mattercontrol/MatterControlLib/Library/Providers/MatterControl/LibraryJsonFile.cs

/*
Copyright (c) 2019, John Lewin
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/

using System.IO;
using Newtonsoft.Json;

namespace MatterHackers.MatterControl.Library
{
	public static class LibraryJsonFile
	{
		internal struct LibraryDocument
		{
#pragma warning disable SA1307 // Accessible fields should begin with upper-case letter
			public string type; // values: "GitHub", "local"

			public string owner; // for type GitHub is the repository owner

			public string repository; // for the GitHub repository to look in

			public string path; // the path within the type (GitHub the sub folder, local the entire file path)
#pragma warning restore SA1310 // Field names should not contain underscore

			public ILibraryContainerLink CreateContainer(string containerName)
			{
				switch (this.type)
				{
					case "GitHub":
						return new GitHubContainer.GitHubContainerLink(containerName, this.owner, this.repository, this.path);

					case "local":
						return new FileSystemContainer.DirectoryContainerLink(this.path)
						{
							Name = containerName
						};
				}

				return null;
			}
		}

		public static ILibraryContainerLink ContainerFromLocalFile(string jsonLibraryFilename)
		{
			if (File.Exists(jsonLibraryFilename))
			{
				var content = File.ReadAllText(jsonLibraryFilename);
				return ContainerFromJson(jsonLibraryFilename, content);
			}

			return null;
		}

		public static ILibraryContainerLink ContainerFromJson(string jsonLibraryFilename, string content)
		{
			try
			{
				var libraryDocument = JsonConvert.DeserializeObject<LibraryDocument>(content);

				return libraryDocument.CreateContainer(Path.GetFileNameWithoutExtension(jsonLibraryFilename));
			}
			catch
			{
			}

			return null;
		}
	}
}