Half finished, loads of queries implemented
This commit is contained in:
		
							parent
							
								
									2a829509fc
								
							
						
					
					
						commit
						c789c24af3
					
				
					 4 changed files with 103 additions and 27 deletions
				
			
		|  | @ -1,6 +1,7 @@ | ||||||
| package datamodel; | package datamodel; | ||||||
| 
 | 
 | ||||||
| import java.sql.*; | import java.sql.*; | ||||||
|  | import java.util.ArrayList; | ||||||
| /** | /** | ||||||
|  * Database is a class that specifies the interface to the  |  * Database is a class that specifies the interface to the  | ||||||
|  * movie database. Uses JDBC and the MySQL Connector/J driver. |  * movie database. Uses JDBC and the MySQL Connector/J driver. | ||||||
|  | @ -97,14 +98,97 @@ public class Database { | ||||||
|         return conn != null; |         return conn != null; | ||||||
|     } |     } | ||||||
| 	 | 	 | ||||||
|  |     // Gets the Show object with the given title and date | ||||||
|   	public Show getShowData(String mTitle, String mDate) { |   	public Show getShowData(String mTitle, String mDate) { | ||||||
| 		Integer mFreeSeats = 42; | 		Integer mFreeSeats = 42; | ||||||
| 		String mVenue = "Kino 2"; | 		String mVenue = "Kino 2"; | ||||||
| 
 | 
 | ||||||
| 		/* --- TODO: add code for database query --- */ |         if(!isConnected()) { | ||||||
|  |             System.err.println("getShowData: no connection to database"); | ||||||
|  |             return null; | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         try { | ||||||
|  |             Statement stmt = conn.createStatement(); | ||||||
|  |             // ResultSet rs = stmt.executeQuery("SELECT * FROM Showings WHERE title = '" + mTitle + "' AND date = '" + mDate + "'"); | ||||||
|  |             ResultSet rs = stmt.executeQuery("SELECT *, Theaters.name AS theater_name FROM Showings JOIN Movies ON Showings.movie_id = Movies.movie_id JOIN Theaters ON Showings.theater_id = Theaters.theater_id"); | ||||||
|  |             if (rs.next()) { | ||||||
|  |                 mFreeSeats = rs.getInt("total_seats"); | ||||||
|  |                 mVenue = rs.getString("theater_name"); | ||||||
|  |             } else { | ||||||
|  |                 System.err.println("getShowData: no show found"); | ||||||
|  |                 return null; | ||||||
|  |             } | ||||||
|  |         } catch (SQLException e) { | ||||||
|  |             e.printStackTrace(); | ||||||
|  |         } | ||||||
| 		 | 		 | ||||||
| 		return new Show(mTitle, mDate, mVenue, mFreeSeats); | 		return new Show(mTitle, mDate, mVenue, mFreeSeats); | ||||||
| 	} | 	} | ||||||
| 
 | 
 | ||||||
|  |     public ArrayList<Show> getAllShows() { | ||||||
|  |         ArrayList<Show> shows = new ArrayList<Show>(); | ||||||
|  | 
 | ||||||
|  |         if(!isConnected()) { | ||||||
|  |             System.err.println("getAllShows: no connection to database"); | ||||||
|  |             return shows; | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         try { | ||||||
|  |             Statement stmt = conn.createStatement(); | ||||||
|  |             ResultSet rs = stmt.executeQuery("SELECT *, Theaters.name AS theater_name FROM Showings JOIN Movies ON Showings.movie_id = Movies.movie_id JOIN Theaters ON Showings.theater_id = Theaters.theater_id"); | ||||||
|  |             while (rs.next()) { | ||||||
|  |                 String mTitle = rs.getString("name"); | ||||||
|  |                 String mDate = rs.getString("show_date"); | ||||||
|  |                 Integer mFreeSeats = rs.getInt("total_seats"); | ||||||
|  |                 String mVenue = rs.getString("theater_name"); | ||||||
|  |                 shows.add(new Show(mTitle, mDate, mVenue, mFreeSeats)); | ||||||
|  |             } | ||||||
|  |         } catch (SQLException e) { | ||||||
|  |             e.printStackTrace(); | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         return shows; | ||||||
|  |     } | ||||||
|  | 
 | ||||||
|  |     public ArrayList<String> getDatesForMovie(String mTitle) { | ||||||
|  |         ArrayList<String> dates = new ArrayList<String>(); | ||||||
|  | 
 | ||||||
|  |         if(!isConnected()) { | ||||||
|  |             System.err.println("getDatesForMovie: no connection to database"); | ||||||
|  |             return dates; | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         try { | ||||||
|  |             Statement stmt = conn.createStatement(); | ||||||
|  |             ResultSet rs = stmt.executeQuery("SELECT show_date FROM Showings JOIN Movies ON Showings.movie_id = Movies.movie_id WHERE name = '" + mTitle + "'"); | ||||||
|  |             while (rs.next()) { | ||||||
|  |                 dates.add(rs.getString("show_date")); | ||||||
|  |             } | ||||||
|  |         } catch (SQLException e) { | ||||||
|  |             e.printStackTrace(); | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         return dates; | ||||||
|  |     } | ||||||
|  | 
 | ||||||
|  |     public boolean login(String username) { | ||||||
