package net.ktnx.mobileledger.utils;
import android.annotation.TargetApi;
-import android.app.Application;
import android.content.Context;
-import android.content.res.Resources;
import android.database.Cursor;
import android.database.MatrixCursor;
-import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
+import android.os.AsyncTask;
import android.os.Build;
import android.provider.FontsContract;
-import android.util.Log;
import android.view.View;
import android.widget.AutoCompleteTextView;
import android.widget.FilterQueryProvider;
import android.widget.SimpleCursorAdapter;
+import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.async.DbOpQueue;
import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.model.MobileLedgerProfile;
import org.jetbrains.annotations.NonNls;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
import java.util.Locale;
-import static net.ktnx.mobileledger.utils.MLDB.DatabaseMode.READ;
-import static net.ktnx.mobileledger.utils.MLDB.DatabaseMode.WRITE;
+import static net.ktnx.mobileledger.utils.Logger.debug;
public final class MLDB {
public static final String ACCOUNTS_TABLE = "accounts";
@NonNls
public static final String OPT_PROFILE_UUID = "profile_uuid";
private static final String NO_PROFILE = "-";
- private static MobileLedgerDatabase helperForReading, helperForWriting;
- private static Application context;
- private static void checkState() {
- if (context == null)
- throw new IllegalStateException("First call init with a valid context");
- }
- public static synchronized SQLiteDatabase getDatabase(DatabaseMode mode) {
- checkState();
-
- if (mode == READ) {
- if (helperForReading == null) helperForReading = new MobileLedgerDatabase(context);
- return helperForReading.getReadableDatabase();
- }
- else {
- if (helperForWriting == null) helperForWriting = new MobileLedgerDatabase(context);
- return helperForWriting.getWritableDatabase();
- }
- }
- public static SQLiteDatabase getReadableDatabase() {
- return getDatabase(READ);
- }
- public static SQLiteDatabase getWritableDatabase() {
- return getDatabase(WRITE);
- }
+ @SuppressWarnings("unused")
static public int getIntOption(String name, int default_value) {
String s = getOption(name, String.valueOf(default_value));
try {
return Integer.parseInt(s);
}
catch (Exception e) {
- Log.d("db", "returning default int value of " + name, e);
+ debug("db", "returning default int value of " + name, e);
return default_value;
}
}
+ @SuppressWarnings("unused")
static public long getLongOption(String name, long default_value) {
String s = getOption(name, String.valueOf(default_value));
try {
return Long.parseLong(s);
}
catch (Exception e) {
- Log.d("db", "returning default long value of " + name, e);
+ debug("db", "returning default long value of " + name, e);
return default_value;
}
}
+ static public void getOption(String name, String defaultValue, GetOptCallback cb) {
+ AsyncTask<Void, Void, String> t = new AsyncTask<Void, Void, String>() {
+ @Override
+ protected String doInBackground(Void... params) {
+ SQLiteDatabase db = App.getDatabase();
+ try (Cursor cursor = db
+ .rawQuery("select value from options where profile = ? and name=?",
+ new String[]{NO_PROFILE, name}))
+ {
+ if (cursor.moveToFirst()) {
+ String result = cursor.getString(0);
+
+ if (result == null) result = defaultValue;
+
+ debug("async-db", "option " + name + "=" + result);
+ return result;
+ }
+ else return defaultValue;
+ }
+ catch (Exception e) {
+ debug("db", "returning default value for " + name, e);
+ return defaultValue;
+ }
+ }
+ @Override
+ protected void onPostExecute(String result) {
+ cb.onResult(result);
+ }
+ };
+
+ t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void) null);
+ }
static public String getOption(String name, String default_value) {
- Log.d("db", "about to fetch option " + name);
- SQLiteDatabase db = getReadableDatabase();
+ debug("db", "about to fetch option " + name);
+ SQLiteDatabase db = App.getDatabase();
try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?",
new String[]{NO_PROFILE, name}))
{
if (result == null) result = default_value;
- Log.d("db", "option " + name + "=" + result);
+ debug("db", "option " + name + "=" + result);
return result;
}
else return default_value;
}
catch (Exception e) {
- Log.d("db", "returning default value for " + name, e);
+ debug("db", "returning default value for " + name, e);
return default_value;
}
}
static public void setOption(String name, String value) {
- Log.d("option", String.format("%s := %s", name, value));
- SQLiteDatabase db = MLDB.getWritableDatabase();
- db.execSQL("insert or replace into options(profile, name, value) values(?, ?, ?);",
