ClassCommit.cs

using System;
using System.Collections.Generic;
using System.Linq;

namespace GitForce
{
    /// <summary>
    /// Class describing and working on one commit
    /// A commit is a set of files grouped together under one node
    /// </summary>
    [Serializable]
    public class ClassCommit
    {
        /// <summary>
        /// List of git files stored under this commit.
        /// Files have a path relative to the repo root.
        /// </summary>
        public List<string> Files = new List<string>();

        /// <summary>
        /// User description text of a commit
        /// </summary>
        public string Description;

        public string DescriptionTitle
        {
            get
            {
                if (Description == null) return null;
                var pos = Description.IndexOfAny(new[] { '\n', '\r' });
                if (pos == -1) pos = Description.Length;
                return Description.Substring(0, pos);
            }

            set
            {
                if (Description == null)
                {
                    Description = value;
                    return;
                }

                var pos = Description.IndexOfAny(new[] { '\n', '\r' });
                if (pos == -1)
                {
                    Description = value;
                }
                else
                {
                    Description = value + Description.Substring(pos);
                }
            }
        }

        /// <summary>
        /// Is this commit a default one (not a user added)
        /// Default commit cannot be deleted or renamed.
        /// </summary>
        public bool IsDefault;

        /// <summary>
        /// Is this commint node collapsed in the commits tree
        /// </summary>
        public bool IsCollapsed;

        /// <summary>
        /// Create a commit with the given description
        /// </summary>
        public ClassCommit(string desc)
        {
            Description = desc;
        }

        /// <summary>
        /// ToString override returns the commit description
        /// </summary>
        public override string ToString()
        {
            return Description;
        }

        /// <summary>
        /// Add a set of files to the commit list.
        /// Do not create any duplicates!
        /// </summary>
        public void AddFiles(List<string> newFiles)
        {
            Files = Files.Union(newFiles).ToList();
            Files.Sort();               // Keep the list sorted
        }

        /// <summary>
        /// Remove all files listed from our list of files.
        /// Any file on that list may or may not appear on this commit list.
        /// </summary>
        public void Prune(List<string> outlaws)
        {
            Files = Files.Except(outlaws).ToList();
            Files.Sort();               // Keep the list sorted
        }

        /// <summary>
        /// Renew the existing list of files by keeping only those that exist in the
        /// given list. Return the given list trimmed by files which are now "taken".
        /// </summary>
        public List<string> Renew(List<string> allFiles)
        {
            Files = Files.Intersect(allFiles).ToList();
            Files.Sort();               // Keep the list sorted
            return allFiles.Except(Files).ToList();
        }
    }
}