App is migrated from on Prem storage to the MySql Database

cankush625 · cankush625 · commit 363bc15ca73f · 2019-12-27T20:06:09.000+05:30
Signed-off-by: cankush625 &lt;cankush625@gmail.com&gt;
diff --git a/TodoList.iml b/TodoList.iml
@@ -16,5 +16,6 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="library" name="mysql-connector-java-8.0.17" level="project" />
   </component>
 </module>
diff --git a/TodoListItems.txt b/TodoListItems.txt
diff --git a/out/production/TodoList/com/cankush/todolist/Controller.class b/out/production/TodoList/com/cankush/todolist/Controller.class
diff --git a/out/production/TodoList/com/cankush/todolist/Main.class b/out/production/TodoList/com/cankush/todolist/Main.class
diff --git a/src/com/cankush/todolist/Controller.java b/src/com/cankush/todolist/Controller.java
@@ -1,5 +1,6 @@
 package com.cankush.todolist;
 
+import com.cankush.todolist.database.MysqlConnect;
 import com.cankush.todolist.datamodel.TodoData;
 import com.cankush.todolist.datamodel.TodoItem;
 import javafx.application.Platform;
@@ -19,6 +20,7 @@
 import javafx.util.Callback;
 
 import java.io.IOException;
+import java.sql.SQLException;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 import java.util.Comparator;
@@ -55,17 +57,32 @@ public void initialize() {
         // initializing context menu list
         listContextMenu = new ContextMenu();
         MenuItem deleteMenuItem = new MenuItem("Delete");
+        // Adding menu to edit the todoItem
+        MenuItem editMenuItem = new MenuItem("Edit");
         // Code for deleting the selected item
         deleteMenuItem.setOnAction(new EventHandler<ActionEvent>() {
             @Override
             public void handle(ActionEvent event) {
                 TodoItem item = todoListView.getSelectionModel().getSelectedItem();
-                deleteItem(item);
+                try {
+                    deleteItem(item);
+                } catch (SQLException e) {
+                    System.out.println(e.getMessage());
+                }
+            }
+        });
+        // Code for editing the selected item
+        editMenuItem.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent event) {
+                TodoItem item = todoListView.getSelectionModel().getSelectedItem();
+                editItem(item);
             }
         });
         // Adding delete option to the context menu
         listContextMenu.getItems().addAll(deleteMenuItem);
-
+        // Adding edit option to the context menu
+        listContextMenu.getItems().addAll(editMenuItem);
         // Adding change listener to select the item that is changed
         // Whenever the change is occur this will automatically trigger using change listener
         todoListView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<TodoItem>() {
@@ -222,7 +239,7 @@ public void handleClickListView() {
      * @Param keyEvent accepts the key event
      */
     @FXML
-    public void handleKeyPressed(KeyEvent keyEvent) {
+    public void handleKeyPressed(KeyEvent keyEvent) throws SQLException {
         TodoItem selectedItem = todoListView.getSelectionModel().getSelectedItem();
         // Checking if the item is get selected
         if (selectedItem != null) {
@@ -237,18 +254,27 @@ public void handleKeyPressed(KeyEvent keyEvent) {
     /**
      * Method to delete the selected item
      */
-    public void deleteItem(TodoItem item) {
+    public void deleteItem(TodoItem item) throws SQLException {
         Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
         alert.setTitle("Delete Todo Item");
         alert.setHeaderText("Delete item: " + item.getTitle());
         alert.setContentText("Are you sure? Press OK to confirm and cancel to back");
         Optional<ButtonType> result = alert.showAndWait();
 
         if (result.isPresent() && (result.get() == ButtonType.OK)) {
-            TodoData.getInstance().deleteTodoItem(item);
+            String sql = "delete from taskstack.todo where title = " + "'" + item.getTitle() + "'";
+            MysqlConnect.mysqlDelete(sql);
+            TodoData.getInstance().displayTodoItem();
         }
     }
 
+    /**
+     * Method to edit selected item
+     */
+    public void editItem(TodoItem item) {
+        showNewItemDialog();
+    }
+
     /**
      * Method to handle the filter button on main window
      */
diff --git a/src/com/cankush/todolist/DialogController.java b/src/com/cankush/todolist/DialogController.java
@@ -1,13 +1,14 @@
 package com.cankush.todolist;
 
