959 lines
30 KiB
Dart
959 lines
30 KiB
Dart
import 'dart:io';
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import 'package:logging/logging.dart';
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import 'package:path/path.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:photos/models/backup_status.dart';
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import 'package:photos/models/file.dart';
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import 'package:photos/models/file_load_result.dart';
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import 'package:photos/models/file_type.dart';
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import 'package:photos/models/location.dart';
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import 'package:sqflite/sqflite.dart';
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import 'package:sqflite_migration/sqflite_migration.dart';
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class FilesDB {
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/*
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Note: columnUploadedFileID and columnCollectionID have to be compared against
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both NULL and -1 because older clients might have entries where the DEFAULT
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was unset, and a migration script to set the DEFAULT would break in case of
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duplicate entries for un-uploaded files that were created due to a collision
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in background and foreground syncs.
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*/
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static final _databaseName = "ente.files.db";
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static final Logger _logger = Logger("FilesDB");
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static final table = 'files';
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static final tempTable = 'temp_files';
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static final columnGeneratedID = '_id';
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static final columnUploadedFileID = 'uploaded_file_id';
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static final columnOwnerID = 'owner_id';
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static final columnCollectionID = 'collection_id';
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static final columnLocalID = 'local_id';
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static final columnTitle = 'title';
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static final columnDeviceFolder = 'device_folder';
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static final columnLatitude = 'latitude';
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static final columnLongitude = 'longitude';
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static final columnFileType = 'file_type';
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static final columnFileSubType = 'file_sub_type';
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static final columnDuration = 'duration';
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static final columnExif = 'exif';
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static final columnHash = 'hash';
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static final columnMetadataVersion = 'metadata_version';
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static final columnIsDeleted = 'is_deleted';
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static final columnCreationTime = 'creation_time';
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static final columnModificationTime = 'modification_time';
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static final columnUpdationTime = 'updation_time';
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static final columnEncryptedKey = 'encrypted_key';
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static final columnKeyDecryptionNonce = 'key_decryption_nonce';
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static final columnFileDecryptionHeader = 'file_decryption_header';
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static final columnThumbnailDecryptionHeader = 'thumbnail_decryption_header';
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static final columnMetadataDecryptionHeader = 'metadata_decryption_header';
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static final initializationScript = [...createTable(table)];
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static final migrationScripts = [
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...alterDeviceFolderToAllowNULL(),
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...alterTimestampColumnTypes(),
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...addIndices(),
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...addMetadataColumns(),
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];
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final dbConfig = MigrationConfig(
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initializationScript: initializationScript,
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migrationScripts: migrationScripts);
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// make this a singleton class
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FilesDB._privateConstructor();
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static final FilesDB instance = FilesDB._privateConstructor();
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// only have a single app-wide reference to the database
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static Future<Database> _dbFuture;
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Future<Database> get database async {
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// lazily instantiate the db the first time it is accessed
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_dbFuture ??= _initDatabase();
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return _dbFuture;
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}
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// this opens the database (and creates it if it doesn't exist)
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Future<Database> _initDatabase() async {
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Directory documentsDirectory = await getApplicationDocumentsDirectory();
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String path = join(documentsDirectory.path, _databaseName);
