/// <summary>
        /// Execute method to write transaction to the database.
        /// </summary>
        public void Execute()
        {
            using ( var rockContext = new RockContext() )
            {
                var docTypeService = new SignatureDocumentTemplateService( rockContext );
                var docService = new SignatureDocumentService( rockContext );

                var document = docService.Get( SignatureDocumentId );
                if ( document != null )
                {
                    var status = document.Status;
                    int? binaryFileId = document.BinaryFileId;
                    string folderPath = System.Web.Hosting.HostingEnvironment.MapPath( "~/App_Data/Cache/SignNow" );
                    var updateErrorMessages = new List<string>();

                    if ( docTypeService.UpdateDocumentStatus( document, folderPath, out updateErrorMessages ) )
                    {
                        if ( status != document.Status || !binaryFileId.Equals( document.BinaryFileId ) )
                        {
                            rockContext.SaveChanges();
                        }
                    }
                }
            }
        }
        /// <summary>
        /// Handles the Click event of the btnSaveType control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        protected void btnSave_Click( object sender, EventArgs e )
        {
            bool inviteCancelled = false;

            var rockContext = new RockContext();

            int? documentTemplateId = ddlDocumentType.SelectedValueAsInt();
            if ( !documentTemplateId.HasValue )
            {
                nbErrorMessage.Title = string.Empty;
                nbErrorMessage.Text = "Document Template is Required!";
                nbErrorMessage.NotificationBoxType = NotificationBoxType.Danger;
                nbErrorMessage.Visible = true;
                return;
            }

            SignatureDocument signatureDocument = null;
            SignatureDocumentService service = new SignatureDocumentService( rockContext );

            int signatureDocumentId = hfSignatureDocumentId.ValueAsInt();

            int? origBinaryFileId = null;

            if ( signatureDocumentId != 0 )
            {
                signatureDocument = service.Get( signatureDocumentId );
            }

            if ( signatureDocument == null )
            {
                signatureDocument = new SignatureDocument();
                service.Add( signatureDocument );
            }

            signatureDocument.Name = tbName.Text;

            var newStatus = rbStatus.SelectedValueAsEnum<SignatureDocumentStatus>( SignatureDocumentStatus.None );
            if ( signatureDocument.Status != newStatus )
            {
                signatureDocument.Status = newStatus;
                signatureDocument.LastStatusDate = RockDateTime.Now;
                inviteCancelled = newStatus == SignatureDocumentStatus.Cancelled;
            }

            signatureDocument.AppliesToPersonAliasId = ppAppliesTo.PersonAliasId;
            signatureDocument.AssignedToPersonAliasId = ppAssignedTo.PersonAliasId;
            signatureDocument.SignedByPersonAliasId = ppSignedBy.PersonAliasId;

            signatureDocument.SignatureDocumentTemplateId = documentTemplateId.Value;

            origBinaryFileId = signatureDocument.BinaryFileId;
            signatureDocument.BinaryFileId = fuDocument.BinaryFileId;

            if ( !signatureDocument.IsValid )
            {
                // Controls will render the error messages
                return;
            }

            BinaryFileService binaryFileService = new BinaryFileService( rockContext );
            if ( origBinaryFileId.HasValue && origBinaryFileId.Value != signatureDocument.BinaryFileId )
            {
                // if a new the binaryFile was uploaded, mark the old one as Temporary so that it gets cleaned up
                var oldBinaryFile = binaryFileService.Get( origBinaryFileId.Value );
                if ( oldBinaryFile != null && !oldBinaryFile.IsTemporary )
                {
                    oldBinaryFile.IsTemporary = true;
                }
            }

            // ensure the IsTemporary is set to false on binaryFile associated with this document
            if ( signatureDocument.BinaryFileId.HasValue )
            {
                var binaryFile = binaryFileService.Get( signatureDocument.BinaryFileId.Value );
                if ( binaryFile != null && binaryFile.IsTemporary )
                {
                    binaryFile.IsTemporary = false;
                }
            }

            rockContext.SaveChanges();

            if ( inviteCancelled && !string.IsNullOrWhiteSpace( signatureDocument.DocumentKey ) )
            {
                var errorMessages = new List<string>();
                if ( new SignatureDocumentTemplateService( rockContext ).CancelDocument( signatureDocument, out errorMessages ) )
                {
                    rockContext.SaveChanges();
                }
            }

