added current version checking

Author: Jeffrey-Young

bin/comp110/Controller.class

@@ -20,7 +20,7 @@ public Controller(UI ui) {
 	public void cleanup() {
 		this.m_storage.delete_storage();
 	}
-	
+
 	public void uiUsernamePasswordCallback(Credentials credentials) {
 		// save username and password for github
 		this.m_storage.set_username(credentials.getUsername());
@@ -29,46 +29,55 @@ public void uiUsernamePasswordCallback(Credentials credentials) {
 		// pull files from github
 		this.m_storage.get_files();
 	}
-	
-    public void storage_get_files_complete(boolean success, String message){
+
+	public void storage_get_files_complete(boolean success, String message) {
 		// let the ui know of success or failure
 		Platform.runLater(() -> this.m_ui.githubPullResult(success, message));
-		
+		// check version
+		Platform.runLater(() -> {
+			this.m_ui.checkVersion(
+					this.m_parser.parseCurrentVersion(this.m_storage.get_shift_overflow_version_filename()));
+		});
 		// go ahead and give them the schedule immediately for use
-		try{
-			Schedule schedule = this.m_parser.parseSchedule(this.m_storage.get_schedule_json_filename(), this.m_storage.get_path_to_onyen_csv_directory(), this.m_storage.get_schedule_leads_filename());
+		try {
+			Schedule schedule = this.m_parser.parseSchedule(this.m_storage.get_schedule_json_filename(),
+					this.m_storage.get_path_to_onyen_csv_directory(), this.m_storage.get_schedule_leads_filename());
 			this.m_ui.setSchedule(schedule);
-		} catch (Exception e){
+		} catch (Exception e) {
 			// tell the ui things suck
 			this.m_ui.setSchedule(null);
-			Platform.runLater(() -> this.m_ui.displayMessage("Controller::storage_get_files_complete(): " + e.toString()));
+			Platform.runLater(
+					() -> this.m_ui.displayMessage("Controller::storage_get_files_complete(): " + e.toString()));
 		}
-    }
-    
-    public void storage_save_files_complete(boolean success, String message){
+	}
+
+	public void storage_save_files_complete(boolean success, String message) {
 		// let the ui know
-		Platform.runLater(() -> this.m_ui.githubPushResult(success, message));    	
-    }
+		Platform.runLater(() -> this.m_ui.githubPushResult(success, message));
+	}
 
 	public void uiRequestSchedule() {
-		// tell the ui to show the schedule...this can/will be null if there was an exception
+		// tell the ui to show the schedule...this can/will be null if there was
+		// an exception
 		// ui needs to be ready to handle null schedule
-		try{
-			Schedule schedule = this.m_parser.parseSchedule(this.m_storage.get_schedule_json_filename(), this.m_storage.get_path_to_onyen_csv_directory(), this.m_storage.get_schedule_leads_filename());
+		try {
+			Schedule schedule = this.m_parser.parseSchedule(this.m_storage.get_schedule_json_filename(),
+					this.m_storage.get_path_to_onyen_csv_directory(), this.m_storage.get_schedule_leads_filename());
 			this.m_ui.setSchedule(schedule);
 			Platform.runLater(() -> this.m_ui.displaySchedule(schedule));
-		} catch (Exception e){
+		} catch (Exception e) {
 			Platform.runLater(() -> this.m_ui.displayMessage("Controller::uiRequestSchedule(): " + e.toString()));
 		}
 	}
 
 	public void uiRequestEmployeeAvailability(String onyen) {
 		// parse the employee
-		try{
-			Employee employee = this.m_parser.parseEmployee(this.m_storage.get_availability_csv_filename_from_onyen(onyen));
-			//display available object on ui
-			Platform.runLater(() -> this.m_ui.displayAvailable(employee));	
-		} catch (Exception e){
+		try {
+			Employee employee = this.m_parser
+					.parseEmployee(this.m_storage.get_availability_csv_filename_from_onyen(onyen));
+			// display available object on ui
+			Platform.runLater(() -> this.m_ui.displayAvailable(employee));
+		} catch (Exception e) {
 			this.m_ui.createNewEmployeeCSV(onyen);
 		}
 	}
@@ -78,33 +87,34 @@ public void uiRequestSwaps() {
 	}
 
