/// <summary>
/// Job that will sync groups.
///
/// Called by the <see cref="IScheduler" /> when a
/// <see cref="ITrigger" /> fires that is associated with
/// the <see cref="IJob" />.
/// </summary>
public virtual void Execute(IJobExecutionContext context)
{
// Get the job setting(s)
JobDataMap dataMap = context.JobDetail.JobDataMap;
bool requirePasswordReset = dataMap.GetBoolean("RequirePasswordReset");
var commandTimeout = dataMap.GetString("CommandTimeout").AsIntegerOrNull() ?? 180;
// Counters for displaying results
int groupsSynced = 0;
int groupsChanged = 0;
string groupName = string.Empty;
string dataViewName = string.Empty;
var errors = new List <string>();
try
{
// get groups set to sync
var activeSyncIds = new List <int>();
using (var rockContext = new RockContext())
{
// Get groups that are not archived and are still active.
activeSyncIds = new GroupSyncService(rockContext)
.Queryable().AsNoTracking()
.Where(x => !x.Group.IsArchived && x.Group.IsActive)
.Select(x => x.Id)
.ToList();
}
foreach (var syncId in activeSyncIds)
{
bool hasSyncChanged = false;
// Use a fresh rockContext per sync so that ChangeTracker doesn't get bogged down
using (var rockContext = new RockContext())
{
// increase the timeout just in case the data view source is slow
rockContext.Database.CommandTimeout = commandTimeout;
rockContext.SourceOfChange = "Group Sync";
// Get the Sync
var sync = new GroupSyncService(rockContext)
.Queryable().AsNoTracking()
.FirstOrDefault(s => s.Id == syncId);
// Ensure that the group's Sync Data View is a person data view
if (sync != null && sync.SyncDataView.EntityTypeId == EntityTypeCache.Get(typeof(Person)).Id)
{
List <string> syncErrors = new List <string>();
dataViewName = sync.SyncDataView.Name;
groupName = sync.Group.Name;
// Get the person id's from the data view (source)
var personService = new PersonService(rockContext);
var sourcePersonIds = sync.SyncDataView.GetQuery(null, rockContext, commandTimeout, out syncErrors)
.Select(q => q.Id).ToList();
// If any error occurred trying get the 'where expression' from the sync-data-view,
// just skip trying to sync that particular group's Sync Data View for now.
if (syncErrors.Count > 0)
{
errors.AddRange(syncErrors);
ExceptionLogService.LogException(new Exception(string.Format("An error occurred while trying to GroupSync group '{0}' and data view '{1}' so the sync was skipped. Error: {2}", groupName, dataViewName, String.Join(",", syncErrors))));
continue;
}
// Get the person id's in the group (target) for the role being synced.
// Note: targetPersonIds must include archived group members
// so we don't try to delete anyone who's already archived, and
// it must include deceased members so we can remove them if they
// are no longer in the data view.
var targetPersonIds = new GroupMemberService(rockContext)
.Queryable(true, true).AsNoTracking()
.Where(gm => gm.GroupId == sync.GroupId)
.Where(gm => gm.GroupRoleId == sync.GroupTypeRoleId)
.Select(gm => new {
PersonId = gm.PersonId,
IsArchived = gm.IsArchived
})
.ToList();
// Delete people from the group/role that are no longer in the data view --
// but not the ones that are already archived.
foreach (var targetPerson in targetPersonIds.Where(t => !sourcePersonIds.Contains(t.PersonId) && t.IsArchived != true))
{
try
{
// Use a new context to limit the amount of change-tracking required
using (var groupMemberContext = new RockContext())
{
// Delete the records for that person's group and role
var groupMemberService = new GroupMemberService(groupMemberContext);
foreach (var groupMember in groupMemberService
.Queryable(true, true)
.Where(m =>
m.GroupId == sync.GroupId &&
m.GroupRoleId == sync.GroupTypeRoleId &&
m.PersonId == targetPerson.PersonId)
.ToList())
{
groupMemberService.Delete(groupMember);
}
groupMemberContext.SaveChanges();
// If the Group has an exit email, and person has an email address, send them the exit email
if (sync.ExitSystemEmail != null)
{
var person = new PersonService(groupMemberContext).Get(targetPerson.PersonId);
if (person.Email.IsNotNullOrWhiteSpace())
{
// Send the exit email
var mergeFields = new Dictionary <string, object>();
mergeFields.Add("Group", sync.Group);
mergeFields.Add("Person", person);
var emailMessage = new RockEmailMessage(sync.ExitSystemEmail);
emailMessage.AddRecipient(new RecipientData(person.Email, mergeFields));
var emailErrors = new List <string>();
emailMessage.Send(out emailErrors);
errors.AddRange(emailErrors);
}
}
}
}
catch (Exception ex)
{
ExceptionLogService.LogException(ex);
continue;
}
hasSyncChanged = true;
}
// Now find all the people in the source list who are NOT already in the target list
// or in the target list as archived (so we can restore them).
