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manav(1710991453)/Administrator.java

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+package com.wipro.sales.service;
+
+import java.sql.*;
+import java.util.ArrayList;
+import com.wipro.sales.dao.*;
+import com.wipro.sales.bean.*;
+
+public class Administrator {
+
+	private static StockDao stockDao = new StockDao();
+	private static SalesDao salesDao = new SalesDao();
+
+	public synchronized String insertStock(Stock stockobj) {
+		if (stockobj != null && stockobj.getProductName().length() >= 2) {
+			String productID = stockDao.generateProductID(stockobj.getProductName());
+			stockobj.setProductID(productID);
+			if (stockDao.insertStock(stockobj) == 1)
+				return productID;
+			else
+				return "Data not Valid ";
+		} else {
+			return "Data not Valid ";
+		}
+	}
+
+
+	public String deleteStock(String productID) {
+		if (stockDao.deleteStock(productID) == 1)
+			return "deleted";
+		else 
+			return "record cannot be deleted";
+	}
+
+
+	public String insertSales(Sales salesobj) {
+		if (salesobj == null) 
+			return "Object not valid for insertion";
+
+		if (stockDao.getStock(salesobj.getProductID()) == null)
+			return "Unknown Product";
+
+		if (stockDao.getStock(salesobj.getProductID()).getQuantityOnHand() < salesobj.getQuantitySold())
+			return "Not enough stock ";
+
+		if (salesobj.getSalesDate().before(new Date(0)))
+			return "Invalid date";
+
+		String salesID = salesDao.generateSalesID(salesobj.getSalesDate());
+		salesobj.setSalesID(salesID);
+
+		if (salesDao.insertSales(salesobj) == 1) {
+			if (stockDao.updateStock(salesobj.getProductID(), salesobj.getQuantitySold()) == 1)
+				return " record  successfully";
+			else 
+				return "Error";
+		} else {
+			return "Error";
+		}
+	}
+
+
+	public ArrayList<SalesReport> getSalesReport(){
+		return salesDao.getSalesReport();
+	}
+}

manav(1710991453)/DBUtil.java

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+package com.wipro.sales.util;
+
+import java.sql.*;
+
+public class DBUtil {
+	static String db_url = "jdbc:oracle:thin:@localhost:1521:xe";
+	static Connection con = null;
+	static String user = "username";
+	static String pass = "password";
+	public static Connection getDBConnection() {
+		try {
+			con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521", "scott", "tiger");
+			return con;
+		} catch (SQLException e) {
+			System.out.println("Connection could not be estanlished");
+			e.printStackTrace();
+			return null;
+		}
+	}
+}

manav(1710991453)/Sales.java

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+package com.wipro.sales.bean;
+
+public class Sales {
+	String salesID;
+	java.util.Date salesDate;
+	String productID;
+	int quantitySold;
+	double salesPricePerUnit;
+	public String getSalesID() {
+		return salesID;
+	}
+	public void setSalesID(String salesID) {
+		this.salesID = salesID;
+	}
+	public java.util.Date getSalesDate() {
+		return salesDate;
+	}
+	public void setSalesDate(java.util.Date salesDate) {
+		this.salesDate = salesDate;
+	}
+	public String getProductID() {
+		return productID;
+	}
+	public void setProductID(String productID) {
+		this.productID = productID;
+	}
+	public int getQuantitySold() {
+		return quantitySold;
+	}
+	public void setQuantitySold(int quantitySold) {
+		this.quantitySold = quantitySold;
+	}
+	public double getSalesPricePerUnit() {
+		return salesPricePerUnit;
+	}
+	public void setSalesPricePerUnit(double salesPricePerUnit) {
+		this.salesPricePerUnit = salesPricePerUnit;
+	}
+
+}