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_logger.info("DB path " + path);
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return await openDatabaseWithMigration(path, dbConfig);
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}
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// SQL code to create the database table
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static List<String> createTable(String tableName) {
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return [
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'''
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CREATE TABLE $tableName (
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$columnGeneratedID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
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$columnLocalID TEXT,
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$columnUploadedFileID INTEGER DEFAULT -1,
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$columnOwnerID INTEGER,
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$columnCollectionID INTEGER DEFAULT -1,
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$columnTitle TEXT NOT NULL,
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$columnDeviceFolder TEXT,
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$columnLatitude REAL,
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$columnLongitude REAL,
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$columnFileType INTEGER,
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$columnModificationTime TEXT NOT NULL,
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$columnEncryptedKey TEXT,
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$columnKeyDecryptionNonce TEXT,
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$columnFileDecryptionHeader TEXT,
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$columnThumbnailDecryptionHeader TEXT,
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$columnMetadataDecryptionHeader TEXT,
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$columnIsDeleted INTEGER DEFAULT 0,
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$columnCreationTime TEXT NOT NULL,
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$columnUpdationTime TEXT,
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UNIQUE($columnLocalID, $columnUploadedFileID, $columnCollectionID)
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);
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''',
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];
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}
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static List<String> addIndices() {
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return [
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'''
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CREATE INDEX IF NOT EXISTS collection_id_index ON $table($columnCollectionID);
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''',
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'''
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CREATE INDEX IF NOT EXISTS device_folder_index ON $table($columnDeviceFolder);
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''',
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'''
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CREATE INDEX IF NOT EXISTS creation_time_index ON $table($columnCreationTime);
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''',
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'''
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CREATE INDEX IF NOT EXISTS updation_time_index ON $table($columnUpdationTime);
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'''
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];
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}
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static List<String> alterDeviceFolderToAllowNULL() {
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return [
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...createTable(tempTable),
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'''
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INSERT INTO $tempTable
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SELECT *
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FROM $table;
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DROP TABLE $table;
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ALTER TABLE $tempTable
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RENAME TO $table;
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'''
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];
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}
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static List<String> alterTimestampColumnTypes() {
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return [
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'''
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DROP TABLE IF EXISTS $tempTable;
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''',
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'''
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CREATE TABLE $tempTable (
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$columnGeneratedID INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
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$columnLocalID TEXT,
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$columnUploadedFileID INTEGER DEFAULT -1,
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$columnOwnerID INTEGER,
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$columnCollectionID INTEGER DEFAULT -1,
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$columnTitle TEXT NOT NULL,
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$columnDeviceFolder TEXT,
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$columnLatitude REAL,
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$columnLongitude REAL,
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$columnFileType INTEGER,
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$columnModificationTime INTEGER NOT NULL,
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$columnEncryptedKey TEXT,
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$columnKeyDecryptionNonce TEXT,
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$columnFileDecryptionHeader TEXT,
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$columnThumbnailDecryptionHeader TEXT,
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$columnMetadataDecryptionHeader TEXT,
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$columnCreationTime INTEGER NOT NULL,
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$columnUpdationTime INTEGER,
