Purchase

A Purchase records that a specific AppUser has acquired a specific Game. It is the entitlement record that unlocks library access.

Properties

Property	Type	Description
Id	int	Primary key
BuyerId	int	FK → AppUser
GameId	int	FK → Game
PricePaidUsd	decimal	Reference price at time of purchase
PurchasedAtUtc	DateTime	When the purchase was recorded

Constraints

• Unique index on (BuyerId, GameId) — a user can only own one copy of each game.

Usage

The Purchase record is created when an Order is fulfilled. It grants the buyer:

• Access to the game in their Library (/library)
• Ability to play HTML5 games in-browser
• Ability to download the game zip
• Eligibility to leave a review