How to get the “shareable link” of a Google Drive file via Google Apps Script and paste the link into a cell in Google Sheets? - google-apps-script

Question

I have a script that makes a PDF of my invoice and sends it to a Google drive folder.Now I want to get the "Shareable link" from the file it just made and paste it into a specific Cell in google Sheets. I don't have a coding background and at most I can understand and modify some code. So I'm using code I found online to create the PDF. I tried making my own code for the shareable link but I'm getting nowhere. Can anyone help me. This is the code I'm using for the PDF. If I can provide any more useful information please let me know. Thank you! :)
// Get the currently active spreadsheet URL (link)
var ss = SpreadsheetApp.getActiveSpreadsheet();
var token = ScriptApp.getOAuthToken();
var sheet = ss.getSheetByName("Invoice");
//Creating an exportable URL
var url = "https://docs.google.com/spreadsheets/d/SS_ID/export?".replace("SS_ID", ss.getId());
var folderID = "#### Folder ID ####"; // Folder id to save in a folder.
var folder = DriveApp.getFolderById(folderID);
var invoiceNumber = ss.getRange("'Invoice'!I16").getValue()
var InvoiceDate = ss.getRange("!I17").getValue()
var pdfName = "Invoice #"+ invoiceNumber + " - " + Utilities.formatDate(new Date(), "GMT-7", "MM-dd-yyyy");
/* Specify PDF export parameters
From: https://code.google.com/p/google-apps-script-issues/issues/detail?id=3579
*/
var url_ext = 'exportFormat=pdf&format=pdf' // export as pdf / csv / xls / xlsx
+ '&size=letter' // paper size legal / letter / A4
+ '&portrait=true' // orientation, false for landscape
+ '&fitw=true&source=labnol' // fit to page width, false for actual size
+ '&sheetnames=false&printtitle=false' // hide optional headers and footers
+ '&pagenumbers=false&gridlines=false' // hide page numbers and gridlines
+ '&fzr=false' // do not repeat row headers (frozen rows) on each page
+ '&gid='; // the sheet's Id
// Convert individual worksheet to PDF
var response = UrlFetchApp.fetch(url + url_ext + sheet.getSheetId(), {
headers: {
'Authorization': 'Bearer ' + token
}
});
//convert the response to a blob
var blobs = response.getBlob().setName(pdfName + '.pdf');
//saves the file to the specified folder of Google Drive
var newFile = folder.createFile(blobs);
// Define the scope
Logger.log("Storage Space used: " + DriveApp.getStorageUsed());
}```

Answer 1

Intuitively, you can achieve a lot only by yourself, and this is the way to go at the beginning:
You want to retrieve the link of the pdf, so you know for sure that it can happen only when the pdf has been created, which is after this line var newFile = folder.createFile(blobs);
Therefore newFile is the PDF you've created, what's left is just to get the link of this file, you can use either getUrl() or getId():
var newFileLink = newFile.getUrl()
or
var newFileLink = "http://drive.google.com/uc?export=view&id=" + newFile.getId()
Now you have stored the link of the created PDF, and you want to write data into your spreadsheet within a specific cell, maybe you want it in J16, since you're using invoiceNumber = ss.getRange("'Invoice'!I16").getValue() to get a value from I16
Assuming you want to set a value in J16. Intuitively again, since getValue retrieve something, so maybe something link setValue will do the opposite:
var writePDFLink = ss.getRange("'Invoice'!J16").setValue(newFileLink)
Hope this was insightful.