finished up to part 6

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

@@ -2,7 +2,9 @@ package io.zipcoder.tc_spring_poll_application.controller;
 
 import io.zipcoder.tc_spring_poll_application.domain.Option;
 import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import io.zipcoder.tc_spring_poll_application.exception.ResourceNotFound;
 import io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
+import org.springframework.boot.context.config.ResourceNotFoundException;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -64,4 +66,12 @@ public class PollController {
         return new ResponseEntity<> (p, HttpStatus.OK);
     }
 
+
+    void verifyPoll(Long pollId) throws ResourceNotFoundException {
+                Poll poll = pollRepository.findOne(pollId);
+                if (poll == null){
+                        throw new ResourceNotFound("Poll with id "+ pollId + " not found");
+                    }
+            }
+
 }

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

@@ -29,15 +29,21 @@ public class VoteController {
             return new ResponseEntity<>(null, responseHeaders, HttpStatus.CREATED);
         }
 
+    @RequestMapping(value="/polls/votes", method=RequestMethod.GET)
+    public Iterable<Vote> getAllVotes() {
+        return voteRepository.findAll();
+    }
 
-    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);
+    @RequestMapping(value="/polls/{pollId}/votes", method=RequestMethod.GET)
+    public Iterable<Vote> getAllVotes(@PathVariable Long pollId) {
+        return voteRepository.findVotesByPoll(pollId);
     }
 
+
+
+
+
+
 }
 
 

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

@@ -0,0 +1,49 @@
+package io.zipcoder.tc_spring_poll_application.dto;
+
+import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import io.zipcoder.tc_spring_poll_application.repositories.VoteRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+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 java.util.HashMap;
+import java.util.Map;
+
+@RestController
+public class ComputeResultController {
+    private VoteRepository voteRepository;
+
+    @Autowired
+    public ComputeResultController(VoteRepository voteRepository) {
+        this.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
+
+        int totalVotes = 0;
+        Map<Long, OptionCount> tempMap = new HashMap<Long, OptionCount>();
+        for(Vote v : allVotes) {
+            totalVotes ++;
+            // Get the OptionCount corresponding to this Option
+            OptionCount optionCount = tempMap.get(v.getOption().getId());
+            if(optionCount == null) {
+                optionCount = new OptionCount();
+                optionCount.setOptionId(v.getOption().getId());
+                tempMap.put(v.getOption().getId(), optionCount);
+            }
+            optionCount.setCount(optionCount.getCount()+1);
+        }
+        voteResult.setTotalVotes(totalVotes);
+        voteResult.setResults(tempMap.values());
+        return new ResponseEntity<VoteResult>(voteResult, HttpStatus.OK);
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/dto/OptionCount.java

@@ -0,0 +1,26 @@
+package io.zipcoder.tc_spring_poll_application.dto;
+
+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/io/zipcoder/tc_spring_poll_application/dto/VoteResult.java

@@ -0,0 +1,25 @@
+package io.zipcoder.tc_spring_poll_application.dto;
+
+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/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java

@@ -0,0 +1,64 @@
+package io.zipcoder.tc_spring_poll_application.dto.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<>();
+
+
+    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;
+    }
+
+    public Map<String, List<ValidationError>> getErrors() {
+        return errors;
+    }
+
+    public void setErrors(Map<String, List<ValidationError>> errors) {
+        this.errors = errors;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java

@@ -0,0 +1,73 @@
+package io.zipcoder.tc_spring_poll_application.dto.error;
+
+import org.springframework.boot.context.config.ResourceNotFoundException;
+import org.springframework.context.MessageSource;
+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 org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+@ControllerAdvice
+public class RestExceptionHandler extends ResponseEntityExceptionHandler {
+
+    @Inject
+    private MessageSource messageSource;
+
+    @ExceptionHandler(ResourceNotFoundException.class)
+    @ResponseStatus
+    public ResponseEntity<?> handlerResourceNotFoundException(
+            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);
+    }
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public @ResponseBody
+    ErrorDetail handleValidationError(MethodArgumentNotValidException manve, HttpServletRequest request) {
+        ErrorDetail errorDetail = new ErrorDetail();
+        errorDetail.setTitle("Validation Failed");
+        errorDetail.setStatus(HttpStatus.BAD_REQUEST.value());
+        errorDetail.setDetail("Input validation failed");
+        errorDetail.setTimeStamp(new Date().getTime());
+        errorDetail.setDeveloperMessage(manve.getClass().getName());
+
+        String requestPath = (String) request.getAttribute("javax.servlet.error.request_uri");
+
+        if (requestPath == null) {
+            requestPath = request.getRequestURI();
+        }
+
+        List<FieldError> fieldErrors = manve.getBindingResult().getFieldErrors();
+        for (FieldError fe : fieldErrors) {
+            List<ValidationError> validationErrorList = errorDetail.getErrors().get(fe.getField());
+            if (validationErrorList == null) {
+                validationErrorList = new ArrayList<ValidationError>();
+                errorDetail.getErrors().put(fe.getField(), validationErrorList);
+            }
+            ValidationError validationError = new ValidationError();
+            validationError.setCode(fe.getCode());
+            validationError.setMessage(messageSource.getMessage(fe, null));
+            validationErrorList.add(validationError);
+
+        }
+        return errorDetail;
+    }
+}

src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java

@@ -0,0 +1,23 @@
+package io.zipcoder.tc_spring_poll_application.dto.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/exception/ResourceNotFound.java

@@ -0,0 +1,22 @@
+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 ResourceNotFound extends RuntimeException{
+
+
+
+    public ResourceNotFound(){
+
+    }
+
+    public ResourceNotFound(String message){
+        super(message);
+    }
+
+    public ResourceNotFound (String message, Throwable cause){
+        super(message, cause);
+    }
+}

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

@@ -1,8 +1,16 @@
 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);
+    }
+

src/resources/messages.properties

@@ -0,0 +1,2 @@
+NotEmpty.poll.question=Question is a required field
+Size.poll.options=Options must be greater than {2} and less than {1}