            ReturnToParent();
        }
        /// <summary>
        /// Handles the Click event of the btnSave control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        protected void btnSave_Click( object sender, EventArgs e )
        {
            if ( RegistrantState != null )
            {
                RockContext rockContext = new RockContext();
                var personService = new PersonService( rockContext );
                var registrantService = new RegistrationRegistrantService( rockContext );
                var registrantFeeService = new RegistrationRegistrantFeeService( rockContext );
                var registrationTemplateFeeService = new RegistrationTemplateFeeService( rockContext );
                RegistrationRegistrant registrant = null;
                if ( RegistrantState.Id > 0 )
                {
                    registrant = registrantService.Get( RegistrantState.Id );
                }

                bool newRegistrant = false;
                var registrantChanges = new List<string>();

                if ( registrant == null )
                {
                    newRegistrant = true;
                    registrant = new RegistrationRegistrant();
                    registrant.RegistrationId = RegistrantState.RegistrationId;
                    registrantService.Add( registrant );
                    registrantChanges.Add( "Created Registrant" );
                }

                if ( !registrant.PersonAliasId.Equals( ppPerson.PersonAliasId ) )
                {
                    string prevPerson = ( registrant.PersonAlias != null && registrant.PersonAlias.Person != null ) ?
                        registrant.PersonAlias.Person.FullName : string.Empty;
                    string newPerson = ppPerson.PersonName;
                    History.EvaluateChange( registrantChanges, "Person", prevPerson, newPerson );
                }
                int? personId = ppPerson.PersonId.Value;
                registrant.PersonAliasId = ppPerson.PersonAliasId.Value;

                // Get the name of registrant for history
                string registrantName = "Unknown";
                if ( ppPerson.PersonId.HasValue )
                {
                    var person = personService.Get( ppPerson.PersonId.Value );
                    if ( person != null )
                    {
                        registrantName = person.FullName;
                    }
                }

                // set their status (wait list / registrant)
                registrant.OnWaitList = !tglWaitList.Checked;

                History.EvaluateChange( registrantChanges, "Cost", registrant.Cost, cbCost.Text.AsDecimal() );
                registrant.Cost = cbCost.Text.AsDecimal();

                History.EvaluateChange( registrantChanges, "Discount Applies", registrant.DiscountApplies, cbDiscountApplies.Checked );
                registrant.DiscountApplies = cbDiscountApplies.Checked;

                if ( !Page.IsValid )
                {
                    return;
                }

                // Remove/delete any registrant fees that are no longer in UI with quantity
                foreach ( var dbFee in registrant.Fees.ToList() )
                {
                    if ( !RegistrantState.FeeValues.Keys.Contains( dbFee.RegistrationTemplateFeeId ) ||
                        RegistrantState.FeeValues[dbFee.RegistrationTemplateFeeId] == null ||
                        !RegistrantState.FeeValues[dbFee.RegistrationTemplateFeeId]
                            .Any( f =>
                                f.Option == dbFee.Option &&
                                f.Quantity > 0 ) )
                    {
                        registrantChanges.Add( string.Format( "Removed '{0}' Fee (Quantity:{1:N0}, Cost:{2:C2}, Option:{3}",
                            dbFee.RegistrationTemplateFee.Name, dbFee.Quantity, dbFee.Cost, dbFee.Option ) );

                        registrant.Fees.Remove( dbFee );
                        registrantFeeService.Delete( dbFee );
                    }
                }

                // Add/Update any of the fees from UI
                foreach ( var uiFee in RegistrantState.FeeValues.Where( f => f.Value != null ) )
                {
                    foreach ( var uiFeeOption in uiFee.Value )
                    {
                        var dbFee = registrant.Fees
                            .Where( f =>
                                f.RegistrationTemplateFeeId == uiFee.Key &&
                                f.Option == uiFeeOption.Option )
                            .FirstOrDefault();

