trigger ContentDocumentLink on ContentDocumentLink (before delete, after insert) {

    system.debug('enter ContentDocumentLink');
    system.debug('Trigger.new = ' + (List<ContentDocumentLink>) Trigger.new);
    system.debug('Trigger.old = ' + (List<ContentDocumentLink>) Trigger.old);

    String invoiceStart = System.Label.invoiceStart;
    System.debug('invoiceStart = ' + invoiceStart);
    List<String> rentalIds = new List<String>();
    List<String> attIds = new List<String>();
    // List<String> rentaldelIds = new List<String>();
    // List<String> attdelIds = new List<String>();

    if (Trigger.isAfter && Trigger.isInsert) {
        System.debug('Trigger.isAfter && Trigger.isInsert');
        for (ContentDocumentLink cdl : Trigger.new) {
            System.debug('cdl.LinkedEntityId = ' + cdl.LinkedEntityId);
            System.debug('cdl.ContentDocumentId = ' + cdl.ContentDocumentId);
            if (String.valueOf(cdl.LinkedEntityId).startsWith(invoiceStart)) {
                System.debug('String.valueOf(cdl.LinkedEntityId).startsWith(invoiceStart)');
                rentalIds.add(cdl.LinkedEntityId);
                attIds.add(cdl.ContentDocumentId);
                System.debug('rentalIds = ' + rentalIds);
                System.debug('attIds = ' + attIds);
            }
        }
    }

    // if (Trigger.isBefore && Trigger.isDelete) {
    //     System.debug('Trigger.isBefore && Trigger.isDelete');
    //     for (ContentDocumentLink cdl : Trigger.old) {
    //         System.debug('cdl.LinkedEntityId = ' + cdl.LinkedEntityId);
    //         System.debug('cdl.ContentDocumentId = ' + cdl.ContentDocumentId);
    //         if (String.valueOf(cdl.LinkedEntityId).startsWith(invoiceStart)) {
    //             System.debug('String.valueOf(cdl.LinkedEntityId).startsWith(invoiceStart)');
    //             rentaldelIds.add(cdl.LinkedEntityId);
    //             attdelIds.add(cdl.ContentDocumentId);
    //             System.debug('rentaldelIds = ' + rentaldelIds);
    //             System.debug('attdelIds = ' + attdelIds);
    //         }
    //     }
    // }


    if (rentalIds.size() > 0) {
        List<Consumable_order__c> rentalList = new List<Consumable_order__c>();
        for (Consumable_order__c ra : [SELECT Id FROM Consumable_order__c WHERE Id IN :rentalIds]) {
            ra.Consumable_pdf_insert_day__c = Date.today();
            ra.Order_Attachment__c = attIds[0];
            rentalList.add(ra);
        }
        System.debug('rentalList = ' + rentalList);
        ControllerUtil.updRentalApplyList(rentalList);
    }

    // if (rentaldelIds.size() > 0) {
    //     List<Consumable_accessories_invoice__c> rentaldelList = new List<Consumable_accessories_invoice__c>();
    //     for (Consumable_accessories_invoice__c ra : [
    //         SELECT Id
    //         FROM Consumable_accessories_invoice__c
    //         WHERE Invoice_code__c IN :rentaldelIds AND Attachment_ID__c IN :attdelIds
    //     ]) {
    //         rentaldelList.add(ra);
    //     }
    //     System.debug('rentaldelList = ' + rentaldelList);
    //     ControllerUtil.delConsumableAccessoriesInvoiceSet(rentaldelList);
    // }
}