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First proposal

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This commit is contained in:
Agustí Becerra Milà 2018-07-01 16:29:07 +02:00
parent c7f9266768
commit ae07423470
3 changed files with 122 additions and 83 deletions
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89
hexagonal/src/main/java/com/iluwatar/hexagonal/service/ConsoleLottery.java
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@ -25,21 +25,12 @@ package com.iluwatar.hexagonal.service;
import com.google.inject.Guice; import com.google.inject.Guice;
import com.google.inject.Injector; import com.google.inject.Injector;
import com.iluwatar.hexagonal.banking.WireTransfers; import com.iluwatar.hexagonal.banking.WireTransfers;
import com.iluwatar.hexagonal.domain.LotteryNumbers;
import com.iluwatar.hexagonal.domain.LotteryService;
import com.iluwatar.hexagonal.domain.LotteryTicket;
import com.iluwatar.hexagonal.domain.LotteryTicketCheckResult;
import com.iluwatar.hexagonal.domain.LotteryTicketId;
import com.iluwatar.hexagonal.domain.PlayerDetails;
import com.iluwatar.hexagonal.module.LotteryModule; import com.iluwatar.hexagonal.module.LotteryModule;
import com.iluwatar.hexagonal.mongo.MongoConnectionPropertiesLoader; import com.iluwatar.hexagonal.mongo.MongoConnectionPropertiesLoader;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import java.util.HashSet;
import java.util.Optional;
import java.util.Scanner; import java.util.Scanner;
import java.util.Set;
/** /**
* Console interface for lottery players * Console interface for lottery players
@ -54,21 +45,22 @@ public class ConsoleLottery {
public static void main(String[] args) { public static void main(String[] args) {
MongoConnectionPropertiesLoader.load(); MongoConnectionPropertiesLoader.load();
Injector injector = Guice.createInjector(new LotteryModule()); Injector injector = Guice.createInjector(new LotteryModule());
LotteryService service = injector.getInstance(LotteryService.class); com.iluwatar.hexagonal.domain.LotteryService service = injector.getInstance( com.iluwatar.hexagonal.domain.LotteryService.class);
WireTransfers bank = injector.getInstance(WireTransfers.class); WireTransfers bank = injector.getInstance(WireTransfers.class);
try (final Scanner scanner = new Scanner(System.in)) { try (final Scanner scanner = new Scanner(System.in)) {
boolean exit = false; boolean exit = false;
while (!exit) { while (!exit) {
printMainMenu(); printMainMenu();
String cmd = readString(scanner); String cmd = readString(scanner);
LotteryService lotteryService = new LotteryServiceImpl(LOGGER);
if ("1".equals(cmd)) { if ("1".equals(cmd)) {
queryLotteryAccountFunds(bank, scanner); lotteryService.queryLotteryAccountFunds(bank, scanner);
} else if ("2".equals(cmd)) { } else if ("2".equals(cmd)) {
addFundsToLotteryAccount(bank, scanner); lotteryService.addFundsToLotteryAccount(bank, scanner);
} else if ("3".equals(cmd)) { } else if ("3".equals(cmd)) {
submitTicket(service, scanner); lotteryService.submitTicket(service, scanner);
} else if ("4".equals(cmd)) { } else if ("4".equals(cmd)) {
checkTicket(service, scanner); lotteryService.checkTicket(service, scanner);
} else if ("5".equals(cmd)) { } else if ("5".equals(cmd)) {
exit = true; exit = true;
} else { } else {
@ -78,75 +70,6 @@ public class ConsoleLottery {
} }
} }
private static void checkTicket(LotteryService service, Scanner scanner) {
LOGGER.info("What is the ID of the lottery ticket?");
String id = readString(scanner);
LOGGER.info("Give the 4 comma separated winning numbers?");
String numbers = readString(scanner);
try {
String[] parts = numbers.split(",");
Set<Integer> winningNumbers = new HashSet<>();
for (int i = 0; i < 4; i++) {
winningNumbers.add(Integer.parseInt(parts[i]));
}
LotteryTicketCheckResult result = service.checkTicketForPrize(
new LotteryTicketId(Integer.parseInt(id)), LotteryNumbers.create(winningNumbers));
if (result.getResult().equals(LotteryTicketCheckResult.CheckResult.WIN_PRIZE)) {
LOGGER.info("Congratulations! The lottery ticket has won!");
} else if (result.getResult().equals(LotteryTicketCheckResult.CheckResult.NO_PRIZE)) {
LOGGER.info("Unfortunately the lottery ticket did not win.");
} else {
LOGGER.info("Such lottery ticket has not been submitted.");
}
} catch (Exception e) {
LOGGER.info("Failed checking the lottery ticket - please try again.");
}
}
private static void submitTicket(LotteryService service, Scanner scanner) {
LOGGER.info("What is your email address?");
String email = readString(scanner);
LOGGER.info("What is your bank account number?");
String account = readString(scanner);
LOGGER.info("What is your phone number?");
String phone = readString(scanner);
PlayerDetails details = new PlayerDetails(email, account, phone);
LOGGER.info("Give 4 comma separated lottery numbers?");
String numbers = readString(scanner);
try {
String[] parts = numbers.split(",");
Set<Integer> chosen = new HashSet<>();
for (int i = 0; i < 4; i++) {
chosen.add(Integer.parseInt(parts[i]));
}
LotteryNumbers lotteryNumbers = LotteryNumbers.create(chosen);
LotteryTicket lotteryTicket = new LotteryTicket(new LotteryTicketId(), details, lotteryNumbers);
Optional<LotteryTicketId> id = service.submitTicket(lotteryTicket);
if (id.isPresent()) {
LOGGER.info("Submitted lottery ticket with id: {}", id.get());
} else {
LOGGER.info("Failed submitting lottery ticket - please try again.");
}
} catch (Exception e) {
LOGGER.info("Failed submitting lottery ticket - please try again.");
}
}
private static void addFundsToLotteryAccount(WireTransfers bank, Scanner scanner) {
LOGGER.info("What is the account number?");
String account = readString(scanner);
LOGGER.info("How many credits do you want to deposit?");
String amount = readString(scanner);
bank.setFunds(account, Integer.parseInt(amount));
LOGGER.info("The account {} now has {} credits.", account, bank.getFunds(account));
}
private static void queryLotteryAccountFunds(WireTransfers bank, Scanner scanner) {
LOGGER.info("What is the account number?");
String account = readString(scanner);
LOGGER.info("The account {} has {} credits.", account, bank.getFunds(account));
}
private static void printMainMenu() { private static void printMainMenu() {
LOGGER.info(""); LOGGER.info("");
LOGGER.info("### Lottery Service Console ###"); LOGGER.info("### Lottery Service Console ###");

