From 42b0730565e5c6233b57d9bd202ac97bb4d3413c Mon Sep 17 00:00:00 2001
From: sitarameez <sitarablossom@gmail.com>
Date: Tue, 17 Aug 2021 13:34:17 -0400
Subject: [PATCH 1/4] spring

---
 .../domain/Option.java                        | 29 +++++++++++++
 .../domain/Poll.java                          | 43 +++++++++++++++++++
 .../domain/Vote.java                          | 31 +++++++++++++
 .../repositories/OptionRepository.java        |  9 ++++
 .../repositories/PollRespository.java         |  9 ++++
 .../repositories/VoteRepository.java          |  9 ++++
 6 files changed, 130 insertions(+)
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/repositories/OptionRepository.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/repositories/PollRespository.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java

diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
new file mode 100644
index 0000000..712a979
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
@@ -0,0 +1,29 @@
+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.*;
+
+@Entity
+public class Option {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @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;
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
new file mode 100644
index 0000000..df0c634
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
@@ -0,0 +1,43 @@
+package io.zipcoder.tc_spring_poll_application.domain;
+
+
+import javax.persistence.*;
+import java.util.Set;
+
+@Entity
+public class Poll {
+@Id
+@GeneratedValue(strategy = GenerationType.AUTO)
+@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;
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
new file mode 100644
index 0000000..026fca2
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
@@ -0,0 +1,31 @@
+package io.zipcoder.tc_spring_poll_application.domain;
+
+import javax.persistence.*;
+
+@Entity
+public class Vote {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "VOTE_ID")
+    private Long id;
+    @ManyToOne
+    @JoinColumn(name = "OPTION_ID")
+    private Option option;
+
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Option getOption() {
+        return option;
+    }
+
+    public void setOption(Option option) {
+        this.option = option;
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/OptionRepository.java b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/OptionRepository.java
new file mode 100644
index 0000000..714d2ee
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/OptionRepository.java
@@ -0,0 +1,9 @@
+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Option;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface OptionRepository extends CrudRepository<Option,Long> {
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/PollRespository.java b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/PollRespository.java
new file mode 100644
index 0000000..4821774
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/PollRespository.java
@@ -0,0 +1,9 @@
+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Poll;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PollRespository extends CrudRepository<Poll,Long> {
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java
new file mode 100644
index 0000000..7c6ac66
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java
@@ -0,0 +1,9 @@
+package io.zipcoder.tc_spring_poll_application.repositories;
+
+import io.zipcoder.tc_spring_poll_application.domain.Vote;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface VoteRepository extends CrudRepository<Vote,Long>{
+}

From 42d833e7cbb647a0aef3c7ae1bd47e0e502892ab Mon Sep 17 00:00:00 2001
From: sitarameez <sitarablossom@gmail.com>
Date: Tue, 17 Aug 2021 18:50:32 -0400
Subject: [PATCH 2/4] hgjhjg

---
 src/main/java/dtos/OptionCount.java           | 30 +++++++++
 src/main/java/dtos/VoteResult.java            | 32 ++++++++++
 .../controller/ComputeResultController.java   | 31 ++++++++++
 .../controller/PollController.java            | 62 +++++++++++++++++++
 .../controller/VoteController.java            | 42 +++++++++++++
 .../domain/Option.java                        | 10 +++
 .../domain/Poll.java                          | 11 ++++
 .../domain/Vote.java                          |  8 +++
 .../repositories/VoteRepository.java          |  9 +++
 9 files changed, 235 insertions(+)
 create mode 100644 src/main/java/dtos/OptionCount.java
 create mode 100644 src/main/java/dtos/VoteResult.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/controller/ComputeResultController.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java

