Back to project page AnkiStats.
The source code is released under:
GNU General Public License
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/**************************************************************************************** * Copyright (c) 2011 Norbert Nagold <norbert.nagold@gmail.com> * * Copyright (c) 2012 Kostas Spyropoulos <inigo.aldana@gmail.com> * * Copyright (c) 2014 Michael Goldbach <trashcutter@googlemail.com> * * * * This program is free software; you can redistribute it and/or modify it under * * the terms of the GNU General private License as published by the Free Software * * Foundation; either version 3 of the License, or (at your option) any later * * version. * * * * This program 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 private License for more details. * * * * You should have received a copy of the GNU General private License along with * * this program. If not, see <http://www.gnu.org/licenses/>. * ****************************************************************************************/ package com.wildplot.android.ankistats; // w w w . j av a2 s. c om import android.database.Cursor; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.*; /** * LibAnki stuff we need for this to work */ public class CollectionData { private AnkiDb mAnkiDb; // BEGIN: SQL table columns private long mCrt; private long mMod; private long mScm; private boolean mDty; private int mUsn; private long mLs; private JSONObject mConf; private HashMap<Long, JSONObject> mDecks; private HashMap<Long, JSONObject> mDconf; private boolean mChanged =true; private int mToday; private long mDayCutoff; public CollectionData(AnkiDb ankiDb){ mAnkiDb = ankiDb; loadCol(); _updateCutoff(); } public int getToday() { return mToday; } public long getDayCutoff() { return mDayCutoff; } public ArrayList<JSONObject> allDecks() { ArrayList<JSONObject> decks = new ArrayList<JSONObject>(); Iterator<JSONObject> it = mDecks.values().iterator(); while (it.hasNext()) { decks.add(it.next()); } return decks; } private void _updateCutoff() { // calculate days since col created and store in mToday mToday = 0; Calendar crt = GregorianCalendar.getInstance(); crt.setTimeInMillis(mCrt*1000); // creation time (from crt as stored in database) Calendar fromNow = GregorianCalendar.getInstance(); // decremented towards crt // code to avoid counting years worth of days int yearSpan = fromNow.get(Calendar.YEAR) - crt.get(Calendar.YEAR); if (yearSpan > 1) { // at least one full year has definitely lapsed since creation int toJump = 365 * (yearSpan - 1); fromNow.add(Calendar.YEAR, -toJump); if (fromNow.compareTo(crt) < 0) { // went too far, reset and do full count fromNow = GregorianCalendar.getInstance(); } else { mToday += toJump; } } // count days backwards while (fromNow.compareTo(crt) > 0) { fromNow.add(Calendar.DAY_OF_MONTH, -1); if (fromNow.compareTo(crt) >= 0) { mToday++; } } crt.add(Calendar.DAY_OF_YEAR, mToday + 1); mDayCutoff = crt.getTimeInMillis() / 1000; } private void loadCol() { Cursor cursor = null; try { // Read in deck table columns cursor = mAnkiDb.getDatabase().rawQuery( "SELECT crt, mod, scm, dty, usn, ls, " + "conf, decks, dconf FROM col", null); if (!cursor.moveToFirst()) { return; } mCrt = cursor.getLong(0); mMod = cursor.getLong(1); mScm = cursor.getLong(2); mDty = cursor.getInt(3) == 1; // No longer used mUsn = cursor.getInt(4); mLs = cursor.getLong(5); try { mConf = new JSONObject(cursor.getString(6)); } catch (JSONException e) { throw new RuntimeException(e); } loadDecks(cursor.getString(7), cursor.getString(8)); } finally { if (cursor != null) { cursor.close(); } } } public void loadDecks(String decks, String dconf) { mDecks = new HashMap<Long, JSONObject>(); mDconf = new HashMap<Long, JSONObject>(); try { JSONObject decksarray = new JSONObject(decks); JSONArray ids = decksarray.names(); for (int i = 0; i < ids.length(); i++) { String id = ids.getString(i); JSONObject o = decksarray.getJSONObject(id); long longId = Long.parseLong(id); mDecks.put(longId, o); } JSONObject confarray = new JSONObject(dconf); ids = confarray.names(); for (int i = 0; i < ids.length(); i++) { String id = ids.getString(i); mDconf.put(Long.parseLong(id), confarray.getJSONObject(id)); } } catch (JSONException e) { throw new RuntimeException(e); } mChanged = false; } public long getCrt() { return mCrt; } }