Quick Start Kit: Automatically Keep a Daily History of Your Data

With the release of version v1.1 of the DataCollection module, we’re introducing a powerful new feature:

✅ Automatic daily data history backup.

This update helps ensure your dashboard data is archived every day, without manual effort. It’s a simple yet essential step to track progress, troubleshoot issues, or just maintain historical records for future reference.

Saving today's data allows you to build a historical record and track the evolution of all data over time, which can then be displayed in the Dashboard (lookerstudio).

1. How It Works

At the end of each day, a script automatically copies all data rows from the current day in the data_dashboard sheet and appends them to the bottom of the same file. This creates a growing historical record of your data over time — one snapshot per day.

2. How to Set It Up

You only need to schedule the script to run daily. Here’s how:

1. Open your Google Sheet.

2. Go to Extensions > Apps Script.

3. In the Apps Script editor, go to Triggers from the left-side menu.

4. Click on "Add Trigger" (bottom right).

5. Choose the function: copyTodayRowsUniqueAppli.

6. Set the event source to Time-driven.

7. Set the type to Daily.

8. Choose the time range: Between 11:00 PM and midnight.

9. Click Save.

Once this trigger is created, the function will run every day, backing up the day’s data automatically.

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3. If You’re Using an Older Version of the Quick Start Kit

If your DataCollection sheet doesn't include this feature yet:

1. Go to Extensions > Apps Script.

2. In the Apps Script editor, click the "+" icon to add a new script file.

3. Copy and paste the script below into the file.

4. Click Save.

5. Then follow the setup steps in section 2 to schedule the trigger.

   
   

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function copyTodayRowsUniqueAppli() {

  const sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("data_dashboard");

  const today = new Date();

  today.setHours(0, 0, 0, 0); // Normalize for comparison

  const lastRow = sheet.getLastRow();

  const lastCol = sheet.getLastColumn();

  const allData = sheet.getRange(2, 1, lastRow - 1, lastCol).getValues(); // Full data from row 2

  const matchingRows = [];

  for (let i = 0; i < allData.length; i++) {

    const row = allData[i];

    const dateCell = row[0];

    const colBValue = row[1];

    if (!dateCell) break; // Stop at first empty date

    const rowDate = new Date(dateCell);

    rowDate.setHours(0, 0, 0, 0);

    if (rowDate.getTime() === today.getTime()) {

      // Count how many times this (today's date + col B) combo exists in the entire data

      let count = 0;

      for (let j = 0; j < allData.length; j++) {

        const d = new Date(allData[j][0]);

        d.setHours(0, 0, 0, 0);

        if (d.getTime() === today.getTime() && allData[j][1] === colBValue) {

          count++;

        }

      }

      if (count <= 1) { // Only copy if the combo exists once or less

        matchingRows.push(row);

      }

    }

  }

  if (matchingRows.length > 0) {

    const destinationStartRow = sheet.getLastRow() + 1;

    sheet.getRange(destinationStartRow, 1, matchingRows.length, matchingRows[0].length)

         .setValues(matchingRows);

    Logger.log(matchingRows.length + " row(s) copied.");

  } else {

    Logger.log("No rows to copy: all (date + column B) combos already exist more than once.");

  }

}

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This simple setup ensures you always have a reliable history of your data — versioned by day — with no manual exports

or archiving needed.Ready to try it? Upgrade to v1.1 and set up your trigger today!