 	public void uiRequestSaveAvailability(Employee employee, String commit_message) {
-		// need to tell parser to save this employee object and what filename to save it as
-		if (employee == null){
+		// need to tell parser to save this employee object and what filename to
+		// save it as
+		if (employee == null) {
 			// unable to save
 			this.m_ui.displayMessage("Controller::uiRequestSaveAvailability(): Employee is null");
 			return;
 		}
-		
+
 		String filename = this.m_storage.get_availability_csv_filename_from_onyen(employee.getOnyen());
-		try{
+		try {
 			// have the parser write out the file
 			this.m_parser.writeFile(employee, filename);
 			// have storage push to the repo
 			this.m_storage.save_files(commit_message);
-		} catch (Exception e){
+		} catch (Exception e) {
 			this.m_ui.displayMessage("Controller::uiRequestSaveAvailability(): " + e.toString());
 		}
 	}
-	
-	public void uiRequestChangeSchedule(Schedule schedule, String commit_message){
-		try{
-		this.m_parser.writeScheduleToJson(schedule, this.m_storage.get_schedule_json_filename());
-		this.m_storage.save_files(commit_message);
-		} catch (Exception e){
+
+	public void uiRequestChangeSchedule(Schedule schedule, String commit_message) {
+		try {
+			this.m_parser.writeScheduleToJson(schedule, this.m_storage.get_schedule_json_filename());
+			this.m_storage.save_files(commit_message);
+		} catch (Exception e) {
 			this.m_ui.displayMessage("Controller::uiRequestChangeSchedule(): " + e.toString());
 		}
 	}
-	
+
 	public void displayMessage(String message) {
 		this.m_ui.displayMessage(message);
 	}

bin/comp110/Parser.class

@@ -278,4 +278,22 @@ public void writeScheduleToJson(Schedule schedule, String path) throws Exception
 			throw new Exception("Parser::writeScheduleToJson(): Unable to open file=" + path);
 		}
 	}
+	
+	public String parseCurrentVersion(String versionPath) {
+		BufferedReader reader = null;
+		try {
+			reader = new BufferedReader(new FileReader(versionPath));
+		} catch (FileNotFoundException e) {
+			return ""; //if we can't find the file just carry on
+		}
+		String currentVersion = null;
+		try {
+			currentVersion = reader.readLine();
+			reader.close();
+		} catch (IOException e) { //This should never happen 
+			System.err.println("lol this should never happen");
+			e.printStackTrace();
+		}
+		return currentVersion;
+	}
 }

bin/comp110/Storage$1.class

@@ -70,6 +70,10 @@ public String get_schedule_json_filename(){
     public String get_schedule_leads_filename(){
         return this.m_application_directory + DEFAULT_LOCAL_REPO_FOLDER + "/data/leads.csv";
     }
+    
+    public String get_shift_overflow_version_filename(){
+        return this.m_application_directory + DEFAULT_LOCAL_REPO_FOLDER + "/data/currentShiftOverflowVersion.txt";
+    }
 
     public String get_path_to_onyen_csv_directory(){
         return this.m_application_directory + DEFAULT_LOCAL_REPO_FOLDER + "/data/fall-17/staff/";

bin/comp110/Storage$2.class

@@ -34,6 +34,8 @@ public class UI extends Application {
 	private boolean _scheduleStageIsOpen;
 	private ScheduleStage _scheduleStage;
 	private ViewSwapsStage _viewSwapsStage; 
+	
+	private static final String VERSION = "0.3.1";
 
 
 	@Override
@@ -119,7 +121,7 @@ public void displayAvailable(Employee employee) {
 	  if (_availabilityStage != null){
 	    _availabilityStage.close();
 	  }
-		_availabilityStage = new AvailabilityStage("ShiftOverflow v0.3.1", _controller, this);
+		_availabilityStage = new AvailabilityStage("ShiftOverflow v" + VERSION, _controller, this);
 		_availabilityStage.show();
 	}
 
@@ -275,6 +277,16 @@ public List<String> getHoursList(String day) {
 		}
 		return hoursList;
 	}
+	
+	public void checkVersion(String currentVersion) {
+		if (currentVersion.equals("")) { //if we couldn't find version file just don't worry about it
+			return;
+		}
+		if (currentVersion != UI.VERSION) {
+			// tell user they need to update
+			displayMessage("You are not using the current version of ShiftOverflow. The current version is v" + currentVersion + ". Please close and update by visiting\ngithub.com/comp110/ShiftOverflow/releases/tag/v" + currentVersion + " before continuing.", false);
+		}
+	}
 
 	public void githubPullResult(boolean success, String message) {
 		if (success == true) {