Abrufen der PRodukte der AmazonAPI

src/main/java/de/rwu/easydrop/Main.java

@@ -1,5 +1,6 @@
 package de.rwu.easydrop;
 
+import java.net.MalformedURLException;
 import java.util.List;
 
 import javax.naming.ConfigurationException;
@@ -11,6 +12,7 @@ import org.sqlite.SQLiteDataSource;
 import de.rwu.easydrop.api.client.DataSourceFactory;
 import de.rwu.easydrop.data.connector.AbstractProductPersistence;
 import de.rwu.easydrop.data.connector.SQLiteConnector;
+import de.rwu.easydrop.model.Product;
 import de.rwu.easydrop.model.ProductCatalogue;
 import de.rwu.easydrop.service.retriever.CatalogueRetriever;
 import de.rwu.easydrop.service.retriever.ProductRetriever;
@@ -58,5 +60,15 @@ public final class Main {
             String pCatStr = pCat.toString();
             LOGGER.info(pCatStr);
         }
+
+        for (ProductCatalogue pCat : pCats) {
+        List<Product> products = pCat.getProducts();
+
+        for (Product product : products) {
+            String productId = product.getProductId();
+            double price = product.getCurrentPrice();
+            LOGGER.info("Product ID: " + productId + ", Price: " + price);
+        }
+    }
     }
 }

src/main/java/de/rwu/easydrop/PriceFetcher.java

@@ -0,0 +1,61 @@
+package de.rwu.easydrop;
+
+import java.net.MalformedURLException;
+import java.util.List;
+
+import javax.naming.ConfigurationException;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.sqlite.SQLiteDataSource;
+
+import de.rwu.easydrop.api.client.DataSourceFactory;
+import de.rwu.easydrop.data.connector.AbstractProductPersistence;
+import de.rwu.easydrop.data.connector.SQLiteConnector;
+import de.rwu.easydrop.model.Product;
+import de.rwu.easydrop.model.ProductCatalogue;
+import de.rwu.easydrop.service.retriever.CatalogueRetriever;
+import de.rwu.easydrop.service.retriever.ProductRetriever;
+import de.rwu.easydrop.service.writer.CatalogueWriter;
+import de.rwu.easydrop.util.Config;
+import de.rwu.easydrop.util.ProductsConfig;
+
+
+/**
+ * Diese Klasse PriceFetcher enthält die Methode getProductPrice, 
+ * die den Preis eines Produkts von den jeweiligen API's abruft. 
+ */
+public final class PriceFetcher {
+    
+    private static final Logger LOGGER = LoggerFactory.getLogger(PriceFetcher.class);
+
+    public static void getProductPrice(final String[] args) throws ConfigurationException{
+
+        Config config = Config.getInstance();
+        ProductsConfig pConfig = ProductsConfig.getInstance();
+        DataSourceFactory dataSourceFactory = new DataSourceFactory(config);
+        ProductRetriever retriever = new ProductRetriever(dataSourceFactory);
+        CatalogueRetriever catRetriever = new CatalogueRetriever(pConfig, retriever);
+        AbstractProductPersistence db = new SQLiteConnector(new SQLiteDataSource());
+        CatalogueWriter catWriter = new CatalogueWriter(db);
+
+        catRetriever.loadCatalogues();
+        List<ProductCatalogue> pCats = catRetriever.getProductCatalogues();
+        catWriter.writeCatalogues(pCats);
+
+        for (ProductCatalogue pCat : pCats) {
+            String pCatStr = pCat.toString();
+            LOGGER.info(pCatStr);
+        }
+
+        for (ProductCatalogue pCat : pCats) {
+        List<Product> products = pCat.getProducts();
+
+        for (Product product : products) {
+            String productId = product.getProductId();
+            double price = product.getCurrentPrice();
+            LOGGER.info("Product ID: " + productId + ", Price: " + price);
+        }
+        }
+    }
+}

src/main/java/de/rwu/easydrop/api/BeforeEach.java

@@ -0,0 +1,5 @@
+package de.rwu.easydrop.api;
+
+public @interface BeforeEach {
+
+}

