init

2021-08-30 22:38:58 +02:00
parent 9544d89993
commit 46fa86f989
152 changed files with 4074 additions and 0 deletions
--- a/filcnaplo/lib/database/init.dart
+++ b/filcnaplo/lib/database/init.dart
@@ -0,0 +1,72 @@
+import 'package:filcnaplo/database/struct.dart';
+import 'package:filcnaplo/models/settings.dart';
+import 'package:sqflite/sqflite.dart';
+
+Future<Database> initDB() async {
+  // await deleteDatabase('app.db'); // for debugging
+  var db = await openDatabase('app.db');
+
+  var settingsDB = await createSettingsTable(db);
+
+  // Create table Users
+  await db.execute("CREATE TABLE IF NOT EXISTS users (id TEXT NOT NULL, name TEXT, username TEXT, password TEXT, institute_code TEXT, student TEXT)");
+  await db.execute("CREATE TABLE IF NOT EXISTS user_data ("
+      "id TEXT NOT NULL, grades TEXT, timetable TEXT, exams TEXT, homework TEXT, messages TEXT, notes TEXT, events TEXT, absences TEXT)");
+
+  if ((await db.rawQuery("SELECT COUNT(*) FROM settings"))[0].values.first == 0) {
+    // Set default values for table Settings
+    await db.insert("settings", SettingsProvider.defaultSettings().toMap());
+  }
+
+  await migrateDB(db, settingsDB.struct.keys);
+
+  return db;
+}
+
+Future<DatabaseStruct> createSettingsTable(Database db) async {
+  var settingsDB = DatabaseStruct({
+    "language": String, "start_page": int, "rounding": int, "theme": int, "accent_color": int, "news": int, "news_state": int, "developer_mode": int,
+    "update_channel": int, "config": String, // general
+    "grade_color1": int, "grade_color2": int, "grade_color3": int, "grade_color4": int, "grade_color5": int, // grade colors
+    "vibrate": int, "vibration_strength": int, "ab_weeks": int, "swap_ab_weeks": int,
+    "notifications": int, "notifications_bitfield": int, "notification_poll_interval": int, // notifications
+  });
+
+  // Create table Settings
+  await db.execute("CREATE TABLE IF NOT EXISTS settings ($settingsDB)");
+
+  return settingsDB;
+}
+
+Future<void> migrateDB(Database db, Iterable<String> keys) async {
+  var settings = (await db.query("settings"))[0];
+
+  bool migrationRequired = keys.any((key) => !settings.containsKey(key) || settings[key] == null);
+
+  if (migrationRequired) {
+    var defaultSettings = SettingsProvider.defaultSettings();
+    var settingsCopy = Map<String, dynamic>.from(settings);
+
+    // Delete settings
+    await db.execute("drop table settings");
+
+    // Fill missing columns
+    keys.forEach((key) {
+      if (!keys.contains(key)) {
+        print("debug: dropping $key");
+        settingsCopy.remove(key);
+      }
+
+      if (!settings.containsKey(key) || settings[key] == null) {
+        print("DEBUG: migrating $key");
+        settingsCopy[key] = defaultSettings.toMap()[key];
+      }
+    });
+
+    // Recreate settings
+    await createSettingsTable(db);
+    await db.insert("settings", settingsCopy);
+
+    print("INFO: Database migrated");
+  }
+}