Merge pull request 'feature/config' (#78) from feature/config into master

Reviewed-by: CodeSteak <codesteak@shellf.art>

prototype/.gitignore

@@ -5,3 +5,5 @@ e-commerce.db
 ./e-commerce.iml
 ./e-commerce.ipr
 ./e-commerce.iws
+
+config.yml

prototype/build.gradle

@@ -28,6 +28,7 @@ dependencies {
     implementation 'com.github.gwenn:sqlite-dialect:0.1.0'
     implementation 'org.springframework.boot:spring-boot-devtools'
     implementation 'org.xerial:sqlite-jdbc:3.31.1'
+    implementation 'org.yaml:snakeyaml:1.26'
     testCompile("org.springframework.boot:spring-boot-starter-test")
 }
 

prototype/src/main/java/org/hso/ecommerce/app/config/AppSettings.java

@@ -0,0 +1,161 @@
+package org.hso.ecommerce.app.config;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hso.ecommerce.app.config.YAMLData.Address;
+import org.springframework.stereotype.Component;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.constructor.Constructor;
+
+import javax.annotation.PostConstruct;
+
+@Component("appSettings")
+public class AppSettings {
+
+	private YAMLData data;
+	private final String configFile = "config.yml";
+
+	private String installationName;
+	private String companyName;
+	private Address companyAddress;
+	private int numberOfStorageSpaces;
+	private List<YAMLData.Supplier> suppliers;
+	private String parcelServiceName;
+	private String parcelServiceApiURL;
+	
+	/**
+	 * on initialization read the config and store the data in static objects
+	 */
+	@PostConstruct
+	public void init() {
+		data = readConfig();
+
+		installationName = data.getInstallationName();
+		companyName = data.getCompanyName();
+		companyAddress = data.getCompanyAddress();
+		numberOfStorageSpaces = data.getNumberOfStorageSpaces();
+		suppliers = data.getSuppliers();
+		parcelServiceName = data.getParcelServiceName();
+		parcelServiceApiURL = data.getParcelServiceApiURL();
+
+		System.out.println("Initialised Settings!");
+	}
+
+	/**
+	 * write the default config file
+	 */
+	public void writeDefaultConfig() {
+		YAMLData data = new YAMLData();
+		data.setInstallationName("eCommerce");
+		data.setCompanyName("eCommerce Shop UG");
+		data.setCompanyAddress(new Address(
+				"Musterstraße",
+				"1",
+				"12345",
+				"Musterstadt",
+				"Germany"
+		));
+		data.setNumberOfStorageSpaces(128);
+
+		List<YAMLData.Supplier> suppliers = new ArrayList<>();
+		suppliers.add(new YAMLData.Supplier(
+				"Bank of Chees",
+				"d41d8cd98f00b204e9800998ecf8427e",
+				"http://[::1]:8081/bank/",
+				4,
+				new Address(
+						"Musterstraße",
+						"2",
+						"12345",
+						"Musterstadt",
+						"Germany"
+				)
+		));
+		suppliers.add(new YAMLData.Supplier(
+				"MDA",
+				"18a17da5bac1cf00551b08c3e98720f5",
+				"http://[::1]:8081/mda/",
+				5,
+				new Address(
+						"Musterstraße",
+						"3",
+						"12345",
+						"Musterstadt",
+						"Germany"
+				)
+		));
+		data.setSuppliers(suppliers);
+
+		data.setParcelServiceName("Parcel Service");
+		data.setParcelServiceApiURL("http://[::1]:8082/");
+
+		try (FileWriter writer = new FileWriter("./" + configFile)) {
+			Yaml yaml = new Yaml();
+			yaml.dump(data, writer);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+	}
+
+	/**
+	 * read a config file named "eCommerce_config.yml" from the applications root directory
+	 * @return the settings as YAMLData object
+	 */
+	public YAMLData readConfig() {
+		YAMLData data = new YAMLData();
+
+		File file = new File("./" + configFile);
+		if (!file.exists()) {
+			writeDefaultConfig();
+		}
+
+		try (InputStream inputStream = new FileInputStream("./" + configFile)) {
+			Yaml yaml = new Yaml(new Constructor(YAMLData.class));
+			data = yaml.load(inputStream);
+		} catch (FileNotFoundException e) {
+			System.err.println("The file \"" + configFile + "\" has not been found, please create a valid Configuration file.");
+			e.printStackTrace();
+			System.exit(1);
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.exit(1);
+		}
+
+		return data;
+	}
+
+	public YAMLData getData() {
+		return data;
+	}
+
+	public String getInstallationName() {
+		return installationName;
+	}
+
+	public String getCompanyName() {
+		return companyName;
+	}
+
+	public Address getCompanyAddress() {
+		return companyAddress;
+	}
+
+	public int getNumberOfStorageSpaces() {
+		return numberOfStorageSpaces;
+	}
+
+	public List<YAMLData.Supplier> getSuppliers() {
+		return suppliers;
+	}
+
+	public String getParcelServiceName() {
+		return parcelServiceName;
+	}
+
+	public String getParcelServiceApiURL() {
+		return parcelServiceApiURL;
+	}
+}

