+++ /dev/null
-/*
- * Copyright © 2019 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
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * MoLe is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
- */
-
-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.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.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.Logger.debug;
-
-public final class MLDB {
- public static final String ACCOUNTS_TABLE = "accounts";
- public static final String DESCRIPTION_HISTORY_TABLE = "description_history";
- public static final String OPT_LAST_SCRAPE = "last_scrape";
- @NonNls
- public static final String OPT_PROFILE_UUID = "profile_uuid";
- private static final String NO_PROFILE = "-";
- private static MobileLedgerDatabase dbHelper;
- private static Application context;
- private static void checkState() {
- if (context == null)
- throw new IllegalStateException("First call init with a valid context");
- }
- public static SQLiteDatabase getDatabase() {
- checkState();
-
- SQLiteDatabase db;
-
- db = dbHelper.getWritableDatabase();
-
- db.execSQL("pragma case_sensitive_like=ON;");
- return db;
- }
- 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) {
- debug("db", "returning default int value of " + name, e);
- return default_value;
- }
- }
- 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) {
- debug("db", "returning default long value of " + name, e);
- return default_value;
- }
- }
- static public String getOption(String name, String default_value) {
- debug("db", "about to fetch option " + name);
- SQLiteDatabase db = 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 = default_value;
-
- debug("db", "option " + name + "=" + result);
- return result;
- }
- else return default_value;
- }
- catch (Exception e) {
- debug("db", "returning default value for " + name, e);
- return default_value;
- }
- }
- static public void setOption(String name, String value) {
- debug("option", String.format("%s := %s", name, value));
- SQLiteDatabase db = MLDB.getDatabase();
- db.execSQL("insert or replace into options(profile, name, value) values(?, ?, ?);",
- new String[]{NO_PROFILE, name, value});
- }
- static public void setLongOption(String name, long value) {
- setOption(name, String.valueOf(value));
- }
- @TargetApi(Build.VERSION_CODES.N)
- public static void hookAutocompletionAdapter(final Context context,
- final AutoCompleteTextView view,
- final String table, final String field,
- final boolean profileSpecific) {
- 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 MobileLedgerProfile profile) {
- String[] from = {field};
- int[] to = {android.R.id.text1};
- SimpleCursorAdapter adapter =
- new SimpleCursorAdapter(context, android.R.layout.simple_dropdown_item_1line, null,
- from, to, 0);
- adapter.setStringConversionColumn(1);
-
- FilterQueryProvider provider = constraint -> {
- if (constraint == null) return null;
-
- String str = constraint.toString().toUpperCase();
- debug("autocompletion", "Looking for " + str);
- String[] col_names = {FontsContract.Columns._ID, field};
- MatrixCursor c = new MatrixCursor(col_names);
-
- String sql;
- String[] params;
- if (profileSpecific) {
- sql = String.format("SELECT %s as a, case when %s_upper LIKE ?||'%%' then 1 " +
- "WHEN %s_upper LIKE '%%:'||?||'%%' then 2 " +
- "WHEN %s_upper LIKE '%% '||?||'%%' then 3 else 9 end " +
- "FROM %s " +
- "WHERE profile=? AND %s_upper LIKE '%%'||?||'%%' " +
- "ORDER BY 2, 1;", field, field, field, field, table, field);
- params = new String[]{str, str, str, profile.getUuid(), str};
- }
- else {
- sql = String.format("SELECT %s as a, case when %s_upper LIKE ?||'%%' then 1 " +
- "WHEN %s_upper LIKE '%%:'||?||'%%' then 2 " +
- "WHEN %s_upper LIKE '%% '||?||'%%' then 3 " + "else 9 end " +
- "FROM %s " + "WHERE %s_upper LIKE '%%'||?||'%%' " +
- "ORDER BY 2, 1;", field, field, field, field, table, field);
- params = new String[]{str, str, str, str};
- }
- debug("autocompletion", sql);
- SQLiteDatabase db = MLDB.getDatabase();
-
- try (Cursor matches = db.rawQuery(sql, params)) {
- int i = 0;
- while (matches.moveToNext()) {
- String match = matches.getString(0);
- int order = matches.getInt(1);
- debug("autocompletion", String.format("match: %s |%d", match, order));
- c.newRow().add(i++).add(match);
- }
- }
-
- return c;
-
- };
-
- adapter.setFilterQueryProvider(provider);
-
- view.setAdapter(adapter);
-
- if (nextView != null) {
- view.setOnItemClickListener((parent, itemView, position, id) -> {
- nextView.requestFocus(View.FOCUS_FORWARD);
- if (callback != null) {
- callback.descriptionSelected(String.valueOf(view.getText()));
- }
- });
- }
- }
- public static synchronized void init(Application context) {
- MLDB.context = context;
- if (dbHelper != null)
- throw new IllegalStateException("It appears init() was already called");
- dbHelper = new MobileLedgerDatabase(context);
- }
- public static synchronized void done() {
- if (dbHelper != null) {
- debug("db", "Closing DB helper");
- dbHelper.close();
- dbHelper = null;
- }
- }
-}
-
-class MobileLedgerDatabase extends SQLiteOpenHelper {
- private static final String DB_NAME = "MoLe.db";
- private static final int LATEST_REVISION = 22;
- private static final String CREATE_DB_SQL = "create_db";
-
- private final Application mContext;
-
- public MobileLedgerDatabase(Application context) {
- super(context, DB_NAME, null, LATEST_REVISION);
- debug("db", "creating helper instance");
- mContext = context;
- super.setWriteAheadLoggingEnabled(true);
- }
-
- @Override
- public void onCreate(SQLiteDatabase db) {
- debug("db", "onCreate called");
- applyRevisionFile(db, CREATE_DB_SQL);
- }
-
- @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);
- }
-
- 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) {
- final Resources rm = mContext.getResources();
- int res_id = rm.getIdentifier(rev_file, "raw", mContext.getPackageName());
- if (res_id == 0)
- throw new SQLException(String.format(Locale.US, "No resource for %s", rev_file));
- db.beginTransaction();
- try (InputStream res = rm.openRawResource(res_id)) {
- debug("db", "Applying " + rev_file);
- 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 %s, line %d", rev_file, line_no), e);
- }
- line_no++;
- }
-
- db.setTransactionSuccessful();
- }
- catch (IOException e) {
- Log.e("db", String.format("Error opening raw resource for %s", rev_file));
- e.printStackTrace();
- }
- finally {
- db.endTransaction();
- }
- }
-}
projects / mobile-ledger.git / blobdiff