trigger QuoteAttachmentProcessing on Quote (after insert, after update) {
    Set<Id> quoteIds = new Set<Id>();
 
    if (Trigger.isInsert || Trigger.isUpdate) {
        for (Quote quote : Trigger.new) {
            quoteIds.add(quote.Id);
        }
    }
 
    if (!quoteIds.isEmpty()) {
        processQuoteAttachments(quoteIds);
    }
 
 
public void processQuoteAttachments(Set<Id> quoteIds) {
    List<Quote> quotesToUpdate = new List<Quote>();
 
    for (Id quoteId : quoteIds) {
        List<Attachment> quoteAttachments = [SELECT Id, Body FROM Attachment WHERE ParentId = :quoteId];
 
        Boolean isAnyDocumentSigned = false;
 
        for (Attachment attachment : quoteAttachments) {
            Blob attachmentBody = attachment.Body;
            String pdfContent = attachmentBody.toString();
 
            // Check for initials within the PDF content
            Boolean hasInitials = checkForInitials(pdfContent);
 
            if (hasInitials) {
                isAnyDocumentSigned = true;
                break;
            }
        }
 
        // Update Quote record with overall signature status
        Quote quoteToUpdate = new Quote(Id = quoteId);
        quoteToUpdate.Signed_Status__c = isAnyDocumentSigned;
        quotesToUpdate.add(quoteToUpdate);
    }
 
    if (!quotesToUpdate.isEmpty()) {
        update quotesToUpdate;
    }
}
 
public Boolean checkForInitials(String pdfContent) {
 
    Pattern initialsPattern = Pattern.compile('Initials: ([A-Za-z]{2})'); 
    Matcher matcher = initialsPattern.matcher(pdfContent);
 
    return matcher.find(); 
}
 
}

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