prototype/src/main/java/org/hso/ecommerce/app/config/YAMLData.java

@@ -0,0 +1,183 @@
+package org.hso.ecommerce.app.config;
+
+import java.util.List;
+
+public class YAMLData {
+
+	private String installationName;
+	private String companyName;
+	private Address companyAddress;
+	private int numberOfStorageSpaces;
+	private List<Supplier> suppliers;
+	private String parcelServiceName;
+	private String parcelServiceApiURL;
+	
+	
+	public String getInstallationName() {
+		return installationName;
+	}
+	public void setInstallationName(String installationName) {
+		this.installationName = installationName;
+	}
+	public String getCompanyName() {
+		return companyName;
+	}
+	public void setCompanyName(String companyName) {
+		this.companyName = companyName;
+	}
+	public Address getCompanyAddress() {
+		return companyAddress;
+	}
+	public void setCompanyAddress(Address companyAddress) {
+		this.companyAddress = companyAddress;
+	}
+	public int getNumberOfStorageSpaces() {
+		return numberOfStorageSpaces;
+	}
+	public void setNumberOfStorageSpaces(int numberOfStorageSpaces) {
+		this.numberOfStorageSpaces = numberOfStorageSpaces;
+	}
+	public List<Supplier> getSuppliers() {
+		return suppliers;
+	}
+	public void setSuppliers(List<Supplier> suppliers) {
+		this.suppliers = suppliers;
+	}
+	public String getParcelServiceName() {
+		return parcelServiceName;
+	}
+	public void setParcelServiceName(String parcelServiceName) {
+		this.parcelServiceName = parcelServiceName;
+	}
+	public String getParcelServiceApiURL() {
+		return parcelServiceApiURL;
+	}
+	public void setParcelServiceApiURL(String parcelServiceApiURL) {
+		this.parcelServiceApiURL = parcelServiceApiURL;
+	}
+	
+	public static class Address {
+
+		public String streetName;
+		public String houseNumber;
+		public String zipCode;
+		public String cityName;
+		public String countryName;
+
+		public Address() {
+			// needed by snakeyaml
+		}
+
+		public Address(String streetName, String houseNumber, String zipCode, String cityName, String countryName) {
+			this.streetName = streetName;
+			this.houseNumber = houseNumber;
+			this.zipCode = zipCode;
+			this.cityName = cityName;
+			this.countryName = countryName;
+		}
+
+		public String getStreetName() {
+			return streetName;
+		}
+
+		public void setStreetName(String streetName) {
+			this.streetName = streetName;
+		}
+
+		public String getHouseNumber() {
+			return houseNumber;
+		}
+
+		public void setHouseNumber(String houseNumber) {
+			this.houseNumber = houseNumber;
+		}
+
+		public String getZipCode() {
+			return zipCode;
+		}
+
+		public void setZipCode(String zipCode) {
+			this.zipCode = zipCode;
+		}
+
+		public String getCityName() {
+			return cityName;
+		}
+
+		public void setCityName(String cityName) {
+			this.cityName = cityName;
+		}
+
+		public String getCountryName() {
+			return countryName;
+		}
+
+		public void setCountryName(String countryName) {
+			this.countryName = countryName;
+		}
+	}
+
+	public static class Supplier {
+
+		public String name;
+		public String id;
+		public String apiURL;
+		public int deliveryTime;
+		public Address companyAddress;
+
+
+		public Supplier() {
+			// needed by snakeyaml
+		}
+
+		public Supplier(String name, String id, String apiURL, int deliveryTime, Address companyAddress) {
+			this.name = name;
+			this.id = id;
+			this.apiURL = apiURL;
+			this.deliveryTime = deliveryTime;
+			this.companyAddress = companyAddress;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public String getId() {
+			return id;
+		}
+
+		public void setId(String id) {
+			this.id = id;
+		}
+
+		public String getApiURL() {
+			return apiURL;
+		}
+
+		public void setApiURL(String apiURL) {
+			this.apiURL = apiURL;
+		}
+
+		public int getDeliveryTime() {
+			return deliveryTime;
+		}
+
+		public void setDeliveryTime(int deliveryTime) {
+			this.deliveryTime = deliveryTime;
+		}
+
+		public Address getCompanyAddress() {
+			return companyAddress;
+		}
+
+		public void setCompanyAddress(Address companyAddress) {
+			this.companyAddress = companyAddress;
+		}
+
+	}
+
+}

prototype/src/main/java/org/hso/ecommerce/components/SlotInitializer.java

@@ -1,5 +1,6 @@
 package org.hso.ecommerce.components;
 
+import org.hso.ecommerce.app.config.AppSettings;
 import org.hso.ecommerce.entities.warehouse.Slot;
 import org.hso.ecommerce.repos.warehouse.SlotRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -13,18 +14,22 @@ public class SlotInitializer {
 	@Autowired
 	private final SlotRepository slotRepository = null;
 
-	// TODO: use values form cfg.
-	private final int NUM_SLOTS = 50;
+    @Autowired
+    private final AppSettings appSettings = null;
+
+    @PostConstruct
+    public void init() {
+        int NUM_SLOTS = appSettings.getNumberOfStorageSpaces();
+
+        for (int i = 1; i <= NUM_SLOTS; i++) {
+            if (!slotRepository.findBySlotNum(i).isPresent()) {
+                Slot slotAdded = new Slot();
+                slotAdded.slotNum = i;
+                slotRepository.save(slotAdded);
+
+                System.out.println("Added Slot " + i + " to DB");
+            }
+        }
+    }
 
-	@PostConstruct
-	public void init() {
-		for (int i = 1; i <= NUM_SLOTS; i++) {
-			if (!slotRepository.findBySlotNum(i).isPresent()) {
-				Slot slotAdded = new Slot();
-				slotAdded.slotNum = i;
-				slotRepository.save(slotAdded);
-				System.out.println("Added Slot " + i + " to DB");
-			}
-		}
-	}
 }