Envelope/mobile/lib/models/conversation_users.dart

import '/models/conversations.dart';
import '/utils/storage/database.dart';

Future<ConversationUser> getConversationUser(Conversation conversation, String userId) async {
  final db = await getDatabaseConnection();

  final List<Map<String, dynamic>> maps = await db.query(
    'conversation_users',
    where: 'conversation_id = ? AND user_id = ?',
    whereArgs: [conversation.id, userId],
  );

  if (maps.length != 1) {
    throw ArgumentError('Invalid conversation_id or username');
  }

  return ConversationUser(
    id: maps[0]['id'],
    userId: maps[0]['user_id'],
    conversationId: maps[0]['conversation_id'],
    username: maps[0]['username'],
    associationKey: maps[0]['association_key'],
    admin: maps[0]['admin'] == 1,
  );

}

// A method that retrieves all the dogs from the dogs table.
Future<List<ConversationUser>> getConversationUsers(Conversation conversation) async {
  final db = await getDatabaseConnection();

  final List<Map<String, dynamic>> maps = await db.query(
    'conversation_users',
    where: 'conversation_id = ?',
    whereArgs: [conversation.id],
    orderBy: 'admin',
  );

  return List.generate(maps.length, (i) {
    return ConversationUser(
      id: maps[i]['id'],
      userId: maps[i]['user_id'],
      conversationId: maps[i]['conversation_id'],
      username: maps[i]['username'],
      associationKey: maps[i]['association_key'],
      admin: maps[i]['admin'] == 1,
    );
  });
}

class ConversationUser{
  String id;
  String userId;
  String conversationId;
  String username;
  String associationKey;
  bool admin;
  ConversationUser({
    required this.id,
    required this.userId,
    required this.conversationId,
    required this.username,
    required this.associationKey,
    required this.admin,
  });

  factory ConversationUser.fromJson(Map<String, dynamic> json, String conversationId) {
    return ConversationUser(
      id: json['id'],
      userId: json['user_id'],
      conversationId: conversationId,
      username: json['username'],
      associationKey: json['association_key'],
      admin: json['admin'] == 'true',
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'user_id': userId,
      'username': username,
      'association_key': associationKey,
      'admin': admin ? 'true' : 'false',
    };
  }

  Map<String, dynamic> toMap() {
    return {
      'id': id,
      'user_id': userId,
      'conversation_id': conversationId,
      'username': username,
      'association_key': associationKey,
      'admin': admin ? 1 : 0,
    };
  }
}