Merge branch 'feature/243-add-get-group-by-username-endpoint' into 'main'

Resolve "Add get group by username endpoint"

Closes #243

See merge request idatt2106-v23-03/backend!182

src/main/java/ntnu/idatt2016/v233/SmartMat/controller/group/GroupController.java

@@ -19,6 +19,7 @@ import org.springframework.security.core.Authentication;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * Controller for groups API, providing endpoints for group management
@@ -324,4 +325,14 @@ public class GroupController {
         }
     }
 
+    /**
+     * Handles the HTTP DELETE request to remove a user from a group.
+     * @param auth the authentication object containing the username of the user
+     * @return a ResponseEntity object containing the list of groups the user is associated with and an HTTP status code of 200,
+     */
+    @GetMapping("/")
+    public ResponseEntity<List<UserGroupAsso>> getAllGroupsByUser(Authentication auth) {
+        return ResponseEntity.ok(groupService.getUserGroupAssoByUserName(auth.getName()));
+    }
+
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/entity/fridgeProduct/FridgeProductAsso.java

@@ -23,12 +23,12 @@ public class FridgeProductAsso {
 
     @ManyToOne(fetch = FetchType.LAZY, cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     @JoinColumn(name = "fridge_id")
-    @JsonIgnoreProperties({"products"})
+    @JsonIgnore
     private Fridge fridgeId;
 
     @ManyToOne(fetch = FetchType.LAZY, cascade = {CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH})
     @JoinColumn(name = "ean")
-    @JsonIgnoreProperties({"fridges"})
+    @JsonIgnore
     private Product ean;
 
     @Column(name = "purchase_date")

src/main/java/ntnu/idatt2016/v233/SmartMat/entity/group/UserGroupAsso.java

 package ntnu.idatt2016.v233.SmartMat.entity.group;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import jakarta.persistence.*;
 import lombok.*;
@@ -26,13 +27,13 @@ public class UserGroupAsso {
     @ManyToOne
     @MapsId("username")
     @JoinColumn(name = "username")
-    @JsonIgnoreProperties("group")
+    @JsonIgnore
     private User user;
 
     @ManyToOne
     @MapsId("group_id")
     @JoinColumn(name = "group_id")
-    @JsonIgnoreProperties({"group", "user"})
+    @JsonIgnoreProperties({"user", "fridge", "shoppingList"})
     private Group group;
 
     @Column(name = "primary_group")

src/main/java/ntnu/idatt2016/v233/SmartMat/repository/group/UserGroupAssoRepository.java

@@ -73,4 +73,12 @@ public interface UserGroupAssoRepository extends JpaRepository<UserGroupAsso, Us
      * @return
      */
     String findAuthorityByUser_UsernameAndGroup_GroupId(String username, long groupId);
+
+
+    /**
+     * Finds all groups a user is a member of
+     * @param username the username of the user
+     * @return a list of all groups the user is a member of
+     */
+    List<UserGroupAsso> findAllByUserUsername(String username);
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/service/group/GroupService.java

@@ -219,4 +219,14 @@ public class GroupService {
         Optional<UserGroupAsso> userGroupAsso = getUserGroupAsso(username, groupId);
         return userGroupAsso.map(UserGroupAsso::getGroupAuthority).orElseThrow(() -> new IllegalArgumentException("User is not associated with group"));
     }
+
+
+    /**
+     * Gets all user group associations for a user
+     * @param username the username of the user
+     * @return a list of all user group associations for the user
+     */
+    public List<UserGroupAsso> getUserGroupAssoByUserName(String username) {
+        return userGroupAssoRepository.findAllByUserUsername(username);
+    }
 }