I'm trying to change some code within our org that was created by a third party. I need some help understanding what the first part of the code does as I need to add a new SOQL query and get records from an unrelated object. Please can somebody help explain the first part of code?
public with sharing class COL_JIS_EmailConversationController {
BMCServiceDesk__Incident__c incident = null;
//List<BMCServiceDesk__CustomAttachment__c> incidentAttachments = null;
//Map<String,String> incidentAttachments = null;
transient String bodyText = null;
transient String lastEmailBody = null;
String subject = null;
//Attachment attachment = null;
//String attID = null;
String toAddresses = '';
String ccAddresses = '';
public COL_JIS_EmailConversationController(){
incident = [select id, name, COL_JIS_Caller_Email__c, COL_JIS_Caller_Name__c, COL_JIS_Subject__c,
BMCServiceDesk__openDateTime__c,BMCServiceDesk__IncidentDescription__c,
COL_JIS_Service_Desk_Signature__c,COL_JIS_Incident_History_last_entry__c,
COL_JIS_Category_Type__c
from BMCServiceDesk__Incident__c
where id = :ApexPages.currentPage().getParameters().get('id') limit 1];
List<BMCServiceDesk__IncidentHistory__c> inboundEmails = [select Id, BMCServiceDesk__note__c, BMCServiceDesk__EmailConversationData__c,
COL_JIS_CCEmailAddresses__c
from BMCServiceDesk__IncidentHistory__c
where BMCServiceDesk__actionId__c = 'Email Received'
and BMCServiceDesk__FKIncident__c = :ApexPages.currentPage().getParameters().get('id')
order by Name DESC Limit 1];
if(inboundEmails != null && inboundEmails.size() > 0){
lastEmailBody = inboundEmails[0].BMCServiceDesk__note__c;
if(inboundEmails[0].BMCServiceDesk__EmailConversationData__c != null){toAddresses = inboundEmails[0].BMCServiceDesk__EmailConversationData__c;}
if(inboundEmails[0].COL_JIS_CCEmailAddresses__c != null){ccAddresses = inboundEmails[0].COL_JIS_CCEmailAddresses__c;}
}
if(incident != null){
toAddresses += incident.COL_JIS_Caller_Email__c;
subject = incident.COL_JIS_Subject__c;
}
}
public PageReference sendEmail() {
system.debug('enter sendEmail');
// attach files
attachFile();
// create a mail incident history record
BMCServiceDesk__Action__c action = null;
List<BMCServiceDesk__Action__c> actions = [select Id from BMCServiceDesk__Action__c where BMCServiceDesk__Abbreviation__c = 'EMAILOUT' Limit 1];
if(actions != null && actions.size()>0){
system.debug('action found');
action = actions[0];
}
String emailBody = bodyText;
system.debug('************************* To: ' + toAddresses);
COL_JIS_SingleEmailMessage mail = new COL_JIS_SingleEmailMessage();
// get the org address to send the email from
if(incident.COL_JIS_Category_Type__c != ''){
List<OrgWideEmailAddress> orgWideAddresses = [SELECT Id, Address FROM OrgWideEmailAddress WHERE DisplayName = :incident.COL_JIS_Category_Type__c limit 1 ];
if(orgWideAddresses != null && orgWideAddresses.size() > 0){
mail.setReplyTo(orgWideAddresses[0].Address);
mail.setOrgWideEmailAddressId(orgWideAddresses[0].Id);
}
}
// set the from address as the default no reply
/*List<OrgWideEmailAddress> replyTo = [SELECT Id, Address FROM OrgWideEmailAddress WHERE DisplayName = 'Jisc Remedyforce' limit 1 ];
if(replyTo != null && replyTo.size() > 0){
mail.setOrgWideEmailAddressId(replyTo[0].Id);
}*/
mail.setToAddress(toAddresses);
mail.setSubject(subject + '(Ref:IN:' + incident.Name + ')');
if(ccAddresses != null && ccAddresses != ''){
mail.setCcAddresses(ccAddresses);
}
mail.setPlainTextBody(buildPlaintextBody());
mail.setHtmlBody(buildHTMLBody());
mail.setSaveAsActivity(false);
Messaging.EmailFileAttachment[] attachArray = new Messaging.EmailFileAttachment[]{};
String attachmentText = '';
Integer noOfAttachments = selectedFoos.size();
if(selectedFoos.size() > 0){
//noOfAttachments ++;
attachmentText = 'Attachments sent with this email(' + noOfAttachments + ')';
}
//List<Attachment> attachmentsToInsert = new List<Attachment>();
Integer i = 1;
for(Attachment a : selectedFoos){
attachmentText += '\n' + i + '. ' + a.Name;
i++;
Messaging.EmailFileAttachment attach = new Messaging.EmailFileAttachment();
Attachment at = [select body from Attachment where Id = :a.Id limit 1];
attach.setFileName(a.Name);
attach.setBody(at.body);
//a.parentId = incident.Id;
attachArray.add(attach);
//if(a.Id == null){
//attachmentsToInsert.add(a);
//}
}
//insert attachmentsToInsert;
if(attachmentText != ''){