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UNIQUE($columnLocalID, $columnUploadedFileID, $columnCollectionID)
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);
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''',
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'''
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INSERT INTO $tempTable
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SELECT
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$columnGeneratedID,
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$columnLocalID,
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$columnUploadedFileID,
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$columnOwnerID,
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$columnCollectionID,
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$columnTitle,
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$columnDeviceFolder,
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$columnLatitude,
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$columnLongitude,
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$columnFileType,
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CAST($columnModificationTime AS INTEGER),
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$columnEncryptedKey,
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$columnKeyDecryptionNonce,
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$columnFileDecryptionHeader,
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$columnThumbnailDecryptionHeader,
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$columnMetadataDecryptionHeader,
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CAST($columnCreationTime AS INTEGER),
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CAST($columnUpdationTime AS INTEGER)
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FROM $table;
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''',
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'''
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DROP TABLE $table;
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''',
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'''
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ALTER TABLE $tempTable
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RENAME TO $table;
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''',
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];
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}
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static List<String> addMetadataColumns() {
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return [
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'''
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ALTER TABLE $table ADD COLUMN $columnFileSubType INTEGER;
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''',
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'''
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ALTER TABLE $table ADD COLUMN $columnDuration INTEGER;
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''',
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'''
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ALTER TABLE $table ADD COLUMN $columnExif TEXT;
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''',
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'''
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ALTER TABLE $table ADD COLUMN $columnHash TEXT;
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''',
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'''
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ALTER TABLE $table ADD COLUMN $columnMetadataVersion INTEGER;
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''',
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];
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}
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Future<void> clearTable() async {
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final db = await instance.database;
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await db.delete(table);
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}
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Future<void> insertMultiple(List<File> files) async {
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final startTime = DateTime.now();
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final db = await instance.database;
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var batch = db.batch();
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int batchCounter = 0;
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for (File file in files) {
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if (batchCounter == 400) {
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await batch.commit(noResult: true);
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batch = db.batch();
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batchCounter = 0;
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}
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batch.insert(
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table,
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_getRowForFile(file),
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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batchCounter++;
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}
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await batch.commit(noResult: true);
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final endTime = DateTime.now();
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final duration = Duration(
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microseconds:
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endTime.microsecondsSinceEpoch - startTime.microsecondsSinceEpoch);
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_logger.info("Batch insert of " +
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files.length.toString() +
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" took " +
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duration.inMilliseconds.toString() +
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"ms.");
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}
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Future<int> insert(File file) async {
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final db = await instance.database;
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return db.insert(
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table,
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_getRowForFile(file),