                        if ( dbFee == null )
                        {
                            dbFee = new RegistrationRegistrantFee();
                            dbFee.RegistrationTemplateFeeId = uiFee.Key;
                            dbFee.Option = uiFeeOption.Option;
                            registrant.Fees.Add( dbFee );
                        }

                        var templateFee = dbFee.RegistrationTemplateFee;
                        if ( templateFee == null )
                        {
                            templateFee = registrationTemplateFeeService.Get( uiFee.Key );
                        }

                        string feeName = templateFee != null ? templateFee.Name : "Fee";
                        if ( !string.IsNullOrWhiteSpace( uiFeeOption.Option ) )
                        {
                            feeName = string.Format( "{0} ({1})", feeName, uiFeeOption.Option );
                        }

                        if ( dbFee.Id <= 0 )
                        {
                            registrantChanges.Add( feeName + " Fee Added" );
                        }

                        History.EvaluateChange( registrantChanges, feeName + " Quantity", dbFee.Quantity, uiFeeOption.Quantity );
                        dbFee.Quantity = uiFeeOption.Quantity;

                        History.EvaluateChange( registrantChanges, feeName + " Cost", dbFee.Cost, uiFeeOption.Cost );
                        dbFee.Cost = uiFeeOption.Cost;
                    }
                }

                if ( TemplateState.RequiredSignatureDocumentTemplate != null )
                {
                    var person = new PersonService( rockContext ).Get( personId.Value );

                    var documentService = new SignatureDocumentService( rockContext );
                    var binaryFileService = new BinaryFileService( rockContext );
                    SignatureDocument document = null;

                    int? signatureDocumentId = hfSignedDocumentId.Value.AsIntegerOrNull();
                    int? binaryFileId = fuSignedDocument.BinaryFileId;
                    if ( signatureDocumentId.HasValue )
                    {
                        document = documentService.Get( signatureDocumentId.Value );
                    }

                    if ( document == null && binaryFileId.HasValue )
                    {
                        var instance = new RegistrationInstanceService( rockContext ).Get( RegistrationInstanceId );

                        document = new SignatureDocument();
                        document.SignatureDocumentTemplateId = TemplateState.RequiredSignatureDocumentTemplate.Id;
                        document.AppliesToPersonAliasId = registrant.PersonAliasId.Value;
                        document.AssignedToPersonAliasId = registrant.PersonAliasId.Value;
                        document.Name = string.Format( "{0}_{1}",
                            ( instance != null ? instance.Name : TemplateState.Name ),
                            ( person != null ? person.FullName.RemoveSpecialCharacters() : string.Empty ) );
                        document.Status = SignatureDocumentStatus.Signed;
                        document.LastStatusDate = RockDateTime.Now;
                        documentService.Add( document );
                    }

                    if ( document != null )
                    {
                        int? origBinaryFileId = document.BinaryFileId;
                        document.BinaryFileId = binaryFileId;

                        if ( origBinaryFileId.HasValue && origBinaryFileId.Value != document.BinaryFileId )
                        {
                            // if a new the binaryFile was uploaded, mark the old one as Temporary so that it gets cleaned up
                            var oldBinaryFile = binaryFileService.Get( origBinaryFileId.Value );
                            if ( oldBinaryFile != null && !oldBinaryFile.IsTemporary )
                            {
                                oldBinaryFile.IsTemporary = true;
                            }
                        }

                        // ensure the IsTemporary is set to false on binaryFile associated with this document
                        if ( document.BinaryFileId.HasValue )
                        {
                            var binaryFile = binaryFileService.Get( document.BinaryFileId.Value );
                            if ( binaryFile != null && binaryFile.IsTemporary )
                            {
                                binaryFile.IsTemporary = false;
                            }
                        }
                    }
                }

                if ( !registrant.IsValid )
                {
                    // Controls will render the error messages
                    return;
                }

