main.gs: created & refined -- untested

Author: riungemaina

main.gs.js

@@ -0,0 +1,59 @@
+// Assumptions
+// 1. The sheet with the students is called Sheet1
+// 2. The certificate name placeholder is 'Name PlaceHolder'
+
+var studentsId = "16FCTdyJ2ONyXPZvm6fn_o8KP6zjDlSyThXrvpMrrnVU";
+var sheetName = "Sheet1";
+var namePlaceholder = "Name PlaceHolder";
+var courses = [
+  {
+    name: "Web App Development with PHP & MySQL",
+    slides: "1ZQCC-o1f_29U6YLpaE2wpsCBkE-HpD8Ka83hiAdGNh0",
+  },
+  {
+    name: "Web App Development with PHP & MySQL",
+    slides: "1ZQCC-o1f_29U6YLpaE2wpsCBkE-HpD8Ka83hiAdGNh0",
+  },
+];
+
+function main() {
+  const getByName = (colName, sheetName, id) => {
+    var sheet = SpreadsheetApp.openById(id).getSheetByName(sheetName);
+    var data = sheet.getRange("A1:1").getValues();
+    var col = data[0].indexOf(colName);
+    if (col != -1) {
+      var unfiltered = sheet.getRange(2, col + 1, sheet.getMaxRows()).getValues();
+      var arrFiltered = unfiltered.filter(function (x) {
+        return !x.every((element) => element === (undefined || null || ""));
+      });
+      return arrFiltered.filter(function (x) {
+        return x.toString();
+      });
+    }
+  };
+
+  const duplicateSlides = (certSlide, students) => {
+    certSlide.forEach(function (slide) {
+      for (let i = 1; i < students.length; i++) {
+        slide.duplicate();
+      }
+    });
+  };
+
+  const fillData = (certs, students) => {
+    for (var i = 0; i < students.length; i++) {
+      var student = students[i].toString();
+      var shapes = certs[i].getShapes();
+      shapes.forEach(function (shape) {
+        shape.getText().replaceAllText(namePlaceholder, student);
+      });
+    }
+  };
+
+  for (const course of courses) {
+    let certs = SlidesApp.openById(course.slides).getSlides();
+    let students = getByName(course.name, sheetName, studentsId);
+    duplicateSlides(certs, students);
+    fillData(certs, students);
+  }
+}