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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Future<File> getFile(int generatedID) async {
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final db = await instance.database;
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final results = await db.query(table,
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where: '$columnGeneratedID = ?', whereArgs: [generatedID]);
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if (results.isEmpty) {
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return null;
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}
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return _convertToFiles(results)[0];
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}
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Future<File> getUploadedFile(int uploadedID, int collectionID) async {
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final db = await instance.database;
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final results = await db.query(
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table,
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where: '$columnUploadedFileID = ? AND $columnCollectionID = ?',
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whereArgs: [
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uploadedID,
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collectionID,
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],
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);
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if (results.isEmpty) {
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return null;
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}
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return _convertToFiles(results)[0];
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}
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Future<Set<int>> getUploadedFileIDs(int collectionID) async {
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final db = await instance.database;
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final results = await db.query(
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table,
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columns: [columnUploadedFileID],
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where: '$columnCollectionID = ?',
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whereArgs: [
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collectionID,
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],
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);
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final ids = <int>{};
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for (final result in results) {
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ids.add(result[columnUploadedFileID]);
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}
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return ids;
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}
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Future<BackedUpFileIDs> getBackedUpIDs() async {
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final db = await instance.database;
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final results = await db.query(
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table,
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columns: [columnLocalID, columnUploadedFileID],
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where:
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'$columnLocalID IS NOT NULL AND ($columnUploadedFileID IS NOT NULL AND $columnUploadedFileID IS NOT -1)',
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);
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final localIDs = <String>{};
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final uploadedIDs = <int>{};
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for (final result in results) {
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localIDs.add(result[columnLocalID]);
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uploadedIDs.add(result[columnUploadedFileID]);
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}
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return BackedUpFileIDs(localIDs.toList(), uploadedIDs.toList());
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}
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Future<FileLoadResult> getAllUploadedFiles(int startTime, int endTime,
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{int limit, bool asc}) async {
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final db = await instance.database;
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final order = (asc ?? false ? 'ASC' : 'DESC');
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final results = await db.query(
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table,
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where:
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'$columnCreationTime >= ? AND $columnCreationTime <= ? AND ($columnCollectionID IS NOT NULL AND $columnCollectionID IS NOT -1)',
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whereArgs: [startTime, endTime],
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orderBy:
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'$columnCreationTime ' + order + ', $columnModificationTime ' + order,
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limit: limit,
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);
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final files = _convertToFiles(results);
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return FileLoadResult(files, files.length == limit);
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}
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Future<FileLoadResult> getAllLocalAndUploadedFiles(int startTime, int endTime,
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{int limit, bool asc}) async {
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final db = await instance.database;
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final order = (asc ?? false ? 'ASC' : 'DESC');
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final results = await db.query(
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table,
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where:
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'$columnCreationTime >= ? AND $columnCreationTime <= ? AND ($columnLocalID IS NOT NULL OR ($columnCollectionID IS NOT NULL AND $columnCollectionID IS NOT -1))',
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whereArgs: [startTime, endTime],
