Revisions to How to avoid to send the mail to owner field

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edited Apr 13, 2017 at 12:54

1

Using APEX to assemble HTML Letterhead Emails Using APEX to assemble HTML Letterhead Emails

public class mailUtils {
  public class mailUtilsException extends exception {}
  
  public Boolean useSig {get; private set;}
  public Boolean saveActivity {get; private set;}
  public String senderDisplayName {get; private set;}
  
  public mailUtils(Boolean useSig, Boolean saveActivity, String senderDisplayName){
    this.useSig = usesig;
    this.saveActivity = saveActivity;
    this.senderDisplayName = senderDisplayName;
  }
  
  // Derived from: 
  // httphttps://salesforce.stackexchange.com/questions/13/using-apex-to-assemble-html-letterhead-emails/8745#8745
  public Messaging.SingleEmailMessage MergeTemplateWithoutSending(Id targetObjectId, Id templateId) {
    Messaging.reserveSingleEmailCapacity(1);
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    // Intentionally set a bogus email address.
    String[] toAddresses = new String[]{'[email protected]'};
    mail.setToAddresses(toAddresses);
    mail.setUseSignature(this.useSig);
    mail.setSaveAsActivity(this.saveActivity);
    mail.setSenderDisplayName(this.senderDisplayName);
    mail.setTargetObjectId(targetObjectId);
    mail.setTemplateId(templateId);
    
    // create a save point
    Savepoint sp = Database.setSavepoint();
    // Force the merge of the template.
    Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
    // Force a rollback, and cancel mail send.
    Database.rollback(sp);
    
    // Return the mail object
    // You can access the merged template, subject, etc. via:
    // String mailTextBody = mail.getPlainTextBody();
    // String mailHtmlBody = mail.getHTMLBody();
    // String mailSubject = mail.getSubject();
    return mail;
    
  }
  
  public static Map<String,String> getMergedTemplateForObjectWithoutSending(Id targetObjectId, Id templateId, Boolean useSig, Boolean saveActivity, String senderDisplayName) {
    Map<String,String> returnValue = new Map<String,String>();
    mailUtils mu = new mailUtils(useSig, saveActivity, senderDisplayName);
    Messaging.SingleEmailMessage mail = mu.MergeTemplateWithoutSending(targetObjectId, templateId);
    returnValue.put('textBody', mail.getPlainTextBody());
    returnValue.put('htmlBody', mail.getHTMLBody());
    returnValue.put('subject', mail.getSubject());
    return returnValue;
  }
  
}

Using APEX to assemble HTML Letterhead Emails

public class mailUtils {
  public class mailUtilsException extends exception {}
  
  public Boolean useSig {get; private set;}
  public Boolean saveActivity {get; private set;}
  public String senderDisplayName {get; private set;}
  
  public mailUtils(Boolean useSig, Boolean saveActivity, String senderDisplayName){
    this.useSig = usesig;
    this.saveActivity = saveActivity;
    this.senderDisplayName = senderDisplayName;
  }
  
  // Derived from: 
  // http://salesforce.stackexchange.com/questions/13/using-apex-to-assemble-html-letterhead-emails/8745#8745
  public Messaging.SingleEmailMessage MergeTemplateWithoutSending(Id targetObjectId, Id templateId) {
    Messaging.reserveSingleEmailCapacity(1);
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    // Intentionally set a bogus email address.
    String[] toAddresses = new String[]{'[email protected]'};
    mail.setToAddresses(toAddresses);
    mail.setUseSignature(this.useSig);
    mail.setSaveAsActivity(this.saveActivity);
    mail.setSenderDisplayName(this.senderDisplayName);
    mail.setTargetObjectId(targetObjectId);
    mail.setTemplateId(templateId);
    
    // create a save point
    Savepoint sp = Database.setSavepoint();
    // Force the merge of the template.
    Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
    // Force a rollback, and cancel mail send.
    Database.rollback(sp);
    
    // Return the mail object
    // You can access the merged template, subject, etc. via:
    // String mailTextBody = mail.getPlainTextBody();
    // String mailHtmlBody = mail.getHTMLBody();
    // String mailSubject = mail.getSubject();
    return mail;
    
