crossmate

A collaborative crossword app for iOS
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CloudContainer.swift (1174B)

      1 import CloudKit
      2 
      3 /// Central identifiers for Crossmate's CloudKit containers.
      4 ///
      5 /// Synced game data lives in a *versioned* container. A breaking schema change
      6 /// spins up a fresh container rather than mutating the append-only Production
      7 /// schema in place; the app points at the current generation and abandons the
      8 /// previous one's data. `legacyIdentifier` is retained only so a build can
      9 /// still *read* the prior container to detect a user carrying pre-v4 data (the
     10 /// v3→v4 reset flow), and can be dropped a release after launch.
     11 ///
     12 /// Bump `identifier` and add the new id to `Crossmate.entitlements` together on
     13 /// the next breaking schema change.
     14 enum CloudContainer {
     15     /// The current synced-game container.
     16     static let identifier = "iCloud.net.inqk.crossmate.v4"
     17 
     18     /// The immediately-previous generation, kept readable one release for the
     19     /// pre-v4 data probe. Remove once all users have moved off it.
     20     static let legacyIdentifier = "iCloud.net.inqk.crossmate.v3"
     21 
     22     static var container: CKContainer { CKContainer(identifier: identifier) }
     23     static var legacyContainer: CKContainer { CKContainer(identifier: legacyIdentifier) }
     24 }