foreach (var personId in sourcePersonIds.Where(s => !targetPersonIds.Any(t => t.PersonId == s) ||
targetPersonIds.Any(t => t.PersonId == s && t.IsArchived)))
{
try
{
// Use a new context to limit the amount of change-tracking required
using (var groupMemberContext = new RockContext())
{
var groupMemberService = new GroupMemberService(groupMemberContext);
// If this person is currently archived...
if (targetPersonIds.Any(t => t.PersonId == personId && t.IsArchived == true))
{
// ...then we'll just restore them;
// NOTE: AddOrRestoreGroupMember will find the exact group member record and
// sets their IsArchived back to false.
var newGroupMember = groupMemberService.AddOrRestoreGroupMember(sync.Group, personId, sync.GroupTypeRoleId);
newGroupMember.GroupMemberStatus = GroupMemberStatus.Active;
groupMemberContext.SaveChanges();
}
else
{
// ...otherwise we will add a new person to the group with the role specified in the sync.
var newGroupMember = new GroupMember {
Id = 0
};
newGroupMember.PersonId = personId;
newGroupMember.GroupId = sync.GroupId;
newGroupMember.GroupMemberStatus = GroupMemberStatus.Active;
newGroupMember.GroupRoleId = sync.GroupTypeRoleId;
if (newGroupMember.IsValidGroupMember(groupMemberContext))
{
groupMemberService.Add(newGroupMember);
groupMemberContext.SaveChanges();
}
else
{
// Validation errors will get added to the ValidationResults collection. Add those results to the log and then move on to the next person.
var ex = new GroupMemberValidationException(string.Join(",", newGroupMember.ValidationResults.Select(r => r.ErrorMessage).ToArray()));
ExceptionLogService.LogException(ex);
continue;
}
}
// If the Group has a welcome email, and person has an email address, send them the welcome email and possibly create a login
if (sync.WelcomeSystemEmail != null)
{
var person = new PersonService(groupMemberContext).Get(personId);
if (person.Email.IsNotNullOrWhiteSpace())
{
// If the group is configured to add a user account for anyone added to the group, and person does not yet have an
// account, add one for them.
string newPassword = string.Empty;
bool createLogin = sync.AddUserAccountsDuringSync;
// Only create a login if requested, no logins exist and we have enough information to generate a user name.
if (createLogin && !person.Users.Any() && !string.IsNullOrWhiteSpace(person.NickName) && !string.IsNullOrWhiteSpace(person.LastName))
{
newPassword = System.Web.Security.Membership.GeneratePassword(9, 1);
string username = Rock.Security.Authentication.Database.GenerateUsername(person.NickName, person.LastName);
UserLogin login = UserLoginService.Create(
groupMemberContext,
person,
AuthenticationServiceType.Internal,
EntityTypeCache.Get(Rock.SystemGuid.EntityType.AUTHENTICATION_DATABASE.AsGuid()).Id,
username,
newPassword,
true,
requirePasswordReset);
}
// Send the welcome email
var mergeFields = new Dictionary <string, object>();
mergeFields.Add("Group", sync.Group);
mergeFields.Add("Person", person);
mergeFields.Add("NewPassword", newPassword);
mergeFields.Add("CreateLogin", createLogin);
var emailMessage = new RockEmailMessage(sync.WelcomeSystemEmail);
emailMessage.AddRecipient(new RecipientData(person.Email, mergeFields));
var emailErrors = new List <string>();
emailMessage.Send(out emailErrors);
errors.AddRange(emailErrors);
}
}
}
}
catch (Exception ex)
{
ExceptionLogService.LogException(ex);
continue;
}
hasSyncChanged = true;
}
// Increment Groups Changed Counter (if people were deleted or added to the group)
if (hasSyncChanged)
{
groupsChanged++;
}
// Increment the Groups Synced Counter
groupsSynced++;
}
}
}
// Format the result message
var resultMessage = string.Empty;
if (groupsSynced == 0)
{
resultMessage = "No groups to sync";
}
else if (groupsSynced == 1)
{
resultMessage = "1 group was synced";
}
else
{
resultMessage = string.Format("{0} groups were synced", groupsSynced);
}
resultMessage += string.Format(" and {0} groups were changed", groupsChanged);
if (errors.Any())
{
StringBuilder sb = new StringBuilder();
sb.AppendLine();
sb.Append("Errors: ");
errors.ForEach(e => { sb.AppendLine(); sb.Append(e); });
string errorMessage = sb.ToString();
resultMessage += errorMessage;
throw new Exception(errorMessage);
}
context.Result = resultMessage;
}
catch (System.Exception ex)
{
HttpContext context2 = HttpContext.Current;
ExceptionLogService.LogException(ex, context2);
throw;
}
}