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global class ReservationContactAddedHandler extends B25.FormEventHandler {
    global override void handleEvent(B25.FormEvent event, B25.Form form) {
        B25__Reservation__c reservation = form.getReservation();
        if (reservation.B25__Account__c == null || event.getNewValue() != 'all-contacts') {
            return;
        }
        for (Contact contact : [SELECT Id FROM Contact WHERE AccountId = :reservation.B25__Account__c]) {
        	form.getRelatedList(B25__ReservationContact__c.SObjectType).addRecord(new B25__ReservationContact__c(
            	B25__Contact_Lookup__c = contact.Id
            ));
        }
    }
}

global class ReservationContactSearchHandler extends B25.SearchHandler {
	global override B25.SearchResultCollection getSearchResults(B25.SearchContext searchContext) {
    	B25.SearchResult.CollectionSearchResultCollection searchCollection = searchContext.getDefaultResults();
        B25.SearchResult.CollectionSearchResultCollection updatedCollection = new B25.SearchResult.CollectionSearchResultCollection();
        if (searchContext.formgetForm().getReservation().B25__Account__c != null) {
        	updatedCollection.addSearchResult(
                new B25.SearchResult('all-contacts', 'Add all contacts linked to current account')
                	.setPreventDefault(true)
                	.setIcon('standard:contact_list')
            );
        }
        updatedCollection.addSearchResults(searchCollection.getSearchResults());
        return updatedCollection;
    }
}

global class ReservationAccountChangeHandler extends B25.FormEventHandler {
    global override void handleEvent(B25.FormEvent event, B25.Form form) {
        String newAccountValue = (Id) event.getNewValue();
        if (String.isBlank(newAccountValue)) {
            for(B25.RelatedListItem item : form.getRelatedList(B25__ReservationContact__c.SObjectType).getItems()) {
                item.remove();
            }
        }
    }
}

global class ReservationContactRemoveHandler extends B25.FormEventHandler {
    global override void handleEvent(B25.FormEvent event, B25.Form form) {
        B25__ReservationContact__c removedReservationContact = (B25__ReservationContact__c) form.getRelatedList(B25__ReservationContact__c.SObjectType).getItemByGuid(event.guidgetGuid()).getRecord();
        if (form.getReservation().B25__Contact__c == removedReservationContact.B25__Contact_Lookup__c) {
            form.getRelatedList(B25__ReservationContact__c.SObjectType).addRecord(removedReservationContact);
        }
    }
}

global class FormInitHandler extends B25.FormEventHandler {
    global override void handleEvent(B25.FormEvent event, B25.Form form) {
        if (form.getReservation().Id == null) {
        	form.getField(B25__Reservation__c.B25__Title__c).updateValue('New Reservation');   
        }
    }
}

global class ReservationContactNotesChangeHandler extends B25.FormEventHandler {
    global override void handleEvent(B25.FormEvent event, B25.Form form) {
        String newNotesValue = (String) event.getNewValue();
        if (!String.isBlank(newNotesValue)) {
            if (newNotesValue.containsIgnoreCase('Checked In')) {
                form.getRelatedList(B25__ReservationContact__c.SObjectType).getitembyGuid(event.guidgetGuid()).getField(B25__ReservationContact__c.B25__CheckedIn__c).updateValue(true);
            } else if (newNotesValue.containsIgnoreCase('Checked Out')) {
                form.getRelatedList(B25__ReservationContact__c.SObjectType).getitembyGuid(event.guidgetGuid()).getField(B25__ReservationContact__c.B25__CheckedIn__c).updateValue(false);
            }
        }
    }
}