on part 5, getError method part

src/main/java/dtos/OptionCount.java

+package dtos;
+
+public class OptionCount {
+
+    private Long optionId;
+    private int count;
+
+    public Long getOptionId() {
+        return optionId;
+    }
+
+    public void setOptionId(Long optionId) {
+        this.optionId = optionId;
+    }
+
+    public int getCount() {
+        return count;
+    }
+
+    public void setCount(int count) {
+        this.count = count;
+    }
+
+}

src/main/java/dtos/VoteResult.java

+package dtos;
+
+import java.util.Collection;
+
+public class VoteResult {
+
+    private int totalVotes;
+    private Collection<OptionCount> results;
+
+    public int getTotalVotes() {
+        return totalVotes;
+    }
+
+    public void setTotalVotes(int totalVotes) {
+        this.totalVotes = totalVotes;
+    }
+
+    public Collection<OptionCount> getResults() {
+        return results;
+    }
+
+    public void setResults(Collection<OptionCount> results) {
+        this.results = results;
+    }
+}

src/main/java/dtos/error/ErrorDetail.java

+package dtos.error;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class ErrorDetail {
+
+    private String title;
+    private int status;
+    private String detail;
+    private long timeStamp;
+    private String developerMessage;
+    private Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public int getStatus() {
+        return status;
+    }
+
+    public void setStatus(int status) {
+        this.status = status;
+    }
+
+    public String getDetail() {
+        return detail;
+    }
+
+    public void setDetail(String detail) {
+        this.detail = detail;
+    }
+
+    public long getTimeStamp() {
+        return timeStamp;
+    }
+
+    public void setTimeStamp(long timeStamp) {
+        this.timeStamp = timeStamp;
+    }
+
+    public String getDeveloperMessage() {
+        return developerMessage;
+    }
+
+    public void setDeveloperMessage(String developerMessage) {
+        this.developerMessage = developerMessage;
+    }
+}

src/main/java/dtos/error/RestExceptionHandler.java

+package dtos.error;
+
+import io.zipcoder.tc_spring_poll_application.exception.ResourceNotFoundException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Date;
+import java.util.List;
+
+@ControllerAdvice
+public class RestExceptionHandler {
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<?> handleValidationError(MethodArgumentNotValidException manve, HttpServletRequest request){
+
+        ErrorDetail errorDetail = new ErrorDetail();
+        //Populate
+        errorDetail.setTimeStamp(new Date().getTime());
+        errorDetail.setStatus(HttpStatus.BAD_REQUEST.value());
+        String requestPath = (String) request.getAttribute("javax.servlet.error.request_uri");
+        if(requestPath == null){
+            requestPath = request.getRequestURI();
+        }
+        errorDetail.setTitle("Validation Failed");
+        errorDetail.setDetail("Input validation failed");
+        errorDetail.setDeveloperMessage(manve.getClass().getName());
+
+        //Create Validation Error instances
+        List<FieldError> fieldErrors = manve.getBindingResult().getFieldErrors();
+        for(FieldError fe: fieldErrors){
+            List<ValidationError> validationErrorList = errorDetail.getErrors().get(fe.getField());
+
+        }
+    }
+
+
+//    @ExceptionHandler(ResourceNotFoundException.class)
+//    public ResponseEntity<?> handleResourceNotFoundException(ResourceNotFoundException rnfe, HttpServletRequest request) {
+//
+//        ErrorDetail errorDetail = new ErrorDetail();
+//        errorDetail.setTimeStamp(new Date().getTime());
+//        errorDetail.setStatus(HttpStatus.NOT_FOUND.value());
+//        errorDetail.setTitle("Resource Not Found");
+//        errorDetail.setDetail(rnfe.getMessage());
+//        errorDetail.setDeveloperMessage(rnfe.getClass().getName());
+//        return new ResponseEntity<>(errorDetail, null, HttpStatus.NOT_FOUND);
+//        }
+
+
+
+
+}

src/main/java/dtos/error/ValidationError.java

+package dtos.error;
+
+public class ValidationError {
+
+    private String code;
+    private String message;
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/controller/ComputeResultController.java

