/*
* 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 .
*/
package net.ktnx.mobileledger.utils;
import android.annotation.TargetApi;
import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
import android.os.Build;
import android.provider.FontsContract;
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.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 = "-";
@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, 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 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) {
MobileLedgerProfile p = (profile == null) ? Data.profile.getValue() : profile;
if (p == null) throw new AssertionError();
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, p.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 = 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);
debug("autocompletion",
String.format(Locale.ENGLISH, "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()));
}
});
}
}
}