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package it.niedermann.owncloud.notes.persistence;
import android.content.Context;
import android.graphics.Color;
import android.os.AsyncTask;
import android.text.Html;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import it.niedermann.owncloud.notes.R;
import it.niedermann.owncloud.notes.model.Category;
import it.niedermann.owncloud.notes.model.DBNote;
import it.niedermann.owncloud.notes.model.Item;
import it.niedermann.owncloud.notes.model.SectionItem;
import it.niedermann.owncloud.notes.util.DisplayUtils;
import it.niedermann.owncloud.notes.util.NoteUtil;
public class LoadNotesListTask extends AsyncTask<Void, Void, List<Item>> {
private final Context context;
private final NotesLoadedListener callback;
private final Category category;
private final CharSequence searchQuery;
private final long accountId;
private final int searchForeground;
private final int searchBackground;
public LoadNotesListTask(long accountId, @NonNull Context context, @NonNull NotesLoadedListener callback, @NonNull Category category, @Nullable CharSequence searchQuery) {
this.context = context;
this.callback = callback;
this.category = category;
this.searchQuery = searchQuery;
this.accountId = accountId;
this.searchBackground = context.getResources().getColor(R.color.bg_highlighted);
this.searchForeground = DisplayUtils.getForeground(Integer.toHexString(this.searchBackground)) ? Color.WHITE : context.getResources().getColor(R.color.primary);
}
@Override
protected List<Item> doInBackground(Void... voids) {
List<DBNote> noteList;
NotesDatabase db = NotesDatabase.getInstance(context);
noteList = db.searchNotes(accountId, searchQuery, category.category, category.favorite);
if (category.category == null) {
return fillListByTime(noteList);
} else {
return fillListByCategory(noteList);
}
}
private DBNote colorTheNote(DBNote dbNote) {
if (!TextUtils.isEmpty(searchQuery)) {
SpannableString spannableString = new SpannableString(dbNote.getTitle());
Matcher matcher = Pattern.compile("(" + searchQuery + ")", Pattern.CASE_INSENSITIVE).matcher(spannableString);
while (matcher.find()) {
spannableString.setSpan(new ForegroundColorSpan(searchForeground), matcher.start(), matcher.end(), 0);
spannableString.setSpan(new BackgroundColorSpan(searchBackground), matcher.start(), matcher.end(), 0);
}
dbNote.setTitle(Html.toHtml(spannableString));
spannableString = new SpannableString(dbNote.getExcerpt());
matcher = Pattern.compile("(" + searchQuery + ")", Pattern.CASE_INSENSITIVE).matcher(spannableString);
while (matcher.find()) {
spannableString.setSpan(new ForegroundColorSpan(searchForeground), matcher.start(), matcher.end(), 0);
spannableString.setSpan(new BackgroundColorSpan(searchBackground), matcher.start(), matcher.end(), 0);
}
dbNote.setExcerpt(Html.toHtml(spannableString));
}
return dbNote;
}
@NonNull
@WorkerThread
private List<Item> fillListByCategory(@NonNull List<DBNote> noteList) {
List<Item> itemList = new ArrayList<>();
String currentCategory = category.category;
for (DBNote note : noteList) {
if (currentCategory != null && !currentCategory.equals(note.getCategory())) {
itemList.add(new SectionItem(NoteUtil.extendCategory(note.getCategory())));
}
itemList.add(colorTheNote(note));
currentCategory = note.getCategory();
}
return itemList;
}
@NonNull
@WorkerThread
private List<Item> fillListByTime(@NonNull List<DBNote> noteList) {
List<Item> itemList = new ArrayList<>();
Timeslotter timeslotter = new Timeslotter();
String lastTimeslot = null;
for (int i = 0; i < noteList.size(); i++) {
DBNote currentNote = noteList.get(i);
String timeslot = timeslotter.getTimeslot(currentNote);
if (i > 0 && !timeslot.equals(lastTimeslot)) {
itemList.add(new SectionItem(timeslot));
}
itemList.add(colorTheNote(currentNote));
lastTimeslot = timeslot;
}
return itemList;
}
@Override
protected void onPostExecute(List<Item> items) {
callback.onNotesLoaded(items, category.category == null);
}
public interface NotesLoadedListener {
void onNotesLoaded(List<Item> notes, boolean showCategory);
}
private class Timeslotter {
private final List<Timeslot> timeslots = new ArrayList<>();
private final Calendar lastYear;
Timeslotter() {
Calendar now = Calendar.getInstance();
int month = now.get(Calendar.MONTH);
int day = now.get(Calendar.DAY_OF_MONTH);
int offsetWeekStart = (now.get(Calendar.DAY_OF_WEEK) - now.getFirstDayOfWeek() + 7) % 7;
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_today), month, day));
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_yesterday), month, day - 1));
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_this_week), month, day - offsetWeekStart));
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_last_week), month, day - offsetWeekStart - 7));
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_this_month), month, 1));
timeslots.add(new Timeslot(context.getResources().getString(R.string.listview_updated_last_month), month - 1, 1));
lastYear = Calendar.getInstance();
lastYear.set(now.get(Calendar.YEAR) - 1, 0, 1, 0, 0, 0);
}
private String getTimeslot(DBNote note) {
if (note.isFavorite()) {
return "";
}
Calendar modified = note.getModified();
for (Timeslot timeslot : timeslots) {
if (!modified.before(timeslot.time)) {
return timeslot.label;
}
}
if (!modified.before(this.lastYear)) {
// use YEAR and MONTH in a format based on current locale
return DateUtils.formatDateTime(context, modified.getTimeInMillis(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_NO_MONTH_DAY);
} else {
return Integer.toString(modified.get(Calendar.YEAR));
}
}
private class Timeslot {
private final String label;
private final Calendar time;
Timeslot(String label, int month, int day) {
this.label = label;
this.time = Calendar.getInstance();
this.time.set(this.time.get(Calendar.YEAR), month, day, 0, 0, 0);
}
}
}
}
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