OpenContacts/lib/apis/message_api.dart

import 'dart:convert';

import 'package:contacts_plus_plus/api_client.dart';
import 'package:contacts_plus_plus/models/message.dart';

class MessageApi {
  static Future<Iterable<Message>> getUserMessages(ApiClient client, {String userId = "", DateTime? fromTime,
    int maxItems = 50, bool unreadOnly = false}) async {

    final response = await client.get("/users/${client.userId}/messages"
        "?maxItems=$maxItems"
        "${fromTime == null ? "" : "&fromTime${fromTime.toLocal().toIso8601String()}"}"
        "${userId.isEmpty ? "" : "&user=$userId"}"
        "&unread=$unreadOnly"
    );
    ApiClient.checkResponse(response);
    final data = jsonDecode(response.body) as List;
    return data.map((e) => Message.fromMap(e));
  }
}