diff --git a/src/main/java/dtos/OptionCount.java b/src/main/java/dtos/OptionCount.java
new file mode 100644
index 0000000..25731ee
--- /dev/null
+++ b/src/main/java/dtos/OptionCount.java
@@ -0,0 +1,30 @@
+package dtos;
+
+public class OptionCount {
+    private Long optionId;
+    private int count;
+
+    public OptionCount() {
+    }
+
+    public OptionCount(Long optionId, int count) {
+        this.optionId = optionId;
+        this.count = 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;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/dtos/VoteResult.java b/src/main/java/dtos/VoteResult.java
new file mode 100644
index 0000000..2aea534
--- /dev/null
+++ b/src/main/java/dtos/VoteResult.java
@@ -0,0 +1,32 @@
+package dtos;
+
+import java.util.Collection;
+public class VoteResult {
+
+    private int totalVotes;
+    private Collection<OptionCount> results;
+
+    public VoteResult() {
+    }
+
+    public VoteResult(int totalVotes, Collection<OptionCount> results) {
+        this.totalVotes = totalVotes;
+        this.results = 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;
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/controller/ComputeResultController.java b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/ComputeResultController.java
new file mode 100644
index 0000000..2890eea
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/ComputeResultController.java
@@ -0,0 +1,31 @@
+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.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;
+
+@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);
+
+        return new ResponseEntity<VoteResult>(voteResult, HttpStatus.OK);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
new file mode 100644
index 0000000..7e4eb4f
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
@@ -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.PollRespository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import java.net.URI;
+
+@RestController
+public class PollController {
+
+    PollRespository pollRespository;
+
+    public PollController(){}
+    @Autowired
+    public PollController(PollRespository pollRespository){
+         this.pollRespository=pollRespository;
+    }
+
+    @RequestMapping(value="/polls", method=RequestMethod.POST)
+    public ResponseEntity<?> createPoll(@RequestBody Poll poll) {
+        poll = pollRespository.save(poll);
+        URI newPollUri = ServletUriComponentsBuilder
+                .fromCurrentRequest()
+                .path("/{id}")
+                .buildAndExpand(poll.getId())
+                .toUri();
+        return new ResponseEntity<>(newPollUri, HttpStatus.CREATED);
+    }
+
+    @RequestMapping(value="/polls", method= RequestMethod.GET)
+    public ResponseEntity<Iterable<Poll>> getAllPolls() {
+        Iterable<Poll> allPolls = pollRespository.findAll();
+        return new ResponseEntity<>(allPolls, HttpStatus.OK);
+    }
+
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.GET)
+    public ResponseEntity<?> getPoll(@PathVariable Long pollId) {
+        Poll p = pollRespository.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 = pollRespository.save(poll);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.DELETE)
+    public ResponseEntity<?> deletePoll(@PathVariable Long pollId) {
+        pollRespository.delete(pollId);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
+
+
+
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java
new file mode 100644
index 0000000..135b3cc
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/VoteController.java
@@ -0,0 +1,42 @@
+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);
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
index 712a979..841800f 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Option.java
@@ -8,9 +8,19 @@ public class Option {
     @GeneratedValue(strategy = GenerationType.AUTO)
     @Column(name = "OPTION_ID")
     private Long id;
+
+
     @Column(name = "OPTION_VALUE")
     private String value;
 
+    public Option(){}
+
+    public Option(Long id, String value) {
+        this.id = id;
+        this.value = value;
+    }
+
+
     public Long getId() {
         return id;
     }
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
index df0c634..a760a75 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
@@ -6,17 +6,28 @@
 
 @Entity
 public class Poll {
+
 @Id
 @GeneratedValue(strategy = GenerationType.AUTO)
 @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 Poll(){}
+
+    public Poll(Long id, String question, Set<Option> options) {
+        this.id = id;
+        this.question = question;
+        this.options = options;
+    }
+
     public Long getId() {
         return id;
     }
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
index 026fca2..b117ab8 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Vote.java
@@ -4,14 +4,22 @@
 
 @Entity
 public class Vote {
+
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     @Column(name = "VOTE_ID")
     private Long id;
+
     @ManyToOne
     @JoinColumn(name = "OPTION_ID")
     private Option option;
 
+    public Vote(){}
+
+    public Vote(Long id, Option option) {
+        this.id = id;
+        this.option = option;
+    }
 
     public Long getId() {
         return id;
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java
index 7c6ac66..2af4788 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/repositories/VoteRepository.java
@@ -1,9 +1,18 @@
 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;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface VoteRepository extends CrudRepository<Vote,Long>{
+    //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);
+
+
 }

From 8c88c1db2aaf80f54f3fce66de2a485427ead9b6 Mon Sep 17 00:00:00 2001
From: sitarameez <sitarablossom@gmail.com>
Date: Tue, 17 Aug 2021 21:12:49 -0400
Subject: [PATCH 3/4] loooong lab

---
 .../controller/PollController.java            | 38 ++++++++----
 .../domain/Poll.java                          |  5 ++
 .../dto/error/ErrorDetail.java                | 59 +++++++++++++++++++
 .../dto/error/RestExceptionHandler.java       | 28 +++++++++
 .../dto/error/ValidationError.java            |  6 ++
 .../exception/ResourceNotFoundException.java  | 19 ++++++
 6 files changed, 142 insertions(+), 13 deletions(-)
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
 create mode 100644 src/main/java/io/zipcoder/tc_spring_poll_application/exception/ResourceNotFoundException.java

diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
index 7e4eb4f..6252bb0 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/controller/PollController.java
@@ -1,6 +1,7 @@
 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.PollRespository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
@@ -8,6 +9,7 @@
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
 
+import javax.validation.Valid;
 import java.net.URI;
 
