X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMLDB.java;h=178b7b2017484f6e93fa16bf09a60dbc8671b76e;hb=HEAD;hp=16e46e68a6439d8b6fd6725fa928291375af18db;hpb=0ef53a968c083b3c4d054eed72febf3610538dc2;p=mobile-ledger.git diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java deleted file mode 100644 index 16e46e68..00000000 --- a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java +++ /dev/null @@ -1,244 +0,0 @@ -/* - * 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 - * 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 . - */ - -package net.ktnx.mobileledger.utils; - -import android.annotation.TargetApi; -import android.content.Context; -import android.database.Cursor; -import android.database.sqlite.SQLiteDatabase; -import android.os.AsyncTask; -import android.os.Build; -import android.widget.AutoCompleteTextView; -import android.widget.FilterQueryProvider; -import android.widget.SimpleCursorAdapter; - -import androidx.annotation.NonNull; - -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 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 = "-"; - @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) { - 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) { - debug("db", "returning default long value of " + name, e); - return default_value; - } - } - static public void getOption(String name, String defaultValue, GetOptCallback cb) { - AsyncTask t = new AsyncTask() { - @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) { - 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 (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)); - 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)); - } - @TargetApi(Build.VERSION_CODES.N) - public static void hookAutocompletionAdapter(final Context context, - final AutoCompleteTextView view, - final String table, final String field) { - hookAutocompletionAdapter(context, view, table, field, true, null, null); - } - @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 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 sql; - String[] params; - if (profileSpecific) { - MobileLedgerProfile p = (profile == null) ? Data.getProfile() : profile; - sql = String.format( - "SELECT rowid as _id, %s, 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 3, %s_upper, 1;", field, field, field, field, table, field, - field); - params = new String[]{str, str, str, p.getUuid(), str}; - } - else { - sql = String.format( - "SELECT rowid as _id, %s, 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 3, %s_upper, 1;", field, - field, field, field, table, field, field); - params = new String[]{str, str, str, str}; - } - debug("autocompletion", sql); - SQLiteDatabase db = App.getDatabase(); - - return db.rawQuery(sql, params); - }; - - adapter.setFilterQueryProvider(provider); - - view.setAdapter(adapter); - - if (callback != null) - view.setOnItemClickListener( - (parent, itemView, position, id) -> callback.descriptionSelected( - String.valueOf(view.getText()))); - } - public static void queryInBackground(@NonNull String statement, String[] params, - @NonNull final CallbackHelper callbackHelper) { - /* All callbacks are called in the new (asynchronous) thread! */ - Thread t = new Thread(() -> { - callbackHelper.onStart(); - try { - SQLiteDatabase db = App.getDatabase(); - - try (Cursor cursor = db.rawQuery(statement, params)) { - boolean gotRow = false; - while (cursor.moveToNext()) { - gotRow = true; - if (!callbackHelper.onRow(cursor)) - break; - } - if (!gotRow) { - callbackHelper.onNoRows(); - } - } - } - catch (Exception e) { - callbackHelper.onException(e); - } - finally { - callbackHelper.onDone(); - } - }); - - t.start(); - } - /* MLDB.CallbackHelper -- Abstract class for asynchronous SQL query callbacks */ - @SuppressWarnings("WeakerAccess") - abstract public static class CallbackHelper { - public void onStart() {} - public abstract boolean onRow(@NonNull Cursor cursor); - public void onNoRows() {} - public void onException(Exception exception) { - Logger.debug("MLDB", "Exception in asynchronous SQL", exception); - } - public void onDone() {} - } -} -