updating the competencies

src/main/java/org/zaine/app/controller/CompetenciesController.java

@@ -1,9 +1,7 @@
 package org.zaine.app.controller;
-
 import java.lang.System.Logger;
 import java.util.List;
 import java.util.Map;
-
 import org.zaine.app.dto.CompetenciesDTO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -11,28 +9,31 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import org.zaine.app.model.Competencies;
 import org.zaine.app.service.CompetenciesService;
 
-
 @RestController
 @RequestMapping("/api/competencies")
 public class CompetenciesController {
-
     private static final Logger logger = System.getLogger(CompetenciesController.class.getName());
+
     @Autowired
     private CompetenciesService competenciesService;
 
     @GetMapping("/items")
-    public List<Competencies> getAllCompetencies() {
-
-	return competenciesService.getAllCompetencies();
-	}
+    public List<Competencies> getAllCompetencies(
+            @RequestParam(value = "group", required = false) String group) {
+        if (group != null && !group.isBlank()) {
+            return competenciesService.getCompetenciesByGroup(group);
+        }
+        return competenciesService.getAllCompetencies();
+    }
 
     @GetMapping("/item/{id}")
     public Competencies getCompetencyById(@PathVariable Integer id) {
-	return competenciesService.getCompetencyById(id);
+        return competenciesService.getCompetencyById(id);
     }
 
     @PostMapping(
@@ -45,5 +46,4 @@ public class CompetenciesController {
     ) {
         competenciesService.updateCompetencyState(id, request.getState());
     }
-
 }

src/main/java/org/zaine/app/repositories/CompetenciesRepository.java

@@ -1,9 +1,10 @@
 package org.zaine.app.repositories;
 
+import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.zaine.app.model.Competencies;
 
 
 public interface CompetenciesRepository extends JpaRepository<Competencies, Integer> {
-    
+    List<Competencies> findByGroup(String group);   
 }

src/main/java/org/zaine/app/service/CompetenciesService.java

@@ -1,5 +1,4 @@
 package org.zaine.app.service;
-
 import java.lang.System.Logger;
 import java.util.List;
 import org.springframework.stereotype.Service;
@@ -8,45 +7,37 @@ import org.zaine.app.repositories.CompetenciesRepository;
 
 @Service
 public class CompetenciesService {
+    private static final Logger logger = System.getLogger(CompetenciesService.class.getName());
+    private final CompetenciesRepository competenciesRepository;
+    private static final List<String> ALLOWED_STATES =
+            List.of("completed", "manager_review", "in_progress", "not_started", "comments");
 
-	private static final Logger logger = System.getLogger(CompetenciesService.class.getName());
+    public CompetenciesService(CompetenciesRepository competenciesRepository) {
+        this.competenciesRepository = competenciesRepository;
+    }
 
-	private final CompetenciesRepository competenciesRepository;
+    public List<Competencies> getAllCompetencies() {
+        return competenciesRepository.findAll();
+    }
 
-	private static final List<String> ALLOWED_STATES =
-			List.of("completed", "manager_review", "in_progress", "not_started", "comments");
+    public List<Competencies> getCompetenciesByGroup(String group) {
+        return competenciesRepository.findByGroup(group);
+    }
 
-								   
-	public CompetenciesService(CompetenciesRepository competenciesRepository) {
-		this.competenciesRepository = competenciesRepository;
-	}
-
-	public List<Competencies> getAllCompetencies() {
-		return competenciesRepository.findAll();
-
-	}
-    
-	public Competencies getCompetencyById(Integer id) {
-
-		logger.log(System.Logger.Level.INFO, "Entering getCompetencyById with id: " + id);
-
-		return competenciesRepository.findById(id).get();
-	}
-
-
-	public void updateCompetencyState(Integer id, String newState) {
-
-		if (newState == null) {
-			throw new IllegalArgumentException("State must not be null");
-		}
-
-		if (!ALLOWED_STATES.contains(newState)) {
-			throw new IllegalArgumentException("Invalid state: " + newState);
-		}
-
-		Competencies competency = getCompetencyById(id);
-		competency.setState(newState);
-		competenciesRepository.save(competency);
-	}
+    public Competencies getCompetencyById(Integer id) {
+        logger.log(System.Logger.Level.INFO, "Entering getCompetencyById with id: " + id);
+        return competenciesRepository.findById(id).get();
+    }
 
+    public void updateCompetencyState(Integer id, String newState) {
+        if (newState == null) {
+            throw new IllegalArgumentException("State must not be null");
+        }
+        if (!ALLOWED_STATES.contains(newState)) {
+            throw new IllegalArgumentException("Invalid state: " + newState);
+        }
+        Competencies competency = getCompetencyById(id);
+        competency.setState(newState);
+        competenciesRepository.save(competency);
+    }
 }