manav(1710991453)/SalesApplication.java

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+package com.wipro.sales.main;
+
+import java.util.Scanner;
+import com.wipro.sales.bean.*;
+import com.wipro.sales.service.*;
+import java.sql.*;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+public class SalesApplication {
+
+	public static void main(String[] args) throws ParseException {
+		Scanner sc = new Scanner(System.in);
+
+		Administrator admin = new Administrator();
+
+		int choice = 0;
+
+		do {
+			System.out.println("1. Insert Stock");
+			System.out.println("2. Delete Stock");
+			System.out.println("3. Insert Sales");
+			System.out.println("4. View Sales Report");
+			System.out.print("Enter your Choice: ");
+			choice = sc.nextInt();
+
+			switch (choice) {
+			case 1:
+				Stock stock = new Stock();
+				System.out.print("Enter product ID: ");
+				stock.setProductID(sc.nextLine());
+				System.out.print("Enter product name: ");
+				stock.setProductName(sc.nextLine());
+				System.out.print("Enter quantity on hand: ");
+				stock.setQuantityOnHand(sc.nextInt());
+				sc.nextLine();
+				System.out.print("Enter product unit price: ");
+				stock.setProductUnitPrice(sc.nextDouble());
+				System.out.print("Enter product reorder level: ");
+				stock.setReorderLevel(sc.nextInt());
+				sc.nextLine();
+				admin.insertStock(stock);
+				break;
+			case 2:
+				System.out.print("Enter product id to be deleted: ");
+				String removeId = sc.nextLine();
+				removeId = admin.deleteStock(removeId);
+				if (removeId != null) System.out.println(removeId + " removed successfully");
+				break;
+			case 3:
+				Sales sales = new Sales();
+				System.out.print("Enter sales id: ");
+				sales.setSalesID(sc.nextLine());
+				System.out.print("Enter date (dd-mm-yyyy): ");
+				String sDate = sc.nextLine();  
+			    Date date = (Date) new SimpleDateFormat("dd-mm-yyyy").parse(sDate); 
+				sales.setSalesDate(date);
+				System.out.print("Enter product id: ");
+				sales.setProductID(sc.nextLine());
+				System.out.print("Enter quantity sold: ");
+				sales.setQuantitySold(sc.nextInt());
+				sc.nextLine();
+				System.out.print("Enter sales price per unit: ");
+				sales.setSalesPricePerUnit(sc.nextDouble());
+				admin.insertSales(sales);
+				break;
+			case 4:
+				admin.getSalesReport();
+				break;
+			default:
+				System.out.println("Exiting...");
+				choice = 0;
+				break;
+			}
+		} while (choice >= 1 && choice <= 4);
+
+		sc.close();
+	}
+
+}

manav(1710991453)/SalesReport.java

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+package com.wipro.sales.bean;
+
+public class SalesReport {
+	String salesID;
+	java.util.Date salesDate;
+	String productID;
+	String productName;
+	int quantitySold;
+	double productUnitPrice;
+	double salesPricePerUnit;
+	double profitAmount;
+	public String getSalesID() {
+		return salesID;
+	}
+	public void setSalesID(String salesID) {
+		this.salesID = salesID;
+	}
+	public java.util.Date getSalesDate() {
+		return salesDate;
+	}
+	public void setSalesDate(java.util.Date salesDate) {
+		this.salesDate = salesDate;
+	}
+	public String getProductID() {
+		return productID;
+	}
+	public void setProductID(String productID) {
+		this.productID = productID;
+	}
+	public String getProductName() {
+		return productName;
+	}
+	public void setProductName(String productName) {
+		this.productName = productName;
+	}
+	public int getQuantitySold() {
+		return quantitySold;
+	}
+	public void setQuantitySold(int quantitySold) {
+		this.quantitySold = quantitySold;
+	}
+	public double getProductUnitPrice() {
+		return productUnitPrice;
+	}
+	public void setProductUnitPrice(double productUnitPrice) {
+		this.productUnitPrice = productUnitPrice;
+	}
+	public double getSalesPricePerUnit() {
+		return salesPricePerUnit;
+	}
+	public void setSalesPricePerUnit(double salesPricePerUnit) {
+		this.salesPricePerUnit = salesPricePerUnit;
+	}
+	public double getProfitAmount() {
+		return profitAmount;
+	}
+	public void setProfitAmount(double profitAmount) {
+		this.profitAmount = profitAmount;
+	}
+
+}

manav(1710991453)/Stock.java

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+package com.wipro.sales.bean;
+
+public class Stock {
+	String productID;
+	String productName;
+	int quantityOnHand;
+	double productUnitPrice;
+	int reorderLevel;
+	public String getProductID() {
+		return productID;
+	}
+	public void setProductID(String productID) {
+		this.productID = productID;
+	}
+	public String getProductName() {
+		return productName;
+	}
+	public void setProductName(String productName) {
+		this.productName = productName;
+	}
+	public int getQuantityOnHand() {
+		return quantityOnHand;
+	}
+	public void setQuantityOnHand(int quantityOnHand) {
+		this.quantityOnHand = quantityOnHand;
+	}
+	public double getProductUnitPrice() {
+		return productUnitPrice;
+	}
+	public void setProductUnitPrice(double productUnitPrice) {
+		this.productUnitPrice = productUnitPrice;
+	}
+	public int getReorderLevel() {
+		return reorderLevel;
+	}
+	public void setReorderLevel(int reorderLevel) {
+		this.reorderLevel = reorderLevel;
+	}
+
+}