Making Vote Controller

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

@@ -2,13 +2,15 @@ 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.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.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RestController;
+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 {
@@ -16,10 +18,49 @@ public class PollController {
     @Inject
     private PollRepository pollRepository;
 
+    @Autowired //The @Autowired annotation allows you to skip configurations elsewhere of what to inject and just does it for you
+
+    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(@RequestBody Poll poll) { //@RequestBody tells Spring that the entire request body needs to be converted to an instance of Poll
+        poll = pollRepository.save(poll);
+        HttpHeaders newHeaders = new HttpHeaders();
+
+        URI newPollUri = ServletUriComponentsBuilder
+                .fromCurrentRequest()
+                .path("/{id}")
+                .buildAndExpand(poll.getId())
+                .toUri();
+                newHeaders.setLocation(newPollUri);
+        return new ResponseEntity<>(newHeaders, 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);
+    }
+
 }