Email only new rows in Google sheets - arrays

Question

I'm editing the [Send single email with values from all new rows in a spreadsheet (Google Script / GAS). The function works as far as updating the Sheet, but the e-mail that is sent sends the info for all rows. I'd like it to only send e-mails from rows that have not yet been labeled 'email_fwd'.
function sendEmail() {
//setup function
var ActiveSheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
var StartRow = 1;
var RowRange = ActiveSheet.getLastRow() - StartRow + 1;
var WholeRange = ActiveSheet.getRange(StartRow,1,RowRange,17);
var AllValues = WholeRange.getValues();
var message = "";
//iterate loop
for (i in AllValues) {
//set current row
var CurrentRow = AllValues[i];
//define column to check if sent
var EmailSent = CurrentRow[17];
//if row has been sent, then continue to next iteration
if (EmailSent == "email_fwd")
continue;
//set HTML template for information
message +=
"<p><b>E-mail: </b>" + CurrentRow[1] + "</p>" +
"<p><b>Days: </b>" + CurrentRow[2] + "</p>" +
"<p><b>First Name: </b>" + CurrentRow[3] + "</p>" +
"<p><b>Last Name: </b>" + CurrentRow[4] + "</p>" +
"<p><b>Address: </b>" + CurrentRow[5] + "</p>" +
"<p><b>City: </b>" + CurrentRow[6] + "</p>" +
"<p><b>State: </b>" + CurrentRow[7] + "</p>" +
"<p><b>Phone: </b>" + CurrentRow[8] + "</p>" +
"<p><b>Country: </b>" + CurrentRow[9] + "</p>" +
"<p><b>Phone: </b>" + CurrentRow[10] + "</p>" +
"<p><b>Place: </b>" + CurrentRow[11] + "</p>" +
"<p><b>Rank: </b>" + CurrentRow[12] + "</p>" +
"<p><b>Emergency Contact: </b>" + CurrentRow[13] + "</p>" +
"<p><b>Emergency Contact Phone: </b>" + CurrentRow[14] + "</p>" +
"<p><b>Questions & Comments: </b>" + CurrentRow[15] + "</p><br><br>";
//set the row to look at
var setRow = parseInt(i) + StartRow;
//mark row as "sent"
ActiveSheet.getRange(setRow, 17).setValue("email_fwd");
}
//define who to send grants to
var SendTo = "someaddress#yahoo.com"; // + "," + "emailaddress2#gmail.com";
//set subject line
var Subject = "RE: Registrations";
//send the actual email
MailApp.sendEmail({
to: SendTo,
cc: "",
subject: Subject,
htmlBody: message,
});
}
I think I just need to reset the StartRow = FIRST ROW THAT IS NOT FOUND WITH email_fwd but I'm not sure how to do that. Little help.

Answer 1

I ended up doing this from https://developers.google.com/apps-script/articles/sending_emails with the typo fix ActiveSheet for third text line from the bottom.
// This constant is written in column C for rows for which an email
// has been sent successfully.
function sendEmails2() {
var sheet = SpreadsheetApp.getActiveSheet();
var startRow = 2; // First row of data to process
var numRows = 2; // Number of rows to process
// Fetch the range of cells A2:B3
var dataRange = sheet.getRange(startRow, 1, numRows, 3)
// Fetch values for each row in the Range.
var data = dataRange.getValues();
for (var i = 0; i < data.length; ++i) {
var row = data[i];
var emailAddress = row[0]; // First column
var message = row[1]; // Second column
var emailSent = row[2]; // Third column
if (emailSent != EMAIL_SENT) { // Prevents sending duplicates
var subject = "Sending emails from a Spreadsheet";
MailApp.sendEmail(emailAddress, subject, message);
**ActiveSheet**.getRange(startRow + i, 3).setValue(EMAIL_SENT);
// Make sure the cell is updated right away in case the script is interrupted
SpreadsheetApp.flush();
}
}
}

Answer 2

Please change
var EmailSent = CurrentRow[17];
to
var EmailSent = CurrentRow[16];
getRange's index start from 1. When you access JavaScript array for row, index start from 0.
Hint. You can use Logger.log(CurrentRow[17]); for debugging.

Answer 3

This should do it unless there were other problems.
function sendEmail()
{
var ActiveSheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
var StartRow = 2;
var RowRange = ActiveSheet.getLastRow() - StartRow + 1;
var WholeRange = ActiveSheet.getRange(StartRow,1,RowRange,17);//17 is length of WholeRange so max index is 16
var AllValues = WholeRange.getValues();
var message = "";
for (var i=0;i<AllValues.length;i++)
{
var CurrentRow = AllValues[i];
var EmailSent = CurrentRow[16];
if (EmailSent!="email_fwd")
{
message +=
"<p><b>E-mail: </b>" + CurrentRow[1] + "</p>" +
"<p><b>Days: </b>" + CurrentRow[2] + "</p>" +
"<p><b>First Name: </b>" + CurrentRow[3] + "</p>" +
"<p><b>Last Name: </b>" + CurrentRow[4] + "</p>" +
"<p><b>Address: </b>" + CurrentRow[5] + "</p>" +
"<p><b>City: </b>" + CurrentRow[6] + "</p>" +
"<p><b>State: </b>" + CurrentRow[7] + "</p>" +
"<p><b>Phone: </b>" + CurrentRow[8] + "</p>" +
"<p><b>Country: </b>" + CurrentRow[9] + "</p>" +
"<p><b>Phone: </b>" + CurrentRow[10] + "</p>" +
"<p><b>Place: </b>" + CurrentRow[11] + "</p>" +
"<p><b>Rank: </b>" + CurrentRow[12] + "</p>" +
"<p><b>Emergency Contact: </b>" + CurrentRow[13] + "</p>" +
"<p><b>Emergency Contact Phone: </b>" + CurrentRow[14] + "</p>" +
"<p><b>Questions & Comments: </b>" + CurrentRow[15] + "</p><br><br>";
var setRow = i + StartRow;
ActiveSheet.getRange(setRow, 17).setValue("email_fwd");
var SendTo = "someaddress#yahoo.com";
var Subject = "RE: Registrations";
MailApp.sendEmail({to: SendTo,cc: "",subject: Subject,htmlBody: message,});
}
}
}
My guess is that your headers look like this:
The numbers on the second row should be your indexes so it's possible that they should all be reduced by one. Perhaps you can share your spreadsheet with us.