 @RestController
@@ -15,13 +17,16 @@ public class PollController {
 
     PollRespository pollRespository;
 
-    public PollController(){}
+    public PollController() {
+    }
+
     @Autowired
-    public PollController(PollRespository pollRespository){
-         this.pollRespository=pollRespository;
+    public PollController(PollRespository pollRespository) {
+        this.pollRespository = pollRespository;
     }
 
-    @RequestMapping(value="/polls", method=RequestMethod.POST)
+    @Valid
+    @RequestMapping(value = "/polls", method = RequestMethod.POST)
     public ResponseEntity<?> createPoll(@RequestBody Poll poll) {
         poll = pollRespository.save(poll);
         URI newPollUri = ServletUriComponentsBuilder
@@ -32,31 +37,38 @@ public ResponseEntity<?> createPoll(@RequestBody Poll poll) {
         return new ResponseEntity<>(newPollUri, HttpStatus.CREATED);
     }
 
-    @RequestMapping(value="/polls", method= RequestMethod.GET)
+    @RequestMapping(value = "/polls", method = RequestMethod.GET)
     public ResponseEntity<Iterable<Poll>> getAllPolls() {
         Iterable<Poll> allPolls = pollRespository.findAll();
         return new ResponseEntity<>(allPolls, HttpStatus.OK);
     }
 
-    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.GET)
+    @RequestMapping(value = "/polls/{pollId}", method = RequestMethod.GET)
     public ResponseEntity<?> getPoll(@PathVariable Long pollId) {
+        verifyPoll(pollId);
         Poll p = pollRespository.findOne(pollId);
-        return new ResponseEntity<> (p, HttpStatus.OK);
+        return new ResponseEntity<>(p, HttpStatus.OK);
     }
-
-    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.PUT)
+    @Valid
+    @RequestMapping(value = "/polls/{pollId}", method = RequestMethod.PUT)
     public ResponseEntity<?> updatePoll(@RequestBody Poll poll, @PathVariable Long pollId) {
         // Save the entity
+        verifyPoll(pollId);
         Poll p = pollRespository.save(poll);
         return new ResponseEntity<>(HttpStatus.OK);
     }
-    @RequestMapping(value="/polls/{pollId}", method=RequestMethod.DELETE)
+
+    @RequestMapping(value = "/polls/{pollId}", method = RequestMethod.DELETE)
     public ResponseEntity<?> deletePoll(@PathVariable Long pollId) {
+        verifyPoll(pollId);
         pollRespository.delete(pollId);
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
-
-
-
+    public void verifyPoll(Long PollId) {
+        if (pollRespository.findOne(PollId) == null){
+            throw new ResourceNotFoundException("Not Found");
+    }
+    }
 }
+
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
index a760a75..454a58c 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/domain/Poll.java
@@ -1,7 +1,10 @@
 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
@@ -13,11 +16,13 @@ public class Poll {
     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;
 
     public Poll(){}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
new file mode 100644
index 0000000..0a09ad7
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
@@ -0,0 +1,59 @@
+package io.zipcoder.tc_spring_poll_application.dto.error;
+
+public class ErrorDetail {
+    String title;
+    int status;
+    String detail;
+    long timeStamp;
+    String developerMessage;
+
+    public ErrorDetail(){}
+
+    public ErrorDetail(String title, int status, String detail, long timeStamp, String developerMessage) {
+        this.title = title;
+        this.status = status;
+        this.detail = detail;
+        this.timeStamp = timeStamp;
+        this.developerMessage = developerMessage;
+    }
+
+    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;
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
new file mode 100644
index 0000000..1d34445
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
@@ -0,0 +1,28 @@
+package io.zipcoder.tc_spring_poll_application.dto.error;
+
+import io.zipcoder.tc_spring_poll_application.exception.ResourceNotFoundException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Date;
+
+@ControllerAdvice
+public class RestExceptionHandler {
+
+
+
+    @ExceptionHandler(ResourceNotFoundException.class)
+    public ResponseEntity<?> handleResourceNotFoundException(ResourceNotFoundException rnfe, HttpServletRequest request) {
+
+        ErrorDetail error = new ErrorDetail(
+                "NOT_FOUND",
+                404,
+                rnfe.getMessage(),
+                new Date().getTime(),
+                rnfe.getLocalizedMessage());
+        return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
+    }
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
new file mode 100644
index 0000000..58ca4de
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
@@ -0,0 +1,6 @@
+package io.zipcoder.tc_spring_poll_application.dto.error;
+
+public class ValidationError {
+    String code;
+    String message;
+}
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/exception/ResourceNotFoundException.java b/src/main/java/io/zipcoder/tc_spring_poll_application/exception/ResourceNotFoundException.java
new file mode 100644
index 0000000..4926f64
--- /dev/null
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/exception/ResourceNotFoundException.java
@@ -0,0 +1,19 @@
+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(){}
+
+    public ResourceNotFoundException(String message){
+    super(message);
+}
+
+public ResourceNotFoundException(String message,Throwable cause){
+    super(message,cause);
+
+}
+
+}

