tsacdop-podcast-app-android/lib/class/sqflite_localpodcast.dart

406 lines
14 KiB
Dart

import 'package:sqflite/sqflite.dart';
import 'dart:async';
import 'dart:io' as io;
import 'package:path/path.dart';
import 'package:intl/intl.dart';
import 'package:flutter_downloader/flutter_downloader.dart';
import 'package:path_provider/path_provider.dart';
import 'podcastlocal.dart';
import 'episodebrief.dart';
import 'package:tsacdop/webfeed/webfeed.dart';
class DBHelper {
static Database _db;
Future<Database> get database async {
if (_db != null) return _db;
_db = await initDb();
return _db;
}
initDb() async {
io.Directory documentsDirectory = await getApplicationDocumentsDirectory();
String path = join(documentsDirectory.path, "podcasts.db");
Database theDb = await openDatabase(path, version: 1, onCreate: _onCreate);
return theDb;
}
void _onCreate(Database db, int version) async {
await db.execute(
"""CREATE TABLE PodcastLocal(id INTEGER PRIMARY KEY,title TEXT,
imageUrl TEXT,rssUrl TEXT UNIQUE,primaryColor TEXT,author TEXT, description TEXT, add_date INTEGER)""");
await db
.execute("""CREATE TABLE Episodes(id INTEGER PRIMARY KEY,title TEXT,
enclosure_url TEXT UNIQUE, enclosure_length INTEGER, pubDate TEXT,
description TEXT, feed_title TEXT, feed_link TEXT, milliseconds INTEGER,
duration INTEGER DEFAULT 0, explicit INTEGER DEFAULT 0, liked INTEGER DEFAULT 0,
downloaded TEXT DEFAULT 'ND', download_date INTEGER DEFAULT 0)""");
}
Future<List<PodcastLocal>> getPodcastLocal() async {
var dbClient = await database;
List<Map> list = await dbClient.rawQuery(
'SELECT title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal ORDER BY add_date DESC');
List<PodcastLocal> podcastLocal = List();
for (int i = 0; i < list.length; i++) {
podcastLocal.add(PodcastLocal(
list[i]['title'],
list[i]['imageUrl'],
list[i]['rssUrl'],
list[i]['primaryColor'],
list[i]['author'],
));
}
print(podcastLocal.length);
return podcastLocal;
}
Future savePodcastLocal(PodcastLocal podcastLocal) async {
print('save');
int _milliseconds = DateTime.now().millisecondsSinceEpoch;
var dbClient = await database;
await dbClient.transaction((txn) async {
return await txn.rawInsert(
"""INSERT OR IGNORE INTO PodcastLocal (title, imageUrl, rssUrl,
primaryColor, author, description, add_date) VALUES(?, ?, ?, ?, ?, ?, ?)""",
[
podcastLocal.title,
podcastLocal.imageUrl,
podcastLocal.rssUrl,
podcastLocal.primaryColor,
podcastLocal.author,
podcastLocal.description,
_milliseconds
]);
});
}
Future delPodcastLocal(String title) async {
print('deleted');
var dbClient = await database;
await dbClient
.rawDelete('DELETE FROM PodcastLocal WHERE title =?', [title]);
List<Map> list = await dbClient.rawQuery(
"""SELECT downloaded FROM Episodes WHERE downloaded != 'ND' AND feed_title = ?""",
[title]);
for (int i = 0; i < list.length; i++) {
if (list[i] != null)
FlutterDownloader.remove(
taskId: list[i]['downloaded'], shouldDeleteContent: true);
print('Removed all download tasks');
}
await dbClient
.rawDelete('DELETE FROM Episodes WHERE feed_title=?', [title]);
}
Future getImageUrl(String title) async {
var dbClient = await database;
List<Map> list = await dbClient
.rawQuery('SELECT imageUrl FROM PodcastLocal WHERE title = ?', [title]);
String url = list[0]['imageUrl'];
return url;
}
DateTime _parsePubDate(String pubDate) {
if (pubDate == null) return null;
DateTime date;
try {
date = DateFormat('EEE, dd MMM yyyy HH:mm:ss Z', 'en_US').parse(pubDate);
} catch (e) {
try{
print('e');
date = DateFormat('dd MMM yyyy HH:mm:ss Z', 'en_US').parse(pubDate);}
catch(e) {
print('e');
date = DateTime(0);
}
}
return date;
}
int getExplicit(bool b) {
int result;
if (b == true) {
result = 1;
return result;
} else {
result = 0;
return result;
}
}
bool isXimalaya(String input) {
RegExp ximalaya = RegExp(r"ximalaya.com");
return ximalaya.hasMatch(input);
}
Future<int> savePodcastRss(RssFeed _p) async {
String _title;
String _url;
