Workplan.cs

// Copyright (c) 2023, Phoenix Contact GmbH & Co. KG
// Licensed under the Apache License, Version 2.0

using System.Collections.Generic;
using System.Runtime.Serialization;

namespace Moryx.Workplans
{
    /// <summary>
    /// Default implementation of IWorkplan
    /// </summary>
    [DataContract]
    public class Workplan : IWorkplan, IPersistentObject
    {
        /// <summary>
        /// Create a new workplan instance
        /// </summary>
        public Workplan() : this(new List<IConnector>(), new List<IWorkplanStep>())
        {
        }

        /// <summary>
        /// Private constructor used for new and restored workplans
        /// </summary>
        private Workplan(List<IConnector> connectors, List<IWorkplanStep> steps)
        {
            _connectors = connectors;
            _steps = steps;
        }

        /// <see cref="IWorkplan"/>
        public long Id { get; set; }

        ///<see cref="IWorkplan"/>
        public string Name { get; set; }

        ///<see cref="IWorkplan"/>
        public int Version { get; set; }

        ///<see cref="IWorkplan"/>
        public WorkplanState State { get; set; }

        /// <summary>
        /// Current biggest id in the workplan
        /// </summary>
        public int MaxElementId { get; set; }

        /// <summary>
        /// Editable list of connectors
        /// </summary>
        [DataMember]
        private List<IConnector> _connectors;

        /// <see cref="IWorkplan"/>
        public IEnumerable<IConnector> Connectors => _connectors;

        /// <summary>
        /// Editable list of steps
        /// </summary>
        [DataMember]
        private List<IWorkplanStep> _steps;

        /// <see cref="IWorkplan"/>
        public IEnumerable<IWorkplanStep> Steps => _steps;

        /// <summary>
        /// Add a range of connectors to the workplan
        /// </summary>
        public void Add(params IWorkplanNode[] nodes)
        {
            foreach (var node in nodes)
            {
                node.Id = ++MaxElementId;
                if (node is IConnector)
                    _connectors.Add((IConnector)node);
                else
                    _steps.Add((IWorkplanStep)node);
            }
        }
        /// <summary>
        /// Removes a node from the workplan
        /// </summary>
        public bool Remove(IWorkplanNode node)
        {
            return node is IConnector ? _connectors.Remove((IConnector)node) : _steps.Remove((IWorkplanStep)node);
        }

        /// <summary>
        /// Restore a workplan with a list of connectors and steps
        /// </summary>
        public static Workplan Restore(List<IConnector> connectors, List<IWorkplanStep> steps)
        {
            return new Workplan(connectors, steps);
        }
    }
}