Koodin siivousta

Signed-off-by: laurimaaninka <lauri.maaninka@gmail.com>
2026-05-11 00:00:27 +03:00
parent 69243d9cb2
commit c2942a7455
30 changed files with 75 additions and 79 deletions
@@ -0,0 +1,69 @@
+package fi.lpam.dataluokat;
+
+import fi.lpam.gui.virheDialogit.SiirtoVirhe;
+
+import fi.lpam.Main;
+import org.apache.commons.lang3.SystemUtils;
+
+import java.io.*;
+import java.sql.*;
+import java.util.Objects;
+
+public class Tietokanta {
+    private static String osoite;
+    private static String dbPath = SystemUtils.getUserHome().getAbsolutePath() + "\\OneDrive\\Kuljetusruokasovellus\\tietokanta.db";
+
+    public Tietokanta(boolean dev) {
+        if (dev) dbPath = "testikanta.db";
+        File file = new File(dbPath);
+        try {
+            boolean _ = file.getParentFile().mkdirs();
+            boolean _ = file.createNewFile();
+        }
+        catch (Exception _) {}
+
+        osoite = "jdbc:sqlite:" + file.getAbsolutePath();
+
+
+        try (Connection conn = haeYhteys()) {
+            InputStream is = Objects.requireNonNull(Main.class.getClassLoader().getResourceAsStream("tietokanta.sql"));
+            BufferedReader br = new BufferedReader(new InputStreamReader(is));
+            String sql = br.readAllAsString();
+
+            for (String query : sql.split(";")) {
+                conn.createStatement().execute(query);
+            }
+        }
+        catch (SQLException | IOException e) {
+            handleException(e);
+        }
+
+        //Lisää kuljetuspäivät asiakassarakkeeseen (v2.0.2->3.x.x)
+        String[] sarakkeet = {"lauantaiKpl", "sunnuntaiKpl"};
+        for (String sarake : sarakkeet) {
+            try (Connection conn = haeYhteys()) {
+                PreparedStatement stmt = conn.prepareStatement("alter table asiakkaat add column " + sarake + " int not null default 0");
+                stmt.execute();
+            } catch (SQLException e) {
+                if (!e.getMessage().contains("duplicate column name")) {
+                    handleException(e);
+                }
+            }
+        }
+    }
+
+    public static Connection haeYhteys() {
+        Connection connection = null;
+        try {
+            connection = DriverManager.getConnection(osoite);
+        } catch (SQLException e) {
+            handleException(e);
+        }
+        return connection;
+    }
+
+    private static void handleException(Exception e) {
+        SiirtoVirhe virhe = new SiirtoVirhe(e);
+        virhe.showAndWait();
+    }
+}