Module 1 Solution

sarah · sarah · commit 145208cdf13a · 2018-05-29T14:09:41.000-04:00
diff --git a/book_store.db b/book_store.db
diff --git a/src/main/java/com/pluralsight/BookDAO.java b/src/main/java/com/pluralsight/BookDAO.java
@@ -90,4 +90,16 @@ public boolean insertBook(Book book)  {
 
         return false;
     }
+
+    public void deleteBook(int id) {
+      String SQL = "DELETE FROM book WHERE id = ?";
+      try {
+        PreparedStatement statement = jdbcConnection.prepareStatement(SQL);
+        statement.setInt(1, id);
+        statement.executeUpdate();
+        statement.close();
+      } catch (SQLException e) {
+        e.printStackTrace();
+      }
+    }
 }
diff --git a/src/main/java/com/pluralsight/ControllerServlet.java b/src/main/java/com/pluralsight/ControllerServlet.java
@@ -58,6 +58,9 @@ public void doGet(HttpServletRequest request, HttpServletResponse response)
           break;
 				case "/insert":
 					insertBook(request, response);
+          break;
+				case "/delete":
+					deleteBook(request, response);
           break;
         default:
 				   listBooks(request, response);
@@ -105,6 +108,14 @@ private void insertBook(HttpServletRequest request, HttpServletResponse response
 		response.sendRedirect("list");
 	}
 
+	private void deleteBook(HttpServletRequest request, HttpServletResponse response)
+		throws ServletException, IOException {
+			int id = Integer.parseInt(request.getParameter("id"));
+			bookDAO.deleteBook(id);
+
+			response.sendRedirect("list");
+		}
+
 	/**
 	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
 	 */
diff --git a/src/main/webapp/BookAdmin.jsp b/src/main/webapp/BookAdmin.jsp
@@ -32,8 +32,8 @@
 	                    <td> ${ item.getTitle() } </td>
 	                    <td> ${ item.getAuthor() } </td>
 	                    <td> <fmt:formatNumber value = "${ item.getPrice() }" type = "currency"/>  </td>
-                      <td> <a href="#edit">Edit</a>
-                           <a href="#delete">Delete</a> </td>
+                      <td> <a href="edit?id=<c:out value='${item.getId()}' />">Edit</a>
+                           <a href="delete?id=<c:out value='${item.getId()}' />">Delete</a> </td>
 	                </tr>
 	            </c:forEach>
 	        </table>