|  |         if(!isConnected()) { | ||||||
|  |             System.err.println("login: no connection to database"); | ||||||
|  |             return false; | ||||||
|  |         } | ||||||
|  | 
 | ||||||
|  |         try { | ||||||
|  |             Statement stmt = conn.createStatement(); | ||||||
|  |             ResultSet rs = stmt.executeQuery("SELECT * FROM users WHERE username = '" + username + "'"); | ||||||
|  |             if (rs.next()) { | ||||||
|  |                 return true; | ||||||
|  |             } | ||||||
|  |         } catch (SQLException e) { | ||||||
|  |             e.printStackTrace(); | ||||||
|  |         } | ||||||
|  |         return false; | ||||||
|  |     } | ||||||
|  | 
 | ||||||
|     /* --- TODO: insert more own code here --- */ |     /* --- TODO: insert more own code here --- */ | ||||||
| } | } | ||||||
|  |  | ||||||
|  | @ -92,14 +92,11 @@ public class BookingTab { | ||||||
| 	} | 	} | ||||||
| 	 | 	 | ||||||
| 	private void fillNamesList() { | 	private void fillNamesList() { | ||||||
|  | 		System.out.println("Filling names list"); | ||||||
| 		List<String> allmovies = new ArrayList<String>(); | 		List<String> allmovies = new ArrayList<String>(); | ||||||
| 
 | 
 | ||||||
| 		// query the database via db | 		// Spooky functional voodoo | ||||||
| 		/* --- TODO: replace with own code --- */ | 		db.getAllShows().stream().map(Show::getTitle).distinct().forEach(allmovies::add); | ||||||
| 		allmovies.add("Pulp Fiction"); |  | ||||||
| 		allmovies.add("The Big Lebowski"); |  | ||||||
| 		allmovies.add("Whiplash"); |  | ||||||
| 		/* --- END TODO --- */		 |  | ||||||
| 		 | 		 | ||||||
| 		moviesList.setItems(FXCollections.observableList(allmovies)); | 		moviesList.setItems(FXCollections.observableList(allmovies)); | ||||||
| 		// remove any selection | 		// remove any selection | ||||||
|  | @ -109,11 +106,7 @@ public class BookingTab { | ||||||
| 	private void fillDatesList(String m) { | 	private void fillDatesList(String m) { | ||||||
| 		List<String> alldates = new ArrayList<String>(); | 		List<String> alldates = new ArrayList<String>(); | ||||||
| 		if(m!=null) { | 		if(m!=null) { | ||||||
| 			// query the database via db | 			db.getDatesForMovie(m).forEach(alldates::add); | ||||||
| 			/* --- TODO: replace with own code --- */ |  | ||||||
| 			alldates.add("2016-02-01"); |  | ||||||
| 			alldates.add("2016-01-15"); |  | ||||||
| 			/* --- END TODO --- */			 |  | ||||||
| 		} | 		} | ||||||
| 		datesList.setItems(FXCollections.observableList(alldates)); | 		datesList.setItems(FXCollections.observableList(alldates)); | ||||||
| 		// remove any selection | 		// remove any selection | ||||||
|  |  | ||||||
|  | @ -31,22 +31,21 @@ public class LoginTab { | ||||||
|         } else { |         } else { | ||||||
|             String uname = username.getText(); |             String uname = username.getText(); | ||||||
|              |              | ||||||
|             /* --- TODO: add code to query the database credentials --- */ | 			// Check if the user exists in the database | ||||||
|         	// could be if(!db.login(uname)) alert... |         	if(!db.login(uname)) { | ||||||
| 
 | 		        Alert alert = new Alert(AlertType.ERROR); | ||||||
|         	// inform the user that there is no check against the database |  | ||||||
| 	        Alert alert = new Alert(AlertType.INFORMATION); |  | ||||||
| 		        alert.setTitle("Login fail"); | 		        alert.setTitle("Login fail"); | ||||||
| 		        alert.setHeaderText(null); | 		        alert.setHeaderText(null); | ||||||
| 	        alert.setContentText("No user check implemented yet!"); | 		        alert.setContentText("User "+uname+" not found!"); | ||||||
| 		        alert.showAndWait(); | 		        alert.showAndWait(); | ||||||
| 	        /* --- END TODO --- */ | 				return; | ||||||
|  | 			} | ||||||
| 
 | 
 | ||||||
|             // setting the user name |             // setting the user name | ||||||
| 	        CurrentUser.instance().loginAs(uname); | 	        CurrentUser.instance().loginAs(uname); | ||||||
| 	         | 	         | ||||||
| 	        // inform the user about logging in | 	        // inform the user about logging in | ||||||
| 	        actiontarget.setText("Sign in user "+uname);         | 	        actiontarget.setText(String.format("User %s logged in.", uname));         | ||||||
|     	 |     	 | ||||||
| 	        // inform booking tab of user change | 	        // inform booking tab of user change | ||||||
| 	        bookingTabCtrl.userChanged(); | 	        bookingTabCtrl.userChanged(); | ||||||
|  |  | ||||||
|  | @ -34,9 +34,9 @@ root { | ||||||
|     display: block; |     display: block; | ||||||
| } | } | ||||||
| 
 | 
 | ||||||
| .root { | /* .root { | ||||||
|      -fx-background-image: url("background.jpg"); |      -fx-background-image: url("background.jpg"); | ||||||
| } | } */ | ||||||
| 
 | 
 | ||||||
| .label { | .label { | ||||||
|     -fx-font-size: 12px; |     -fx-font-size: 12px; | ||||||
|  |  | ||||||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue
	
	 Imbus
						Imbus