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orderBy:
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'$columnCreationTime ' + order + ', $columnModificationTime ' + order,
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limit: limit,
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);
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final files = _convertToFiles(results);
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return FileLoadResult(files, files.length == limit);
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}
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Future<FileLoadResult> getImportantFiles(
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int startTime, int endTime, List<String> paths,
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{int limit, bool asc}) async {
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final db = await instance.database;
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String inParam = "";
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for (final path in paths) {
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inParam += "'" + path.replaceAll("'", "''") + "',";
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}
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inParam = inParam.substring(0, inParam.length - 1);
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final order = (asc ?? false ? 'ASC' : 'DESC');
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final results = await db.query(
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table,
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where:
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'$columnCreationTime >= ? AND $columnCreationTime <= ? AND (($columnLocalID IS NOT NULL AND $columnDeviceFolder IN ($inParam)) OR ($columnCollectionID IS NOT NULL AND $columnCollectionID IS NOT -1))',
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whereArgs: [startTime, endTime],
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orderBy:
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'$columnCreationTime ' + order + ', $columnModificationTime ' + order,
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limit: limit,
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);
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final uploadedFileIDs = <int>{};
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final files = _convertToFiles(results);
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final List<File> deduplicatedFiles = [];
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for (final file in files) {
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final id = file.uploadedFileID;
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if (id != null && id != -1 && uploadedFileIDs.contains(id)) {
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continue;
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}
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uploadedFileIDs.add(id);
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deduplicatedFiles.add(file);
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}
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return FileLoadResult(deduplicatedFiles, files.length == limit);
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}
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Future<FileLoadResult> getFilesInCollection(
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int collectionID, int startTime, int endTime,
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{int limit, bool asc}) async {
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final db = await instance.database;
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final order = (asc ?? false ? 'ASC' : 'DESC');
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final results = await db.query(
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table,
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where:
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'$columnCollectionID = ? AND $columnCreationTime >= ? AND $columnCreationTime <= ?',
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whereArgs: [collectionID, startTime, endTime],
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orderBy:
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'$columnCreationTime ' + order + ', $columnModificationTime ' + order,
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limit: limit,
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);
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final files = _convertToFiles(results);
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_logger.info("Fetched " + files.length.toString() + " files");
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return FileLoadResult(files, files.length == limit);
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}
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Future<FileLoadResult> getFilesInPath(String path, int startTime, int endTime,
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{int limit, bool asc}) async {
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final db = await instance.database;
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final order = (asc ?? false ? 'ASC' : 'DESC');
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final results = await db.query(
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table,
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where:
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'$columnDeviceFolder = ? AND $columnCreationTime >= ? AND $columnCreationTime <= ? AND $columnLocalID IS NOT NULL',
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whereArgs: [path, startTime, endTime],
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orderBy:
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'$columnCreationTime ' + order + ', $columnModificationTime ' + order,
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groupBy: columnLocalID,
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limit: limit,
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);
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final files = _convertToFiles(results);
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return FileLoadResult(files, files.length == limit);
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}
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Future<List<File>> getAllVideos() async {
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final db = await instance.database;
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final results = await db.query(
