Automatically Create Google Docs and Email Summaries Using Apps Script

/**
 * Function to create sample Google Docs in a folder
 */
function createSampleDocs() {
  const folderId = '1pT****hXtd'; // Replace with your folder ID
  const folder = DriveApp.getFolderById(folderId);

  const docData = [
    {
      fileName: 'Sample Document 1',
      content: `
        Welcome to Sample Document 1.
        This document is an introduction to automation using Google Apps Script.
        Google Apps Script is a powerful tool that allows you to automate workflows, process data, and interact with Google services.
      `
    },
    {
      fileName: 'Sample Document 2',
      content: `
        This is Sample Document 2.
        Here, we talk about the importance of cloud automation and how it can save time and effort.
        With Google Apps Script, you can create custom workflows and increase productivity in the workplace.
      `
    },
    {
      fileName: 'Sample Document 3',
      content: `
        Welcome to Sample Document 3.
        In this document, we demonstrate how easy it is to extract data from multiple Google Docs and combine them into one summary.
        This process can be useful for generating reports, overviews, or executive summaries.
      `
    }
  ];

  docData.forEach(data => {
    const doc = DocumentApp.create(data.fileName); 
    const body = doc.getBody();
    body.appendParagraph(data.content);
    doc.saveAndClose();

    const file = DriveApp.getFileById(doc.getId());
    folder.addFile(file); // Move the file to the target folder
    DriveApp.getRootFolder().removeFile(file); // Remove it from the root folder
  });

  Logger.log('Sample Google Docs have been created in the folder: ' + folder.getName());
}

/**
 * Function to extract contents from Google Docs and send a summary email
 */
function summarizeAndEmailGoogleDocs() {
  const folderId = '1pT5*****QhXtd'; // Replace with your folder ID
  const folder = DriveApp.getFolderById(folderId);
  const files = folder.getFilesByType(MimeType.GOOGLE_DOCS);
  const userEmail = Session.getActiveUser().getEmail(); 
  let emailBody = 'Here is a summary of the contents from the Google Docs in your folder:\n\n';

  while (files.hasNext()) {
    const file = files.next();
    const fileName = file.getName();
    Logger.log(`Processing file: ${fileName}`);
    
    try {
      const docId = file.getId();
      const doc = DocumentApp.openById(docId);
      const text = doc.getBody().getText();

      // Extract the first 3 paragraphs or 500 characters from each document
      const summary = summarizeText(text);
      emailBody += `---\n**${fileName}**\n${summary}\n\n`;
      
    } catch (e) {
      Logger.log(`Failed to process file: ${fileName}. Error: ${e}`);
      emailBody += `Failed to process file: ${fileName}\n\n`;
    }
  }

  // Send the email
  MailApp.sendEmail({
    to: userEmail,
    subject: 'Summary of Google Docs from Your Folder',
    body: emailBody
  });

  Logger.log('Email sent to ' + userEmail);
}


function summarizeText(text) {
  const paragraphs = text.split('\n\n'); // Split the text into paragraphs
  let summary = '';
  
  // Extract up to 3 paragraphs or up to 500 characters, whichever comes first
  for (let i = 0; i < paragraphs.length && i < 3; i++) {
    summary += paragraphs[i] + '\n\n';
    if (summary.length >= 500) break; // Limit summary to 500 characters
  }
  
  if (summary.length > 500) {
    summary = summary.substring(0, 500) + '...'; // Truncate to 500 characters
  }

  return summary.trim();
}