Added FeedController and FeedCategoryController

api/src/main/java/com/demo/imagebrowser/controller/FeedCategoryController.java

@@ -0,0 +1,25 @@
+package com.demo.imagebrowser.controller;
+
+import com.demo.imagebrowser.domain.FeedCategory;
+import com.demo.imagebrowser.service.FeedService;
+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
+@RequestMapping("/secure/category")
+public class FeedCategoryController {
+
+    @Autowired
+    private FeedService feedService;
+
+    @RequestMapping(method = RequestMethod.PUT)
+    public ResponseEntity<FeedCategory> addCategory(@RequestParam() String categoryName) {
+        FeedCategory category = feedService.addCategory(categoryName);
+        return new ResponseEntity<>(category, HttpStatus.OK);
+    }
+}

api/src/main/java/com/demo/imagebrowser/controller/FeedController.java

@@ -0,0 +1,25 @@
+package com.demo.imagebrowser.controller;
+
+import com.demo.imagebrowser.domain.Feed;
+import com.demo.imagebrowser.service.FeedService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/feed")
+public class FeedController {
+
+    @Autowired
+    private FeedService feedService;
+
+    @ResponseBody
+    @RequestMapping(method = RequestMethod.GET)
+    public List<Feed> getFeeds() {
+        return feedService.getAll();
+    }
+}

api/src/main/java/com/demo/imagebrowser/service/FeedService.java

@@ -2,12 +2,13 @@
 
 import com.demo.imagebrowser.domain.Feed;
 import com.demo.imagebrowser.domain.FeedCategory;
-
 import java.util.List;
 
 public interface FeedService {
     List<Feed> findByCategoryName(String categoryName);
     void deleteCategoryByName(String categoryName);
     FeedCategory addCategory(String categoryName);
     Feed addFeed(Feed feed);
+    List<Feed> getAll();
+    Boolean categoryExists(String categoryName);
 }

api/src/main/java/com/demo/imagebrowser/service/impl/FeedServiceImpl.java

@@ -6,10 +6,14 @@
 import com.demo.imagebrowser.repository.FeedRepository;
 import com.demo.imagebrowser.service.FeedService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
 
+@Service
 public class FeedServiceImpl implements FeedService {
 
     @Autowired
@@ -33,16 +37,30 @@ public void deleteCategoryByName(String categoryName) {
         feedCategoryRepository.deleteByName(categoryName);
     }
 
+    @Override
+    public Boolean categoryExists(String categoryName) {
+        return feedCategoryRepository.findByName(categoryName) != null;
+    }
+
     @Override
     public FeedCategory addCategory(String categoryName) {
-        FeedCategory category = new FeedCategory();
-        category.setName(categoryName);
-        feedCategoryRepository.save(category);
-        return category;
+        if (!categoryExists(categoryName)) {
+            FeedCategory category = new FeedCategory();
+            category.setName(categoryName);
+            feedCategoryRepository.save(category);
+            return category;
+        } else {
+            return null;
+        }
     }
 
     @Override
     public Feed addFeed(Feed feed) {
         return feedRepository.save(feed);
     }
+
+    @Override
+    public List<Feed> getAll() {
+        return StreamSupport.stream(feedRepository.findAll().spliterator(), false).collect(Collectors.toList());
+    }
 }