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| 1 | +package io.snabble.sdk; |
| 2 | + |
| 3 | +import android.content.Context; |
| 4 | +import android.content.SharedPreferences; |
| 5 | +import android.os.Handler; |
| 6 | +import android.os.Looper; |
| 7 | + |
| 8 | +import com.google.gson.reflect.TypeToken; |
| 9 | + |
| 10 | +import java.util.Date; |
| 11 | +import java.util.List; |
| 12 | +import java.util.concurrent.CopyOnWriteArrayList; |
| 13 | +import java.util.concurrent.CountDownLatch; |
| 14 | + |
| 15 | +import io.snabble.sdk.utils.GsonHolder; |
| 16 | +import io.snabble.sdk.utils.Logger; |
| 17 | + |
| 18 | +class CheckoutRetryer { |
| 19 | + private class SavedCart { |
| 20 | + final ShoppingCart.BackendCart backendCart; |
| 21 | + final Date finalizedAt; |
| 22 | + |
| 23 | + SavedCart(ShoppingCart.BackendCart backendCart, Date finalizedAt) { |
| 24 | + this.backendCart = backendCart; |
| 25 | + this.finalizedAt = finalizedAt; |
| 26 | + } |
| 27 | + } |
| 28 | + |
| 29 | + private Handler handler; |
| 30 | + private PaymentMethod fallbackPaymentMethod; |
| 31 | + private SharedPreferences sharedPreferences; |
| 32 | + private CheckoutApi checkoutApi; |
| 33 | + private CopyOnWriteArrayList<SavedCart> savedCarts; |
| 34 | + private CountDownLatch countDownLatch; |
| 35 | + |
| 36 | + CheckoutRetryer(Project project, PaymentMethod fallbackPaymentMethod) { |
| 37 | + Context context = Snabble.getInstance().getApplication(); |
| 38 | + this.sharedPreferences = context.getSharedPreferences("snabble_saved_checkouts_" + project.getId(), Context.MODE_PRIVATE); |
| 39 | + this.checkoutApi = new CheckoutApi(project); |
| 40 | + this.fallbackPaymentMethod = fallbackPaymentMethod; |
| 41 | + this.handler = new Handler(Looper.getMainLooper()); |
| 42 | + |
| 43 | + String json = sharedPreferences.getString("saved_carts", null); |
| 44 | + if (json != null) { |
| 45 | + TypeToken typeToken = new TypeToken<CopyOnWriteArrayList<SavedCart>>() {}; |
| 46 | + savedCarts = GsonHolder.get().fromJson(json, typeToken.getType()); |
| 47 | + } else { |
| 48 | + savedCarts = new CopyOnWriteArrayList<>(); |
| 49 | + } |
| 50 | + |
| 51 | + processSavedCheckouts(); |
| 52 | + } |
| 53 | + |
| 54 | + public void add(ShoppingCart.BackendCart backendCart) { |
| 55 | + savedCarts.add(new SavedCart(backendCart, new Date())); |
| 56 | + save(); |
| 57 | + } |
| 58 | + |
| 59 | + private void save() { |
| 60 | + String json = GsonHolder.get().toJson(savedCarts); |
| 61 | + |
| 62 | + sharedPreferences.edit() |
| 63 | + .putString("saved_carts", json) |
| 64 | + .apply(); |
| 65 | + } |
| 66 | + |
| 67 | + public void processSavedCheckouts() { |
| 68 | + handler.post(new Runnable() { |
| 69 | + @Override |
| 70 | + public void run() { |
| 71 | + if (countDownLatch != null && countDownLatch.getCount() > 0) { |
| 72 | + return; |
| 73 | + } |
| 74 | + |
| 75 | + countDownLatch = new CountDownLatch(savedCarts.size()); |
| 76 | + |
| 77 | + for (final SavedCart savedCart : savedCarts) { |
| 78 | + checkoutApi.createCheckoutInfo(savedCart.backendCart, null, new CheckoutApi.CheckoutInfoResult() { |
| 79 | + @Override |
| 80 | + public void success(CheckoutApi.SignedCheckoutInfo signedCheckoutInfo, int onlinePrice, PaymentMethod[] availablePaymentMethods) { |
| 81 | + checkoutApi.createPaymentProcess(signedCheckoutInfo, fallbackPaymentMethod, null, |
| 82 | + true, savedCart.finalizedAt, new CheckoutApi.PaymentProcessResult() { |
| 83 | + @Override |
| 84 | + public void success(CheckoutApi.CheckoutProcessResponse checkoutProcessResponse) { |
| 85 | + Logger.d("Successfully resend checkout " + savedCart.backendCart.session); |
| 86 | + removeSavedCart(savedCart); |
| 87 | + countDownLatch.countDown(); |
| 88 | + } |
| 89 | + |
| 90 | + @Override |
| 91 | + public void aborted() { |
| 92 | + countDownLatch.countDown(); |
| 93 | + } |
| 94 | + |
| 95 | + @Override |
| 96 | + public void error() { |
| 97 | + countDownLatch.countDown(); |
| 98 | + } |
| 99 | + }); |
| 100 | + } |
| 101 | + |
| 102 | + @Override |
| 103 | + public void noShop() { |
| 104 | + countDownLatch.countDown(); |
| 105 | + } |
| 106 | + |
| 107 | + @Override |
| 108 | + public void invalidProducts(List<Product> products) { |
| 109 | + countDownLatch.countDown(); |
| 110 | + } |
| 111 | + |
| 112 | + @Override |
| 113 | + public void noAvailablePaymentMethod() { |
| 114 | + countDownLatch.countDown(); |
| 115 | + } |
| 116 | + |
| 117 | + @Override |
| 118 | + public void unknownError() { |
| 119 | + countDownLatch.countDown(); |
| 120 | + } |
| 121 | + |
| 122 | + @Override |
| 123 | + public void connectionError() { |
| 124 | + countDownLatch.countDown(); |
| 125 | + } |
| 126 | + }); |
| 127 | + } |
| 128 | + } |
| 129 | + }); |
| 130 | + } |
| 131 | + |
| 132 | + private void removeSavedCart(final SavedCart savedCart) { |
| 133 | + handler.post(new Runnable() { |
| 134 | + @Override |
| 135 | + public void run() { |
| 136 | + savedCarts.remove(savedCart); |
| 137 | + save(); |
| 138 | + } |
| 139 | + }); |
| 140 | + } |
| 141 | +} |
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