213 lines
7.4 KiB
Java
213 lines
7.4 KiB
Java
package app.fedilab.android.client.entities;
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/* Copyright 2022 Thomas Schneider
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*
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* This file is a part of Fedilab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Fedilab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import com.google.gson.Gson;
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import com.google.gson.annotations.SerializedName;
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import com.google.gson.reflect.TypeToken;
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import java.io.Serializable;
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import java.util.Date;
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import java.util.List;
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import app.fedilab.android.BaseMainActivity;
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import app.fedilab.android.client.entities.app.PinnedTimeline;
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import app.fedilab.android.exception.DBException;
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import app.fedilab.android.helper.Helper;
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import app.fedilab.android.sqlite.Sqlite;
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public class Pinned implements Serializable {
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private final SQLiteDatabase db;
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@SerializedName("id")
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public long id = -1;
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@SerializedName("instance")
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public String instance;
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@SerializedName("user_id")
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public String user_id;
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@SerializedName("pinnedTimelines")
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public List<PinnedTimeline> pinnedTimelines;
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@SerializedName("created_at")
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public Date created_ad;
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@SerializedName("updated_at")
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public Date updated_at;
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private Context context;
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public Pinned() {
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db = null;
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}
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public Pinned(Context context) {
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//Creation of the DB with tables
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this.context = context;
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this.db = Sqlite.getInstance(context.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
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}
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/**
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* Serialized a list of PinnedTimeline class
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*
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* @param pinnedTimelines List of {@link PinnedTimeline} to serialize
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* @return String serialized pinnedTimelines list
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*/
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public static String mastodonPinnedTimelinesToStringStorage(List<PinnedTimeline> pinnedTimelines) {
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Gson gson = new Gson();
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try {
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return gson.toJson(pinnedTimelines);
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* Unserialized a PinnedTimeline List
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*
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* @param serializedPinnedTimelines String serialized PinnedTimeline list
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* @return List of {@link PinnedTimeline}
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*/
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public static List<PinnedTimeline> restorePinnedTimelinesFromString(String serializedPinnedTimelines) {
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Gson gson = new Gson();
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try {
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return gson.fromJson(serializedPinnedTimelines, new TypeToken<List<PinnedTimeline>>() {
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}.getType());
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* Insert pinnedTimeline in db
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*
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* @param pinned {@link Pinned}
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* @return long - db id
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* @throws DBException exception with database
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*/
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public long insertPinned(Pinned pinned) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_INSTANCE, BaseMainActivity.currentInstance);
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values.put(Sqlite.COL_USER_ID, BaseMainActivity.currentUserID);
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values.put(Sqlite.COL_PINNED_TIMELINES, mastodonPinnedTimelinesToStringStorage(pinned.pinnedTimelines));
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values.put(Sqlite.COL_CREATED_AT, Helper.dateToString(new Date()));
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//Inserts pinned
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try {
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return db.insertOrThrow(Sqlite.TABLE_PINNED_TIMELINES, null, values);
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} catch (Exception e) {
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e.printStackTrace();
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return -1;
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}
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}
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/**
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* update pinned in db
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*
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* @param pinned {@link Pinned}
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* @return long - db id
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* @throws DBException exception with database
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*/
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public long updatePinned(Pinned pinned) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_PINNED_TIMELINES, mastodonPinnedTimelinesToStringStorage(pinned.pinnedTimelines));
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values.put(Sqlite.COL_UPDATED_AT, Helper.dateToString(new Date()));
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//Inserts token
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try {
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return db.update(Sqlite.TABLE_PINNED_TIMELINES,
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values, Sqlite.COL_INSTANCE + " = ? AND " + Sqlite.COL_USER_ID + " = ?",
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new String[]{pinned.instance, pinned.user_id});
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} catch (Exception e) {
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e.printStackTrace();
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return -1;
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}
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}
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/**
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* Returns the pinned timeline for an account
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*
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* @param account Account
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* @return Pinned - {@link Pinned}
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*/
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public Pinned getPinned(Account account) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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try {
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Cursor c = db.query(Sqlite.TABLE_PINNED_TIMELINES, null, Sqlite.COL_INSTANCE + " = '" + account.instance + "' AND " + Sqlite.COL_USER_ID + " = '" + account.user_id + "'", null, null, null, Sqlite.COL_UPDATED_AT + " DESC", "1");
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return cursorToPined(c);
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} catch (Exception e) {
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return null;
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}
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}
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public boolean pinnedExist(Pinned pinned) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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Cursor mCount = db.rawQuery("select count(*) from " + Sqlite.TABLE_PINNED_TIMELINES
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+ " where " + Sqlite.COL_INSTANCE + " = '" + pinned.instance + "' AND " + Sqlite.COL_USER_ID + " = '" + pinned.user_id + "'", null);
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mCount.moveToFirst();
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int count = mCount.getInt(0);
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mCount.close();
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return (count > 0);
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}
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/**
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* Restore pinned from db
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*
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* @param c Cursor
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* @return Pinned
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*/
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private Pinned cursorToPined(Cursor c) {
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//No element found
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if (c.getCount() == 0) {
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c.close();
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return null;
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}
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//Take the first element
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c.moveToFirst();
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Pinned pinned = convertCursorToStatusDraft(c);
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//Close the cursor
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c.close();
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return pinned;
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}
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/**
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* Read cursor and hydrate without closing it
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*
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* @param c - Cursor
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* @return Timeline
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*/
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private Pinned convertCursorToStatusDraft(Cursor c) {
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Pinned pinned = new Pinned();
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pinned.id = c.getInt(c.getColumnIndexOrThrow(Sqlite.COL_ID));
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pinned.instance = c.getString(c.getColumnIndexOrThrow(Sqlite.COL_INSTANCE));
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pinned.user_id = c.getString(c.getColumnIndexOrThrow(Sqlite.COL_USER_ID));
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pinned.pinnedTimelines = restorePinnedTimelinesFromString(c.getString(c.getColumnIndexOrThrow(Sqlite.COL_PINNED_TIMELINES)));
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pinned.created_ad = Helper.stringToDate(context, c.getString(c.getColumnIndexOrThrow(Sqlite.COL_CREATED_AT)));
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pinned.updated_at = Helper.stringToDate(context, c.getString(c.getColumnIndexOrThrow(Sqlite.COL_UPDATED_AT)));
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return pinned;
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}
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}
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