Connected application components

src/main/java/de/rwu/easydrop/api/dto/OfferDTO.java

@@ -1,52 +1,31 @@
 package de.rwu.easydrop.api.dto;
 
 import lombok.Data;
-import de.rwu.easydrop.model.Product;
-import java.util.Date;
 
 /*
- * Offer data transfer object
+ * Offer data transfer object.
+ *
+ * @since 0.3.0
  */
 @Data
 public class OfferDTO {
     /**
-     * Platform internal offer identifier.
+     * ID of the offer, built from identifiers of the source platforms.
      */
     private String offerId;
 
     /**
      * The product that our software buys.
      */
-    private Product sourceProduct;
+    private ProductDTO sourceProduct;
 
     /**
      * The product that our software sells.
      */
-    private Product saleProduct;
+    private ProductDTO targetProduct;
 
     /**
-     * Date of the creation of the offer
-     * NOTE: Use Timestamp?
-     * https://docs.oracle.com/javase/8/docs/api/java/sql/Timestamp.html
+     * Date of last update of the offer.
      */
-    private Date creationDate;
-
-    /**
-     * Date of last update of the offer on the destination website (API).
-     */
-    private Date upDate;
-
-    /**
-     * Date of last check if offer is still valid.
-     */
-    private Date checkDate;
-
-    /**
-     * Creates OfferDTO instance.
-     *
-     * @param newOfferId Internal Offer identifier
-     */
-    public OfferDTO(final String newOfferId) {
-        this.offerId = newOfferId;
-    }
+    private String lastUpdate;
 }

src/main/java/de/rwu/easydrop/api/dto/ProductDTO.java

@@ -40,6 +40,11 @@ public class ProductDTO {
      */
     private boolean available;
 
+    /**
+     * Last update from API.
+     */
+    private String lastUpdate;
+
     /**
      * Creates ProductDTO instance.
      *