feature/IO-3096-GlobalNotifications - Check-point

server/notifications/utils/changeParser.js

@@ -0,0 +1,43 @@
+const changeParser = async ({ oldData, newData, trigger, table }) => {
+  const isNew = !oldData;
+  let changedFields = {};
+  let changedFieldNames = [];
+
+  if (isNew) {
+    // If there's no old data, every field in newData is considered changed (new)
+    changedFields = { ...newData };
+    changedFieldNames = Object.keys(newData);
+  } else {
+    // Compare oldData with newData for changes
+    for (const key in newData) {
+      if (Object.prototype.hasOwnProperty.call(newData, key)) {
+        // Check if the key exists in oldData and if values differ
+        if (
+          !Object.prototype.hasOwnProperty.call(oldData, key) ||
+          JSON.stringify(oldData[key]) !== JSON.stringify(newData[key])
+        ) {
+          changedFields[key] = newData[key];
+          changedFieldNames.push(key);
+        }
+      }
+    }
+    // Check for fields that were removed
+    for (const key in oldData) {
+      if (Object.prototype.hasOwnProperty.call(oldData, key) && !Object.prototype.hasOwnProperty.call(newData, key)) {
+        changedFields[key] = null; // Indicate field was removed
+        changedFieldNames.push(key);
+      }
+    }
+  }
+
+  return {
+    changedFieldNames,
+    changedFields,
+    isNew,
+    data: newData,
+    trigger,
+    table
+  };
+};
+
+module.exports = changeParser;