                // use WrapTransaction since SaveAttributeValues does it's own RockContext.SaveChanges()
                rockContext.WrapTransaction( () =>
                {
                    rockContext.SaveChanges();

                    registrant.LoadAttributes();
                    foreach ( var field in TemplateState.Forms
                        .SelectMany( f => f.Fields
                            .Where( t =>
                                t.FieldSource == RegistrationFieldSource.RegistrationAttribute &&
                                t.AttributeId.HasValue ) ) )
                    {
                        var attribute = AttributeCache.Read( field.AttributeId.Value );
                        if ( attribute != null )
                        {
                            string originalValue = registrant.GetAttributeValue( attribute.Key );
                            var fieldValue = RegistrantState.FieldValues
                                .Where( f => f.Key == field.Id )
                                .Select( f => f.Value.FieldValue )
                                .FirstOrDefault();
                            string newValue = fieldValue != null ? fieldValue.ToString() : string.Empty;

                            if ( ( originalValue ?? string.Empty ).Trim() != ( newValue ?? string.Empty ).Trim() )
                            {
                                string formattedOriginalValue = string.Empty;
                                if ( !string.IsNullOrWhiteSpace( originalValue ) )
                                {
                                    formattedOriginalValue = attribute.FieldType.Field.FormatValue( null, originalValue, attribute.QualifierValues, false );
                                }

                                string formattedNewValue = string.Empty;
                                if ( !string.IsNullOrWhiteSpace( newValue ) )
                                {
                                    formattedNewValue = attribute.FieldType.Field.FormatValue( null, newValue, attribute.QualifierValues, false );
                                }

                                History.EvaluateChange( registrantChanges, attribute.Name, formattedOriginalValue, formattedNewValue );
                            }

                            if ( fieldValue != null )
                            {
                                registrant.SetAttributeValue( attribute.Key, fieldValue.ToString() );
                            }
                        }
                    }

                    registrant.SaveAttributeValues( rockContext );
                } );

                if ( newRegistrant && TemplateState.GroupTypeId.HasValue && ppPerson.PersonId.HasValue )
                {
                    using ( var newRockContext = new RockContext() )
                    {
                        var reloadedRegistrant = new RegistrationRegistrantService( newRockContext ).Get( registrant.Id );
                        if ( reloadedRegistrant != null &&
                            reloadedRegistrant.Registration != null &&
                            reloadedRegistrant.Registration.Group != null &&
                            reloadedRegistrant.Registration.Group.GroupTypeId == TemplateState.GroupTypeId.Value )
                        {
                            int? groupRoleId = TemplateState.GroupMemberRoleId.HasValue ?
                                TemplateState.GroupMemberRoleId.Value :
                                reloadedRegistrant.Registration.Group.GroupType.DefaultGroupRoleId;
                            if ( groupRoleId.HasValue )
                            {
                                var groupMemberService = new GroupMemberService( newRockContext );
                                var groupMember = groupMemberService
                                    .Queryable().AsNoTracking()
                                    .Where( m =>
                                        m.GroupId == reloadedRegistrant.Registration.Group.Id &&
                                        m.PersonId == reloadedRegistrant.PersonId &&
                                        m.GroupRoleId == groupRoleId.Value )
                                    .FirstOrDefault();
                                if ( groupMember == null )
                                {
                                    groupMember = new GroupMember();
                                    groupMemberService.Add( groupMember );
                                    groupMember.GroupId = reloadedRegistrant.Registration.Group.Id;
                                    groupMember.PersonId = ppPerson.PersonId.Value;
                                    groupMember.GroupRoleId = groupRoleId.Value;
                                    groupMember.GroupMemberStatus = TemplateState.GroupMemberStatus;

                                    newRockContext.SaveChanges();

                                    registrantChanges.Add( string.Format( "Registrant added to {0} group", reloadedRegistrant.Registration.Group.Name ) );
                                }
                                else
                                {
                                    registrantChanges.Add( string.Format( "Registrant group member reference updated to existing person in {0} group", reloadedRegistrant.Registration.Group.Name ) );
                                }

                                reloadedRegistrant.GroupMemberId = groupMember.Id;
                                newRockContext.SaveChanges();
                            }
                        }
                    }
                }