From df9b69e79f93137a23ffdf43868387f419c3bd66 Mon Sep 17 00:00:00 2001
From: sitarameez <sitarablossom@gmail.com>
Date: Wed, 18 Aug 2021 10:33:06 -0400
Subject: [PATCH 4/4] completed

---
 .../dto/error/ErrorDetail.java                | 12 ++++++-
 .../dto/error/RestExceptionHandler.java       | 35 +++++++++++++++++--
 .../dto/error/ValidationError.java            | 23 ++++++++++++
 src/main/resources/import.sql                 |  1 +
 src/main/resources/messages.properties        |  2 ++
 5 files changed, 70 insertions(+), 3 deletions(-)
 create mode 100644 src/main/resources/import.sql
 create mode 100644 src/main/resources/messages.properties

diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
index 0a09ad7..709bcf5 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ErrorDetail.java
@@ -1,12 +1,15 @@
 package io.zipcoder.tc_spring_poll_application.dto.error;
 
+import java.util.List;
+import java.util.Map;
+
 public class ErrorDetail {
     String title;
     int status;
     String detail;
     long timeStamp;
     String developerMessage;
-
+    private Map<String, List<ValidationError>> errors;
     public ErrorDetail(){}
 
     public ErrorDetail(String title, int status, String detail, long timeStamp, String developerMessage) {
@@ -56,4 +59,11 @@ public String getDeveloperMessage() {
     public void setDeveloperMessage(String developerMessage) {
         this.developerMessage = developerMessage;
     }
+
+    public void setErrors(Map<String, List<ValidationError>>errors) { this.errors=errors;
+    }
+
+    public Map<String, List<ValidationError>> getErrors() {
+        return errors;
+    }
 }
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
index 1d34445..a000bfe 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/RestExceptionHandler.java
@@ -1,18 +1,25 @@
 package io.zipcoder.tc_spring_poll_application.dto.error;
 
 import io.zipcoder.tc_spring_poll_application.exception.ResourceNotFoundException;
+import org.springframework.beans.factory.annotation.Autowired;
+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 javax.servlet.http.HttpServletRequest;
+import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
 
 @ControllerAdvice
 public class RestExceptionHandler {
 
-
+    @Autowired
+    private MessageSource messageSource;
 
     @ExceptionHandler(ResourceNotFoundException.class)
     public ResponseEntity<?> handleResourceNotFoundException(ResourceNotFoundException rnfe, HttpServletRequest request) {
@@ -25,4 +32,28 @@ public ResponseEntity<?> handleResourceNotFoundException(ResourceNotFoundExcepti
                 rnfe.getLocalizedMessage());
         return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
     }
-}
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<?>
+    handleValidationError(MethodArgumentNotValidException manve,
+                          HttpServletRequest request) {
+        ErrorDetail error = new ErrorDetail();
+        List<FieldError> fieldErrors = manve.getBindingResult().getFieldErrors();
+        for (FieldError fe : fieldErrors) {
+            List<ValidationError> validationErrorList = error.getErrors()
+                    .get(fe.getField());
+            if (validationErrorList == null) {
+                validationErrorList = new ArrayList<>();
+                error.getErrors().put(fe.getField(), validationErrorList);
+
+            }
+            ValidationError validationError = new ValidationError();
+            validationError.setCode(fe.getCode());
+            validationError.setMessage(messageSource.getMessage(fe, null));
+            validationErrorList.add(validationError);
+
+        }
+
+        return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
index 58ca4de..5817eb3 100644
--- a/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
+++ b/src/main/java/io/zipcoder/tc_spring_poll_application/dto/error/ValidationError.java
@@ -1,6 +1,29 @@
 package io.zipcoder.tc_spring_poll_application.dto.error;
 
+import java.util.List;
+import java.util.Map;
+
 public class ValidationError {
     String code;
     String message;
+    Map<String, List<ValidationError>> errors;
+
+
+    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;
+    }
+
+
 }
diff --git a/src/main/resources/import.sql b/src/main/resources/import.sql
new file mode 100644
index 0000000..8c1de8c
--- /dev/null
+++ b/src/main/resources/import.sql
@@ -0,0 +1 @@
+insert into poll (poll_id, question) values (1, 'What is your favorite color?');
\ No newline at end of file
diff --git a/src/main/resources/messages.properties b/src/main/resources/messages.properties
new file mode 100644
index 0000000..3f51f36
--- /dev/null
+++ b/src/main/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}
\ No newline at end of file