Sync old changes, not only updates

[bitomule]

Expected behavior

Sync existing realm data to CloudKit.

Actual behavior(optional)

Objects present in the database before adding Icecream doesn´t sync.

Steps to reproduce the problem(optional)

Create a realm database without Icecream, add and setup Icrecream to your project. Only updates are pushed to the cloud.

[dbmrq]

While this isn't implemented, I think it's useful to mention here that we can use syncRecordsToCloudKit, as suggested here.

In my case, for my Note and Quote objects, I'm doing this after starting the sync engine:

let realm = try! Realm()
var recordsToStore: [CKRecord] = []
recordsToStore += realm.objects(Note.self).map { $0.record }
recordsToStore += realm.objects(Quote.self).map { $0.record }
syncEngine?.syncRecordsToCloudKit(recordsToStore: recordsToStore, recordIDsToDelete: [])

It seems to be working pretty well.

[caiyue1993]

Hi @bitomule @dbmrq ,

I've made a PR #94 regarding this issue. I added a public method named pushAll to SyncEngine. You may call that method to push all local existing Realm data to CloudKit manually. So you don't have the need the write the code yourself @dbmrq 😊.

However, we should NOT call pushAll too frequently only when necessary.

[dbmrq]

Awesome, thank you!

One more thing: how about fetching all CloudKit data for the first time? E.g., I have some data from my iPhone and then buy a new iPad and install the app… it needs to get all CloudKit data, not just the changes. Is there something like a pullAll method to do that? Or is it already handled automatically?

[caiyue1993]

@dbmrq Absolutely, "fetching all CloudKit data for the first time" is already been handled. Actually we've provided a pull method(not pullAll), but normally you don't need to call that because it's invoked automatically every time SyncEngine gets initialized.

For details, I suggest you read the source code and check CloudKit docs for more mechanism.

[dbmrq]

Fantastic, thanks! 🎉