I am using repository pattern in my app so the repository has such a function:
func getAll() throws -> some Publisher<[CryptoPrice], Never> {
let descriptor = FetchDescriptor<CryptoPriceDbEntity>()
let testPublisher = try context.fetch(descriptor)
.publisher
.print()
.map { dbEntity in
CryptoPriceMapper.mapFromDbEntity(dbEntity)
}
.collect()
.print()
.eraseToAnyPublisher()
//FIXME: this publisher send one value and then close. Is it normal behaviour of swift Data
return testPublisher
}
and the view model subscribe to this.
I was expecting the view model to receive the new query result whenever it the database changes as a constant stream. But I was surprised to see the publisher send some data once and then it close immediately.
Is it normal behaviour of SwiftData or is there a big in this code ?
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Hello,
my app use. iCloud with core data so for all my target. was generated automatically a .entitlements file. This file contains for exemple : my app group identifier.
When I added the new widget. extension many filles were created but no .entitlements file. So here when I try to access to the app group the app crash.
Is the fact .entitlements isn't generated with widget extension a bug ?