Merge pull request nus-cs2113-AY2223S2#35 from Sherlock-YH/master

Add parseSavedFile

src/main/java/seedu/bankwithus/BankWithUs.java

@@ -58,7 +58,7 @@ public void exit(String filePath) throws IOException {
     /**
      * Creates a new Account for a first time user
      */
-    public  void createAccount() {
+    public void createAccount() {
         System.out.println("Whats your name?");
         String userName = ui.getNextLine();
         System.out.println("How much would you like to add as Balance?");
@@ -69,13 +69,19 @@ public  void createAccount() {
     /**
      * The main command and output loop. Takes in user input line by line
      * and gives it to the parser to execute the command.
-     * 
+     *
      * @throws IOException if something goes wrong while exiting the program
      */
     public void run() throws IOException {
         ui.createScanner();
         if (storage.saveFile.length() < 1) {
             createAccount();
+        } else {
+            try {
+                parser.parseSavedFile(accounts);
+            } catch (IOException e) {
+                ui.showIOError();
+            }
         }
         while (!isExitEntered) {
             String line = ui.getNextLine();
@@ -92,8 +98,6 @@ public static void main(String[] args) {
         try {
             new BankWithUs(FILE_PATH).run();
         } catch (IOException e) {
-            return;
         }
     }
-
 }

src/main/java/seedu/bankwithus/Parser.java

@@ -1,6 +1,11 @@
 package seedu.bankwithus;
 
 import seedu.bankwithus.exceptions.CommandNotFoundException;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Scanner;
+
 public class Parser {
     private BankWithUs bwu;
 
@@ -21,7 +26,31 @@ public void parseUserInput(String input) throws CommandNotFoundException {
         if (command.equals("exit")) {
             bwu.isExitEntered = true;
         } else {
-            throw new CommandNotFoundException();
+            switch (command) {
+                case "exit":
+                    bwu.isExitEntered = true;
+                    break;
+                default:
+                    throw new CommandNotFoundException();
+            }
+        }
+    }
+
+    /**
+     * This method reads any existing file and add the saved data
+     * into current programme
+     *
+     * @param list current operation AccountList
+     */
+    public void parseSavedFile(AccountList list) throws IOException {
+        File f = new File("data/save.txt");
+        Scanner myReader = new Scanner(f);
+        while (myReader.hasNextLine()) {
+            String data = myReader.nextLine();
+            String[] splitDetails = data.split(";");
+            String name = splitDetails[0];
+            String balance = splitDetails[1];
+            list.addAccount(name, balance);
         }
     }
 }

src/test/java/seedu/bankwithus/StorageTest.java

@@ -2,6 +2,8 @@
 
 import org.junit.jupiter.api.Test;
 
+import java.util.Scanner;
+
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 public class StorageTest {
@@ -11,4 +13,11 @@ public void load_normalSaveFile_noMessage() {
         Storage storage = new Storage("data/save.txt");
         assertDoesNotThrow(() -> storage.load());
     }
+
+    @Test
+    public void save_accountList_noMessage() {
+        AccountList accountList = new AccountList();
+        Storage storage = new Storage("data/save.txt");
+        assertDoesNotThrow(() -> storage.saveToFile(accountList));
+    }
 }