first commit

src/main/java/io/zipcoder/controller/AccountController.java

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+package io.zipcoder.controller;
+
+public class AccountController {
+}

src/main/java/io/zipcoder/controller/BillController.java

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+package io.zipcoder.controller;
+
+public class BillController {
+}

src/main/java/io/zipcoder/controller/CustomerController.java

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+package io.zipcoder.controller;
+
+import io.zipcoder.domain.Customer;
+import io.zipcoder.service.CustomerService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.inject.Inject;
+
+// not concerned with logic
+// request deferred to the service which takes care of the logic
+// receive requests and map them
+
+@RestController
+public class CustomerController {
+
+    @Inject
+    private CustomerService customerService;
+
+    @RequestMapping(value="/accounts/{customerId}/customer", method = RequestMethod.GET)
+    public ResponseEntity<Customer> lookUpByAccountId(@PathVariable long accountId) {
+        Customer result = customerService.findByAccountId(accountId);
+        return new ResponseEntity<>(result, HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/customers", method = RequestMethod.GET)
+    public ResponseEntity<?> listAllCustomers() {
+        return new ResponseEntity<Iterable<Customer>>(customerService.findAllCustomers(), HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/customers/{id}")
+    public ResponseEntity<?> lookUpById(@PathVariable long id) {
+        return new ResponseEntity<>(customerService.findByCustomerId(id), HttpStatus.OK);
+    }
+
+
+}

src/main/java/io/zipcoder/controller/DepositController.java

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+package io.zipcoder.controller;
+
+public class DepositController {
+}

src/main/java/io/zipcoder/controller/WithdrawalsController.java

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+package io.zipcoder.controller;
+
+public class WithdrawalsController {
+}

src/main/java/io/zipcoder/domain/Account.java

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+package io.zipcoder.domain;
+
+public class Account {
+}

src/main/java/io/zipcoder/domain/Address.java

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+package io.zipcoder.domain;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+public class Address {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String streetNumber;
+    private String streetName;
+    private String city;
+    private String state;
+    private String zip;
+}

src/main/java/io/zipcoder/domain/Bill.java

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+package io.zipcoder.domain;
+
+public class Bill {
+}

src/main/java/io/zipcoder/domain/Customer.java

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+package io.zipcoder.domain;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.TreeSet;
+
+public class Customer {
+    @Id
+    @GeneratedValue
+    private long id;
+    private String firstName;
+    private String lastName;
+    @OneToMany
+    private Set<Address> addresses = new TreeSet<>();
+
+
+
+    public Customer(long id, String firstName, String lastName) {
+        this.id = id;
+        this.firstName = firstName;
+        this.lastName = lastName;
+
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public void addAddresst(Address address) {
+        addresses.add(address);
+    }
+
+    public Iterable<Address> getAddresses() {
+        return Collections.unmodifiableSet(addresses);
+    }
+}

src/main/java/io/zipcoder/domain/Deposit.java

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+package io.zipcoder.domain;
+
+public class Deposit {
+}

src/main/java/io/zipcoder/domain/Withdrawals.java

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+package io.zipcoder.domain;
+
+public class Withdrawals {
+}

src/main/java/io/zipcoder/repositories/AccountRepository.java

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+package io.zipcoder.repositories;
+
+public interface AccountRepository {
+}

src/main/java/io/zipcoder/repositories/Address.java

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+package io.zipcoder.repositories;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface Address extends JpaRepository<Address, Long> {
+}

src/main/java/io/zipcoder/repositories/BillRepository.java

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+package io.zipcoder.repositories;
+
+public interface BillRepository {
+}

src/main/java/io/zipcoder/repositories/CustomerRepository.java

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+package io.zipcoder.repositories;
+
+import io.zipcoder.domain.Address;
+import io.zipcoder.domain.Customer;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
+
+
+public interface CustomerRepository extends JpaRepository<Customer, Long> {
+
+    Customer findCustomerByAccountId(long id);
+
+    List<Customer> findAll();
+
+    Customer findCustomerById(long id);
+
+}

src/main/java/io/zipcoder/repositories/DepositRepository.java

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+package io.zipcoder.repositories;
+
+public interface DepositRepository {
+}

src/main/java/io/zipcoder/repositories/WithdrawalRepository.java

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+package io.zipcoder.repositories;
+
+public interface WithdrawalRepository {
+}

src/main/java/io/zipcoder/service/AccountService.java

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+package io.zipcoder.service;
+
+public class AccountService {
+}

src/main/java/io/zipcoder/service/BillService.java

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+package io.zipcoder.service;
+
+public class BillService {
+}

src/main/java/io/zipcoder/service/CustomerService.java

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+package io.zipcoder.service;
+
+import io.zipcoder.domain.Customer;
+import io.zipcoder.repositories.CustomerRepository;
+import org.apache.tomcat.jdbc.pool.DataSource;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.session.SessionProperties;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class CustomerService {
+
+
+    @Autowired
+    private CustomerRepository customerRepository;
+
+    public Customer findByAccountId(long accountId) {
+        return customerRepository.findCustomerByAccountId(accountId);
+    }
+
+    public List<Customer> findAllCustomers() {
+        return customerRepository.findAll();
+    }
+
+    public Customer findByCustomerId(long id) {
+        return customerRepository.findCustomerById(id);
+    }
+}

src/main/java/io/zipcoder/service/DepositService.java

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+package io.zipcoder.service;
+
+public class DepositService {
+}

src/main/java/io/zipcoder/service/WithdrawalsService.java

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+package io.zipcoder.service;
+
+public class WithdrawalsService {
+}