Rock.Model.GroupService.AddNewGroupAddress C# (CSharp) Method

        public static void AddNewGroupAddress( RockContext rockContext, Group group, string locationTypeGuid,
            Location location, bool moveExistingToPrevious = false )
        {
            if ( location != null )
            {
                var groupType = GroupTypeCache.Read( group.GroupTypeId );
                if ( groupType != null )
                {
                    var locationType = groupType.LocationTypeValues.FirstOrDefault( l => l.Guid.Equals( locationTypeGuid.AsGuid() ) );
                    if ( locationType != null )
                    {
                        var groupLocationService = new GroupLocationService( rockContext );
                        if ( !groupLocationService.Queryable()
                            .Where( gl =>
                                gl.GroupId == group.Id &&
                                gl.GroupLocationTypeValueId == locationType.Id &&
                                gl.LocationId == location.Id )
                            .Any() )
                        {
                            var familyChanges = new List<string>();

                            if ( moveExistingToPrevious )
                            {
                                var prevLocationType = groupType.LocationTypeValues.FirstOrDefault( l => l.Guid.Equals( Rock.SystemGuid.DefinedValue.GROUP_LOCATION_TYPE_PREVIOUS.AsGuid() ) );
                                if ( prevLocationType != null )
                                {
                                    foreach ( var prevLoc in groupLocationService.Queryable( "Location,GroupLocationTypeValue" )
                                        .Where( gl =>
                                            gl.GroupId == group.Id &&
                                            gl.GroupLocationTypeValueId == locationType.Id ) )
                                    {
                                        History.EvaluateChange( familyChanges, prevLoc.Location.ToString(), prevLoc.GroupLocationTypeValue.Value, prevLocationType.Value );
                                        prevLoc.GroupLocationTypeValueId = prevLocationType.Id;
                                        prevLoc.IsMailingLocation = false;
                                        prevLoc.IsMappedLocation = false;
                                    }
                                }
                            }

                            string addressChangeField = locationType.Value;

                            var groupLocation = groupLocationService.Queryable()
                                .Where( gl =>
                                    gl.GroupId == group.Id &&
                                    gl.LocationId == location.Id )
                                .FirstOrDefault();
                            if ( groupLocation == null )
                            {
                                groupLocation = new GroupLocation();
                                groupLocation.Location = location;
                                groupLocation.IsMailingLocation = true;
                                groupLocation.IsMappedLocation = true;
                                group.GroupLocations.Add( groupLocation );
                            }
                            groupLocation.GroupLocationTypeValueId = locationType.Id;

                            History.EvaluateChange( familyChanges, addressChangeField, string.Empty, groupLocation.Location.ToString() );
                            History.EvaluateChange( familyChanges, addressChangeField + " Is Mailing", string.Empty, groupLocation.IsMailingLocation.ToString() );
                            History.EvaluateChange( familyChanges, addressChangeField + " Is Map Location", string.Empty, groupLocation.IsMappedLocation.ToString() );

                            rockContext.SaveChanges();

                            if ( groupType.Guid.Equals( Rock.SystemGuid.GroupType.GROUPTYPE_FAMILY.AsGuid() ) )
                            {
                                foreach ( var fm in group.Members )
                                {
                                    HistoryService.SaveChanges( rockContext, typeof( Person ), Rock.SystemGuid.Category.HISTORY_PERSON_FAMILY_CHANGES.AsGuid(),
                                        fm.PersonId, familyChanges, group.Name, typeof( Group ), group.Id );
                                }
                            }
                        }
                    }
                }
            }
        }