/*
- * Copyright © 2020 Damyan Ivanov.
+ * Copyright © 2021 Damyan Ivanov.
* This file is part of MoLe.
* MoLe is free software: you can distribute it and/or modify it
* under the term of the GNU General Public License as published by
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
-import android.util.Log;
+
+import androidx.lifecycle.MutableLiveData;
+
+import net.ktnx.mobileledger.BuildConfig;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
import static net.ktnx.mobileledger.utils.Logger.debug;
public class MobileLedgerDatabase extends SQLiteOpenHelper {
- private static final String DB_NAME = "MoLe.db";
- private static final int LATEST_REVISION = 35;
+ public static final MutableLiveData<Boolean> initComplete = new MutableLiveData<>(false);
+ public static final String DB_NAME = "MoLe.db";
+ private static final int LATEST_REVISION = 58;
private static final String CREATE_DB_SQL = "create_db";
-
private final Application mContext;
public MobileLedgerDatabase(Application context) {
applyRevisionFile(db, CREATE_DB_SQL);
}
+ @Override
+ public void onConfigure(SQLiteDatabase db) {
+ super.onConfigure(db);
+ db.execSQL("pragma case_sensitive_like=ON;");
+ if (BuildConfig.DEBUG)
+ db.execSQL("PRAGMA foreign_keys=ON");
+ }
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
- debug("db", "onUpgrade called");
- for (int i = oldVersion + 1; i <= newVersion; i++) applyRevision(db, i);
+ debug("db",
+ String.format(Locale.US, "needs upgrade from version %d to version %d", oldVersion,
+ newVersion));
+ for (int i = oldVersion + 1; i <= newVersion; i++)
+ applyRevision(db, i);
}
-
private void applyRevision(SQLiteDatabase db, int rev_no) {
String rev_file = String.format(Locale.US, "sql_%d", rev_no);
applyRevisionFile(db, rev_file);
}
- private void applyRevisionFile(SQLiteDatabase db, String rev_file) {
+ private void applyRevisionFile(SQLiteDatabase db, String revFile) {
final Resources rm = mContext.getResources();
- int res_id = rm.getIdentifier(rev_file, "raw", mContext.getPackageName());
+ int res_id = rm.getIdentifier(revFile, "raw", mContext.getPackageName());
if (res_id == 0)
- throw new SQLException(String.format(Locale.US, "No resource for %s", rev_file));
- db.beginTransaction();
+ throw new SQLException(String.format(Locale.US, "No resource for %s", revFile));
+
try (InputStream res = rm.openRawResource(res_id)) {
- debug("db", "Applying " + rev_file);
+ debug("db", "Applying " + revFile);
InputStreamReader isr = new InputStreamReader(res);
BufferedReader reader = new BufferedReader(isr);
+ Pattern endOfStatement = Pattern.compile(";\\s*(?:--.*)?$");
+
String line;
- int line_no = 1;
+ String sqlStatement = null;
+ int lineNo = 0;
while ((line = reader.readLine()) != null) {
- if (line.startsWith("--")) {
- line_no++;
+ lineNo++;
+ if (line.startsWith("--"))
continue;
- }
- if (line.isEmpty()) {
- line_no++;
+ if (line.isEmpty())
continue;
- }
+
+ if (sqlStatement == null)
+ sqlStatement = line;
+ else
+ sqlStatement = sqlStatement.concat(line);
+
+ Matcher m = endOfStatement.matcher(line);
+ if (!m.find())
+ continue;
+
try {
- db.execSQL(line);
+ db.execSQL(sqlStatement);
+ sqlStatement = null;
}
catch (Exception e) {
throw new RuntimeException(
- String.format("Error applying %s, line %d", rev_file, line_no), e);
+ String.format("Error applying %s, line %d, statement: %s", revFile,
+ lineNo, sqlStatement), e);
}
- line_no++;
}
- db.setTransactionSuccessful();
+ if (sqlStatement != null)
+ throw new RuntimeException(String.format(
+ "Error applying %s: EOF after continuation. Line %s, Incomplete " +
+ "statement: %s", revFile, lineNo, sqlStatement));
+
}
catch (IOException e) {
- Log.e("db", String.format("Error opening raw resource for %s", rev_file));
- e.printStackTrace();
- }
- finally {
- db.endTransaction();
+ throw new RuntimeException(String.format("Error opening raw resource for %s", revFile),
+ e);
}
}
}