+package io.zipcoder.tc_spring_poll_application.controller;
+
+
+import dtos.VoteResult;
+import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import io.zipcoder.tc_spring_poll_application.repositories.VoteRepository;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.inject.Inject;
+
+@RestController
+public class ComputeResultController {
+
+    @Inject
+    private VoteRepository voteRepository;
+
+    @RequestMapping(value = "/computeresult", method = RequestMethod.GET)
+    public ResponseEntity<?> computeResult(@RequestParam Long pollId) {
+        VoteResult voteResult = new VoteResult();
+        Iterable<Vote> allVotes = voteRepository.findVotesByPoll(pollId);
+
+        //TODO: Implement algorithm to count votes
+        return new ResponseEntity<VoteResult>(voteResult, HttpStatus.OK);
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java

 package io.zipcoder.tc_spring_poll_application.controller;
 
 import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import io.zipcoder.tc_spring_poll_application.exception.ResourceNotFoundException;
 import io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpHeaders;
 
 
 import javax.inject.Inject;
+import javax.validation.Valid;
 import java.net.URI;
 
 @RestController
     }
 
     @RequestMapping(value="/polls", method=RequestMethod.POST)
-    public ResponseEntity<?> createPoll(@RequestBody Poll poll) {
+    public ResponseEntity<?> createPoll(@Valid @RequestBody Poll poll) {
         poll = pollRepository.save(poll);
 
         HttpHeaders responseHeaders = new HttpHeaders();
     }
 
 
-
+    public void verifyPoll(Long pollId){
+        if (pollRepository.findOne(pollId) == null){
+                        throw new ResourceNotFoundException();
+        }
+    }
 
 
 

src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java

 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
 
+import javax.inject.Inject;
+
 @RestController
 public class VoteController {
 
         return new ResponseEntity<>(null, responseHeaders, HttpStatus.CREATED);
     }
 
+    @RequestMapping(value="/polls/votes", method=RequestMethod.GET)
+    public Iterable<Vote> getAllVotes() {
+        return voteRepository.findAll();
+    }
+
+    @RequestMapping(value="/polls/{pollId}/votes", method=RequestMethod.GET)
+    public Iterable<Vote> getVote(@PathVariable Long pollId) {
+        return voteRepository.findVotesByPoll(pollId);
+    }
+
 
 }

src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java

     @Column(name="OPTION_VALUE")
     private String value;
 
+    public Option () {}
+
     public Long getId() {
         return id;
     }

src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java

 package io.zipcoder.tc_spring_poll_application.domain;
 
+import org.hibernate.validator.constraints.NotEmpty;
+
 import javax.persistence.*;
+import javax.validation.constraints.Size;
 import java.util.Set;
 
 @Entity
     private Long id;
 
     @Column(name = "QUESTION")
+    @NotEmpty
     private String question;
 
     @OneToMany(cascade=CascadeType.ALL)
     @JoinColumn(name = "POLL_ID")
     @OrderBy
+    @Size(min=2, max=6)
     private Set<Option> options;
 
 

src/main/java/io/zipcoder/tc_spring_poll_application/exception/ResourceNotFoundException.java

+package io.zipcoder.tc_spring_poll_application.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.NOT_FOUND)
+public class ResourceNotFoundException extends RuntimeException{
+
+    public ResourceNotFoundException(){}
+
+    ResourceNotFoundException(String message){
+        super(message);
+    }
+
+    ResourceNotFoundException(String message, Throwable cause){
+        super(message, cause);
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java

 package io.zipcoder.tc_spring_poll_application.repositories;
 
 import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
 
 public interface VoteRepository extends CrudRepository<Vote, Long> {
 
+    @Query(value = "SELECT v.* " +
+            "FROM Option o, Vote v " +
+            "WHERE o.POLL_ID = ?1 " +
+            "AND v.OPTION_ID = o.OPTION_ID", nativeQuery = true)
+    public Iterable<Vote> findVotesByPoll(Long pollId);
+
+
 }