Task 2

build.gradle

@@ -10,8 +10,11 @@ repositories {
 }
 
 dependencies {
+    implementation 'org.projectlombok:lombok:1.18.28'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.2'
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
 }
 
 test {

src/main/java/task_2/NotEnoughMaterialException.java

@@ -0,0 +1,7 @@
+package task_2;
+
+public class NotEnoughMaterialException extends RuntimeException{
+    public NotEnoughMaterialException(String message) {
+        super(message);
+    }
+}

src/main/java/task_2/NotEnoughWoodException.java

@@ -0,0 +1,7 @@
+package task_2;
+
+public class NotEnoughWoodException extends RuntimeException{
+    public NotEnoughWoodException(String message) {
+        super(message);
+    }
+}

src/main/java/task_2/OlivandersShop.java

@@ -0,0 +1,70 @@
+package task_2;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Slf4j
+public class OlivandersShop {
+    private List<WandOrder> orders = new ArrayList<>();
+    private Map<String, Integer> woodTypeCount;
+    private Map<String, Integer> coreMaterialCount;
+
+    public static void main(String[] args) {
+        Map<String, Integer> woodTypeCount = new HashMap<>();
+        woodTypeCount.put("Дуб", 10);
+        woodTypeCount.put("Липа", 15);
+        woodTypeCount.put("Береза", 13);
+        Map<String, Integer> coreMaterialCount = new HashMap<>();
+        coreMaterialCount.put("Перо", 15);
+        coreMaterialCount.put("ЧтоТо", 15);
+        coreMaterialCount.put("ЧтоТоЕще", 15);
+        OlivandersShop olivandersShop = new OlivandersShop(woodTypeCount, coreMaterialCount);
+        WandOrder order = new WandOrder("Ivan", new Wand("Дуб", 10, "Перо", 10), 5);
+        olivandersShop.placeOrder(order);
+        try {
+            System.out.println(olivandersShop.findMostPowerfulWand());
+        } catch (OrdersListIsEmptyException e) {
+            log.info(e.getStackTrace());
+        }
+    }
+
+    public OlivandersShop(Map<String, Integer> woodTypeCount, Map<String, Integer> coreMaterialCount) {
+        this.woodTypeCount = woodTypeCount;
+        this.coreMaterialCount = coreMaterialCount;
+    }
+
+    public void placeOrder(WandOrder order) throws NotEnoughWoodException {
+        String woodType = order.getWand().getWoodType();
+        Integer woodTypeCnt = woodTypeCount.get(woodType);
+        checkQuantity(order, woodTypeCnt, woodType);
+        String coreMaterial = order.getWand().getCoreMaterial();
+        Integer coreMaterialCnt = coreMaterialCount.get(coreMaterial);
+        checkQuantity(order, coreMaterialCnt, coreMaterial);
+        woodTypeCount.put(woodType, woodTypeCnt - order.getQuantity());
+        coreMaterialCount.put(coreMaterial, coreMaterialCnt - order.getQuantity());
+        orders.add(order);
+    }
+
+    private void checkQuantity(WandOrder order, Integer typeCnt, String type) {
+        if (typeCnt == null || typeCnt < order.getQuantity()) {
+            throw new NotEnoughWoodException(type);
+        }
+    }
+
+    public Wand findMostPowerfulWand() throws OrdersListIsEmptyException {
+        if (orders.isEmpty()) {
+            throw new OrdersListIsEmptyException("Список заказов пуст");
+        }
+        WandOrder maxQualityWand = new WandOrder();
+        for (WandOrder order : orders) {
+            if (order.getQuantity() > maxQualityWand.getQuantity()) {
+                maxQualityWand = order;
+            }
+        }
+        return maxQualityWand.getWand();
+    }
+}

src/main/java/task_2/OrdersListIsEmptyException.java

@@ -0,0 +1,7 @@
+package task_2;
+
+public class OrdersListIsEmptyException extends Exception{
+    public OrdersListIsEmptyException(String message) {
+        super(message);
+    }
+}

src/main/java/task_2/Wand.java

@@ -0,0 +1,71 @@
+package task_2;
+
+public class Wand {
+    private String woodType;
+    private int length;
+    private String coreMaterial;
+    private int powerLevel;
+
+    public Wand(String woodType, int length, String coreMaterial, int powerLevel) {
+        setWoodType(woodType);
+        setLength(length);
+        setCoreMaterial(coreMaterial);
+        setPowerLevel(powerLevel);
+    }
+
+    @Override
+    public String toString() {
+        return "Wand{" +
+                "woodType='" + woodType + '\'' +
+                ", length=" + length +
+                ", coreMaterial='" + coreMaterial + '\'' +
+                ", powerLevel=" + powerLevel +
+                '}';
+    }
+
+    public String getWoodType() {
+        return woodType;
+    }
+
+    public void setWoodType(String woodType) {
+        if (woodType.isBlank()) {
+            throw new IllegalArgumentException("wood type not be empty");
+        }
+        this.woodType = woodType;
+    }
+
+    public int getLength() {
+        return length;
+    }
+
+    public void setLength(int length) {
+        if (length <= 0) {
+            throw new IllegalArgumentException("wand length must be ,ore than 0");
+        }
+        this.length = length;
+    }
+
+    public String getCoreMaterial() {
+        return coreMaterial;
+    }
+
+    public void setCoreMaterial(String coreMaterial) {
+        if (woodType.isBlank()) {
+            throw new IllegalArgumentException("core material type not be empty");
+        }
+        this.coreMaterial = coreMaterial;
+    }
+
+    public int getPowerLevel() {
+        return powerLevel;
+    }
+
+    public void setPowerLevel(int powerLevel) {
+        if (length <= 0) {
+            throw new IllegalArgumentException("wand power must be ,ore than 0");
+        }
+        this.powerLevel = powerLevel;
+    }
+
+
+}

src/main/java/task_2/WandOrder.java

@@ -0,0 +1,46 @@
+package task_2;
+
+public class WandOrder {
+    private String customerName;
+    private Wand wand;
+    private int quantity;
+
+    public WandOrder() {
+    }
+
+    public WandOrder(String customerName, Wand wand, int quantity) {
+        setCustomerName(customerName);
+        setWand(wand);
+        setQuantity(quantity);
+    }
+
+    public String getCustomerName() {
+        return customerName;
+    }
+
+    public void setCustomerName(String customerName) {
+        if (customerName.isBlank()) {
+            throw new IllegalArgumentException("Name customer must be not empty");
+        }
+        this.customerName = customerName;
+    }
+
+    public Wand getWand() {
+        return wand;
+    }
+
+    public void setWand(Wand wand) {
+        this.wand = wand;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(int quantity) {
+        if (quantity <= 0) {
+            throw new IllegalArgumentException("Count must be more than 0");
+        }
+        this.quantity = quantity;
+    }
+}