  }
  
  public static Map<String,String> getMergedTemplateForObjectWithoutSending(Id targetObjectId, Id templateId, Boolean useSig, Boolean saveActivity, String senderDisplayName) {
    Map<String,String> returnValue = new Map<String,String>();
    mailUtils mu = new mailUtils(useSig, saveActivity, senderDisplayName);
    Messaging.SingleEmailMessage mail = mu.MergeTemplateWithoutSending(targetObjectId, templateId);
    returnValue.put('textBody', mail.getPlainTextBody());
    returnValue.put('htmlBody', mail.getHTMLBody());
    returnValue.put('subject', mail.getSubject());
    return returnValue;
  }
  
}

Using APEX to assemble HTML Letterhead Emails

public class mailUtils {
  public class mailUtilsException extends exception {}
  
  public Boolean useSig {get; private set;}
  public Boolean saveActivity {get; private set;}
  public String senderDisplayName {get; private set;}
  
  public mailUtils(Boolean useSig, Boolean saveActivity, String senderDisplayName){
    this.useSig = usesig;
    this.saveActivity = saveActivity;
    this.senderDisplayName = senderDisplayName;
  }
  
  // Derived from: 
  // https://salesforce.stackexchange.com/questions/13/using-apex-to-assemble-html-letterhead-emails/8745#8745
  public Messaging.SingleEmailMessage MergeTemplateWithoutSending(Id targetObjectId, Id templateId) {
    Messaging.reserveSingleEmailCapacity(1);
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    // Intentionally set a bogus email address.
    String[] toAddresses = new String[]{'[email protected]'};
    mail.setToAddresses(toAddresses);
    mail.setUseSignature(this.useSig);
    mail.setSaveAsActivity(this.saveActivity);
    mail.setSenderDisplayName(this.senderDisplayName);
    mail.setTargetObjectId(targetObjectId);
    mail.setTemplateId(templateId);
    
    // create a save point
    Savepoint sp = Database.setSavepoint();
    // Force the merge of the template.
    Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
    // Force a rollback, and cancel mail send.
    Database.rollback(sp);
    
    // Return the mail object
    // You can access the merged template, subject, etc. via:
    // String mailTextBody = mail.getPlainTextBody();
    // String mailHtmlBody = mail.getHTMLBody();
    // String mailSubject = mail.getSubject();
    return mail;
    
  }
  
  public static Map<String,String> getMergedTemplateForObjectWithoutSending(Id targetObjectId, Id templateId, Boolean useSig, Boolean saveActivity, String senderDisplayName) {
    Map<String,String> returnValue = new Map<String,String>();
    mailUtils mu = new mailUtils(useSig, saveActivity, senderDisplayName);
    Messaging.SingleEmailMessage mail = mu.MergeTemplateWithoutSending(targetObjectId, templateId);
    returnValue.put('textBody', mail.getPlainTextBody());
    returnValue.put('htmlBody', mail.getHTMLBody());
    returnValue.put('subject', mail.getSubject());
    return returnValue;
  }
  
}

added code.

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edited Dec 10, 2014 at 12:21

Kevin P

7.3k
2
28
41

I've taken the liberty of writing up this as a class, as part of my upcoming "highly opinionated standard library."

public class mailUtils {
  public class mailUtilsException extends exception {}
  
  public Boolean useSig {get; private set;}
  public Boolean saveActivity {get; private set;}
  public String senderDisplayName {get; private set;}
  
  public mailUtils(Boolean useSig, Boolean saveActivity, String senderDisplayName){
    this.useSig = usesig;
    this.saveActivity = saveActivity;
    this.senderDisplayName = senderDisplayName;
  }
  
  // Derived from: 
  // http://salesforce.stackexchange.com/questions/13/using-apex-to-assemble-html-letterhead-emails/8745#8745
  public Messaging.SingleEmailMessage MergeTemplateWithoutSending(Id targetObjectId, Id templateId) {
    Messaging.reserveSingleEmailCapacity(1);
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    // Intentionally set a bogus email address.
    String[] toAddresses = new String[]{'[email protected]'};
    mail.setToAddresses(toAddresses);
    mail.setUseSignature(this.useSig);
    mail.setSaveAsActivity(this.saveActivity);
    mail.setSenderDisplayName(this.senderDisplayName);
    mail.setTargetObjectId(targetObjectId);
    mail.setTemplateId(templateId);
    