String _description;
int _duration;
int _result = _p.items.length;
var dbClient = await database;
int _count = Sqflite.firstIntValue(await dbClient.rawQuery(
'SELECT COUNT(*) FROM Episodes WHERE feed_title = ?', [_p.title]));
print(_count);
if (_count == _result) {
_result = 0;
return _result;
} else {
for (int i = 0; i < (_result - _count); i++) {
print(_p.items[i].title);
_p.items[i].itunes.title != null
? _title = _p.items[i].itunes.title
: _title = _p.items[i].title;
_p.items[i].itunes.summary != null
? _description = _p.items[i].itunes.summary
: _description = _p.items[i].description;
isXimalaya(_p.items[i].enclosure.url)
? _url = _p.items[i].enclosure.url.split('=').last
: _url = _p.items[i].enclosure.url;
final _length = _p.items[i].enclosure.length;
final _pubDate = _p.items[i].pubDate;
final _date = _parsePubDate(_pubDate);
final _milliseconds = _date.millisecondsSinceEpoch;
(_p.items[i].itunes.duration != null )
? _duration = _p.items[i].itunes.duration.inMinutes
: _duration = 0;
final _explicit = getExplicit(_p.items[i].itunes.explicit);
if (_p.items[i].enclosure.url != null) {
await dbClient.transaction((txn) {
return txn.rawInsert(
"""INSERT OR IGNORE INTO Episodes(title, enclosure_url, enclosure_length, pubDate,
description, feed_title, milliseconds, duration, explicit) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)""",
[
_title,
_url,
_length,
_pubDate,
_description,
_p.title,
_milliseconds,
_duration,
_explicit,
]);
});
}
}
_result = 0;
return _result;
}
}
Future<List<EpisodeBrief>> getRssItem(String title) async {
var dbClient = await database;
List<EpisodeBrief> episodes = List();
List<Map> list = await dbClient
.rawQuery("""SELECT E.title, E.enclosure_url, E.enclosure_length,
E.pubDate, E.feed_title, E.duration, E.explicit, E.liked,
E.downloaded, P.imageUrl, P.primaryColor
FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
where E.feed_title = ? ORDER BY E.milliseconds DESC""", [title]);
for (int x = 0; x < list.length; x++) {
episodes.add(EpisodeBrief(
list[x]['title'],
list[x]['enclosure_url'],
list[x]['enclosure_length'],
list[x]['pubDate'],
list[x]['feed_title'],
list[x]['imageUrl'],
list[x]['primaryColor'],
list[x]['liked'],
list[x]['downloaded'],
list[x]['duration'],
list[x]['explicit']));
}
print(episodes.length);
print(title);
return episodes;
}
Future<List<EpisodeBrief>> getRssItemTop(String title) async {
var dbClient = await database;
List<EpisodeBrief> episodes = List();
List<Map> list = await dbClient.rawQuery(
"""SELECT E.title, E.enclosure_url, E.enclosure_length,
E.pubDate, E.feed_title, E.duration, E.explicit, E.liked,
E.downloaded, P.imageUrl, P.primaryColor
FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
where E.feed_title = ? ORDER BY E.milliseconds DESC LIMIT 3""",
[title]);
for (int x = 0; x < list.length; x++) {
episodes.add(EpisodeBrief(
list[x]['title'],
list[x]['enclosure_url'],
list[x]['enclosure_length'],
list[x]['pubDate'],
list[x]['feed_title'],
list[x]['imageUrl'],
list[x]['primaryColor'],
list[x]['liked'],
list[x]['downloaded'],
list[x]['duration'],
list[x]['explicit']));
}
print(episodes.length);
print(title);
return episodes;
}
Future<EpisodeBrief> getRssItemDownload(String url) async {
var dbClient = await database;
EpisodeBrief episode;
List<Map> list = await dbClient.rawQuery(
"""SELECT E.title, E.enclosure_url, E.enclosure_length,
E.pubDate, E.feed_title, E.duration, E.explicit, E.liked,
E.downloaded, P.imageUrl, P.primaryColor
FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
where E.enclosure_url = ? ORDER BY E.milliseconds DESC LIMIT 3""",
[url]);
if (list != null)
episode = EpisodeBrief(
list.first['title'],
list.first['enclosure_url'],
list.first['enclosure_length'],
list.first['pubDate'],
list.first['feed_title'],
list.first['imageUrl'],
list.first['primaryColor'],
list.first['liked'],
list.first['downloaded'],
list.first['duration'],
list.first['explicit']);
