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Commit 7879901

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TobyNartowskiTobyNartowski
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PayPal integration added
1 parent ea5df71 commit 7879901

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+293
-2
lines changed

7 files changed

+293
-2
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‎pom.xml‎

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@@ -10,7 +10,7 @@
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</parent>
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<groupId>pl.simplemethod</groupId>
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<artifactId>codebin</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<version>1.0-SNAPSHOT</version>
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<name>codebin</name>
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<description>Demo project for Spring Boot</description>
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<artifactId>commons-dbcp2</artifactId>
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<version>2.0</version>
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</dependency>
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<dependency>
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<groupId>com.paypal.sdk</groupId>
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<artifactId>rest-api-sdk</artifactId>
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<version>LATEST</version>
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</dependency>
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</dependencies>
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<build>

‎src/main/java/pl/simplemethod/codebin/paypal/PayPalBillingAgreement.java‎

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package pl.simplemethod.codebin.paypal;
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import com.paypal.api.payments.Agreement;
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import com.paypal.api.payments.Links;
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import com.paypal.api.payments.Payer;
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import com.paypal.api.payments.Plan;
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import com.paypal.base.rest.APIContext;
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import com.paypal.base.rest.PayPalRESTException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.lang.NonNull;
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import org.springframework.stereotype.Component;
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import java.io.UnsupportedEncodingException;
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import java.net.MalformedURLException;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Locale;
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import java.util.TimeZone;
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@Component
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public class PayPalBillingAgreement {
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private APIContext apiContext;
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@Autowired
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public PayPalBillingAgreement(APIContext apiContext) {
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this.apiContext = apiContext;
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}
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/**
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* Returns date in ISO 8601 format
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* @param date Date java object
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* @return Date in ISO 8601 format
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*/
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private static String getDate(Date date) {
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DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
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dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
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return dateFormat.format(date);
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}
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/**
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* Define an agreement for paypal subscription
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* @param id Created plan id
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* @return Agreement object that can be used to create an agreement
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*/
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public Agreement define(@NonNull String id) {
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Date date = new Date();
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Calendar c = Calendar.getInstance();
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c.setTime(date);
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c.add(Calendar.DATE, 1);
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date = c.getTime();
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Agreement agreement = new Agreement();
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agreement.setName("Codebin agreement");
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agreement.setDescription("Codebin subscription agreement");
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agreement.setStartDate(getDate(date));
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Plan plan = new Plan();
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plan.setId(id);
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agreement.setPlan(plan);
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Payer payer = new Payer();
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payer.setPaymentMethod("paypal");
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agreement.setPayer(payer);
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return agreement;
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}
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/**
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* Creates defined agreement which is passed in param
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* @param agreement Defined agreement
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* @return URL to be redirected
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* @throws PayPalRESTException When approval_url cannot be find
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* @throws MalformedURLException When URL to be redirected is malformed
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* @throws UnsupportedEncodingException When there is a unsupported encoding used
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*/
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public String create(@NonNull Agreement agreement)
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throws PayPalRESTException, MalformedURLException, UnsupportedEncodingException {
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agreement = agreement.create(apiContext);
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for (Links link : agreement.getLinks()) {
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if (link.getRel().equalsIgnoreCase("approval_url")) {
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return link.getHref();
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}
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}
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throw new PayPalRESTException("approval_url not found");
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}
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/**
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* Executes created agreement
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* @param token Token which is passed in request parameter after successfull redirection
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* @throws PayPalRESTException When agreement cannot be exeucted
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*/
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public void execute(@NonNull String token) throws PayPalRESTException {
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Agreement agreement = new Agreement();
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agreement.setToken(token);
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Agreement.execute(apiContext, agreement.getToken());
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}
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}

