public static Project FromFile(string input, IFileSystem fileSystem)
{
var jObject = JsonConvert.DeserializeObject<Dictionary<string, JToken>>(input);
var project = new Project();
foreach (var entry in jObject)
{
var kindObj = entry.Key;
string[] list;
if (entry.Value is JArray)
list = entry.Value.ToObject<string[]>();
else
list = new[] {entry.Value.ToObject<string>()};
foreach (var item in list)
{
var info = fileSystem.GetFileInfo(PathInfo.Create(item));
if (info == null)
{
var globPattern = GlobPattern.Create(item);
if (!globPattern.IsWildcard)
throw new InvalidProjectFileException($"Could not find file {item}.");
var items = fileSystem.GetFiles(globPattern);
foreach (var file in items)
{
var fileItem = new FileProjectItem(kindObj, file, fileSystem);
ProjectItem existing;
if (!project.TryGetItemById(fileItem.Identifier, out existing))
project.AddItem(fileItem);
}
project.AddSubscription(fileSystem.Subscribe(globPattern, a =>
{
HandleChange(a, project, kindObj, fileSystem);
}));
}
else
{
AddFile(fileSystem, project, kindObj, info, item);
}
}
}
return project;
}
private static void HandleChange(FileChangeEventArgs a, Project project, string kindObj, IFileSystem fileSystem)
{
if (a.ChangeType == FileChangeType.Created)
{
var item = new FileProjectItem(kindObj, a.FileInfo, fileSystem);
if (!project.Contains(item.Identifier))
project.AddItem(item);
}
else
{
var changedItem = project.GetItems()
.OfType<FileProjectItem>()
.FirstOrDefault(f => f.FileInfo.FilePath.Equals(a.FileInfo.FilePath));
if (changedItem != null)
{
if (a.ChangeType == FileChangeType.Changed)
project.Touch(changedItem);
else if (a.ChangeType == FileChangeType.Deleted)
project.RemoveItem(changedItem);
}
}
}
