Checkpoint: return all exchanges works

Signed-off-by: Marcin Woźniak <y0rune@aol.com>

buisnesslogic/src/main/java/com/plannaplan/entities/Exchange.java

@@ -8,7 +8,7 @@ import javax.persistence.JoinColumn;
 import javax.persistence.OneToOne;
 
 /**
- *  Entity that keeps user exchange offer. 
+ * Entity that keeps user exchange offer.
  */
 @Entity
 public class Exchange {
@@ -20,29 +20,49 @@ public class Exchange {
     @OneToOne
     @JoinColumn(name = "owned_id", unique = true)
     private Assignment ownedAssignment;
-   
+
     @OneToOne
     @JoinColumn(name = "desired_id")
     private Groups desiredAssignment;
-    
-    public Exchange() {
 
+    private Long ownerId;
+
+    public Exchange(){
+        
     }
 
-    public Exchange(Assignment ownedAssignment, Groups desiredAssignment){
+    /** 
+     * @return Long ID of exchange trader
+     */
+    public Long getOwnerId() {
+        return ownerId;
+    }
+   
+    /** 
+     * @param ownerId ID of exchange trader
+     */
+    public void setOwnerId(Long ownerId) {
+        this.ownerId = ownerId;
+    }
+
+    /**
+     * 
+     * @param ownedAssignment  Assignment which owner would like to trade
+     * @param desiredAssignment Groups instance that trader wants
+     */
+    public Exchange(Assignment ownedAssignment, Groups desiredAssignment) {
         this.ownedAssignment = ownedAssignment;
         this.desiredAssignment = desiredAssignment;
+        this.ownerId = this.ownedAssignment.getCommision().getCommisionOwner().getId();
     }
 
-    
     /** 
      * @return Long ID in database
      */
     public Long getId(){
         return this.id;
     }
-
-    
+  
     /** 
      * @return Groups Target group
      */
@@ -50,7 +70,6 @@ public class Exchange {
         return desiredAssignment;
     }
 
-    
     /** 
      * @param desiredAssignment Target group
      */
@@ -58,7 +77,6 @@ public class Exchange {
         this.desiredAssignment = desiredAssignment;
     }
 
-    
     /** 
      * @return Assignment Owned assignment
      */
@@ -66,7 +84,6 @@ public class Exchange {
         return ownedAssignment;
     }
 
-    
     /** 
      * @param ownedAssignment Owned assignment
      */

buisnesslogic/src/main/java/com/plannaplan/repositories/ExchangeRepository.java

@@ -1,5 +1,6 @@
 package com.plannaplan.repositories;
 
+import java.util.List;
 import java.util.Optional;
 
 import com.plannaplan.entities.Assignment;
@@ -16,5 +17,8 @@ public interface ExchangeRepository extends JpaRepository<Exchange, Long>{
 
     @Query("FROM Exchange WHERE owned_id = ?1 AND desired_id = ?2")
 	Optional<Exchange> checkForExchange(@Param("owned_id") Assignment assignment, @Param("desired_id") Groups group);
+
+    @Query("FROM Exchange WHERE ownerId = ?1")
+	List<Exchange> getByUserId(@Param("id") Long id);
     
 }

buisnesslogic/src/main/java/com/plannaplan/services/ExchangeService.java

@@ -1,5 +1,6 @@
 package com.plannaplan.services;
 
+import java.util.List;
 import java.util.Optional;
 
 import com.plannaplan.entities.Assignment;
@@ -32,6 +33,14 @@ public class ExchangeService {
         return this.repo.findById(id);
     } 
     
+    /** 
+     * @param id Id of user
+     * @return List of exchanges that belong to user
+     */
+    public List<Exchange> getByUserId(Long id){
+        return this.repo.getByUserId(id);
+    } 
+
     /** 
      * @param entity Exchange entity which we would like to delete
      */