aef9ab1bb7
* docs: es6ify docs -> var -> const / let * docs: apply arrow functions throughout all of the docs
121 lines
4.1 KiB
Markdown
121 lines
4.1 KiB
Markdown
# In-App Purchase (macOS)
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## Preparing
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### Paid Applications Agreement
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If you haven't already, you’ll need to sign the Paid Applications Agreement and set up your banking and tax information in iTunes Connect.
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[iTunes Connect Developer Help: Agreements, tax, and banking overview](https://help.apple.com/itunes-connect/developer/#/devb6df5ee51)
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### Create Your In-App Purchases
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Then, you'll need to configure your in-app purchases in iTunes Connect, and include details such as name, pricing, and description that highlights the features and functionality of your in-app purchase.
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[iTunes Connect Developer Help: Create an in-app purchase](https://help.apple.com/itunes-connect/developer/#/devae49fb316)
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### Change the CFBundleIdentifier
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To test In-App Purchase in development with Electron you'll have to change the `CFBundleIdentifier` in `node_modules/electron/dist/Electron.app/Contents/Info.plist`. You have to replace `com.github.electron` by the bundle identifier of the application you created with iTunes Connect.
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```xml
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<key>CFBundleIdentifier</key>
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<string>com.example.app</string>
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```
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## Code example
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Here is an example that shows how to use In-App Purchases in Electron. You'll have to replace the product ids by the identifiers of the products created with iTunes Connect (the identifier of `com.example.app.product1` is `product1`). Note that you have to listen to the `transactions-updated` event as soon as possible in your app.
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```javascript
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const { inAppPurchase } = require('electron').remote
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const PRODUCT_IDS = ['id1', 'id2']
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// Listen for transactions as soon as possible.
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inAppPurchase.on('transactions-updated', (event, transactions) => {
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if (!Array.isArray(transactions)) {
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return
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}
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// Check each transaction.
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transactions.forEach(function (transaction) {
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let payment = transaction.payment
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switch (transaction.transactionState) {
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case 'purchasing':
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console.log(`Purchasing ${payment.productIdentifier}...`)
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break
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case 'purchased':
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console.log(`${payment.productIdentifier} purchased.`)
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// Get the receipt url.
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let receiptURL = inAppPurchase.getReceiptURL()
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console.log(`Receipt URL: ${receiptURL}`)
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// Submit the receipt file to the server and check if it is valid.
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// @see https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateRemotely.html
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// ...
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// If the receipt is valid, the product is purchased
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// ...
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// Finish the transaction.
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inAppPurchase.finishTransactionByDate(transaction.transactionDate)
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break
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case 'failed':
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console.log(`Failed to purchase ${payment.productIdentifier}.`)
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// Finish the transaction.
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inAppPurchase.finishTransactionByDate(transaction.transactionDate)
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break
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case 'restored':
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console.log(`The purchase of ${payment.productIdentifier} has been restored.`)
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break
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case 'deferred':
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console.log(`The purchase of ${payment.productIdentifier} has been deferred.`)
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break
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default:
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break
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}
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})
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})
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// Check if the user is allowed to make in-app purchase.
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if (!inAppPurchase.canMakePayments()) {
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console.log('The user is not allowed to make in-app purchase.')
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}
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// Retrieve and display the product descriptions.
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inAppPurchase.getProducts(PRODUCT_IDS).then(products => {
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// Check the parameters.
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if (!Array.isArray(products) || products.length <= 0) {
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console.log('Unable to retrieve the product informations.')
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return
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}
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// Display the name and price of each product.
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products.forEach(product => {
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console.log(`The price of ${product.localizedTitle} is ${product.formattedPrice}.`)
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})
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// Ask the user which product he/she wants to purchase.
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let selectedProduct = products[0]
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let selectedQuantity = 1
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// Purchase the selected product.
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inAppPurchase.purchaseProduct(selectedProduct.productIdentifier, selectedQuantity).then(isProductValid => {
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if (!isProductValid) {
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console.log('The product is not valid.')
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return
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}
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console.log('The payment has been added to the payment queue.')
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})
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})
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```
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