From fe53e94bf4532820847c977cfa977650a0cab3e4 Mon Sep 17 00:00:00 2001
From: Sona Markosyan <sona.markosyan@informatik.hs-fulda.de>
Date: Wed, 9 Feb 2022 21:48:05 +0100
Subject: [PATCH] implemented Flight Repository methods

---
 .../de/ci/exam/project/FlightRepository.java  | 31 +++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/src/main/java/hs/fulda/de/ci/exam/project/FlightRepository.java b/src/main/java/hs/fulda/de/ci/exam/project/FlightRepository.java
index 29eed52..687550b 100644
--- a/src/main/java/hs/fulda/de/ci/exam/project/FlightRepository.java
+++ b/src/main/java/hs/fulda/de/ci/exam/project/FlightRepository.java
@@ -1,5 +1,32 @@
 package hs.fulda.de.ci.exam.project;
 
-public interface FlightRepository {
-    void save(Flight flight);
+import java.io.*;
+import java.util.Scanner;
+
+public class FlightRepository {
+    boolean save(Flight flight) throws IOException {
+        FileWriter fw = new FileWriter("flights.txt", true);
+        BufferedWriter bw = new BufferedWriter(fw);
+        bw.write(flight.toString());
+        bw.newLine();
+        bw.close();
+        return true;
+    };
+    String findFlightByFlightNumber(String flightNumber){
+        File file = new File("flights.txt");
+
+        try {
+            Scanner scanner = new Scanner(file);
+
+            while (scanner.hasNextLine()) {
+                String line = scanner.nextLine();
+                if(line.matches("(.*)"+flightNumber+"(.*)")) {
+                    return line;
+                }
+            }
+        } catch(FileNotFoundException e) {
+            System.out.println("There are no flights added yet. Please add a flight");
+        }
+        return "";
+    }
 }