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=30b77f9c9a4e006b484022f21431a1dd9ac3880c;hp=5fd4e0e6b4a81d021a836bd430f014e7aa554eb8;hb=f27308fd9e4c8c158e64e6a35967b773f0f7e601;hpb=6c58c1072c9af6ea0d0f52baeae7f95ba7f7ee2f 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 5fd4e0e6..30b77f9c 100644 --- a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java +++ b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java @@ -1,29 +1,44 @@ /* - * 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.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; @@ -31,135 +46,241 @@ 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"; - 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, READ); + 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 getWritableDatabase(Context context) { - return getDatabase(context, WRITE); + public static SQLiteDatabase getDatabase() { + checkState(); + + SQLiteDatabase db; + + db = dbHelper.getWritableDatabase(); + + db.execSQL("pragma case_sensitive_like=ON;"); + return db; } - static public int get_option_value(Context context, String name, int default_value) { - String s = get_option_value(context, name, String.valueOf(default_value)); + 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)); + 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 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); - 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; + if (result == null) result = default_value; - Log.d("db", "option " + name + "=" + result); - return result; - } - else return default_value; - } - catch (Exception e) { - Log.d("db", "returning default value for " + name, e); - return 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.get()); + } + @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); - 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}); + 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())); + } + }); } } - - static public void set_option_value(Context context, String name, long value) { - set_option_value(context, name, String.valueOf(value)); + 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 implements AutoCloseable { - public static final String DB_NAME = "mobile-ledger.db"; - public static final int LATEST_REVISION = 8; +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 Context mContext; + private final Application mContext; - public MobileLedgerDatabase(Context context) { + public MobileLedgerDatabase(Application context) { super(context, DB_NAME, null, LATEST_REVISION); - Log.d("db", "creating helper instance"); + debug("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); + debug("db", "onCreate called"); + applyRevisionFile(db, CREATE_DB_SQL); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - Log.d("db", "onUpgrade called"); + debug("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); + 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 revision %d", rev_no)); + 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)) { - Log.d("db", "Applying revision " + String.valueOf(rev_no)); + 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) { - db.execSQL(line); + 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 revision %d", rev_no)); + Log.e("db", String.format("Error opening raw resource for %s", rev_file)); e.printStackTrace(); } finally {