/// <summary>
/// Gets the regional group attendances.
/// </summary>
/// <param name="parentGroupGuid">The parent group unique identifier.</param>
/// <param name="startDate">The start date.</param>
/// <param name="endDate">The end date.</param>
/// <returns>The regional group attendances.</returns>
private IList <RegionalGroupAttendance> GetRegionalGroupAttendances(Guid parentGroupGuid, DateTime startDate, DateTime endDate)
{
// Get the parent group.
Group parentGroup = _groupService.GetNoTracking(parentGroupGuid);
if (parentGroup == null)
{
_errors.Add("Unable to retrieve the selected parent group.");
return(null);
}
// Get the regional groups under the parent group.
var regionalGroups = _groupService.Queryable()
.AsNoTracking()
.Where(g => g.ParentGroupId == parentGroup.Id && g.IsActive == true)
.ToList();
if (!regionalGroups.Any())
{
_warnings.Add($"No regional groups found under the '{parentGroup.Name}' parent group.");
return(null);
}
var regionalGroupAttendances = new List <RegionalGroupAttendance>();
foreach (var regionalGroup in regionalGroups)
{
var leaders = _groupMemberService.GetLeadersWithActiveEmails(regionalGroup.Id)
.AsNoTracking()
.ToList();
if (!leaders.Any())
{
_warnings.Add($"No leaders with active email addresses found for the '{regionalGroup.Name}' regional group.");
continue;
}
var regionalGroupAttendance = new RegionalGroupAttendance
{
Group = regionalGroup,
Leaders = leaders.Select(l => l.Person).ToList(),
GroupAttendances = GetChildrenGroupAttendances(regionalGroup, startDate, endDate)
};
// Only add this regional group if it has child group attendances to report.
if (regionalGroupAttendance.GroupAttendances?.Any() == true)
{
regionalGroupAttendances.Add(regionalGroupAttendance);
}
}
return(regionalGroupAttendances);
}