OMS.NET/DbClass/MapData.cs

using MySql.Data.MySqlClient;

namespace OMS.NET.DbClass
{
    public class MapData
    {
        #region base
        public long Id { get; set; }
        public string Type { get; set; }
        public string Points { get; set; }
        public string Point { get; set; }
        public string? Color { get; set; }
        public int Phase { get; set; }
        public int? Width { get; set; }
        public string? ChildRelations { get; set; }
        public string? FatherRelations { get; set; }
        public string? ChildNodes { get; set; }
        public string? FatherNode { get; set; }
        public string? Details { get; set; }
        public string? Custom { get; set; }

        public MapData()
        {
            this.Id = -1;
            this.Type = "";
            this.Points = "";
            this.Point = "";
            this.Phase = 1;
        }
        #endregion

        public static void Add(MapData mapData)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"INSERT INTO map_0_data (type, points, point, color, phase, width, child_relations, father_relations, child_nodes, father_node, details, custom) 
                      VALUES (@Type, @Points, @Point, @Color, @Phase, @Width, @ChildRelations, @FatherRelations, @ChildNodes, @FatherNode, @Details, @Custom)";
            using MySqlCommand command = new(query, connection);
            command.Parameters.AddWithValue("@Type", mapData.Type);
            command.Parameters.AddWithValue("@Points", mapData.Points);
            command.Parameters.AddWithValue("@Point", mapData.Point);
            command.Parameters.AddWithValue("@Color", mapData.Color ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Phase", mapData.Phase);
            command.Parameters.AddWithValue("@Width", mapData.Width ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@ChildRelations", mapData.ChildRelations ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@FatherRelations", mapData.FatherRelations ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@ChildNodes", mapData.ChildNodes ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@FatherNode", mapData.FatherNode ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Details", mapData.Details ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Custom", mapData.Custom ?? (object)DBNull.Value);
            command.ExecuteNonQuery();
            mapData.Id = command.LastInsertedId;
        }

        public static int Update(MapData mapData)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"UPDATE map_0_data SET type = @Type, points = @Points, point = @Point, color = @Color, phase = @Phase, width = @Width, 
                      child_relations = @ChildRelations, father_relations = @FatherRelations, child_nodes = @ChildNodes, father_node = @FatherNode, 
                      details = @Details, custom = @Custom WHERE id = @Id";
            using MySqlCommand command = new(query, connection);
            command.Parameters.AddWithValue("@Id", mapData.Id);
            command.Parameters.AddWithValue("@Type", mapData.Type);
            command.Parameters.AddWithValue("@Points", mapData.Points);
            command.Parameters.AddWithValue("@Point", mapData.Point);
            command.Parameters.AddWithValue("@Color", mapData.Color ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Phase", mapData.Phase);
            command.Parameters.AddWithValue("@Width", mapData.Width ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@ChildRelations", mapData.ChildRelations ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@FatherRelations", mapData.FatherRelations ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@ChildNodes", mapData.ChildNodes ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@FatherNode", mapData.FatherNode ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Details", mapData.Details ?? (object)DBNull.Value);
            command.Parameters.AddWithValue("@Custom", mapData.Custom ?? (object)DBNull.Value);
            return command.ExecuteNonQuery();
        }

        public static void Delete(long id)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"DELETE FROM map_0_data WHERE id = @Id";
            using MySqlCommand command = new(query, connection);
            command.Parameters.AddWithValue("@Id", id);
            command.ExecuteNonQuery();
        }

        public static MapData? Get(long id)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"SELECT id, type, points, point, color, phase, width, child_relations, father_relations, child_nodes, father_node, details, custom 
                      FROM map_0_data WHERE id = @Id";
            using MySqlCommand command = new(query, connection);
            command.Parameters.AddWithValue("@Id", id);
            using MySqlDataReader reader = command.ExecuteReader();
            if (reader.Read())
            {
                return new MapData
                {
                    Id = reader.GetInt64("id"),
                    Type = reader.GetString("type"),
                    Points = reader.GetString("points"),
                    Point = reader.GetString("point"),
                    Color = reader["color"] as string,
                    Phase = reader.GetInt32("phase"),
                    Width = reader["width"] as int?,
                    ChildRelations = reader["child_relations"] as string,
                    FatherRelations = reader["father_relations"] as string,
                    ChildNodes = reader["child_nodes"] as string,
                    FatherNode = reader["father_node"] as string,
                    Details = reader["details"] as string,
                    Custom = reader["custom"] as string
                };
            }
            return null;
        }

        public static List<MapData> GetMapDataList()
        {
            List<MapData> mapDataList = new();
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"SELECT * FROM map_0_data";
            using var command = new MySqlCommand(query, connection);
            using var reader = command.ExecuteReader();
            if (reader.HasRows)
            {
                while (reader.Read())
                {
                    var mapData = new MapData
                    {
                        Id = reader.GetInt64("id"),
                        Type = reader.GetString("type"),
                        Points = reader.GetString("points"),
                        Point = reader.GetString("point"),
                        Color = reader.IsDBNull(reader.GetOrdinal("color")) ? null : reader.GetString("color"),
                        Phase = reader.GetInt32("phase"),
                        Width = reader.IsDBNull(reader.GetOrdinal("width")) ? (int?)null : reader.GetInt32("width"),
                        ChildRelations = reader.IsDBNull(reader.GetOrdinal("child_relations")) ? null : reader.GetString("child_relations"),
                        FatherRelations = reader.IsDBNull(reader.GetOrdinal("father_relations")) ? null : reader.GetString("father_relations"),
                        ChildNodes = reader.IsDBNull(reader.GetOrdinal("child_nodes")) ? null : reader.GetString("child_nodes"),
                        FatherNode = reader.IsDBNull(reader.GetOrdinal("father_node")) ? null : reader.GetString("father_node"),
                        Details = reader.IsDBNull(reader.GetOrdinal("details")) ? null : reader.GetString("details"),
                        Custom = reader.IsDBNull(reader.GetOrdinal("custom")) ? null : reader.GetString("custom")
                    };
                    mapDataList.Add(mapData);
                }
            }

            return mapDataList;
        }
    }
}