-import com.cankush.todolist.datamodel.TodoData;
+import com.cankush.todolist.database.MysqlConnect;
 import com.cankush.todolist.datamodel.TodoItem;
 import javafx.fxml.FXML;
 import javafx.scene.control.DatePicker;
 import javafx.scene.control.TextArea;
 import javafx.scene.control.TextField;
 
 import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
 
 public class DialogController {
     @FXML
@@ -24,9 +25,14 @@ public TodoItem processResults() {
         String details = detailsArea.getText().trim();
         LocalDate deadlineValue = deadlinePicker.getValue();
 
+        String deadline = deadlineValue.toString();
         TodoItem newItem = new TodoItem(title, details, deadlineValue);
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd"); // Formatting the date
+        LocalDate date = LocalDate.parse(deadline, formatter);
+
         // Adding newItem to the database/datafile
-        TodoData.getInstance().addTodoItem(newItem);
+        String sql = "insert into taskstack.todo" + " values('" + title + "'" + "," + "'" + details + "'" + "," + "'" + date + "')";
+        MysqlConnect.mysqlUpdate(sql);
         return newItem;
     }
 }
diff --git a/src/com/cankush/todolist/Main.java b/src/com/cankush/todolist/Main.java
@@ -7,8 +7,6 @@
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 
-import java.io.IOException;
-
 public class Main extends Application {
 
     @Override
@@ -27,21 +25,23 @@ public static void main(String[] args) {
 
     @Override
     public void stop() throws Exception {
-        try {
-            // Storing the items to the file/database
-            TodoData.getInstance().storeTodoItems();
-        } catch (IOException e) {
-            System.out.println(e.getMessage());
-        }
+//        try {
+//            // Storing the items to the file/database
+////            TodoData.getInstance().storeTodoItems();
+//            TodoData.getInstance().addNewItem();
+//        } catch (Exception e) {
+//            System.out.println(e.getMessage());
+//        }
     }
 
     // Every time the application starts this will load the list of todoItems
     @Override
     public void init() throws Exception {
         try {
             // Loading the items from the file/database at the starting of the application
-            TodoData.getInstance().loadTodoItems();
-        } catch (IOException e) {
+//            TodoData.getInstance().loadTodoItems();
+        TodoData.getInstance().displayTodoItem();
+        } catch (Exception e) {
             System.out.println(e.getMessage());
         }
     }
diff --git a/src/com/cankush/todolist/database/MysqlConnect.java b/src/com/cankush/todolist/database/MysqlConnect.java
@@ -0,0 +1,77 @@
+package com.cankush.todolist.database;
+
+import com.cankush.todolist.datamodel.TodoItem;
+import javafx.collections.ObservableList;
+
+import java.sql.*;
+import java.time.format.DateTimeFormatter;
+
+public class MysqlConnect {
+    private static ObservableList<TodoItem> todoItems;
+    private static DateTimeFormatter formatter;
+
+    public static void mysqlUpdate(String sql) {
+        System.out.println("Inserting values in mysql database table!");
+
+        Connection conn = null;
+        String url = "jdbc:mysql://localhost:3306/";
+        String db = "taskstack";
+        try {
+            conn = DriverManager.getConnection(url + db, "cankush", "ankush");
+            try {
+                Statement st = conn.createStatement();
+                System.out.println(sql);
+                int val = st.executeUpdate(sql);
+                System.out.println("1 row affected + return value: " + val);
+            } catch(SQLException s) {
+                System.out.println("SQL statement is not executable! Error is: " + s.getMessage());
+            }
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void mysqlDelete(String sql) {
+        System.out.println("Deleting values from mysql database table!");
+
+        Connection conn = null;
+        String url = "jdbc:mysql://localhost:3306/";
+        String db = "taskstack";
+        try {
+            conn = DriverManager.getConnection(url + db, "cankush", "ankush");
+            try {
+                Statement st = conn.createStatement();
+                System.out.println(sql);
+                boolean val = st.execute(sql);
+                System.out.println("1 row affected + return value: " + val);
+            } catch(SQLException s) {
+                System.out.println("SQL statement is not executable! Error is: " + s.getMessage());
+            }
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static ResultSet mysqlDisplay() {
+        Connection conn = null;
+        Statement st;
+        String url = "jdbc:mysql://localhost:3306/";
+        String db = "taskstack";
+        try {
+            //Open a connection
+            conn = DriverManager.getConnection(url + db, "cankush", "ankush");
+            try {
+                st = conn.createStatement();
+                String sql = "select * from taskstack.todo";
+                System.out.println(sql);
+                return st.executeQuery(sql);
+
+            } catch(SQLException s) {
+                System.out.println("SQL statement is not executable! Error is: " + s.getMessage());
+            }
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}
diff --git a/src/com/cankush/todolist/datamodel/TodoData.java b/src/com/cankush/todolist/datamodel/TodoData.java
@@ -1,17 +1,17 @@
 package com.cankush.todolist.datamodel;
 
