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 package com.android.photos.data; 17 18 import android.content.ContentValues; 19 import android.database.Cursor; 20 import android.database.sqlite.SQLiteDatabase; 21 22 import com.android.photos.data.PhotoProvider.Accounts; 23 import com.android.photos.data.PhotoProvider.Albums; 24 import com.android.photos.data.PhotoProvider.Metadata; 25 import com.android.photos.data.PhotoProvider.Photos; 26 27 import junit.framework.AssertionFailedError; 28 29 public class PhotoDatabaseUtils { 30 public static String[] PROJECTION_ALBUMS = { 31 Albums._ID, 32 Albums.ACCOUNT_ID, 33 Albums.PARENT_ID, 34 Albums.VISIBILITY, 35 Albums.LOCATION_STRING, 36 Albums.TITLE, 37 Albums.SUMMARY, 38 Albums.DATE_PUBLISHED, 39 Albums.DATE_MODIFIED, 40 }; 41 42 public static String[] PROJECTION_METADATA = { 43 Metadata.PHOTO_ID, 44 Metadata.KEY, 45 Metadata.VALUE, 46 }; 47 48 public static String[] PROJECTION_PHOTOS = { 49 Photos._ID, 50 Photos.ACCOUNT_ID, 51 Photos.WIDTH, 52 Photos.HEIGHT, 53 Photos.DATE_TAKEN, 54 Photos.ALBUM_ID, 55 Photos.MIME_TYPE, 56 Photos.TITLE, 57 Photos.DATE_MODIFIED, 58 Photos.ROTATION, 59 }; 60 61 public static String[] PROJECTION_ACCOUNTS = { 62 Accounts._ID, 63 Accounts.ACCOUNT_NAME, 64 }; 65 66 private static String SELECTION_ALBUM_PARENT_ID = Albums.PARENT_ID + " = ?"; 67 private static String SELECTION_PHOTO_ALBUM_ID = Photos.ALBUM_ID + " = ?"; 68 private static String SELECTION_ACCOUNT_ID = Accounts.ACCOUNT_NAME + " = ?"; 69 queryAlbumIdFromParentId(SQLiteDatabase db, long parentId)70 public static long queryAlbumIdFromParentId(SQLiteDatabase db, long parentId) { 71 return queryId(db, Albums.TABLE, PROJECTION_ALBUMS, SELECTION_ALBUM_PARENT_ID, parentId); 72 } 73 queryPhotoIdFromAlbumId(SQLiteDatabase db, long albumId)74 public static long queryPhotoIdFromAlbumId(SQLiteDatabase db, long albumId) { 75 return queryId(db, Photos.TABLE, PROJECTION_PHOTOS, SELECTION_PHOTO_ALBUM_ID, albumId); 76 } 77 queryAccountIdFromName(SQLiteDatabase db, String accountName)78 public static long queryAccountIdFromName(SQLiteDatabase db, String accountName) { 79 return queryId(db, Accounts.TABLE, PROJECTION_ACCOUNTS, SELECTION_ACCOUNT_ID, accountName); 80 } 81 queryId(SQLiteDatabase db, String table, String[] projection, String selection, Object parameter)82 public static long queryId(SQLiteDatabase db, String table, String[] projection, 83 String selection, Object parameter) { 84 String paramString = parameter == null ? null : parameter.toString(); 85 String[] selectionArgs = { 86 paramString, 87 }; 88 Cursor cursor = db.query(table, projection, selection, selectionArgs, null, null, null); 89 try { 90 if (cursor.getCount() != 1 || !cursor.moveToNext()) { 91 throw new AssertionFailedError("Couldn't find item in table"); 92 } 93 long id = cursor.getLong(0); 94 return id; 95 } finally { 96 cursor.close(); 97 } 98 } 99 insertPhoto(SQLiteDatabase db, Integer width, Integer height, Long dateTaken, Long albumId, String mimeType, Long accountId)100 public static boolean insertPhoto(SQLiteDatabase db, Integer width, Integer height, 101 Long dateTaken, Long albumId, String mimeType, Long accountId) { 102 ContentValues values = new ContentValues(); 103 values.put(Photos.WIDTH, width); 104 values.put(Photos.HEIGHT, height); 105 values.put(Photos.DATE_TAKEN, dateTaken); 106 values.put(Photos.ALBUM_ID, albumId); 107 values.put(Photos.MIME_TYPE, mimeType); 108 values.put(Photos.ACCOUNT_ID, accountId); 109 return db.insert(Photos.TABLE, null, values) != -1; 110 } 111 insertAlbum(SQLiteDatabase db, Long parentId, String title, Integer privacy, Long accountId)112 public static boolean insertAlbum(SQLiteDatabase db, Long parentId, String title, 113 Integer privacy, Long accountId) { 114 ContentValues values = new ContentValues(); 115 values.put(Albums.PARENT_ID, parentId); 116 values.put(Albums.TITLE, title); 117 values.put(Albums.VISIBILITY, privacy); 118 values.put(Albums.ACCOUNT_ID, accountId); 119 return db.insert(Albums.TABLE, null, values) != -1; 120 } 121 insertMetadata(SQLiteDatabase db, Long photosId, String key, String value)122 public static boolean insertMetadata(SQLiteDatabase db, Long photosId, String key, String value) { 123 ContentValues values = new ContentValues(); 124 values.put(Metadata.PHOTO_ID, photosId); 125 values.put(Metadata.KEY, key); 126 values.put(Metadata.VALUE, value); 127 return db.insert(Metadata.TABLE, null, values) != -1; 128 } 129 insertAccount(SQLiteDatabase db, String name)130 public static boolean insertAccount(SQLiteDatabase db, String name) { 131 ContentValues values = new ContentValues(); 132 values.put(Accounts.ACCOUNT_NAME, name); 133 return db.insert(Accounts.TABLE, null, values) != -1; 134 } 135 } 136