagementSettings>>(x => x.GetSettingsAsync())
                 .ReturnsAsync(new UserManagementSettings
@@ -387,22 +388,25 @@ namespace Ombi.Schedule.Tests
             {
                 user = new User
                 {
-                    email = "diff_email",
-                    authentication_token = "user_token",
-                    title = "user_title",
-                    username = "diff_username",
-                    id = "diff_user_id",
+                    email = "ADMIN@ADMIN.CO",
+                    authentication_token = "Admin",
+                    title = "Admin",
+                    username = "Admin",
+                    id = "ADMIN_ID",
                 }
             });
 
+
             _mocker.Setup<OmbiUserManager, Task<IdentityResult>>(x => x.CreateAsync(It.Is<OmbiUser>(x => x.UserName == "diff_username" && x.Email == "diff_email" && x.ProviderUserId == "diff_user_id" && x.UserType == UserType.PlexUser)))
                 .ReturnsAsync(IdentityResult.Success);
             _mocker.Setup<OmbiUserManager, Task<IdentityResult>>(x => x.AddToRoleAsync(It.Is<OmbiUser>(x => x.UserName == "diff_username"), It.Is<string>(x => x == OmbiRoles.Admin)))
                 .ReturnsAsync(IdentityResult.Success);
 
+            _mocker.Setup<OmbiUserManager, Task<bool>>(x => x.IsInRoleAsync(It.Is<OmbiUser>(x => x.UserName == "Admin"), OmbiRoles.Admin)).ReturnsAsync(true);
+
             await _subject.Execute(null);
 
-            _mocker.Verify<IUserDeletionEngine>(x => x.DeleteUser(It.Is<OmbiUser>(x => x.ProviderUserId == "PLEX_ID" && x.Email == "dupe" && x.UserName == "plex")), Times.Once);
+            _mocker.Verify<IUserDeletionEngine>(x => x.DeleteUser(It.Is<OmbiUser>(x => x.ProviderUserId == "ADMIN_ID" && x.Email == "ADMIN@ADMIN.CO" && x.UserName == "Admin")), Times.Never);
         }
     }
 }

src/Ombi.Schedule/Jobs/Plex/PlexUserImporter.cs

@@ -84,8 +84,22 @@ namespace Ombi.Schedule.Jobs.Plex
                 // Refresh users from updates
                 allUsers = await _userManager.Users.Where(x => x.UserType == UserType.PlexUser)
                     .ToListAsync();
-                var missingUsers = allUsers
-                    .Where(x => !newOrUpdatedUsers.Contains(x));
+
+               var missingUsers = allUsers
+                    .Where(x => !newOrUpdatedUsers.Contains(x)).ToList();
+
+                // Don't delete any admins
+                for (int i = missingUsers.Count() - 1; i >= 0; i--)
+                {
+                    var isAdmin = await _userManager.IsInRoleAsync(missingUsers[i], OmbiRoles.Admin);
+                    if (!isAdmin)
+                    {
+                        continue;
+                    }
+
+                    missingUsers.RemoveAt(i);
+                }
+                
                 foreach (var ombiUser in missingUsers)
                 {
                     _log.LogInformation("Deleting user {0} not found in Plex Server.", ombiUser.UserName);