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lab #30

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25 changes: 25 additions & 0 deletions src/main/java/dtos/OptionCount.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
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;
}
}


23 changes: 23 additions & 0 deletions src/main/java/dtos/VoteResult.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
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;
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -8,4 +8,6 @@ public class QuickPollApplication {
public static void main(String[] args) {
SpringApplication.run(QuickPollApplication.class, args);
}


}
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
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);
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
package io.zipcoder.tc_spring_poll_application.controller;


import io.zipcoder.tc_spring_poll_application.domain.Poll;
import io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
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.inject.Inject;
import java.net.URI;

@RestController
public class PollController {
@Inject
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(@RequestBody Poll poll) {
poll = pollRepository.save(poll);
HttpHeaders responseHeaders = new HttpHeaders();
URI newPollUri = ServletUriComponentsBuilder
.fromCurrentRequest()
.path("/{id}")
.buildAndExpand(poll.getId())
.toUri();
responseHeaders.setLocation(newPollUri);
return new ResponseEntity<>(null,responseHeaders, HttpStatus.CREATED);
}

@RequestMapping(value="/polls/{pollId}", method=RequestMethod.GET)
public ResponseEntity<?> getPoll(@PathVariable Long pollId) {
Poll p = pollRepository.findOne(pollId);
return new ResponseEntity<> (p, HttpStatus.OK);
}

@RequestMapping(value="/polls/{pollId}", method=RequestMethod.PUT)
public ResponseEntity<?> updatePoll(@RequestBody Poll poll, @PathVariable Long pollId) {
// Save the entity
Poll p = pollRepository.save(poll);
return new ResponseEntity<>(HttpStatus.OK);
}

@RequestMapping(value="/polls/{pollId}", method=RequestMethod.DELETE)
public ResponseEntity<?> deletePoll(@PathVariable Long pollId) {
pollRepository.delete(pollId);
return new ResponseEntity<>(HttpStatus.OK);
}




}
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
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.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.inject.Inject;

@RestController
public class VoteController {
@Inject
private 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);
}


}

Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
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 Option(){

}

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;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
package io.zipcoder.tc_spring_poll_application.domain;

import javax.persistence.*;
import java.util.Set;

@Entity
public class Poll {

@Id
@GeneratedValue
@Column(name = "POLL_ID")
private long id;

@Column(name = "QUESTION")
private String question;

@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;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
package io.zipcoder.tc_spring_poll_application.domain;

import javax.persistence.*;

@Entity
public class Vote {

@Id
@GeneratedValue
@Column(name = "VOTE_ID")
private long id;

@ManyToOne
@JoinColumn(name = "OPTION_ID")
private Option option;



public Option getOption() {
return option;
}

public void setOption(Option option) {
this.option = option;
}

public long getId() {
return id;
}

public void setId(long id) {
this.id = id;
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
package io.zipcoder.tc_spring_poll_application.repositories;

import io.zipcoder.tc_spring_poll_application.domain.Option;
import org.springframework.data.repository.CrudRepository;

public interface OptionRepository extends CrudRepository<Option, Long>{
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
package io.zipcoder.tc_spring_poll_application.repositories;

import io.zipcoder.tc_spring_poll_application.domain.Poll;
import org.springframework.data.repository.CrudRepository;

public interface PollRepository extends CrudRepository<Poll, Long> {

}
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
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);
}