merge

Merges this CustomerInfo (device) with web CustomerInfo, deduplicating transactions by transaction ID.

This method combines transaction history and entitlements from both on-device purchases and web-based purchases/redemptions. It ensures:

• No duplicate transactions (keyed by transactionId)

• Web entitlements take precedence over device entitlements when IDs match (via priority rules)

• All transactions are sorted by purchase date

When duplicate transaction IDs are found for subscriptions, priority is determined by:

• Active status (active > inactive)

• Revocation status (non-revoked > revoked)

• Auto-renewal (will renew > won't renew)

• Grace period (in grace period > not in grace period)

• Most recent purchase date (latest > earliest)

For entitlements, priority rules (applied via EntitlementPriorityComparator):

• Active status (active > inactive)

• Transaction history presence (has history > no history)

• Lifetime status (lifetime > time-limited)

• Latest expiration date

• Auto-renewal (will renew > won't renew)

• Subscription state quality (SUBSCRIBED > GRACE_PERIOD > BILLING_RETRY > EXPIRED)

Parameters