1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.providers.contacts.database;
18
19import android.content.ContentValues;
20import android.database.sqlite.SQLiteDatabase;
21import android.provider.ContactsContract;
22
23import com.android.providers.contacts.ContactsDatabaseHelper;
24import com.android.providers.contacts.util.Clock;
25
26/**
27 * Methods for operating on the deleted_contacts table.
28 */
29public class DeletedContactsTableUtil {
30
31    /**
32     * Create deleted_contacts tables and indexes.
33     *
34     * @param db The sqlite database instance.
35     */
36    public static void create(SQLiteDatabase db) {
37        // Deleted contacts log
38        db.execSQL("CREATE TABLE " + ContactsDatabaseHelper.Tables.DELETED_CONTACTS + " (" +
39                ContactsContract.DeletedContacts.CONTACT_ID + " INTEGER PRIMARY KEY," +
40                ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP +
41                " INTEGER NOT NULL default 0"
42                + ");");
43
44        db.execSQL(MoreDatabaseUtils.buildCreateIndexSql(
45                ContactsDatabaseHelper.Tables.DELETED_CONTACTS,
46                ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP));
47    }
48
49    /**
50     * Inserts a deleted contact log record.
51     *
52     * @param db The SQLiteDatabase instance.
53     * @param contactId The contact id to insert.
54     * @return The row id
55     */
56    public static long insertDeletedContact(SQLiteDatabase db, long contactId) {
57        ContentValues values = new ContentValues();
58        values.put(ContactsContract.DeletedContacts.CONTACT_ID, contactId);
59        values.put(ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP,
60                Clock.getInstance().currentTimeMillis());
61        // a.k.a upsert
62        return db.insertWithOnConflict(ContactsDatabaseHelper.Tables.DELETED_CONTACTS, null, values,
63                SQLiteDatabase.CONFLICT_REPLACE);
64    }
65
66    /**
67     * Deletes old log records.
68     *
69     * @param db The database instance to use.
70     */
71    public static int deleteOldLogs(SQLiteDatabase db) {
72
73        long time = Clock.getInstance().currentTimeMillis() -
74                ContactsContract.DeletedContacts.DAYS_KEPT_MILLISECONDS;
75
76        String[] args = new String[]{time + ""};
77
78        return db.delete(ContactsDatabaseHelper.Tables.DELETED_CONTACTS,
79                ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP + " < ?", args);
80    }
81}
82