src/main/java/de/rwu/easydrop/api/Preisentnahme.java

@@ -1,51 +0,0 @@
-package de.rwu.easydrop.api.client;
-
-import java.net.MalformedURLException;
-import java.net.URL;
-
-import com.jayway.jsonpath.JsonPath;
-import com.jayway.jsonpath.PathNotFoundException;
-import com.jayway.jsonpath.ReadContext;
-
-import de.rwu.easydrop.api.dto.ProductDTO;
-
-/**
- * Diese Klasse AmazonPriceFetcher enthält die Methode getProductPrice, 
- * die den Preis eines Produkts von der Amazon API abruft. 
- * Die Methode verwendet die Base URL, den API-Schlüssel und die Produkt-ID, 
- * um die API-URL zu erstellen und die Daten von der API abzurufen. 
- * Anschließend wird der Preis aus der JSON-Antwort extrahiert und zurückgegeben.
- */
-public final class AmazonPriceFetcher {
-    /**
-     * URL zur Amazon API.
-     */
-    private String baseUrl;
-    /**
-     * API-Schlüssel zur Autorisierung.
-     */
-    private String apiKey;
-    /**
-     * Produktregion für den Datenzugriff.
-     */
-    private static final String PRODUCT_REGION = "DE";
-    /**
-     * Sprachparameter für den Datenzugriff.
-     */
-    private static final String LOCALE = "de_DE";
-
-    /**
-     * Initialisiert die Klasse mit der Base URL und dem API-Schlüssel.
-     *
-     * @param newBaseUrl Die Base URL zur Amazon API.
-     * @param newApiKey  Der API-Schlüssel zur Autorisierung.
-     */
-
-    public AmazonPriceFetcher(final String newBaseUrl, final String newApiKey) {
-        this.baseUrl = newBaseUrl;
-        this.apiKey = newApiKey;
-    }
-
-    
-    
-}

src/main/java/de/rwu/easydrop/api/Test.java

@@ -0,0 +1,5 @@
+package de.rwu.easydrop.api;
+
+public @interface Test {
+
+}

src/main/java/de/rwu/easydrop/model/ProductCatalogue.java

@@ -24,6 +24,7 @@ public class ProductCatalogue {
      * Product collection.
      */
     private List<Product> products;
+    public float getProducts;
 
     /**
      * Creates new Product Catalogue.

src/test/java/de/rwu/easydrop/api/AmazonPriceFetcherTest.java

@@ -0,0 +1,56 @@
+package de.rwu.easydrop.api;
+
+import java.net.MalformedURLException;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class AmazonPriceFetcherTest {
+    private static final String BASE_URL = "https://api.amazon.com";
+    private static final String API_KEY = "your_api_key";
+    private static final String PRODUCT_ID = "12345";
+
+    private AmazonPriceFetcher priceFetcher;
+
+    @BeforeEach
+    public void setup() {
+        priceFetcher = new AmazonPriceFetcher(BASE_URL, API_KEY);
+    }
+
+    @Test
+    public void testGetProductPrice_ValidProductId_ReturnsPrice() throws MalformedURLException {
+        // Arrange
+        double expectedPrice = -1.0;
+
+        // Act
+        double actualPrice = priceFetcher.getProductPrice(PRODUCT_ID);
+
+        // Assert
+        Assertions.assertEquals(expectedPrice, actualPrice);
+    }
+
+    @Test
+    public void testGetProductPrice_InvalidProductId_ReturnsNegativePrice() throws MalformedURLException {
+        // Arrange
+        double expectedPrice = -1.0;
+
+        // Act
+        double actualPrice = priceFetcher.getProductPrice("invalid_product_id");
+
+        // Assert
+        Assertions.assertEquals(expectedPrice, actualPrice);
+    }
+
+    @Test
+    public void testGetProductPrice_ExceptionThrown_ReturnsNegativePrice() throws MalformedURLException {
+        // Arrange
+        double expectedPrice = -1.0;
+
+        // Act
+        double actualPrice = priceFetcher.getProductPrice("exception_thrown");
+
+        // Assert
+        Assertions.assertEquals(expectedPrice, actualPrice);
+    }
+}