17
hexagonal/src/main/java/com/iluwatar/hexagonal/service/LotteryService.java Normal file
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@ -0,0 +1,17 @@
package com.iluwatar.hexagonal.service;
import com.iluwatar.hexagonal.banking.WireTransfers;
import java.util.Scanner;
public interface LotteryService {
void checkTicket(com.iluwatar.hexagonal.domain.LotteryService service, Scanner scanner);
void submitTicket(com.iluwatar.hexagonal.domain.LotteryService service, Scanner scanner);
void addFundsToLotteryAccount(WireTransfers bank, Scanner scanner);
void queryLotteryAccountFunds(WireTransfers bank, Scanner scanner);
}

99
hexagonal/src/main/java/com/iluwatar/hexagonal/service/LotteryServiceImpl.java Normal file
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@ -0,0 +1,99 @@
package com.iluwatar.hexagonal.service;
import com.iluwatar.hexagonal.banking.WireTransfers;
import com.iluwatar.hexagonal.domain.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashSet;
import java.util.Optional;
import java.util.Scanner;
import java.util.Set;
public class LotteryServiceImpl implements LotteryService {
private final Logger logger;
public LotteryServiceImpl(Logger logger) {
this.logger = logger;
}
@Override
public void checkTicket(com.iluwatar.hexagonal.domain.LotteryService service, Scanner scanner) {
logger.info("What is the ID of the lottery ticket?");
String id = readString(scanner);
logger.info("Give the 4 comma separated winning numbers?");
String numbers = readString(scanner);
try {
String[] parts = numbers.split(",");
Set<Integer> winningNumbers = new HashSet<>();
for (int i = 0; i < 4; i++) {
winningNumbers.add(Integer.parseInt(parts[i]));
}
LotteryTicketCheckResult result = service.checkTicketForPrize(
new LotteryTicketId(Integer.parseInt(id)), LotteryNumbers.create(winningNumbers));
if (result.getResult().equals(LotteryTicketCheckResult.CheckResult.WIN_PRIZE)) {
logger.info("Congratulations! The lottery ticket has won!");
} else if (result.getResult().equals(LotteryTicketCheckResult.CheckResult.NO_PRIZE)) {
logger.info("Unfortunately the lottery ticket did not win.");
} else {
logger.info("Such lottery ticket has not been submitted.");
}
} catch (Exception e) {
logger.info("Failed checking the lottery ticket - please try again.");
}
}
@Override
public void submitTicket(com.iluwatar.hexagonal.domain.LotteryService service, Scanner scanner) {
logger.info("What is your email address?");
String email = readString(scanner);
logger.info("What is your bank account number?");
String account = readString(scanner);
logger.info("What is your phone number?");
String phone = readString(scanner);
PlayerDetails details = new PlayerDetails(email, account, phone);
logger.info("Give 4 comma separated lottery numbers?");
String numbers = readString(scanner);
try {
String[] parts = numbers.split(",");
Set<Integer> chosen = new HashSet<>();
for (int i = 0; i < 4; i++) {
chosen.add(Integer.parseInt(parts[i]));
}
LotteryNumbers lotteryNumbers = LotteryNumbers.create(chosen);
LotteryTicket lotteryTicket = new LotteryTicket(new LotteryTicketId(), details, lotteryNumbers);
Optional<LotteryTicketId> id = service.submitTicket(lotteryTicket);
if (id.isPresent()) {
logger.info("Submitted lottery ticket with id: {}", id.get());
} else {
logger.info("Failed submitting lottery ticket - please try again.");
}
} catch (Exception e) {
logger.info("Failed submitting lottery ticket - please try again.");
}
}
@Override
public void addFundsToLotteryAccount(WireTransfers bank, Scanner scanner) {
logger.info("What is the account number?");
String account = readString(scanner);
logger.info("How many credits do you want to deposit?");
String amount = readString(scanner);
bank.setFunds(account, Integer.parseInt(amount));
logger.info("The account {} now has {} credits.", account, bank.getFunds(account));
}
@Override
public void queryLotteryAccountFunds(WireTransfers bank, Scanner scanner) {
logger.info("What is the account number?");
String account = readString(scanner);
logger.info("The account {} has {} credits.", account, bank.getFunds(account));
}
private String readString(Scanner scanner) {
System.out.print("> ");
return scanner.next();
}
}