mm-394-script.js

mm-394-script.js

var collection = db.addressbook_2;
collection.find({'fields.verificationChannel': 'iOS'}).forEach(function(doc) {
	if (doc.fields && (!doc.fields.latitude || !doc.fields.longitude)) {
		collection.update(
			{_id : doc._id},
			{$set: { "fields.requiresVerification": "true"}}
		);
	} else if (doc.fields && ((doc.fields.latitude && doc.fields.latitude % 1 == 0) || (doc.fields.longitude && doc.fields.longitude == 0))) {
		collection.update(
			{_id : doc._id},
			{$set: { "fields.requiresVerification": "true"}}
		);
  }
});

print("Verifying");
var remaining_tasks = 0;
collection.find({'fields.verificationChannel': 'iOS'}).forEach(function(doc) {
	if (doc.fields && (!doc.fields.latitude || !doc.fields.longitude) && doc.fields.requiresVerification !== "true") {
		remaining_tasks = remaining_tasks + 1;
	} else if (doc.fields && ((doc.fields.latitude && doc.fields.latitude % 1 == 0) || (doc.fields.longitude && doc.fields.longitude == 0)) && doc.fields.requiresVerification !== "true")  {
		remaining_tasks = remaining_tasks + 1;
  }
});

if (remaining_tasks == 0){
	print("Migration was successful");
}
else {
	print("Migration has failed");
}

👍

Looks ok if you tested