+import com.cankush.todolist.database.MysqlConnect;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.scene.control.DatePicker;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
 
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
+import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
-import java.util.Iterator;
 
 public class TodoData {
     // Creating the instance of the class so that making the class Singleton and later declaring constructor as private
@@ -21,14 +21,21 @@ public class TodoData {
     private ObservableList<TodoItem> todoItems;
     private DateTimeFormatter formatter;
 
+    @FXML
+    private TextField titleField;
+    @FXML
+    private TextArea detailsArea;
+    @FXML
+    private DatePicker deadLinePicker;
+
     // Getting the instance
     public static TodoData getInstance() {
         return instance;
     }
 
     // Creating a private constructor so that the another objects of this class are not allowed to create any more
     private TodoData () {
-        formatter = DateTimeFormatter.ofPattern("dd-MM-yyy"); // Formatting the date
+        formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd"); // Formatting the date
     }
 
     // Adding getter for TodoItems
@@ -43,58 +50,20 @@ public void addTodoItem(TodoItem todoItem) {
 
     // Loading TodoItems
     // Taking the item from the user and add it to the todoItems list
-    public void loadTodoItems() throws IOException {
+    public void displayTodoItem() throws SQLException {
         todoItems = FXCollections.observableArrayList();
-        Path path = Paths.get(filename); // Path of the file
-        BufferedReader br = Files.newBufferedReader(path); // Reading from the file
-
-        String input;
-        try {
-            while ((input = br.readLine()) != null) {
-                // Separating the input by \t. The first element is title, second element is details, and the third element is date
-                String[] itemPieces = input.split("\t");
-
-                String title = itemPieces[0];
-                String details = itemPieces[1];
-                String dateString = itemPieces[2];
+        ResultSet val = MysqlConnect.mysqlDisplay();
+            while (val.next()) {
+                System.out.println("Inside val");
+                String title = val.getString("title");
+                String details = val.getString("details");
+                String deadline = val.getString("deadline");
 
-                LocalDate date = LocalDate.parse(dateString, formatter);
+                LocalDate date = LocalDate.parse(deadline, formatter);
                 TodoItem todoItem = new TodoItem(title, details, date);
                 // Adding todoItem from database/file to the todoItems ObservableList
                 todoItems.add(todoItem);
             }
-        } finally {
-            if (br != null) {
-                br.close();
-            }
-        }
-    }
-
-    // Storing the TodoItem
-    public void storeTodoItems() throws IOException {
-        Path path = Paths.get(filename);
-        BufferedWriter bw = Files.newBufferedWriter(path);
-        try {
-            // Initializing iterator
-            Iterator<TodoItem> iter = todoItems.iterator();
-            while(iter.hasNext()) {
-                TodoItem item = iter.next();
-                bw.write(String.format("%s\t%s\t%s\t", // Separating the fields by tab space
-                        item.getTitle(),
-                        item.getDetails(),
-                        item.getDeadline().format(formatter))); // Using date formatter
-                bw.newLine();
-            }
-        } finally {
-            if (bw != null) {
-                bw.close();
-            }
-        }
-    }
-
-    // Removing the item / Deleting the item
-    public void deleteTodoItem(TodoItem item) {
-        todoItems.remove(item);
     }
 }
 
