Add choosing directory

src/main/java/dev/mateuszkowalczyk/ffm/app/WorkspaceService.java

@@ -0,0 +1,17 @@
+package dev.mateuszkowalczyk.ffm.app;
+
+import dev.mateuszkowalczyk.ffm.data.Chooser;
+import dev.mateuszkowalczyk.ffm.utils.PropertiesLoader;
+import dev.mateuszkowalczyk.ffm.utils.Property;
+
+import java.util.Properties;
+
+public class WorkspaceService {
+    private PropertiesLoader propertiesLoader = new PropertiesLoader();
+
+    public void setupWorkspace() {
+        Chooser chooser = new Chooser();
+        String path = chooser.chooseDirectory();
+        this.propertiesLoader.set(Property.PATH_TO_DIRECTORY, path);
+    }
+}

src/main/java/dev/mateuszkowalczyk/ffm/data/Chooser.java

@@ -0,0 +1,20 @@
+package dev.mateuszkowalczyk.ffm.data;
+
+import dev.mateuszkowalczyk.ffm.view.StageController;
+import javafx.stage.DirectoryChooser;
+import javafx.stage.Stage;
+
+import java.io.File;
+
+public class Chooser {
+    private StageController stageController = StageController.getInstance();
+
+    public String chooseDirectory() {
+        DirectoryChooser directoryChooser = new DirectoryChooser();
+
+        Stage stage = this.stageController.getStage();
+        File selectedDirectory = directoryChooser.showDialog(stage);
+
+        return selectedDirectory.getAbsolutePath();
+    }
+}

src/main/java/dev/mateuszkowalczyk/ffm/utils/PropertiesLoader.java

@@ -32,6 +32,10 @@ public class PropertiesLoader {
         return this.properties;
     }
 
+    public void save() {
+        this.save(this.properties);
+    }
+
     public void save(Properties prop) {
         try {
             OutputStream output = new FileOutputStream(this.resourceLoader.getPath(CONFIG_NAME_FILE));
@@ -51,4 +55,14 @@ public class PropertiesLoader {
 
         return this.properties.getProperty(name);
     }
+
+    public void set(String name, String value) {
+        if (this.properties == null) {
+            this.load();
+        }
+
+        this.properties.setProperty(name, value);
+
+        this.save();
+    }
 }

src/main/java/dev/mateuszkowalczyk/ffm/view/StageController.java

@@ -1,7 +1,7 @@
 package dev.mateuszkowalczyk.ffm.view;
 
-import dev.mateuszkowalczyk.ffm.utils.Property;
 import dev.mateuszkowalczyk.ffm.utils.PropertiesLoader;
+import dev.mateuszkowalczyk.ffm.utils.Property;
 import dev.mateuszkowalczyk.ffm.utils.ResourceLoader;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Scene;
@@ -16,17 +16,22 @@ public class StageController {
     private PropertiesLoader propertiesLoader = PropertiesLoader.getInstance();
     private Stage stage;
 
-    private StageController() {}
+    private StageController() {
+    }
 
     public static StageController getInstance() {
         return instance;
     }
 
+    public Stage getStage() {
+        return stage;
+    }
+
     public void initApp(Stage stage) throws IOException {
         this.stage = stage;
         this.stage.setTitle("Friend Face Matcher");
 
-        URL sceneUrl = null;
+        URL sceneUrl;
         if (this.propertiesLoader.get(Property.PATH_TO_DIRECTORY) != null) {
             sceneUrl = this.resourceLoader.getResource("welcomePage.fxml");
         } else {

src/main/java/dev/mateuszkowalczyk/ffm/view/controller/WelcomePageController.java

@@ -1,5 +1,6 @@
 package dev.mateuszkowalczyk.ffm.view.controller;
 
+import dev.mateuszkowalczyk.ffm.app.WorkspaceService;
 import javafx.fxml.FXML;
 
 public class WelcomePageController {
@@ -9,6 +10,7 @@ public class WelcomePageController {
 
     @FXML
     public void startNewApp(){
-        System.out.println("Button work");;
+        var workspaceService = new WorkspaceService();
+        workspaceService.setupWorkspace();
     }
 }