                HistoryService.SaveChanges(
                    rockContext,
                    typeof( Registration ),
                    Rock.SystemGuid.Category.HISTORY_EVENT_REGISTRATION.AsGuid(),
                    registrant.RegistrationId,
                    registrantChanges,
                    "Registrant: " + registrantName,
                    null, null );
            }

            NavigateToRegistration();
        }
        private void SaveGroupMember()
        {
            if ( Page.IsValid )
            {
                var rockContext = new RockContext();

                // Verify valid group
                var groupService = new GroupService( rockContext );
                var group = groupService.Get( hfGroupId.ValueAsInt() );
                if ( group == null )
                {
                    nbErrorMessage.Title = "Please select a Role";
                    return;
                }

                // Check to see if a person was selected
                int? personId = ppGroupMemberPerson.PersonId;
                int? personAliasId = ppGroupMemberPerson.PersonAliasId;
                if ( !personId.HasValue || !personAliasId.HasValue )
                {
                    nbErrorMessage.Title = "Please select a Person";
                    return;
                }

                // check to see if the user selected a role
                var role = new GroupTypeRoleService( rockContext ).Get( ddlGroupRole.SelectedValueAsInt() ?? 0 );
                if ( role == null )
                {
                    nbErrorMessage.Title = "Please select a Role";
                    return;
                }

                var groupMemberService = new GroupMemberService( rockContext );
                var groupMemberRequirementService = new GroupMemberRequirementService( rockContext );
                GroupMember groupMember;

                int groupMemberId = int.Parse( hfGroupMemberId.Value );

                // if adding a new group member
                if ( groupMemberId.Equals( 0 ) )
                {
                    groupMember = new GroupMember { Id = 0 };
                    groupMember.GroupId = group.Id;
                }
                else
                {
                    // load existing group member
                    groupMember = groupMemberService.Get( groupMemberId );
                }

                groupMember.PersonId = personId.Value;
                groupMember.GroupRoleId = role.Id;
                groupMember.Note = tbNote.Text;
                groupMember.GroupMemberStatus = rblStatus.SelectedValueAsEnum<GroupMemberStatus>();

                if ( cbIsNotified.Visible )
                {
                    groupMember.IsNotified = cbIsNotified.Checked;
                }

                if ( pnlRequirements.Visible )
                {
                    foreach ( var checkboxItem in cblManualRequirements.Items.OfType<ListItem>() )
                    {
                        int groupRequirementId = checkboxItem.Value.AsInteger();
                        var groupMemberRequirement = groupMember.GroupMemberRequirements.FirstOrDefault( a => a.GroupRequirementId == groupRequirementId );
                        bool metRequirement = checkboxItem.Selected;
                        if ( metRequirement )
                        {
                            if ( groupMemberRequirement == null )
                            {
                                groupMemberRequirement = new GroupMemberRequirement();
                                groupMemberRequirement.GroupRequirementId = groupRequirementId;

                                groupMember.GroupMemberRequirements.Add( groupMemberRequirement );
                            }

                            // set the RequirementMetDateTime if it hasn't been set already
                            groupMemberRequirement.RequirementMetDateTime = groupMemberRequirement.RequirementMetDateTime ?? RockDateTime.Now;

                            groupMemberRequirement.LastRequirementCheckDateTime = RockDateTime.Now;
                        }
                        else
                        {
                            if ( groupMemberRequirement != null )
                            {
                                // doesn't meets the requirement
                                groupMemberRequirement.RequirementMetDateTime = null;
                                groupMemberRequirement.LastRequirementCheckDateTime = RockDateTime.Now;
                            }
                        }
                    }
                }

                if ( group.RequiredSignatureDocumentTemplate != null )
                {
                    var person = new PersonService( rockContext ).Get( personId.Value );

                    var documentService = new SignatureDocumentService( rockContext );
                    var binaryFileService = new BinaryFileService( rockContext );
                    SignatureDocument document = null;

                    int? signatureDocumentId = hfSignedDocumentId.Value.AsIntegerOrNull();
                    int? binaryFileId = fuSignedDocument.BinaryFileId;
                    if ( signatureDocumentId.HasValue )
                    {
                        document = documentService.Get( signatureDocumentId.Value );
                    }

