Comments (1)
Definitely not a stupid question :).
So, you're correct that there isn't a built-in method in AbstractCollection. This is because AbstractCollection is intended as a building block to create collections with any datastore and operations that affect data on both the client and server side have to be written with regard to the datastore that you're using on the client side. For example, with insertion, you'd presumably want to insert your object into your client-side database, call the server-side insert method, then reverse your client-side insertion if the server-side insertion failed (because, for example, you aren't authorized to insert on this collection). That code logic is different depending on whether you use Core Data, Realm, or a plain old array to store your data client-side.
The MeteorCollection class holds documents that are subclasses of MeteorDocument. It stores these documents in an array. It's insert method looks like this:
public func insert(document: T) {
// save the document to the built-in documents array
documents[document._id] = document
collectionSetDidChange() // send a notification that the set has changed
// now try to insert the document on the server, but remove it if the attempt fails
client.insert(self.name, document: [document.fields()]) { result, error in
if error != nil {
self.documents[document._id] = nil
self.collectionSetDidChange()
log.error("\(error!)")
}
}
}
To see more in-depth examples of how this might work in practice, have a look at either one of the Todos examples, or the MeteorCollection class.
If this is still hazy, let me know.
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