/*
- * Copyright © 2018 Damyan Ivanov.
+ * Copyright © 2019 Damyan Ivanov.
* This file is part of Mobile-Ledger.
* Mobile-Ledger is free software: you can distribute it and/or modify it
* under the term of the GNU General Public License as published by
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 static net.ktnx.mobileledger.utils.MLDB.DatabaseMode.WRITE;
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";
+ public static final String OPT_LAST_REFRESH = "last_refresh";
private static MobileLedgerDatabase helperForReading, helperForWriting;
+ private static Application context;
+ private static void checkState() {
+ if (context == null)
+ throw new IllegalStateException("First call init with a valid context");
+ }
+ public static synchronized SQLiteDatabase getDatabase(DatabaseMode mode) {
+ checkState();
- public static synchronized SQLiteDatabase getDatabase(Context context, DatabaseMode mode) {
if (mode == READ) {
if (helperForReading == null) helperForReading = new MobileLedgerDatabase(context);
return helperForReading.getReadableDatabase();
return helperForWriting.getWritableDatabase();
}
}
- public static SQLiteDatabase getReadableDatabase(Context context) {
- return getDatabase(context.getApplicationContext(), READ);
+ public static SQLiteDatabase getReadableDatabase() {
+ return getDatabase(READ);
}
- public static SQLiteDatabase getWritableDatabase(Context context) {
- return getDatabase(context.getApplicationContext(), WRITE);
+ public static SQLiteDatabase getWritableDatabase() {
+ return getDatabase(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));
+ static public int get_option_value(String name, int default_value) {
+ String s = get_option_value(name, String.valueOf(default_value));
try {
return Integer.parseInt(s);
}
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 get_option_value(String name, long default_value) {
+ String s = get_option_value(name, String.valueOf(default_value));
try {
return Long.parseLong(s);
}
return default_value;
}
}
-
- static public String get_option_value(Context context, String name, String default_value) {
+ static public String get_option_value(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);
+ SQLiteDatabase db = getReadableDatabase();
+ 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;
+ 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;
}
}
-
- static public void set_option_value(Context context, String name, String value) {
+ static public void set_option_value(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});
- }
+ SQLiteDatabase db = getWritableDatabase();
+ db.execSQL("insert or replace into options(name, value) values(?, ?);",
+ new String[]{name, value});
}
-
- static public void set_option_value(Context context, String name, long value) {
- set_option_value(context, name, String.valueOf(value));
+ static public void set_option_value(String name, long value) {
+ set_option_value(name, String.valueOf(value));
}
@TargetApi(Build.VERSION_CODES.N)
public static void hook_autocompletion_adapter(final Context context,
String[] col_names = {FontsContract.Columns._ID, field};
MatrixCursor c = new MatrixCursor(col_names);
- try (SQLiteDatabase db = MLDB.getReadableDatabase(context)) {
-
- try (Cursor matches = db.rawQuery(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),
- new String[]{str, str, str, str}))
- {
- int i = 0;
- while (matches.moveToNext()) {
- String match = matches.getString(0);
- int order = matches.getInt(1);
- Log.d("autocompletion", String.format("match: %s |%d", match, order));
- c.newRow().add(i++).add(match);
- }
+ SQLiteDatabase db = MLDB.getReadableDatabase();
+
+ try (Cursor matches = db.rawQuery(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), new String[]{str, str, str, str}))
+ {
+ int i = 0;
+ while (matches.moveToNext()) {
+ String match = matches.getString(0);
+ int order = matches.getInt(1);
+ Log.d("autocompletion", String.format("match: %s |%d", match, order));
+ c.newRow().add(i++).add(match);
}
-
- return c;
}
+ return c;
+
}
};
view.setAdapter(adapter);
}
+ public static void init(Application context) {
+ MLDB.context = context;
+ }
+ public static void done() {
+ if (helperForReading != null)
+ helperForReading.close();
+
+ if ((helperForWriting != helperForReading) && (helperForWriting != null))
+ helperForWriting.close();
+ }
+ public enum DatabaseMode {READ, WRITE}
}
class MobileLedgerDatabase extends SQLiteOpenHelper implements AutoCloseable {
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));
+ 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));