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table,
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where: '$columnLocalID IS NOT NULL AND $columnFileType = 1',
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orderBy: '$columnCreationTime DESC',
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);
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return _convertToFiles(results);
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}
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Future<List<File>> getAllInPath(String path) async {
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final db = await instance.database;
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final results = await db.query(
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table,
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where: '$columnLocalID IS NOT NULL AND $columnDeviceFolder = ?',
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whereArgs: [path],
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orderBy: '$columnCreationTime DESC',
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groupBy: columnLocalID,
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);
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return _convertToFiles(results);
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}
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Future<List<File>> getFilesCreatedWithinDurations(
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List<List<int>> durations) async {
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final db = await instance.database;
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String whereClause = "";
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for (int index = 0; index < durations.length; index++) {
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whereClause += "($columnCreationTime > " +
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durations[index][0].toString() +
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" AND $columnCreationTime < " +
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durations[index][1].toString() +
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")";
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if (index != durations.length - 1) {
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whereClause += " OR ";
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}
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}
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final results = await db.query(
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table,
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where: whereClause,
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orderBy: '$columnCreationTime ASC',
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);
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return _convertToFiles(results);
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}
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Future<List<File>> getFilesToBeUploadedWithinFolders(
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Set<String> folders) async {
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if (folders.isEmpty) {
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return [];
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}
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final db = await instance.database;
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String inParam = "";
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for (final folder in folders) {
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inParam += "'" + folder.replaceAll("'", "''") + "',";
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}
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inParam = inParam.substring(0, inParam.length - 1);
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final results = await db.query(
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table,
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where:
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'($columnUploadedFileID IS NULL OR $columnUploadedFileID IS -1) AND $columnDeviceFolder IN ($inParam)',
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orderBy: '$columnCreationTime DESC',
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groupBy: columnLocalID,
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);
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return _convertToFiles(results);
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}
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Future<List<File>> getAllLocalFiles() async {
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final db = await instance.database;
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final results = await db.query(
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table,
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where:
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'($columnUploadedFileID IS NULL OR $columnUploadedFileID IS -1) AND $columnLocalID IS NOT NULL',
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orderBy: '$columnCreationTime DESC',
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groupBy: columnLocalID,
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);
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return _convertToFiles(results);
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}
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Future<List<File>> getEditedRemoteFiles() async {
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final db = await instance.database;
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final results = await db.query(
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table,
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where:
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'($columnCollectionID IS NOT NULL AND $columnCollectionID IS NOT -1) AND ($columnUploadedFileID IS NULL OR $columnUploadedFileID IS -1)',
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orderBy: '$columnCreationTime DESC',
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groupBy: columnLocalID,
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);
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return _convertToFiles(results);
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}
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Future<List<int>> getUploadedFileIDsToBeUpdated() async {
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final db = await instance.database;
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final rows = await db.query(