                    if ( document == null && binaryFileId.HasValue )
                    {
                        document = new SignatureDocument();
                        document.SignatureDocumentTemplateId = group.RequiredSignatureDocumentTemplate.Id;
                        document.AppliesToPersonAliasId = personAliasId.Value;
                        document.AssignedToPersonAliasId = personAliasId.Value;
                        document.Name = string.Format( "{0}_{1}",
                            group.Name.RemoveSpecialCharacters(),
                            ( person != null ? person.FullName.RemoveSpecialCharacters() : string.Empty ) );
                        document.Status = SignatureDocumentStatus.Signed;
                        document.LastStatusDate = RockDateTime.Now;
                        documentService.Add( document );
                    }

                    if ( document != null )
                    {
                        int? origBinaryFileId = document.BinaryFileId;
                        document.BinaryFileId = binaryFileId;

                        if ( origBinaryFileId.HasValue && origBinaryFileId.Value != document.BinaryFileId )
                        {
                            // if a new the binaryFile was uploaded, mark the old one as Temporary so that it gets cleaned up
                            var oldBinaryFile = binaryFileService.Get( origBinaryFileId.Value );
                            if ( oldBinaryFile != null && !oldBinaryFile.IsTemporary )
                            {
                                oldBinaryFile.IsTemporary = true;
                            }
                        }

                        // ensure the IsTemporary is set to false on binaryFile associated with this document
                        if ( document.BinaryFileId.HasValue )
                        {
                            var binaryFile = binaryFileService.Get( document.BinaryFileId.Value );
                            if ( binaryFile != null && binaryFile.IsTemporary )
                            {
                                binaryFile.IsTemporary = false;
                            }
                        }
                    }
                }

                groupMember.LoadAttributes();

                Rock.Attribute.Helper.GetEditValues( phAttributes, groupMember );

                if ( !Page.IsValid )
                {
                    return;
                }

                // if the groupMember IsValid is false, and the UI controls didn't report any errors, it is probably because the custom rules of GroupMember didn't pass.
                // So, make sure a message is displayed in the validation summary
                cvGroupMember.IsValid = groupMember.IsValid;

                if ( !cvGroupMember.IsValid )
                {
                    cvGroupMember.ErrorMessage = groupMember.ValidationResults.Select( a => a.ErrorMessage ).ToList().AsDelimited( "<br />" );
                    return;
                }

                // using WrapTransaction because there are three Saves
                rockContext.WrapTransaction( () =>
                {
                    if ( groupMember.Id.Equals( 0 ) )
                    {
                        groupMemberService.Add( groupMember );
                    }

                    rockContext.SaveChanges();
                    groupMember.SaveAttributeValues( rockContext );
                } );

                groupMember.CalculateRequirements( rockContext, true );

                if ( group.IsSecurityRole || group.GroupType.Guid.Equals( Rock.SystemGuid.GroupType.GROUPTYPE_SECURITY_ROLE.AsGuid() ) )
                {
                    Rock.Security.Role.Flush( group.Id );
                }
            }
        }
        /// <summary>
        /// Handles the Delete event of the gSignatureDocuments control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
        protected void gSignatureDocuments_Delete( object sender, RowEventArgs e )
        {
            var rockContext = new RockContext();
            var signatureDocumentService = new SignatureDocumentService( rockContext );

            SignatureDocument document = signatureDocumentService.Get( e.RowKeyId );

            if ( document != null )
            {
                if ( !UserCanEdit && !document.IsAuthorized( Authorization.EDIT, CurrentPerson ) )
                {
                    mdGridWarningValues.Show( "Sorry, you're not authorized to delete this signature document.", ModalAlertType.Alert );
                    return;
                }

                string errorMessage;
                if ( !signatureDocumentService.CanDelete( document, out errorMessage ) )
                {
                    mdGridWarningValues.Show( errorMessage, ModalAlertType.Information );
                    return;
                }

                signatureDocumentService.Delete( document );
                rockContext.SaveChanges();
            }

            BindGrid();
        }