Complete

src/main/java/dtos/OptionCount.java

@@ -0,0 +1,23 @@
+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

@@ -0,0 +1,24 @@
+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

@@ -0,0 +1,61 @@
+package dtos.error;
+
+import java.util.List;
+import java.util.Map;
+
+public class ErrorDetail {
+    String title;
+    int status;
+    String detail;
+    long timeStamp;
+    String developerMessage;
+    Map<String, List<ValidationError>> errors;
+
+    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/dtos/error/ValidationError.java

@@ -0,0 +1,22 @@
+package dtos.error;
+
+public class ValidationError {
+    String code;
+    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

@@ -0,0 +1,51 @@
+package io.zipcoder.tc_spring_poll_application.controller;
+
+import dtos.OptionCount;
+import dtos.VoteResult;
+import io.zipcoder.tc_spring_poll_application.domain.Option;
+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);
+        OptionCount optionCount;
+        Integer allVotesCount = 0;
+        Map<Long, OptionCount> voteCounts = new HashMap<>();
+        for (Vote element : allVotes) {
+            allVotesCount++;
+            optionCount = voteCounts.get(element.getOption().getId());
+            if (optionCount == null) {
+                optionCount = new OptionCount();
+                optionCount.setOptionId(element.getOption().getId());
+                voteCounts.put(element.getOption().getId(), optionCount);
+            }
+            optionCount.setCount(optionCount.getCount() + 1);
+        }
+        voteResult.setTotalVotes(allVotesCount);
+        voteResult.setResults(voteCounts.values());
+        return new ResponseEntity<VoteResult>(voteResult, HttpStatus.OK);
+    }
+}
+

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

@@ -0,0 +1,79 @@
+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 org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import javax.validation.Valid;
+import java.net.URI;
+
+@RestController
+public class PollController {
+
+    PollRepository pollRepository;
+
+    @Autowired
+    public PollController(PollRepository pollRepository) {
+        this.pollRepository = pollRepository;
+    }
+
+    @RequestMapping(value="/polls", method= RequestMethod.GET)
+    public ResponseEntity<Iterable<Poll>> getAllPolls() {
+        Iterable<Poll> allPolls = pollRepository.findAll();
+        return new ResponseEntity<>(allPolls, HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls", method=RequestMethod.POST)
+    public ResponseEntity<?> createPoll(
+            @Valid
+            @RequestBody Poll poll) {
+        poll = pollRepository.save(poll);
+        URI newPollUri = ServletUriComponentsBuilder
+                .fromCurrentRequest()
+                .path("/{id}")
+                .buildAndExpand(poll.getId())
+                .toUri();
+
+        HttpHeaders httpHeaders = new HttpHeaders();
+        httpHeaders.setLocation(newPollUri);
+        return new ResponseEntity<>(newPollUri, HttpStatus.CREATED);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.GET)
+    public ResponseEntity<?> getPoll(
+            @PathVariable Long pollId) {
+        verifyPoll(pollId);
+        Poll p = pollRepository.findOne(pollId);
+        return new ResponseEntity<> (p, HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.PUT)
+    public ResponseEntity<?> updatePoll(
+            @Valid
+            @RequestBody Poll poll,
+            @PathVariable Long pollId) {
+        // Save the entity
+        verifyPoll(pollId);
+        Poll p = pollRepository.save(poll);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.DELETE)
+    public ResponseEntity<?> deletePoll(@PathVariable Long pollId) {
+        verifyPoll(pollId);
+        pollRepository.delete(pollId);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+    public void verifyPoll(Long id) throws ResourceNotFoundException{
+        Poll p = pollRepository.findOne(id);
+        if(p == null)
+            throw new ResourceNotFoundException("No poll with id of " + id);
+    }
+}

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

@@ -0,0 +1,48 @@
+package io.zipcoder.tc_spring_poll_application.controller;
+
+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.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+    @RestController
+    public class VoteController {
+
+        private VoteRepository voteRepository;
+
+        @Autowired
+        public VoteController(VoteRepository voteRepository) {
+            this.voteRepository = voteRepository;
+        }
+
+        @RequestMapping(value = "/polls/{pollId}/votes", method = RequestMethod.POST)
+        public ResponseEntity<?> createVote(
+                @PathVariable Long pollId,
+                @RequestBody Vote vote) {
+            vote = voteRepository.save(vote);
+            // Set the headers for the newly created resource
+            HttpHeaders responseHeaders = new HttpHeaders();
+            responseHeaders.setLocation(ServletUriComponentsBuilder.
+                    fromCurrentRequest()
+                    .path("/{id}")
+                    .buildAndExpand(vote.getId()).toUri());
+            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

@@ -0,0 +1,32 @@
+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Option {
+    @Id
+    @GeneratedValue
+    @Column(name = "OPTION_ID")
+    private Long id;
+    @Column(name = "OPTION_VALUE")
+    private String value;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}

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

@@ -0,0 +1,47 @@
+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
+public class Poll {
+    @Id
+    @GeneratedValue
+    @Column(name = "POLL_ID")
+    private Long id;
+    @NotEmpty
+    @Column(name = "QUESTION")
+    private String question;
+    @Size(min = 2, max = 6)
+    @OneToMany(cascade = CascadeType.ALL)
+    @JoinColumn(name = "POLL_ID")
+    @OrderBy
+    private Set<Option> options;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getQuestion() {
+        return question;
+    }
+
+    public void setQuestion(String question) {
+        this.question = question;
+    }
+
+    public Set<Option> getOptions() {
+        return options;
+    }
+
+    public void setOptions(Set<Option> options) {
+        this.options = options;
+    }
+}