channel and message lists

flutter/lib/api/api_client.dart

@@ -1,8 +1,23 @@
 import 'dart:convert';
 
 import 'package:http/http.dart' as http;
+import 'package:simplecloudnotifier/models/key_token_auth.dart';
 import 'package:simplecloudnotifier/models/user.dart';
 
+import '../models/channel.dart';
+import '../models/message.dart';
+
+enum ChannelSelector {
+  owned(apiKey: 'owned'), // Return all channels of the user
+  subscribedAny(apiKey: 'subscribed_any'), // Return all channels that the user is subscribing to
+  allAny(apiKey: 'all_any'), // Return channels that the user owns or is subscribing
+  subscribed(apiKey: 'subscribed'), // Return all channels that the user is subscribing to (even unconfirmed)
+  all(apiKey: 'all'); // Return channels that the user owns or is subscribing (even unconfirmed)
+
+  const ChannelSelector({required this.apiKey});
+  final String apiKey;
+}
+
 class APIClient {
   static const String _base = 'https://simplecloudnotifier.de/api/v2';
 
@@ -23,4 +38,41 @@ class APIClient {
 
     return User.fromJson(jsonDecode(response.body));
   }
+
+  static getChannelList(KeyTokenAuth auth, ChannelSelector sel) async {
+    var url = '$_base/users/${auth.userId}/channels?selector=${sel.apiKey}';
+    final uri = Uri.parse(url);
+
+    final response = await http.get(uri, headers: {'Authorization': 'SCN ${auth.token}'});
+
+    if (response.statusCode != 200) {
+      throw Exception('API request failed');
+    }
+
+    final data = jsonDecode(response.body);
+
+    return data['channels'].map<ChannelWithSubscription>((e) => ChannelWithSubscription.fromJson(e)).toList();
+  }
+
+  static getMessageList(KeyTokenAuth auth, String pageToken, int? pageSize) async {
+    var url = '$_base/messages?next_page_token=$pageToken';
+    if (pageSize != null) {
+      url += '&page_size=$pageSize';
+    }
+    final uri = Uri.parse(url);
+
+    final response = await http.get(uri, headers: {'Authorization': 'SCN ${auth.token}'});
+
+    if (response.statusCode != 200) {
+      throw Exception('API request failed');
+    }
+
+    final data = jsonDecode(response.body);
+
+    final npt = data['next_page_token'] as String;
+
+    final messages = data['messages'].map<Message>((e) => Message.fromJson(e)).toList();
+
+    return [npt, messages];
+  }
 }