Add query dla books albums i movies OK

src/library/Book.java

@@ -28,7 +28,7 @@ public class Book extends Item {
 
     @Override
     public void insertToDB() {
-        db.insertBookQ(this);
+        d.insertBookQ(this);
     }
 
     ;
@@ -80,6 +80,6 @@ public void setPublishing(String s) {
         return this.ISBN;
     }
     private String authorName, authorSurname, publishing, ISBN;
-    private Database db = new Database();
+    private Database d = new Database();
 
 }

src/library/Database.java

@@ -122,6 +122,21 @@ public class Database {
         }
 
     }
+    
+    public void insertMovieQ(Movie m) {
+        try {
+            PreparedStatement prepStmt = conn.prepareStatement(
+                    "INSER INTO movies VALUES (NULL, ?, ?, ?, ?);");
+            prepStmt.setString(1, m.getName());
+            prepStmt.setString(2, m.getDirector());
+            prepStmt.setInt(3, m.getYear());
+            prepStmt.setString(4, m.getCategory());
+            prepStmt.execute();
+        } catch (SQLException e) {
+            JOptionPane.showMessageDialog(null, "Błąd przy dodawaniu do bazy", "Error:", JOptionPane.INFORMATION_MESSAGE);
+        }
+
+    }
 
     public List<Book> selectBooks() {
         List<Book> books = new LinkedList<Book>();

src/library/Movie.java

@@ -19,6 +19,7 @@ public class Movie extends Item{
     public Connection conn;
     public Statement stat;
     private String director;
+    private Database d = new Database();
     
     Movie(){
         //nothing to do there
@@ -34,17 +35,7 @@ public class Movie extends Item{
     }
 @Override
 public void insertToDB(){
-     try {
-            PreparedStatement prepStmt = conn.prepareStatement(
-                    "insert into movies values (NULL, ?, ?, ?, ?);");
-            prepStmt.setString(1, this.getName());
-            prepStmt.setString(2, this.getDirector());
-            prepStmt.setInt(3, this.getYear());
-            prepStmt.setString(4, this.getCategory());
-            prepStmt.execute();
-        } catch (SQLException e) {
-            JOptionPane.showMessageDialog(null, "Błąd przy dodawaniu do bazy", "Error:", JOptionPane.INFORMATION_MESSAGE);
-        } //String query = "INSERT INTO books VALUES(NULL, '" +this.getName() + "', '" + this.getAuthorName() + "', '" + this.getAuthorSurname() + "', '"+ this.getPublishing() + "', '"+ this.getYear() + "', '"+ this.getISBN() + "', '"+ this.getCategory() + "');";
+    d.insertMovieQ(this);
 };
 
 public String getDirector(){