return episode;
}
Future<List<EpisodeBrief>> getRecentRssItem() async {
var dbClient = await database;
List<EpisodeBrief> episodes = List();
List<Map> list = await dbClient
.rawQuery("""SELECT E.title, E.enclosure_url, E.enclosure_length,
E.pubDate, E.feed_title, E.duration, E.explicit, E.liked,
E.downloaded, P.imageUrl, P.primaryColor
FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
ORDER BY E.milliseconds DESC LIMIT 99""");
for (int x = 0; x < list.length; x++) {
episodes.add(EpisodeBrief(
list[x]['title'],
list[x]['enclosure_url'],
list[x]['enclosure_length'],
list[x]['pubDate'],
list[x]['feed_title'],
list[x]['imageUrl'],
list[x]['primaryColor'],
list[x]['liked'],
list[x]['doanloaded'],
list[x]['duration'],
list[x]['explicit']));
}
print(episodes.length);
return episodes;
}
Future<List<EpisodeBrief>> getLikedRssItem() async {
var dbClient = await database;
List<EpisodeBrief> episodes = List();
List<Map> list = await dbClient.rawQuery(
"""SELECT E.title, E.enclosure_url, E.enclosure_length, E.pubDate,
E.feed_title, E.duration, E.explicit, E.liked, E.downloaded, P.imageUrl,
P.primaryColor FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
WHERE E.liked = 1 ORDER BY E.milliseconds DESC LIMIT 99""");
for (int x = 0; x < list.length; x++) {
episodes.add(EpisodeBrief(
list[x]['title'],
list[x]['enclosure_url'],
list[x]['enclosure_length'],
list[x]['pubDate'],
list[x]['feed_title'],
list[x]['imageUrl'],
list[x]['primaryColor'],
list[x]['liked'],
list[x]['downloaded'],
list[x]['duration'],
list[x]['explicit']));
}
print(episodes.length);
return episodes;
}
Future<int> setLiked(String title) async {
var dbClient = await database;
int count = await dbClient
.rawUpdate("UPDATE Episodes SET liked = 1 WHERE title = ?", [title]);
print('liked');
return count;
}
Future<int> setUniked(String title) async {
var dbClient = await database;
int count = await dbClient
.rawUpdate("UPDATE Episodes SET liked = 0 WHERE title = ?", [title]);
print('unliked');
return count;
}
Future<int> saveDownloaded(String url, String id) async {
var dbClient = await database;
int _milliseconds = DateTime.now().millisecondsSinceEpoch;
int count = await dbClient.rawUpdate(
"UPDATE Episodes SET downloaded = ?, download_date = ? WHERE enclosure_url = ?",
[id, _milliseconds, url]);
print('Downloaded ' + url);
return count;
}
Future<int> delDownloaded(String url) async {
var dbClient = await database;
int count = await dbClient.rawUpdate(
"UPDATE Episodes SET downloaded = 'ND' WHERE enclosure_url = ?", [url]);
print('Deleted ' + url);
return count;
}
Future<List<EpisodeBrief>> getDownloadedRssItem() async {
var dbClient = await database;
List<EpisodeBrief> episodes = List();
List<Map> list = await dbClient.rawQuery(
"""SELECT E.title, E.enclosure_url, E.enclosure_length, E.pubDate,
E.feed_title, E.duration, E.explicit, E.liked, E.downloaded, P.imageUrl,
P.primaryColor FROM Episodes E INNER JOIN PodcastLocal P ON E.feed_title = P.title
WHERE E.downloaded != 'ND' ORDER BY E.download_date DESC LIMIT 99""");
for (int x = 0; x < list.length; x++) {
episodes.add(EpisodeBrief(
list[x]['title'],
list[x]['enclosure_url'],
list[x]['enclosure_length'],
list[x]['pubDate'],
list[x]['feed_title'],
list[x]['imageUrl'],
list[x]['primaryColor'],
list[x]['liked'],
list[x]['downloaded'],
list[x]['duration'],
list[x]['explicit']));
}
print(episodes.length);
return episodes;
}
Future<String> getDescription(String title) async {
var dbClient = await database;
List<Map> list = await dbClient
.rawQuery('SELECT description FROM Episodes WHERE title = ?', [title]);
String description = list[0]['description'];
return description;
}
Future<String> getFeedDescription(String title) async {
var dbClient = await database;
List<Map> list = await dbClient.rawQuery(
'SELECT description FROM PodcastLocal WHERE title = ?', [title]);
String description = list[0]['description'];
return description;
}
}