Task 2 part 1:

1. Download API data
2. Filter invalid data
3. Convert json obj into Characters
4. Display data

assignment_1_base_project/lib/db/character.dart

@@ -8,4 +8,29 @@ class Character {
   String name;
   String gender;
   List<String> aliases;
+
+  static List<Character> listFromJson(List<dynamic> jsonList) {
+    final data = <Character>[];
+
+    for (dynamic person in jsonList) {
+      if ((person['name'].isNotEmpty) && (person['gender'].isNotEmpty) && (person['aliases'].length > 0)) {
+        // print("//// DEBUG // person['name']: ${person['name']}");
+        // print("//// DEBUG // person['gender']: ${person['gender']}");
+        // print("//// DEBUG // person['aliases'].length: ${person['aliases'].length}");
+        // print("//// DEBUG // person['aliases'].runtimeType: ${person['aliases'].runtimeType}"); // List<dynamic>
+
+        final aliases = (person["aliases"] as List).map((e) => e as String).toList();
+        // print('//// DEBUG // method 1 prints: $aliases');
+        // print('//// DEBUG // method 1 prints: ${aliases.runtimeType}'); // List<String>
+
+        data.add(Character(
+          name: person['name'],
+          gender: person['gender'],
+          aliases: aliases,
+        ));
+      }
+    }
+
+    return data;
+  }
 }

assignment_1_base_project/lib/networking/api.dart

 // The class is responsible to load the GoT characters from the GoTAPI (on https://anapioficeandfire.com/)
 import 'dart:async';
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
 
 import 'package:assignment_1_base_project/db/character.dart';
 
 class API {
   // Note: the documentation for the API can be found here: https://anapioficeandfire.com/Documentation
-  final String _charactersRoute =
-      "https://anapioficeandfire.com/api/characters";
+  final String _charactersRoute = "https://anapioficeandfire.com/api/characters";
+
+  Map<String, dynamic> extractFields(Map<String, dynamic> json) {
+    return {
+      'name': json['name'],
+      'gender': json['gender'],
+      // 'aliases': json['aliases'],
+    };
+  }
 
   // Loads the list of GoT characters
-  Future<List<Character>> fetchRemoteGoTCharacters() {
+  Future<List<Character>> fetchRemoteGoTCharacters() async {
     // TODO: Load GoT characters from the _charactersRoute and return them.
     // For the API calls we recommend to use the 'http' package
 
-    //*** Must be replaced
-    return Future.delayed(
-      Duration(seconds: 3),
-      () => [
-        Character(
-          name: "Jon Snow",
-          gender: "Male",
-          aliases: [
-            "Lord Snow",
-            "Ned Stark's Bastard",
-            "The Snow of Winterfell",
-            "The Crow-Come-Over",
-            "The 998th Lord Commander of the Night's Watch",
-            "The Bastard of Winterfell",
-            "The Black Bastard of the Wall",
-            "Lord Crow"
-          ],
-        ),
-        Character(
-          name: "Brandon Stark",
-          gender: "Male",
-          aliases: ["Bran", "Bran the Broken", "The Winged Wolf"],
-        ),
-        Character(
-          name: "Margaery Tyrell",
-          gender: "Female",
-          aliases: [
-            "The Little Queen",
-            "The Little Rose",
-            "Maid Margaery",
-          ],
-        ),
-      ],
-    );
-    //*** Replace up to here
+    List<Character> _characters = [];
+
+    try {
+      var uri = Uri.parse(_charactersRoute);
+      var response = await http.get(uri);
+      // print("//// DEBUG // response.body.runtimeType:${response.body.runtimeType}"); // String
+      // print(//// DEBUG // response.body);
+
+      if (response.statusCode == 200) {
+        final jsonList = jsonDecode(response.body);
+        // print("jsonList.runtimeType:${jsonList.runtimeType}"); // List<dynamic>
+        // print("//// DEBUG // jsonList.length:${jsonList.length}"); // 10
+
+        _characters = Character.listFromJson(jsonList);
+      } else {
+        print("Error: Fail to connect the API.( statusCode : ${response.statusCode} )");
+      }
+    } catch (e) {
+      print("Exceptions error:  ( ${e} )");
+    }
+
+    // print("//// DEBUG // _characters.length: ${_characters.length} - number of valid data");
+    // print("//// DEBUG // _characters:${_characters}");
+
+    return _characters;
   }
 }

assignment_1_base_project/pubspec.yaml

@@ -23,6 +23,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  http: ^1.0.0
 
 
   # The following adds the Cupertino Icons font to your application.