Made Add Airline FUnction

src/main/java/seng202/group9/Controller/App.java

@@ -54,13 +54,17 @@ public class App extends Application
 			e.printStackTrace();
 		}
 		primaryStage.show();
-		/*
 		//testing out dataset
 		try {
 			currentDataset = new Dataset("test's", Dataset.getExisting);
 		}catch (DataException e){
 			e.printStackTrace();
 		}
+		try {
+			currentDataset.addAirline("Dota2", "Valve", "D2", "DOT", "Defence of the Ancients", "Steam", "Y");
+		}catch (DataException e){
+			e.printStackTrace();
+		}/*
 		//testing out airport parser
 		try {
 			System.out.println(currentDataset.importAirport("res/Samples/Airports.txt"));

src/main/java/seng202/group9/Controller/Dataset.java

@@ -21,12 +21,12 @@ public class Dataset {
     ArrayList<FlightPath> flightPaths;
     ArrayList<Country> countries;
     ArrayList<City> cities;
-    LinkedHashMap airlineDictionary;
+    LinkedHashMap<String, Airline> airlineDictionary;
-    LinkedHashMap airportDictionary;
+    LinkedHashMap<String, Airport> airportDictionary;
-    LinkedHashMap routeDictionary;
+    LinkedHashMap<String, Route> routeDictionary;
-    LinkedHashMap flightPathDictionary;
+    LinkedHashMap<String, FlightPath> flightPathDictionary;
-    LinkedHashMap countryDictionary;
+    LinkedHashMap<String, Country> countryDictionary;
-    LinkedHashMap cityDictionary;
+    LinkedHashMap<String, City> cityDictionary;
 
     /**
      *
@@ -42,11 +42,11 @@ public class Dataset {
         this.routes = new ArrayList<Route>();
         this.cities = new ArrayList<City>();
         this.countries = new ArrayList<Country>();
-        this.airlineDictionary = new LinkedHashMap();
+        this.airlineDictionary = new LinkedHashMap<String, Airline>();
-        this.airportDictionary = new LinkedHashMap();;
+        this.airportDictionary = new LinkedHashMap<String, Airport>();;
-        this.routeDictionary = new LinkedHashMap();;
+        this.routeDictionary = new LinkedHashMap<String, Route>();;
-        this.countryDictionary = new LinkedHashMap();;
+        this.countryDictionary = new LinkedHashMap<String, Country>();;
-        this.cityDictionary = new LinkedHashMap();;
+        this.cityDictionary = new LinkedHashMap<String, City>();;
         if (action == getExisting){
             updateDataset();
             //after this make connections. ie filling in the country.cities airports.routes etc
@@ -585,6 +585,7 @@ public class Dataset {
                 nextID = Integer.parseInt(IDResult.getString("seq")) + 1;//for some reason sqlite3 stores incremental values as a string...
             }
             stmt.close();
+
             stmt = c.createStatement();
             String insertRouteQuery = "INSERT INTO `" + this.name + "_Routes` (`Airline`, `Source_Airport`, `Destination_Airport`," +
                     " `Codeshare`, `Stops`, `Equipment`) VALUES ";
@@ -717,6 +718,54 @@ public class Dataset {
 
     }
 
+    public void addAirline(String name, String alias, String IATA, String ICAO, String callsign, String country, String active) throws DataException{
+        Airline airlineToAdd = new Airline(name, alias, IATA, ICAO, callsign, country, active);
+        addAirline(airlineToAdd);
+    }
+
+    public void addAirline(Airline airlineToAdd) throws DataException{
+        if (airlineToAdd.getIATA().length() != 0 && airlineToAdd.getIATA().length() != 2){
+            throw new DataException("IATA is either empty or length of 2 Letters.");
+        }
+        if (airlineToAdd.getICAO().length() != 0 && airlineToAdd.getICAO().length() != 3){
+            throw new DataException("ICAO is either empty or length of 3 Letters.");
+        }
+        if (airlineToAdd.getActive().length() != 1){
+            throw new DataException ("Active must be Y or N.");
+        }
+        for (String key : airlineDictionary.keySet()){
+            airlineDictionary.get(key).hasDuplicate(airlineToAdd);
+        }
+        //checking is done now we add it to the dictionary and the database
+        //query database.
+        Connection c = null;
+        Statement stmt = null;
+        try {
+            Class.forName("org.sqlite.JDBC");
+            c = DriverManager.getConnection("jdbc:sqlite:res/userdb.db");
+            //add the airline
+            stmt = c.createStatement();
+            String insertAirlineQuery = "INSERT INTO `" + this.name + "_Airline` (`Name`, `Alias`, `IATA`, `ICAO`" +
+                    ", `Callsign`, `Country`, `Active`) VALUES (\""+airlineToAdd.getName()+"\", \"" + airlineToAdd.getAlias() + "\", " +
+                    "\"" + airlineToAdd.getIATA() + "\", \"" + airlineToAdd.getICAO() + "\", \"" + airlineToAdd.getCallSign() + "\", " +
+                    "\"" + airlineToAdd.getCountry() + "\", \"" + airlineToAdd.getActive() + "\");";
+            stmt.execute(insertAirlineQuery);
+            //get the airline id
+            stmt = c.createStatement();
+            String airlineIDQuery = "SELECT * FROM `sqlite_sequence` WHERE `name` = \""+this.name+"_Airline\" LIMIT 1;";
+            ResultSet airlineIDRes= stmt.executeQuery(airlineIDQuery);
+            int airlineID = 0;
+            while (airlineIDRes.next()){
+                airlineID = Integer.parseInt(airlineIDRes.getString("seq"));
+            }
+            airlineToAdd.setID(airlineID);
+            airlines.add(airlineToAdd);
+        } catch ( Exception e ) {
+            System.err.println( e.getClass().getName() + ": " + e.getMessage() );
+            System.exit(0);
+        }
+    }
+
     public ArrayList<Airline> getAirlines() {
         return airlines;
     }

src/main/java/seng202/group9/Core/Airline.java

@@ -228,6 +228,29 @@ public class Airline {
 	public void delRoutes(int index){
 		routes.remove(index);
 	}
+
+	/**
+	 * checks if the airline has a duplicate unique entry to another. Used for validating
+	 * @param airline
+	 * @return
+     */
+	public void hasDuplicate(Airline airline) throws DataException{
+		if (this.name == airline.getName()){
+			throw new DataException("This Airline Name already Exists, Please Choose Another.");
+		}
+		if (this.IATA != "" && this.IATA == airline.getIATA()){
+			throw new DataException("This IATA Code already Exists, Please Choose Another.");
+		}
+		if (this.ICAO != "" && this.ICAO == airline.getICAO()){
+			throw new DataException("This ICAO Code already Exists, Please Choose Another.");
+		}
+		if (this.alias != "" && this.alias == airline.getAlias()){
+			throw new DataException("This Alias already Exists, Please Choose Another.");
+		}
+		if (this.callSign != "" && this.callSign == airline.getCallSign()){
+			throw new DataException("This Callsign already Exists, Please Choose Another.");
+		}
+	}
 	/**
 	 * returns the name of the airline when concatenated to a string.
 	 */