#7 getting campaigns (#8)

src/main/java/com/nistagram/agent/controller/CampaignController.java

@@ -37,6 +37,13 @@ public ResponseEntity<List<CampaignDTO>> getAgentsCampaign() {
         return new ResponseEntity<>(dto, HttpStatus.OK);
     }
 
+    @GetMapping(value = "get")
+    public ResponseEntity<List<CampaignDTO>> getCampaignsForUser() {
+        List<Campaign> campaigns = campaignService.getCampaignsForUser();
+        List<CampaignDTO> dto = campaigns.stream().map(CampaignConverter::toDTO).collect(Collectors.toList());
+        return new ResponseEntity<>(dto, HttpStatus.OK);
+    }
+
     @DeleteMapping(value = "delete/{id}")
     public ResponseEntity<Boolean> deleteCampaign(@PathVariable("id") Long id) {
         Boolean status = campaignService.deleteCampaign(id);

src/main/java/com/nistagram/agent/repository/CampaignRepository.java

@@ -9,7 +9,7 @@
 
 public interface CampaignRepository extends JpaRepository<Campaign, Long> {
 
-    @Query("select c from Campaign c join c.criteria crit where (crit.gender = ?1 or crit.gender = ?2) and crit.minAge >= ?3 and crit.maxAge <= ?3")
+    @Query("select c from Campaign c join c.criteria crit where (crit.gender = ?1 or crit.gender = ?2) and crit.minAge <= ?3 and crit.maxAge >= ?3")
     List<Campaign> findAllCriteria(String gender, String allGender, int age);
     List<Campaign> findByAgentUsername(String agentUsername);
 }

src/main/java/com/nistagram/agent/service/CampaignService.java

@@ -15,6 +15,7 @@
 import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 @Service
 public class CampaignService {
@@ -35,7 +36,7 @@ public Campaign createCampaign(@RequestBody CreateCampaignDTO createCampaignDTO)
 
         CreatePostDTO createPostDTO = new CreatePostDTO(createCampaignDTO.getImageUrl(), new ArrayList<>());
         ResponseEntity<PostDTO> postDTO = postClient.createPost(createPostDTO, userService.getTokenString());
-        if(postDTO.getStatusCode().equals(HttpStatus.OK)) {
+        if (postDTO.getStatusCode().equals(HttpStatus.OK)) {
             PostDTO post = postDTO.getBody();
             String username = userService.getUsername();
             Criteria criteria = criteriaRepository.save(createCampaignDTO.getCriteria());
@@ -52,6 +53,17 @@ public Campaign createCampaign(@RequestBody CreateCampaignDTO createCampaignDTO)
         throw new Exception("Error saving campaign");
     }
 
+    public List<Campaign> getCampaignsForUser() {
+        String username = userService.getUsername();
+        UserInfoDTO userInfoDTO = userService.getUserInfo(username);
+        int years = getDiffYears(userInfoDTO.getDateOfBirth(), new Date());
+        String interval = getCurrentInterval();
+        List<Campaign> campaigns = campaignRepository.findAllCriteria(userInfoDTO.getGender(), "Both", years);
+        campaigns = campaigns.stream().filter(campaign -> campaign.getIntervals().contains(interval)).collect(Collectors.toList());
+        campaigns = campaigns.stream().limit(3).collect(Collectors.toList());
+        return campaigns;
+    }
+
     public List<Campaign> getAgentsCampaign() {
         String username = userService.getUsername();
         List<Campaign> campaigns = campaignRepository.findByAgentUsername(username);
@@ -75,4 +87,15 @@ private int getDiffYears(Date first, Date last) {
         }
         return diff;
     }
+
+    private String getCurrentInterval() {
+        Date date = new Date();
+        Calendar calendar = GregorianCalendar.getInstance();
+        calendar.setTime(date);
+        int hour = calendar.get(Calendar.HOUR_OF_DAY);
+        if (hour < 10) {
+            return "INTERVAL0" + hour;
+        }
+        return "INTERVAL" + hour;
+    }
 }