private Solution ApplyFileChanges(Solution solution, IEnumerable<FileChange> fileChanges, bool applyingChanges)
{
foreach (FileChange fileChange in fileChanges)
{
var oldDocument = fileChange.GetOldDocument();
var updatedDocument = fileChange.GetUpdatedDocument();
bool isAdditionalDoc = fileChange.IsAdditionalDocumentChange;
if (oldDocument == null)
{
// Added document to new solution.
// If unchecked, then remove this added document from new solution.
if (applyingChanges && fileChange.CheckState == __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Unchecked)
{
solution = isAdditionalDoc ?
solution.RemoveAdditionalDocument(updatedDocument.Id) :
solution.RemoveDocument(updatedDocument.Id);
}
}
else if (updatedDocument == null)
{
// Removed document from old solution.
// If unchecked, then add back this removed document to new solution.
if (applyingChanges && fileChange.CheckState == __PREVIEWCHANGESITEMCHECKSTATE.PCCS_Unchecked)
{
var oldText = oldDocument.GetTextAsync().Result.ToString();
solution = isAdditionalDoc ?
solution.AddAdditionalDocument(oldDocument.Id, oldDocument.Name, oldText, oldDocument.Folders, oldDocument.FilePath) :
solution.AddDocument(oldDocument.Id, oldDocument.Name, oldText, oldDocument.Folders, oldDocument.FilePath);
}
}
else
{
// Changed document.
solution = isAdditionalDoc ?
solution.WithAdditionalDocumentText(updatedDocument.Id, updatedDocument.GetTextAsync().Result) :
solution.WithDocumentText(updatedDocument.Id, updatedDocument.GetTextAsync().Result);
}
}
return solution;
}