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Add generated ID as a column

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This commit is contained in:
Vishnu Mohandas 2020-04-18 02:07:04 +05:30
parent 30b072419f
commit d0f12ecf71
1 changed files with 7 additions and 13 deletions
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20
lib/db/db_helper.dart
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@ -1,5 +1,6 @@
import 'dart:io';
import 'package:logger/logger.dart';
import 'package:myapp/models/photo.dart';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';
@ -11,6 +12,7 @@ class DatabaseHelper {
static final table = 'photos';
static final columnGeneratedId = '_id';
static final columnUploadedFileId = 'uploaded_file_id';
static final columnLocalId = 'local_id';
static final columnLocalPath = 'local_path';
@ -46,6 +48,7 @@ class DatabaseHelper {
Future _onCreate(Database db, int version) async {
await db.execute('''
CREATE TABLE $table (
$columnGeneratedId INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
$columnLocalId TEXT,
$columnUploadedFileId INTEGER NOT NULL,
$columnLocalPath TEXT NOT NULL,
@ -102,8 +105,7 @@ class DatabaseHelper {
Future<int> updatePhoto(Photo photo) async {
Database db = await instance.database;
return await db.update(table, _getRowForPhoto(photo),
where: '$columnHash = ? AND $columnPath = ?',
whereArgs: [photo.hash, photo.localPath]);
where: '$columnGeneratedId = ?', whereArgs: [photo.generatedId]);
}
Future<Photo> getPhotoByPath(String path) async {
@ -117,27 +119,18 @@ class DatabaseHelper {
}
}
Future<bool> containsPhotoHash(String hash) async {
Database db = await instance.database;
return (await db.query(table, where: '$columnHash =?', whereArgs: [hash]))
.length >
0;
}
Future<int> markPhotoAsDeleted(Photo photo) async {
Database db = await instance.database;
var values = new Map<String, dynamic>();
values[columnIsDeleted] = 1;
return db.update(table, values,
where: '$columnHash =? AND $columnLocalPath =?',
whereArgs: [photo.hash, photo.localPath]);
where: '$columnGeneratedId =?', whereArgs: [photo.generatedId]);
}
Future<int> deletePhoto(Photo photo) async {
Database db = await instance.database;
return db.delete(table,
where: '$columnHash =? AND $columnLocalPath =?',
whereArgs: [photo.hash, photo.localPath]);
where: '$columnGeneratedId =?', whereArgs: [photo.generatedId]);
}
List<Photo> _convertToPhotos(List<Map<String, dynamic>> results) {
@ -164,6 +157,7 @@ class DatabaseHelper {
Photo _getPhotofromRow(Map<String, dynamic> row) {
Photo photo = Photo();
photo.generatedId = row[columnGeneratedId];
photo.localId = row[columnLocalId];
photo.uploadedFileId = row[columnUploadedFileId];
photo.localPath = row[columnLocalPath];