attachmentText += '\n***********************';
}
mail.setFileAttachments(attachArray);
if(incident != null && action != null){
system.debug('incident and action exist');
Integer actionCount = [select count() from BMCServiceDesk__IncidentHistory__c where BMCServiceDesk__FKIncident__c = :incident.Id];
actionCount++;
String actionName = incident.Name + '_' + string.valueOf(actionCount);
// add a note to the incident
emailBody = bodyText + '\n\n' + attachmentText ;
BMCServiceDesk__IncidentHistory__c note = new BMCServiceDesk__IncidentHistory__c(BMCServiceDesk__FKIncident__c = incident.Id,
BMCServiceDesk__note__c = emailBody,
BMCServiceDesk__description__c = 'Email sent to ' + toAddresses,
BMCServiceDesk__FKAction__c = action.Id,
Name = actionName,COL_JIS_Caller_Email__c = incident.COL_JIS_Caller_Email__c );
if(note != null){
system.debug('insert the note');
insert note;
}
}
try{
mail.send();
}catch(Exception e){
ApexPages.addMessages(e);
return null;
}
//return null; // stay on the same page
return new PageReference('javascript:window.close()');
}
String[] getAddressArray(String addresses){
if(addresses == null){addresses = '';}
String[] addressList = addresses.split(';',0);
return addressList;
}
public BMCServiceDesk__Incident__c getIncident() {
return incident;
}
public String getToAddresses() {
if(toAddresses == null){
toAddresses = getIncident().COL_JIS_Caller_Email__c;
}
return toAddresses;
}
public void setToAddresses(String s){
toAddresses = s;
}
public String getCcAddresses() {
return ccAddresses;
}
public void setCcAddresses(String s){
ccAddresses = s;
}
public String getAdditionalText() {
return bodyText;
}
public void setAdditionalText(String s) {
bodyText = s;
}
public String getLastEmailText() {
return lastEmailBody;
}
public void setLastEmailText(String s) {
lastEmailBody = s;
}
public String getSubject() {
return subject;
}
public void setSubject(String s) {
subject = s;
}
public String getAttachFiles() {
String attachmentList = '';
for(Attachment a : attachments){
attachmentList += a.name + '\n';
}
return attachmentList;
}
// =====================================================================================
// Private helper methods
// =====================================================================================
private String buildHTMLBody(){
// we cannot use templates as this would require a contact or user and would
// result in a double count of the email limit.
String body = bodyText;
body = body.replaceAll('\n','<br>');
body += '<p>Enquiry Number: ' + incident.Name;
body += '<br>Subject: ';
if(incident.COL_JIS_Subject__c != null){body += incident.COL_JIS_Subject__c;}
body += '<br>Open Date: ';
if(incident.BMCServiceDesk__openDateTime__c != null){body += incident.BMCServiceDesk__openDateTime__c;}
body += '<br>Caller Name: ';
if(incident.COL_JIS_Caller_Name__c != null){body += incident.COL_JIS_Caller_Name__c;}
body += '<br>Enquiry: <p>';
if(incident.BMCServiceDesk__incidentDescription__c != null){body += incident.BMCServiceDesk__incidentDescription__c.replaceAll('\n', '<br>');}
body += '<p>Please reply to this email with any updates on this issue.<p>';
if(incident.COL_JIS_Service_Desk_Signature__c != null){body += incident.COL_JIS_Service_Desk_Signature__c;}
body += '<p><hr/><p>';
if(lastEmailBody != null){body += lastEmailBody.replaceAll('\n', '<br>');}
return body;
}
private String buildPlaintextBody(){
// we cannot use templates as this would require a contact or user and would
// result in a double count of the email limit.
String body = bodyText;
body += '\n\nEnquiry Number: ' + incident.Name;
body += '\nSubject: ';
if(incident.COL_JIS_Subject__c != null){body += incident.COL_JIS_Subject__c;}
body += '\nOpen Date: ';
if(incident.BMCServiceDesk__openDateTime__c != null){body += incident.BMCServiceDesk__openDateTime__c;}
body += '\nCaller Name: ';
if(incident.COL_JIS_Caller_Name__c != null){body += incident.COL_JIS_Caller_Name__c;}
body += '\nEnquiry: \n';
if(incident.BMCServiceDesk__incidentDescription__c != null){body += incident.BMCServiceDesk__incidentDescription__c;}
body += '\nPlease reply to this email with any updates on this issue.\n\n';
if(incident.COL_JIS_Service_Desk_Signature__c != null){body += incident.COL_JIS_Service_Desk_Signature__c;}
body += '\n----------------------------------------------------------------\n\n';
if(lastEmailBody != null){body += lastEmailBody;}
return body;
}