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table,
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columns: [columnUploadedFileID],
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where:
|
|
'($columnLocalID IS NOT NULL AND ($columnUploadedFileID IS NOT NULL AND $columnUploadedFileID IS NOT -1) AND $columnUpdationTime IS NULL)',
|
|
orderBy: '$columnCreationTime DESC',
|
|
distinct: true,
|
|
);
|
|
final uploadedFileIDs = <int>[];
|
|
for (final row in rows) {
|
|
uploadedFileIDs.add(row[columnUploadedFileID]);
|
|
}
|
|
return uploadedFileIDs;
|
|
}
|
|
|
|
Future<File> getUploadedFileInAnyCollection(int uploadedFileID) async {
|
|
final db = await instance.database;
|
|
final results = await db.query(
|
|
table,
|
|
where: '$columnUploadedFileID = ?',
|
|
whereArgs: [
|
|
uploadedFileID,
|
|
],
|
|
limit: 1,
|
|
);
|
|
if (results.isEmpty) {
|
|
return null;
|
|
}
|
|
return _convertToFiles(results)[0];
|
|
}
|
|
|
|
Future<Set<String>> getExistingLocalFileIDs() async {
|
|
final db = await instance.database;
|
|
final rows = await db.query(
|
|
table,
|
|
columns: [columnLocalID],
|
|
distinct: true,
|
|
where: '$columnLocalID IS NOT NULL',
|
|
);
|
|
final result = <String>{};
|
|
for (final row in rows) {
|
|
result.add(row[columnLocalID]);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Future<int> getNumberOfUploadedFiles() async {
|
|
final db = await instance.database;
|
|
final rows = await db.query(
|
|
table,
|
|
columns: [columnUploadedFileID],
|
|
where:
|
|
'($columnLocalID IS NOT NULL AND ($columnUploadedFileID IS NOT NULL AND $columnUploadedFileID IS NOT -1) AND $columnUpdationTime IS NOT NULL)',
|
|
distinct: true,
|
|
);
|
|
return rows.length;
|
|
}
|
|
|
|
Future<int> updateUploadedFile(
|
|
String localID,
|
|
String title,
|
|
Location location,
|
|
int creationTime,
|
|
int modificationTime,
|
|
int updationTime,
|
|
) async {
|
|
final db = await instance.database;
|
|
return await db.update(
|
|
table,
|
|
{
|
|
columnTitle: title,
|
|
columnLatitude: location.latitude,
|
|
columnLongitude: location.longitude,
|
|
columnCreationTime: creationTime,
|
|
columnModificationTime: modificationTime,
|
|
columnUpdationTime: updationTime,
|
|
},
|
|
where: '$columnLocalID = ?',
|
|
whereArgs: [localID],
|
|
);
|
|
}
|
|
|
|
Future<List<File>> getMatchingFiles(
|
|
String title,
|
|
String deviceFolder,
|
|
) async {
|
|
final db = await instance.database;
|
|
final rows = await db.query(
|
|
table,
|
|
where: '''$columnTitle=? AND $columnDeviceFolder=?''',
|
|
whereArgs: [
|
|
title,
|
|
deviceFolder,
|
|
],
|
|
);
|
|
if (rows.isNotEmpty) {
|
|
return _convertToFiles(rows);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
Future<int> update(File file) async {
|
|
final db = await instance.database;
|
|
return await db.update(
|
|
table,
|
|
_getRowForFile(file),
|
|
where: '$columnGeneratedID = ?',
|
|
whereArgs: [file.generatedID],
|
|
);
|
|
}
|
|
|
|
Future<int> updateUploadedFileAcrossCollections(File file) async {
|
|
final db = await instance.database;
|
|
return await db.update(
|
|
table,
|
|
_getRowForFileWithoutCollection(file),
|
|
where: '$columnUploadedFileID = ?',
|
|
whereArgs: [file.uploadedFileID],
|
|
);
|
|
}
|
|
|
|
Future<int> delete(int uploadedFileID) async {
|
|
final db = await instance.database;
|
|
return db.delete(
|
|
table,
|
|
where: '$columnUploadedFileID =?',
|
|
whereArgs: [uploadedFileID],
|
|
);
|
|
}
|
|
|
|
Future<int> deleteMultipleUploadedFiles(List<int> uploadedFileIDs) async {
|
|
final db = await instance.database;
|
|
return await db.delete(
|
|
table,
|
|
where: '$columnUploadedFileID IN (${uploadedFileIDs.join(', ')})',
|
|
);
|
|
}
|
|
|
|
Future<int> deleteLocalFile(File file) async {
|
|
final db = await instance.database;
|
|
if (file.localID != null) {
|
|
// delete all files with same local ID
|
|
return db.delete(
|
|
table,
|
|
where: '$columnLocalID =?',
|
|
whereArgs: [file.localID],
|
|
);
|
|
} else {
|
|
return db.delete(
|
|
table,
|
|
where: '$columnGeneratedID =?',
|
|
whereArgs: [file.generatedID],
|
|
);
|
|
}
|
|
}
|
|
|
|
Future<void> deleteLocalFiles(List<String> localIDs) async {
|
|
String inParam = "";
|
|
for (final localID in localIDs) {
|
|
inParam += "'" + localID + "',";
|
|
}
|
|
inParam = inParam.substring(0, inParam.length - 1);
|
|
final db = await instance.database;
|
|
await db.rawQuery('''
|
|
UPDATE $table
|
|
SET $columnLocalID = NULL
|
|
WHERE $columnLocalID IN ($inParam);
|
|
''');
|
|
}
|
|
|
|
Future<List<File>> getLocalFiles(List<String> localIDs) async {
|
|
String inParam = "";
|
|
for (final localID in localIDs) {
|
|
inParam += "'" + localID + "',";
|
|
}
|
|
inParam = inParam.substring(0, inParam.length - 1);
|
|
final db = await instance.database;
|
|
final results = await db.query(
|
|
table,
|
|
where: '$columnLocalID IN ($inParam)',
|
|
);
|
|
return _convertToFiles(results);
|
|
}
|
|
|
|
Future<int> deleteFromCollection(int uploadedFileID, int collectionID) async {
|
|
final db = await instance.database;
|
|
return db.delete(
|
|
table,
|
|
where: '$columnUploadedFileID = ? AND $columnCollectionID = ?',
|
|
whereArgs: [uploadedFileID, collectionID],
|
|
);
|
|
}
|
|
|
|
Future<int> deleteCollection(int collectionID) async {
|
|
final db = await instance.database;
|
|
return db.delete(
|
|
table,
|
|
where: '$columnCollectionID = ?',
|
|
whereArgs: [collectionID],
|
|
);
|
|
}
|
|
|
|
Future<int> removeFromCollection(int collectionID, List<int> fileIDs) async {
|
|
final db = await instance.database;
|
|
return db.delete(
|
|
table,
|
|
where:
|
|
'$columnCollectionID =? AND $columnUploadedFileID IN (${fileIDs.join(', ')})',
|
|
whereArgs: [collectionID],
|
|
);
|
|
}
|
|
|
|
Future<List<File>> getLatestLocalFiles() async {
|
|
final db = await instance.database;
|
|
final rows = await db.rawQuery('''
|
|
SELECT $table.*
|
|
FROM $table
|
|
INNER JOIN
|
|
(
|
|
SELECT $columnDeviceFolder, MAX($columnCreationTime) AS max_creation_time
|
|
FROM $table
|
|
WHERE $table.$columnLocalID IS NOT NULL
|
|
GROUP BY $columnDeviceFolder
|
|
) latest_files
|
|
ON $table.$columnDeviceFolder = latest_files.$columnDeviceFolder
|
|
AND $table.$columnCreationTime = latest_files.max_creation_time;
|
|
''');
|
|
final files = _convertToFiles(rows);
|
|
// TODO: Do this de-duplication within the SQL Query
|
|
final folderMap = <String, File>{};
|
|
for (final file in files) {
|
|
if (folderMap.containsKey(file.deviceFolder)) {
|
|
if (folderMap[file.deviceFolder].updationTime < file.updationTime) {
|
|
continue;
|
|
}
|
|
}
|
|
folderMap[file.deviceFolder] = file;
|
|
}
|
|
return folderMap.values.toList();
|
|
}
|
|
|
|
Future<List<File>> getLatestCollectionFiles() async {
|
|
final db = await instance.database;
|
|
final rows = await db.rawQuery('''
|
|