‎src/main/java/pl/simplemethod/codebin/paypal/PayPalBillingPlan.java‎

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package pl.simplemethod.codebin.paypal;
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import com.paypal.api.payments.*;
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import com.paypal.base.rest.APIContext;
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import com.paypal.base.rest.PayPalRESTException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Component
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public class PayPalBillingPlan {
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private APIContext apiContext;
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@Autowired
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public PayPalBillingPlan(APIContext apiContext) {
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this.apiContext = apiContext;
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}
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private static final String CANCEL_URL = "http://localhost/subscribe-failure";
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private static final String PROCESS_URL = "http://localhost/subscribe-success";
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/**
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* Creates a plan to billing plan
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* @return Created billing plan
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* @throws PayPalRESTException When some parameters are wrong
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*/
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public Plan create() throws PayPalRESTException {
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Plan plan = new Plan();
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plan.setName("Codebin Premium");
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plan.setDescription("Codebin premium plan");
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plan.setType("fixed");
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PaymentDefinition paymentDefinition = new PaymentDefinition();
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paymentDefinition.setName("Codebin Subscription");
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paymentDefinition.setType("REGULAR");
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paymentDefinition.setFrequency("MONTH");
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paymentDefinition.setFrequencyInterval("1");
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paymentDefinition.setCycles("12");
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Currency currency = new Currency();
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currency.setCurrency("USD");
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currency.setValue("9.95");
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paymentDefinition.setAmount(currency);
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ChargeModels chargeModels = new ChargeModels();
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chargeModels.setType("TAX");
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chargeModels.setAmount(currency);
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List<ChargeModels> chargeModelsList = new ArrayList<>();
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chargeModelsList.add(chargeModels);
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paymentDefinition.setChargeModels(chargeModelsList);
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List<PaymentDefinition> paymentDefinitions = new ArrayList<>();
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paymentDefinitions.add(paymentDefinition);
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plan.setPaymentDefinitions(paymentDefinitions);
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MerchantPreferences merchantPreferences = new MerchantPreferences();
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merchantPreferences.setSetupFee(currency);
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merchantPreferences.setCancelUrl(CANCEL_URL);
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merchantPreferences.setReturnUrl(PROCESS_URL);
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merchantPreferences.setMaxFailAttempts("0");
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merchantPreferences.setAutoBillAmount("YES");
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merchantPreferences.setInitialFailAmountAction("CONTINUE");
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plan.setMerchantPreferences(merchantPreferences);
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Plan createdPlan = plan.create(apiContext);
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List<Patch> patchRequests = new ArrayList<>();
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Map<String, String> values = new HashMap<>();
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values.put("state", "ACTIVE");
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Patch patch = new Patch();
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patch.setPath("/");
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patch.setValue(values);
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patch.setOp("replace");
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patchRequests.add(patch);
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createdPlan.update(apiContext, patchRequests);
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return createdPlan;
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}
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}

‎src/main/java/pl/simplemethod/codebin/paypal/PayPalConfig.java‎

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package pl.simplemethod.codebin.paypal;
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import com.paypal.base.rest.APIContext;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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public class PayPalConfig {
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@Value("${paypal.client.app}")
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private String clientId;
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@Value("${paypal.client.secret}")
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private String clientSecret;
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@Value("${paypal.mode}")
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private String mode;
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/**
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* Creating API context
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* @return Created API context from provided client id and client secret
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*/
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@Bean
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public APIContext getContext() {
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return new APIContext(clientId, clientSecret, mode);
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}
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}

‎src/main/java/pl/simplemethod/codebin/paypal/PayPalController.java‎

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package pl.simplemethod.codebin.paypal;
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import com.paypal.api.payments.Agreement;
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import com.paypal.api.payments.Plan;
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import com.paypal.base.rest.PayPalRESTException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.io.UnsupportedEncodingException;
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import java.net.MalformedURLException;
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@RestController
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public class PayPalController {
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private PayPalBillingPlan payPalBillingPlan;
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private PayPalBillingAgreement payPalBillingAgreement;
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@Autowired
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public PayPalController(PayPalBillingPlan payPalBillingPlan, PayPalBillingAgreement payPalBillingAgreement) {
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this.payPalBillingPlan = payPalBillingPlan;
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this.payPalBillingAgreement = payPalBillingAgreement;
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}
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/**
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* Define and create billing plan and billing agreement.
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* Redirects response to successful or unsuccessful URL
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*/
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@GetMapping("/subscribe")
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public void subscribe() {
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try {
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Plan plan = payPalBillingPlan.create();
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Agreement agreement = payPalBillingAgreement.define(plan.getId());
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String redirect = payPalBillingAgreement.create(agreement);
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// TODO: 02/06/2019 REDIRECT to redirect url
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} catch (PayPalRESTException e) {
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System.err.println(e.getDetails());
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} catch (MalformedURLException | UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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}
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/**
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* Executes successfully created billing agreement
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* @param token Token which is automatically assigned to billing agreement
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*/
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@GetMapping("/subscribe-success")
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public void success(@RequestParam String token) {
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try {
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payPalBillingAgreement.execute(token);
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} catch (PayPalRESTException e) {
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System.err.println(e.getDetails());
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}
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}
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}

‎src/main/resources/application.properties‎

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spring.datasource.password=Szk0lna17
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spring.jpa.generate-ddl=true
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spring.jpa.hibernate.ddl-auto=none
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spring.jpa.show-sql=true
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spring.jpa.show-sql=true
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#---------------------------------------------------
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# PAYPAL PROPERTIES
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#---------------------------------------------------
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paypal.client.app=Aa8pCy_73bPjrlYGnFvAoxcqrL-7CGkiLKvQyXa3YsfWz1FlamqVXr5Uwynf-fnor10r5qquqbTgOjOi
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paypal.client.secret=EJ4V-JLYv_g26ppiFraOCq2s88ytpJgk2bVhTAMHIax6f0E1zodxY4LyC1bAPG6cXalJTF2gIPlS0XfE
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paypal.mode=sandbox

‎src/main/resources/banner.txt‎

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____ _ _ _ _ ___
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/ ___|___ __| | ___| |__ (_)_ __ __ _/ | / _ \
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| | / _ \ / _` |/ _ \ '_ \| | '_ \ \ \ / / || | | |
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| |__| (_) | (_| | __/ |_) | | | | | \ V /| || |_| |
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\____\___/ \__,_|\___|_.__/|_|_| |_| \_/ |_(_)___/
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