+ debug("option", String.format("%s := %s", name, value));
+ DbOpQueue.add("insert or replace into options(profile, name, value) values(?, ?, ?);",
new String[]{NO_PROFILE, name, value});
}
+ @SuppressWarnings("unused")
static public void setLongOption(String name, long value) {
setOption(name, String.valueOf(value));
}
final AutoCompleteTextView view,
final String table, final String field,
final boolean profileSpecific) {
- hookAutocompletionAdapter(context, view, table, field, profileSpecific, null, null);
+ hookAutocompletionAdapter(context, view, table, field, profileSpecific, null, null,
+ Data.profile.getValue());
}
@TargetApi(Build.VERSION_CODES.N)
public static void hookAutocompletionAdapter(final Context context,
final AutoCompleteTextView view,
final String table, final String field,
- final boolean profileSpecific,
- final View nextView,
- final DescriptionSelectedCallback callback) {
+ final boolean profileSpecific, final View nextView,
+ final DescriptionSelectedCallback callback,
+ final MobileLedgerProfile profile) {
String[] from = {field};
int[] to = {android.R.id.text1};
SimpleCursorAdapter adapter =
if (constraint == null) return null;
String str = constraint.toString().toUpperCase();
- Log.d("autocompletion", "Looking for " + str);
+ debug("autocompletion", "Looking for " + str);
String[] col_names = {FontsContract.Columns._ID, field};
MatrixCursor c = new MatrixCursor(col_names);
"FROM %s " +
"WHERE profile=? AND %s_upper LIKE '%%'||?||'%%' " +
"ORDER BY 2, 1;", field, field, field, field, table, field);
- params = new String[]{str, str, str, Data.profile.get().getUuid(), str};
+ params = new String[]{str, str, str, profile.getUuid(), str};
}
else {
sql = String.format("SELECT %s as a, case when %s_upper LIKE ?||'%%' then 1 " +
"ORDER BY 2, 1;", field, field, field, field, table, field);
params = new String[]{str, str, str, str};
}
- Log.d("autocompletion", sql);
- SQLiteDatabase db = MLDB.getReadableDatabase();
+ debug("autocompletion", sql);
+ SQLiteDatabase db = App.getDatabase();
try (Cursor matches = db.rawQuery(sql, params)) {
int i = 0;
while (matches.moveToNext()) {
String match = matches.getString(0);
int order = matches.getInt(1);
- Log.d("autocompletion", String.format("match: %s |%d", match, order));
+ debug("autocompletion",
+ String.format(Locale.ENGLISH, "match: %s |%d", match, order));
c.newRow().add(i++).add(match);
}
}
});
}
}
- public static void init(Application context) {
- MLDB.context = context;
- }
- public static void done() {
- if (helperForReading != null) helperForReading.close();
-
- if ((helperForWriting != helperForReading) && (helperForWriting != null))
- helperForWriting.close();
- }
-
- public enum DatabaseMode {READ, WRITE}
}
-class MobileLedgerDatabase extends SQLiteOpenHelper implements AutoCloseable {
- public static final String DB_NAME = "MoLe.db";
- public static final int LATEST_REVISION = 19;
-
- private final Application mContext;
-
- public MobileLedgerDatabase(Application context) {
- super(context, DB_NAME, null, LATEST_REVISION);
- Log.d("db", "creating helper instance");
- mContext = context;
- super.setWriteAheadLoggingEnabled(true);
- }
-
- @Override
- public void onCreate(SQLiteDatabase db) {
- Log.d("db", "onCreate called");
- onUpgrade(db, -1, LATEST_REVISION);
- }
-
- @Override
- public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
- Log.d("db", "onUpgrade called");
- for (int i = oldVersion + 1; i <= newVersion; i++) applyRevision(db, i);
- }
-
- private void applyRevision(SQLiteDatabase db, int rev_no) {
- final Resources rm = mContext.getResources();
- String rev_file = String.format(Locale.US, "sql_%d", rev_no);
-
- int res_id = rm.getIdentifier(rev_file, "raw", mContext.getPackageName());
- if (res_id == 0)
- throw new SQLException(String.format(Locale.US, "No resource for revision %d", rev_no));
- db.beginTransaction();
- try (InputStream res = rm.openRawResource(res_id)) {
- Log.d("db", "Applying revision " + String.valueOf(rev_no));
- InputStreamReader isr = new InputStreamReader(res);
- BufferedReader reader = new BufferedReader(isr);
-
- String line;
- int line_no = 1;
- while ((line = reader.readLine()) != null) {
- if (line.startsWith("--")) {
- line_no++;
- continue;
- }
- if (line.isEmpty()) {
- line_no++;
- continue;
- }
- try {
- db.execSQL(line);
- }
- catch (Exception e) {
- throw new RuntimeException(
- String.format("Error applying revision %d, line %d", rev_no, line_no),
- e);
- }
- line_no++;
- }
-
- db.setTransactionSuccessful();
- }
- catch (IOException e) {
- Log.e("db", String.format("Error opening raw resource for revision %d", rev_no));
- e.printStackTrace();
- }
- finally {
- db.endTransaction();
- }
- }
-}