X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMLDB.java;h=ab792ae47d1e7b7c54cb97cc77f5031e40a12713;hp=4f627779b93fb238c9cbe23c4531ff4b19f4232c;hb=1b36e6425230f00d2b6fee293629fd64e59db74b;hpb=e08f8e03661c9780e4a8f291fd04cab2448de19d diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java index 4f627779..ab792ae4 100644 --- a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java +++ b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java @@ -1,172 +1,211 @@ /* - * Copyright © 2018 Damyan Ivanov. - * This file is part of Mobile-Ledger. - * Mobile-Ledger is free software: you can distribute it and/or modify it + * 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. * - * Mobile-Ledger is distributed in the hope that it will be useful, + * 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 Mobile-Ledger. If not, see . + * along with MoLe. If not, see . */ package net.ktnx.mobileledger.utils; +import android.annotation.TargetApi; import android.content.Context; -import android.content.res.Resources; import android.database.Cursor; -import android.database.SQLException; +import android.database.MatrixCursor; import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; -import android.util.Log; +import android.os.AsyncTask; +import android.os.Build; +import android.provider.FontsContract; +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 enum DatabaseMode {READ, WRITE} - public static final String ACCOUNTS_TABLE = "accounts"; public static final String DESCRIPTION_HISTORY_TABLE = "description_history"; - public static final String OPT_TRANSACTION_LIST_STAMP = "transaction_list_last_update"; - private static MobileLedgerDatabase helperForReading, helperForWriting; - - public static synchronized SQLiteDatabase getDatabase(Context context, DatabaseMode mode) { - 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(Context context) { - return getDatabase(context.getApplicationContext(), READ); - } - public static SQLiteDatabase getWritableDatabase(Context context) { - return getDatabase(context.getApplicationContext(), WRITE); - } - static public int get_option_value(Context context, String name, int default_value) { - String s = get_option_value(context, name, String.valueOf(default_value)); + 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) { - Log.d("db", "returning default int value of " + name, e); + debug("db", "returning default int value of " + name, e); return default_value; } } - - static public long get_option_value(Context context, String name, long default_value) { - String s = get_option_value(context, name, String.valueOf(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 String get_option_value(Context context, String name, String default_value) { - Log.d("db", "about to fetch option " + name); - try (SQLiteDatabase db = getReadableDatabase(context)) { - try (Cursor cursor = db - .rawQuery("select value from options where name=?", new String[]{name})) - { - if (cursor.moveToFirst()) { - String result = cursor.getString(0); - - if (result == null) result = default_value; - - Log.d("db", "option " + name + "=" + result); - return result; + 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; } - else return default_value; } - catch (Exception e) { - Log.d("db", "returning default value for " + name, e); - return default_value; + @Override + protected void onPostExecute(String result) { + cb.onResult(result); } - } - } + }; - static public void set_option_value(Context context, String name, String value) { - Log.d("db", "setting option " + name + "=" + value); - try (SQLiteDatabase db = getWritableDatabase(context)) { - db.execSQL("insert or replace into options(name, value) values(?, ?);", - new String[]{name, value}); + 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 set_option_value(Context context, String name, long value) { - set_option_value(context, name, String.valueOf(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}); } -} - -class MobileLedgerDatabase extends SQLiteOpenHelper implements AutoCloseable { - public static final String DB_NAME = "mobile-ledger.db"; - public static final int LATEST_REVISION = 10; - - private final Context mContext; - - public MobileLedgerDatabase(Context context) { - super(context, DB_NAME, null, LATEST_REVISION); - Log.d("db", "creating helper instance"); - mContext = context; - super.setWriteAheadLoggingEnabled(true); + @SuppressWarnings("unused") + static public void setLongOption(String name, long value) { + setOption(name, String.valueOf(value)); } - - @Override - public void onCreate(SQLiteDatabase db) { - Log.d("db", "onCreate called"); - onUpgrade(db, -1, LATEST_REVISION); + @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[] 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); + } + } - @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); - } + return c; - 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; - while ((line = reader.readLine()) != null) { - db.execSQL(line); - } + }; - db.setTransactionSuccessful(); - } - catch (IOException e) { - Log.e("db", String.format("Error opening raw resource for revision %d", rev_no)); - e.printStackTrace(); - } - finally { - db.endTransaction(); - } + adapter.setFilterQueryProvider(provider); + + view.setAdapter(adapter); + + if (callback != null) view.setOnItemClickListener((parent, itemView, position, id) -> { + callback.descriptionSelected(String.valueOf(view.getText())); + }); } } +