SELECT $table.*
|
|
FROM $table
|
|
INNER JOIN
|
|
(
|
|
SELECT $columnCollectionID, MAX($columnCreationTime) AS max_creation_time
|
|
FROM $table
|
|
WHERE ($columnCollectionID IS NOT NULL AND $columnCollectionID IS NOT -1)
|
|
GROUP BY $columnCollectionID
|
|
) latest_files
|
|
ON $table.$columnCollectionID = latest_files.$columnCollectionID
|
|
AND $table.$columnCreationTime = latest_files.max_creation_time;
|
|
''');
|
|
final files = _convertToFiles(rows);
|
|
// TODO: Do this de-duplication within the SQL Query
|
|
final collectionMap = <int, File>{};
|
|
for (final file in files) {
|
|
if (collectionMap.containsKey(file.collectionID)) {
|
|
if (collectionMap[file.collectionID].updationTime < file.updationTime) {
|
|
continue;
|
|
}
|
|
}
|
|
collectionMap[file.collectionID] = file;
|
|
}
|
|
return collectionMap.values.toList();
|
|
}
|
|
|
|
Future<File> getLastModifiedFileInCollection(int collectionID) async {
|
|
final db = await instance.database;
|
|
final rows = await db.query(
|
|
table,
|
|
where: '$columnCollectionID = ?',
|
|
whereArgs: [collectionID],
|
|
orderBy: '$columnUpdationTime DESC',
|
|
limit: 1,
|
|
);
|
|
if (rows.isNotEmpty) {
|
|
return _getFileFromRow(rows[0]);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
Future<Map<String, int>> getFileCountInDeviceFolders() async {
|
|
final db = await instance.database;
|
|
final rows = await db.rawQuery('''
|
|
SELECT COUNT($columnGeneratedID) as count, $columnDeviceFolder
|
|
FROM $table
|
|
WHERE $columnLocalID IS NOT NULL
|
|
GROUP BY $columnDeviceFolder
|
|
''');
|
|
final result = <String, int>{};
|
|
for (final row in rows) {
|
|
result[row[columnDeviceFolder]] = row["count"];
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Future<bool> doesFileExistInCollection(
|
|
int uploadedFileID, int collectionID) async {
|
|
final db = await instance.database;
|
|
final rows = await db.query(
|
|
table,
|
|
where: '$columnUploadedFileID = ? AND $columnCollectionID = ?',
|
|
whereArgs: [uploadedFileID, collectionID],
|
|
limit: 1,
|
|
);
|
|
return rows.isNotEmpty;
|
|
}
|
|
|
|
Future<Map<int, File>> getFilesFromIDs(List<int> ids) async {
|
|
String inParam = "";
|
|
for (final id in ids) {
|
|
inParam += "'" + id.toString() + "',";
|
|
}
|
|
inParam = inParam.substring(0, inParam.length - 1);
|
|
final db = await instance.database;
|
|
final results = await db.query(
|
|
table,
|
|
where: '$columnUploadedFileID IN ($inParam)',
|
|
);
|
|
final files = _convertToFiles(results);
|
|
final result = <int, File>{};
|
|
for (final file in files) {
|
|
result[file.uploadedFileID] = file;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
List<File> _convertToFiles(List<Map<String, dynamic>> results) {
|
|
final List<File> files = [];
|
|
for (final result in results) {
|
|
files.add(_getFileFromRow(result));
|
|
}
|
|
return files;
|
|
}
|
|
|
|
Map<String, dynamic> _getRowForFile(File file) {
|
|
final row = <String, dynamic>{};
|
|
if (file.generatedID != null) {
|
|
row[columnGeneratedID] = file.generatedID;
|
|
}
|
|
row[columnLocalID] = file.localID;
|
|
row[columnUploadedFileID] = file.uploadedFileID ?? -1;
|
|
row[columnOwnerID] = file.ownerID;
|
|
row[columnCollectionID] = file.collectionID ?? -1;
|
|
row[columnTitle] = file.title;
|
|
row[columnDeviceFolder] = file.deviceFolder;
|
|
if (file.location != null) {
|
|
row[columnLatitude] = file.location.latitude;
|
|
row[columnLongitude] = file.location.longitude;
|
|
}
|
|
row[columnFileType] = getInt(file.fileType);
|
|
row[columnCreationTime] = file.creationTime;
|
|
row[columnModificationTime] = file.modificationTime;
|
|
row[columnUpdationTime] = file.updationTime;
|
|
row[columnEncryptedKey] = file.encryptedKey;
|
|
row[columnKeyDecryptionNonce] = file.keyDecryptionNonce;
|
|
row[columnFileDecryptionHeader] = file.fileDecryptionHeader;
|
|
row[columnThumbnailDecryptionHeader] = file.thumbnailDecryptionHeader;
|
|
row[columnMetadataDecryptionHeader] = file.metadataDecryptionHeader;
|
|
row[columnFileSubType] = file.fileSubType ?? -1;
|
|
row[columnDuration] = file.duration ?? 0;
|
|
row[columnExif] = file.exif;
|
|
row[columnHash] = file.hash;
|
|
row[columnMetadataVersion] = file.metadataVersion;
|
|
return row;
|
|
}
|
|
|
|
Map<String, dynamic> _getRowForFileWithoutCollection(File file) {
|
|
final row = <String, dynamic>{};
|
|
row[columnLocalID] = file.localID;
|
|
row[columnUploadedFileID] = file.uploadedFileID ?? -1;
|
|
row[columnOwnerID] = file.ownerID;
|
|
row[columnTitle] = file.title;
|
|
row[columnDeviceFolder] = file.deviceFolder;
|
|
if (file.location != null) {
|
|
row[columnLatitude] = file.location.latitude;
|
|
row[columnLongitude] = file.location.longitude;
|
|
}
|
|
row[columnFileType] = getInt(file.fileType);
|
|
row[columnCreationTime] = file.creationTime;
|
|
row[columnModificationTime] = file.modificationTime;
|
|
row[columnUpdationTime] = file.updationTime;
|
|
row[columnFileDecryptionHeader] = file.fileDecryptionHeader;
|
|
row[columnThumbnailDecryptionHeader] = file.thumbnailDecryptionHeader;
|
|
row[columnMetadataDecryptionHeader] = file.metadataDecryptionHeader;
|
|
row[columnFileSubType] = file.fileSubType ?? -1;
|
|
row[columnDuration] = file.duration ?? 0;
|
|
row[columnExif] = file.exif;
|
|
row[columnHash] = file.hash;
|
|
row[columnMetadataVersion] = file.metadataVersion;
|
|
return row;
|
|
}
|
|
|
|
File _getFileFromRow(Map<String, dynamic> row) {
|
|
final file = File();
|
|
file.generatedID = row[columnGeneratedID];
|
|
file.localID = row[columnLocalID];
|
|
file.uploadedFileID =
|
|
row[columnUploadedFileID] == -1 ? null : row[columnUploadedFileID];
|
|
file.ownerID = row[columnOwnerID];
|
|
file.collectionID =
|
|
row[columnCollectionID] == -1 ? null : row[columnCollectionID];
|
|
file.title = row[columnTitle];
|
|
file.deviceFolder = row[columnDeviceFolder];
|
|
if (row[columnLatitude] != null && row[columnLongitude] != null) {
|
|
file.location = Location(row[columnLatitude], row[columnLongitude]);
|
|
}
|
|
file.fileType = getFileType(row[columnFileType]);
|
|
file.creationTime = row[columnCreationTime];
|
|
file.modificationTime = row[columnModificationTime];
|
|
file.updationTime = row[columnUpdationTime] ?? -1;
|
|
file.encryptedKey = row[columnEncryptedKey];
|
|
file.keyDecryptionNonce = row[columnKeyDecryptionNonce];
|
|
file.fileDecryptionHeader = row[columnFileDecryptionHeader];
|
|
file.thumbnailDecryptionHeader = row[columnThumbnailDecryptionHeader];
|
|
file.metadataDecryptionHeader = row[columnMetadataDecryptionHeader];
|
|
file.fileSubType = row[columnFileSubType] ?? -1;
|
|
file.duration = row[columnDuration] ?? 0;
|
|
file.exif = row[columnExif];
|
|
file.hash = row[columnHash];
|
|
file.metadataVersion = row[columnMetadataVersion] ?? 0;
|
|
return file;
|
|
}
|
|
}
|