Apex controller to auto generate a survey invitation link - Call this controller method from any aura or LWC component to automatically generate invitation link. We can also populate this link a custom field value anywhere and send email to the invitee automatically with process automation. Watch this video: https://screencast-o-matic.com/watch/…

AutoGenerateSurveyInvitationLink.cls

public class AutoGenerateSurveyLinkController {
    @AuraEnabled
    public static String generateSurveyInvitationLink(String relatedObjectRecordId) {
        String returnString;
        Boolean isAllowed;


        isAllowed = checkAdminPermission();
        if(isAllowed) {
            returnString = helperMethod(relatedObjectRecordId);
        } else {
            returnString = 'not allowed';
        }
        // } else {
        //     returnString = helperMethod(relatedObjectRecordId, whichAction);
        // }
        return returnString;
    }

    public static String helperMethod(String relatedObjectRecordId) {
        system.debug('relatedObjectRecordId - '+relatedObjectRecordId);
        String returnString;
        string communityId;
        string surveyId;
        List<SObject> relatedRecords = new List<SObject>();
        // relatedRecords = [Select Id, ..... from <SObject>];
        if(relatedRecords.size() > 0) {
            SObject relatedRecord = relatedRecords[0];

            //fetch the community Id of the community for which survey is enabled.
            communityId = [select Id from Network where Name='Survey'].Id;


            // get the Id of the survey to send
            List<Survey> surveys = [Select Id from Survey where Name=<'name of the survey'>];
            if(surveys.size() > 0) {
                surveyId = surveys[0].Id;
            }

            SurveyInvitation surveyI = New SurveyInvitation();

            surveyI.Name = <'populate name of the invitation as required'>;
            surveyI.ParticipantId = <'populate the the survey participantId as required.'>;
            surveyI.Contact__c = <'populate any other custom fields as required'>;
            //SInv.OptionsCollectAnonymousResponse = true;

            // set this to true if anonimous users are allowed to respond to sutveys without loggin in.
            surveyI.OptionsAllowGuestUserResponse = true;
            surveyI.SurveyId = surveyId;

            // insert Survey Invitation record
            insert surveyI;
            system.debug('surveyI - '+surveyI);


            // Create SurveySubject record as a junction between standard/custom object and SurveyInvitation
            SurveySubject surveyS = new SurveySubject();
            surveyS.SubjectId = relatedObjectRecordId;
            // SS.SurveyId = SurveyId;
            surveyS.ParentId = surveyI.Id;
            surveyS.Name = <'populate the name as required'>;
            insert surveyS;



            // query for the inserted SurveyInvitation to get the invitation link and pass it back to UI(Aura/LWC)
            SurveyInvitation updatedInvitation =
            [Select Id, ParticipantId, CommunityId, Name, OptionsAllowGuestUserResponse, SurveyId,
              InvitationLink from SurveyInvitation where Id =: surveyI.Id];

            // if we need to append any other parameters in the invitation link, we can do so and encode the URI as below.
            returnString = updatedInvitation.InvitationLink + '&accountName=' +
              <relatedObjectRecord.Account__r.Name> + '&contactFullName='+
              <relatedObjectRecord.Contact__r.Name>;
            system.debug('returnString -- '+returnString);
        }

        // encode the url to avoid spaces in the accountname or contactname
        return returnString.replace(' ', '%20');
    }


    public static Boolean checkAdminPermission(){
        // Logic to check if logged-in user is allowed to generate the survey goes here
        // return true/false
    }
}