Need some clarifications about renting and calculating points about video-store-manager HOT 8 CLOSED

For most of the requirements, I think a simple canRent(item) would do the trick.

As for account promotions, let's have AccountManager manage the process.

public void levelUp(Account account) {
    if (account.role == "VIP") return;

   int resolvedTransactions = transactionManager.getTransactions(account, true);

    if (account.role == "REGULAR" && resolvedTransactions >= 5) {
        account.setRole("VIP");
        return;
    }

    if (account.role == "GUEST" && resolvedTransactions >= 3) {
        account.setRole("REGULAR");
        return;
    }

for the transactionManager.getTransactions() method, you can assume it's like this:

public ArrayList<Transaction> getTransactions(Account account);
public ArrayList<Transaction> getTransactions(Account account, boolean resolved);

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That could work. Design it the way it make sense to you and I'll take a look.

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For the first question, I think for every account, we gotta have an list where we track what items that the account itself
currently borrowing. I know it violated the encapsulation rule that I discussed with Phuc before, but it could be the way.

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I'm having lunch right now, I'll check back and reply later.

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Oh I misunderstood "at a time" sr. For that, we currently have a list for currentRentals, and the size of that list must be <= 2 for guest account. I thought it was "not to rent 2 items literally at 1 specific time".

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@vhpx What do you think?

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About the VIP account with the points system. Add the int points attribute ONLY to VIPAccount. Then override the rent() method inside it with point-related expressions, which should be straightforward from this point.

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@vhpx How would accounts pay for their rentals? Should we add another attribute which will be deducted when renting and increase when returning?

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