product update and delete

thomasr13 · Aug 25, 2022 · 47b06bc18f08dc5c1016118aacdf188914dad5e4 · 47b06bc
1 parent 85c1e93
commit 47b06bc18f08dc5c1016118aacdf188914dad5e4
Show file tree

Hide file tree

Showing 8 changed files with 204 additions and 49 deletions.
diff --git a/WebContent/admin.jsp b/WebContent/admin.jsp
@@ -1,6 +1,7 @@
 
 
 
+<%@page import="cfy.model.User"%>
 <%@page import="cfy.model.Product"%>
 <%@page import="java.util.List"%>
 <%
@@ -32,8 +33,7 @@ List<Product> prod = (List<Product>) request.getAttribute("product");
 
 		<div class="admin-product-form-container">
 
-			<form action="admin" method="post"
-				enctype="multipart/form-data">
+			<form action="admin" method="post" enctype="multipart/form-data">
 				<h3>add a new product</h3>
 				<input type="text" placeholder="enter product name"
 					name="product_name" class="box"> <input type="number"
@@ -76,9 +76,10 @@ List<Product> prod = (List<Product>) request.getAttribute("product");
 					<td><%=p.getDetails()%></td>
 					<td><%=p.getCategory()%></td>
 
-					<td><a href="" class="btn"> <i class="fas fa-edit"></i>
+					<td><a href="admin?action=update&id=<%=p.getId()%>" class="btn"> <i class="fas fa-edit"></i>
 							edit
-					</a> <a href="" class="btn"> <i class="fas fa-trash"></i> delete
+					</a> <a href="admin?action=del&id=<%=p.getId()%>" class="btn"> <i
+							class="fas fa-trash"></i> delete
 					</a></td>
 				</tr>
 

diff --git a/WebContent/adminUpdate.jsp b/WebContent/adminUpdate.jsp
@@ -0,0 +1,63 @@
+
+
+
+<%@page import="cfy.model.User"%>
+<%@page import="cfy.model.Product"%>
+<%@page import="java.util.List"%>
+<%
+Product prod = (Product) request.getAttribute("product");
+%>
+
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<title>admin update page</title>
+
+<!-- font awesome cdn link  -->
+<link rel="stylesheet"
+	href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
+
+<!-- custom css file link  -->
+<link rel="stylesheet" href="./css/admin.css">
+
+</head>
+<body>
+
+
+
+	<div class="container">
+
+		<div class="admin-product-form-container">
+
+			<form action="admin?action=update" method="post">
+				<h3>Update product</h3>
+				<input type="text" value="<%=prod.getId()%>" name="product_id"
+					hidden>
+					<input type="text" placeholder="enter product name"
+					name="product_name" class="box" value="<%=prod.getName()%>"> 
+					<input type="number"
+					placeholder="enter product price" name="product_price" class="box"
+					value="<%=prod.getPrice()%>"> 
+					<input type="text"
+					placeholder="enter product details" name="product_details"
+					class="box" value="<%=prod.getDetails()%>"> 
+					<input
+					type="text" placeholder="enter product category"
+					name="product_category" class="box" value="<%=prod.getCategory()%>">
+				<input type="submit" class="btn" name="add_product"
+					value="update product">
+			</form>
+
+		</div>
+
+
+
+	</div>
+
+
+</body>
+</html>
diff --git a/src/cfy/dao/ProductDao.java b/src/cfy/dao/ProductDao.java
@@ -19,7 +19,7 @@ public class ProductDao {
 	}
 
 	public List<Product> getAllProducts() {
-		List<Product> book = new ArrayList<>();
+		List<Product> prod = new ArrayList<>();
 		try {
 
 			query = "select * from products";
@@ -35,14 +35,14 @@ public class ProductDao {
 				row.setPrice(rs.getInt("price"));
 				row.setImage(rs.getString("image"));
 
-				book.add(row);
+				prod.add(row);
 			}
 
 		} catch (SQLException e) {
 			e.printStackTrace();
 			System.out.println(e.getMessage());
 		}
-		return book;
+		return prod;
 	}
 
 	public Product getSingleProduct(int id) {
@@ -142,4 +142,43 @@ public class ProductDao {
 		}
 		return result;
 	}
+
+	public int delete(int parseInt) {
+
+		int result = 0;
+
+		query = "delete from products where id=?";
+		try {
+
+			pst = this.con.prepareStatement(query);
+			pst.setInt(1, parseInt);
+
+			result = pst.executeUpdate();
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return result;
+	}
+
+	public int update(Product prod) {
+
+		int result = 0;
+		query = "update products set name=?,category=?,details=?,price=? where id=?";
+		try {
+
+			pst = this.con.prepareStatement(query);
+			pst.setString(1, prod.getName());
+			pst.setString(2, prod.getCategory());
+			pst.setString(3, prod.getDetails());
+			pst.setInt(4, prod.getPrice());
+			pst.setInt(5, prod.getId());
+			result = pst.executeUpdate();
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return result;
+	}
 }
diff --git a/src/cfy/model/Product.java b/src/cfy/model/Product.java
@@ -26,6 +26,18 @@ public class Product {
 	}
 
