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
      */

restservice/src/main/java/com/plannaplan/controllers/ExchangeController.java

@@ -1,5 +1,6 @@
 package com.plannaplan.controllers;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
@@ -9,6 +10,8 @@ import com.plannaplan.entities.Exchange;
 import com.plannaplan.entities.Groups;
 import com.plannaplan.entities.User;
 import com.plannaplan.exceptions.UserNotFoundException;
+import com.plannaplan.responses.mappers.ExchangeResponseMappers;
+import com.plannaplan.responses.models.ExchangeResponse;
 import com.plannaplan.services.AssignmentService;
 import com.plannaplan.services.ExchangeService;
 import com.plannaplan.services.GroupService;
@@ -19,6 +22,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -104,4 +108,18 @@ public class ExchangeController extends TokenBasedController{
         this.exchangeService.deleteExchange(exchangeToDelete);
         return new ResponseEntity<>("Success", HttpStatus.OK);
     }
+
+    @GetMapping("/exchange/all")
+    @ApiOperation(value = "Get exchange offers")
+    public ResponseEntity<List<ExchangeResponse>> getExchange()
+            throws UserNotFoundException {
+
+        final User asker = this.getCurrentUser()
+                                        .orElseThrow(() -> new UserNotFoundException("Invalid token"));
+        
+        final List<Exchange> response = exchangeService.getByUserId(asker.getId());
+        final List<ExchangeResponse> listOfResponses = ExchangeResponseMappers.mapToDefaultResponse(response);
+        
+        return new ResponseEntity<>(listOfResponses, HttpStatus.OK);
+    }
 }

restservice/src/main/java/com/plannaplan/responses/mappers/ExchangeResponseMappers.java

@@ -0,0 +1,14 @@
+package com.plannaplan.responses.mappers;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import com.plannaplan.entities.Exchange;
+import com.plannaplan.responses.models.ExchangeResponse;
+
+public class ExchangeResponseMappers {
+    public static final List<ExchangeResponse> mapToDefaultResponse(List<Exchange> exchanges) {
+        return exchanges.stream().filter(Objects::nonNull).map(ExchangeResponse::new).collect(Collectors.toList());
+    }
+}

restservice/src/main/java/com/plannaplan/responses/models/ExchangeResponse.java

@@ -0,0 +1,36 @@
+package com.plannaplan.responses.models;
+
+import com.plannaplan.entities.Exchange;
+
+public class ExchangeResponse {
+    private Long id;
+    private GroupDefaultResponse ownedAssignment;
+    private GroupDefaultResponse desiredGroup;
+
+    public ExchangeResponse(Exchange exchange){
+        this.id = exchange.getId();
+        this.ownedAssignment = new GroupDefaultResponse(exchange.getOwnedAssignment().getGroup());
+        this.desiredGroup = new GroupDefaultResponse(exchange.getDesiredAssignment());
+    }
+
+	public GroupDefaultResponse getDesiredGroup() {
+		return desiredGroup;
+	}
+	public void setDesiredGroup(GroupDefaultResponse desiredGroup) {
+		this.desiredGroup = desiredGroup;
+	}
+	public GroupDefaultResponse getOwnedAssignment() {
+		return ownedAssignment;
+	}
+	public void setOwnedAssignment(GroupDefaultResponse ownedAssignment) {
+		this.ownedAssignment = ownedAssignment;
+	}
+	public Long getId() {
+		return id;
+	}
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+    
+}