Modifs

aidedejeu_flutter/lib/database.dart

@@ -0,0 +1,74 @@
+import 'dart:io';
+
+import 'package:aidedejeu_flutter/models/items.dart';
+import 'package:flutter/services.dart';
+import 'package:path/path.dart';
+import 'package:sqflite/sqflite.dart';
+
+Database _database;
+
+Future<Database> get database async {
+  if (_database != null) return _database;
+  _database = await getDatabaseInstance();
+  return _database;
+}
+
+Future<Database> getDatabaseInstance() async {
+  var databasesPath = await getDatabasesPath();
+  var path = join(databasesPath, "library.db");
+
+  var exists = await databaseExists(path);
+  if (!exists) {
+    print("Creating new copy from asset");
+
+    try {
+      await Directory(dirname(path)).create(recursive: true);
+    } catch (_) {}
+
+    ByteData data = await rootBundle.load(join("assets", "library.db"));
+    List<int> bytes =
+    data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
+
+    await File(path).writeAsBytes(bytes, flush: true);
+  } else {
+    print("Opening existing database");
+  }
+
+  return await openDatabase(path, readOnly: true);
+}
+
+Future<Item> getItemWithId(String id) async {
+  print("getItemWithId " + id);
+  final db = await database;
+  var response = await db
+      .query("Items", where: "Id = ? OR RootId = ?", whereArgs: [id, id]);
+  if (response.isEmpty) {
+    print("Id not found");
+  }
+  return response.isNotEmpty ? itemFromMap(response.first) : null;
+}
+
+Future<Item> loadChildrenItems(Item item) async {
+  print("getChildrenItems " + item.Discriminator);
+  if (item.Discriminator.endsWith("Items")) {
+    String discriminator =
+    item.Discriminator.substring(0, item.Discriminator.length - 1);
+    String family = "";
+    if (item is MonsterItems) {
+      family = (item as MonsterItems)?.Family ?? "";
+    }
+    final db = await database;
+    var response = await db
+        .query("Items", where: "Discriminator = ? AND MonsterItem_Family = ?",
+        whereArgs: [discriminator, family],
+        orderBy: "NormalizedName");
+    if (response.isEmpty) {
+      print("Id not found");
+    }
+    item.Children = response.isNotEmpty
+        ? itemsFromMapList(response)
+        : null;
+  }
+  return item;
+}
+