 
+
+
+	public Product(int id, String name, String category, String details, int price) {
+		super();
+		this.id = id;
+		this.name = name;
+		this.category = category;
+		this.details = details;
+		this.price = price;
+	}
+
+
 	public int getId() {
 		return id;
 	}

diff --git a/src/cfy/servlet/AdminPanel.java b/src/cfy/servlet/AdminPanel.java
@@ -18,6 +18,7 @@ import javax.servlet.http.Part;
 import cfy.connection.DbCon;
 import cfy.dao.ProductDao;
 import cfy.model.Product;
+import cfy.model.User;
 
 /**
  * Servlet implementation class AdminPanel
@@ -42,58 +43,97 @@ public class AdminPanel extends HttpServlet {
 	 */
 	protected void doGet(HttpServletRequest request, HttpServletResponse response)
 			throws ServletException, IOException {
-		System.out.println("@amin");
-		List<Product> product = new ArrayList<>();
-		try {
-			product = new ProductDao(DbCon.getConnection()).getAllProducts();
-		} catch (ClassNotFoundException | SQLException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+
+		if ("del".equals(request.getParameter("action"))) {
+
+			if (request.getParameter("id") != null) {
+				try {
+					int status = new ProductDao(DbCon.getConnection())
+							.delete(Integer.parseInt(request.getParameter("id")));
+				} catch (NumberFormatException | ClassNotFoundException | SQLException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+			}
+
+			response.sendRedirect("admin");
+		} else if("update".equals(request.getParameter("action"))) {
+
+			Product product = null;
+			try {
+				product = new ProductDao(DbCon.getConnection()).getSingleProduct(Integer.parseInt(request.getParameter("id")));
+			} catch (NumberFormatException | ClassNotFoundException | SQLException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+
+			request.setAttribute("product", product);
+			RequestDispatcher rd = getServletContext().getRequestDispatcher("/adminUpdate.jsp");
+			rd.forward(request, response);
+		}
+
+		else {
+			List<Product> product = new ArrayList<>();
+			try {
+				product = new ProductDao(DbCon.getConnection()).getAllProducts();
+			} catch (ClassNotFoundException | SQLException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+			request.setAttribute("product", product);
+			RequestDispatcher rd = getServletContext().getRequestDispatcher("/admin.jsp");
+			rd.forward(request, response);
 		}
-		request.setAttribute("product", product);
-		RequestDispatcher rd = getServletContext().getRequestDispatcher("/admin.jsp");
-		rd.forward(request, response);
 	}
 
-	/**
-	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
-	 *      response)
-	 */
+
 	protected void doPost(HttpServletRequest request, HttpServletResponse response)
 			throws ServletException, IOException {
+
+		if ("update".equals(request.getParameter("action"))) {
+
+
+			try {
+				int result = new ProductDao(DbCon.getConnection()).update(new Product(
+						Integer.parseInt(request.getParameter("product_id")), request.getParameter("product_name"),
+						request.getParameter("product_category"), request.getParameter("product_details"),
+						Integer.parseInt(request.getParameter("product_price"))));
+			} catch (NumberFormatException | ClassNotFoundException | SQLException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+
+			response.sendRedirect("admin");
+
+		} else {
+			Part part = request.getPart("product_image");
+			String fn = part.getSubmittedFileName();
+			String imagepath = getServletContext().getRealPath("/product-image" + File.separator + fn);
+			log(imagepath);
+
+			File theDir = new File(imagepath);
+			if (!theDir.exists()) {
+				theDir.mkdirs();
+			}
 
-		String name = "";
-		int price = 0;
-		String detail = "";
-		String category = "";
-
-		Part part = request.getPart("product_image");
-		String fn = part.getSubmittedFileName();
-		String imagepath = getServletContext().getRealPath("/product-image" + File.separator + fn);
-		log(imagepath);
-
-		File theDir = new File(imagepath);
-		if (!theDir.exists()) {
-			theDir.mkdirs();
-		}
+			try {
+				part.write(imagepath);
+				Product prod = new Product();
+				prod.setName(request.getParameter("product_name"));
+				prod.setPrice(Integer.parseInt(request.getParameter("product_price")));
+				prod.setCategory(request.getParameter("product_category"));
+				prod.setDetails(request.getParameter("product_details"));
+				prod.setImage(fn);
 
-		try {
-			part.write(imagepath);
-			Product prod = new Product();
-			prod.setName(request.getParameter("product_name"));
-			prod.setPrice(Integer.parseInt(request.getParameter("product_price")));
-			prod.setCategory(request.getParameter("product_category"));
-			prod.setDetails(request.getParameter("product_details"));
-			prod.setImage(fn);
+				int res = new ProductDao(DbCon.getConnection()).add(prod);
 
-			int res = new ProductDao(DbCon.getConnection()).add(prod);
+				if (res > 0) {
+					response.sendRedirect("admin");
+				}
 
-			if (res > 0) {
-				response.sendRedirect("admin");
+			} catch (Exception e) {
+				// TODO: handle exception
 			}
-
-		} catch (Exception e) {
-			// TODO: handle exception
 		}
 
 	}

diff --git a/target/classes/cfy/dao/ProductDao.class b/target/classes/cfy/dao/ProductDao.class
diff --git a/target/classes/cfy/model/Product.class b/target/classes/cfy/model/Product.class
diff --git a/target/classes/cfy/servlet/AdminPanel.class b/target/classes/cfy/servlet/AdminPanel.class