    // create a save point
    Savepoint sp = Database.setSavepoint();
    // Force the merge of the template.
    Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
    // Force a rollback, and cancel mail send.
    Database.rollback(sp);
    
    // Return the mail object
    // You can access the merged template, subject, etc. via:
    // String mailTextBody = mail.getPlainTextBody();
    // String mailHtmlBody = mail.getHTMLBody();
    // String mailSubject = mail.getSubject();
    return mail;
    
  }
  
  public static Map<String,String> getMergedTemplateForObjectWithoutSending(Id targetObjectId, Id templateId, Boolean useSig, Boolean saveActivity, String senderDisplayName) {
    Map<String,String> returnValue = new Map<String,String>();
    mailUtils mu = new mailUtils(useSig, saveActivity, senderDisplayName);
    Messaging.SingleEmailMessage mail = mu.MergeTemplateWithoutSending(targetObjectId, templateId);
    returnValue.put('textBody', mail.getPlainTextBody());
    returnValue.put('htmlBody', mail.getHTMLBody());
    returnValue.put('subject', mail.getSubject());
    return returnValue;
  }
  
}

I've taken the liberty of writing up this as a class, as part of my upcoming "highly opinionated standard library."

public class mailUtils {
  public class mailUtilsException extends exception {}
  
  public Boolean useSig {get; private set;}
  public Boolean saveActivity {get; private set;}
  public String senderDisplayName {get; private set;}
  
  public mailUtils(Boolean useSig, Boolean saveActivity, String senderDisplayName){
    this.useSig = usesig;
    this.saveActivity = saveActivity;
    this.senderDisplayName = senderDisplayName;
  }
  
  // Derived from: 
  // http://salesforce.stackexchange.com/questions/13/using-apex-to-assemble-html-letterhead-emails/8745#8745
  public Messaging.SingleEmailMessage MergeTemplateWithoutSending(Id targetObjectId, Id templateId) {
    Messaging.reserveSingleEmailCapacity(1);
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    // Intentionally set a bogus email address.
    String[] toAddresses = new String[]{'[email protected]'};
    mail.setToAddresses(toAddresses);
    mail.setUseSignature(this.useSig);
    mail.setSaveAsActivity(this.saveActivity);
    mail.setSenderDisplayName(this.senderDisplayName);
    mail.setTargetObjectId(targetObjectId);
    mail.setTemplateId(templateId);
    
    // create a save point
    Savepoint sp = Database.setSavepoint();
    // Force the merge of the template.
    Messaging.sendEmail(new Messaging.SingleEmailMessage[] {mail});
    // Force a rollback, and cancel mail send.
    Database.rollback(sp);
    
    // Return the mail object
    // You can access the merged template, subject, etc. via:
    // String mailTextBody = mail.getPlainTextBody();
    // String mailHtmlBody = mail.getHTMLBody();
    // String mailSubject = mail.getSubject();
    return mail;
    
  }
  
  public static Map<String,String> getMergedTemplateForObjectWithoutSending(Id targetObjectId, Id templateId, Boolean useSig, Boolean saveActivity, String senderDisplayName) {
    Map<String,String> returnValue = new Map<String,String>();
    mailUtils mu = new mailUtils(useSig, saveActivity, senderDisplayName);
    Messaging.SingleEmailMessage mail = mu.MergeTemplateWithoutSending(targetObjectId, templateId);
    returnValue.put('textBody', mail.getPlainTextBody());
    returnValue.put('htmlBody', mail.getHTMLBody());
    returnValue.put('subject', mail.getSubject());
    return returnValue;
  }
  
}

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created Dec 10, 2014 at 12:01

Kevin P

7.3k
2
28
41

@Lemon, You want to follow the code example found here:

Using APEX to assemble HTML Letterhead Emails

Essentially, by wrapping the sendEmail call in a db transaction that you immediately rollback, you end up with a Merged template that you can inject into a send without using setTargetObjectId.

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