How to Invoke VF page render as PDF from batch Apex - salesforce

Question

I want to call the vf page controller from an Batch apex. but i am getting the following error
enter image description here
VF page controller
public with sharing class QuoteToPDFControllerdownload {
....
public QuoteToPDFControllerdownload() {
}
public QuoteToPDFControllerdownload(ApexPages.StandardController controller) {
quoteRecord = [
SELECT ID, Name, OpportunityId, Status, Subtotal, Design_Basis__c, Exclusions__c,
Special_Notes__c, Account.Company__r.Address_1__c, Account.Company__r.Address_2__c,
Account.Company__r.Address_3__c, Account.Company__r.Address_4__c,Account.CustomerCodeIFS__c , Tax, Discount,
Global_Discount__c, Absolute_Discount__c, TotalPrice, Contact_Info__c,
Opportunity.Salesman__r.Name, Opportunity.Salesman__r.MobilePhone, Opportunity.Salesman__r.Email,
Opportunity.Company__r.Address_1__c, Opportunity.Company__r.Address_2__c,
Opportunity.Company__r.Address_3__c, Opportunity.Company__r.Address_4__c,
Opportunity.Company__r.Name, Opportunity.Company__r.Company__c,
Opportunity.New_Customer_Name__c,Opportunity.New_Customer_address__c,Opportunity.New_Customer_Address_2__c,Opportunity.New_Customer_Address_3__c, Opportunity.Name, Opportunity.CreatedDate
FROM Quote
WHERE Id = :controller.getId()
];
String fileName = 'Quote_' + quoteRecord.Opportunity.Name + '.pdf';
ApexPages.currentPage().getHeaders().put('content-disposition', 'attachment; filename=' + fileName);
}
VF page
<apex:page standardController="Quote" extensions="QuoteToPDFControllerdownload" showHeader="false" standardStylesheets="false"
applyBodyTag="false" applyHtmlTag="false" docType="html-5.0"
action="{! saveToPdf }" readOnly="false" renderAs="PDF">
.....
</apex:page>
Batch Class
public class QuoteToPDFBatchDownload implements Database.Batchable, Database.Stateful {
public Integer recordsProcessed = 0;
public Database.QueryLocator start(Database.BatchableContext bc) {
return Database.getQueryLocator([
SELECT ID, Opportunity_Number__c FROM Quote WHERE SentToIFS__c =TRUE
]);
}
public void execute(Database.BatchableContext bc, List scope){
for (Quote qt : scope) {
// PageReference pr = New PageReference('/apex/culliganReortDownload?id=' + qt.id );
ApexPages.StandardController sc = new ApexPages.StandardController(qt);
QuoteToPDFControllerdownload qd = new QuoteToPDFControllerdownload(sc);
recordsProcessed = recordsProcessed + 1;
}
}
public void finish(Database.BatchableContext bc){
System.debug(recordsProcessed + ' records processed. Ayesha!');
}
}

Answer 1

I suggest you can try using the following statement, in Apex, in a custom controller, to access the id which you are passing via Batch class:
ApexPages.currentPage().getParameters().get('id');
Please let me know if it helps you out.
Thanks.