private void UpdateAuthors(Project project)
{
if (project.Authors == null)
{
project.Authors = new List <ProjectOriginalAuthor>();
}
var dbAuthors = project.Authors.Select(x => x.OriginalAuthor).ToList();
var newAuthors =
m_importedRecord.ImportedProject.Authors.Select(x => new OriginalAuthor {
FirstName = x.FirstName, LastName = x.LastName
})
.ToList();
var comparer = new AuthorNameEqualityComparer();
var authorsToAdd = newAuthors.Except(dbAuthors, comparer).ToList();
var authorsToRemove = dbAuthors.Except(newAuthors, comparer).ToList();
if (authorsToAdd.Count == 0 && authorsToRemove.Count == 0)
{
return;
}
foreach (var author in authorsToRemove)
{
var projectAuthor = project.Authors.Single(x => x.OriginalAuthor.Id == author.Id);
m_projectRepository.Delete(projectAuthor);
}
for (var i = 0; i < newAuthors.Count; i++)
{
var newAuthor = newAuthors[i];
if (authorsToAdd.Contains(newAuthor, comparer))
{
var dbAuthor = GetOrCreateAuthor(newAuthor.FirstName, newAuthor.LastName);
var newProjectAuthor = new ProjectOriginalAuthor
{
OriginalAuthor = dbAuthor,
Project = m_projectRepository.Load <Project>(m_projectId),
Sequence = i + 1
};
m_projectRepository.Create(newProjectAuthor);
}
else
{
var projectAuthor = project.Authors.Single(x =>
x.OriginalAuthor.FirstName == newAuthor.FirstName && x.OriginalAuthor.LastName == newAuthor.LastName);
projectAuthor.Sequence = i + 1;
m_projectRepository.Update(projectAuthor);
}
}
}
public void UpdateAuthors(long projectId, BookData bookData)
{
var dbProjectAuthors = m_projectRepository.GetProjectOriginalAuthorList(projectId, true);
var dbAuthors = dbProjectAuthors.Select(x => x.OriginalAuthor).ToList();
var newAuthors = bookData.Authors?.Select(x => PersonHelper.ConvertToOriginalAuthor(x.Name)).ToList() ?? new List <OriginalAuthor>();
var comparer = new AuthorNameEqualityComparer();
var authorsToAdd = newAuthors.Except(dbAuthors, comparer).ToList();
var authorsToRemove = dbAuthors.Except(newAuthors, comparer).ToList();
if (authorsToAdd.Count == 0 && authorsToRemove.Count == 0)
{
return;
}
foreach (var author in authorsToRemove)
{
var projectAuthor = dbProjectAuthors.Single(x => x.OriginalAuthor.Id == author.Id);
m_projectRepository.Delete(projectAuthor);
}
for (int i = 0; i < newAuthors.Count; i++)
{
var newAuthor = newAuthors[i];
if (authorsToAdd.Contains(newAuthor, comparer))
{
var dbAuthor = GetOrCreateAuthor(newAuthor.FirstName, newAuthor.LastName);
var newProjectAuthor = new ProjectOriginalAuthor
{
OriginalAuthor = dbAuthor,
Project = m_projectRepository.Load <Project>(projectId),
Sequence = i + 1
};
m_projectRepository.Create(newProjectAuthor);
}
else
{
var projectAuthor = dbProjectAuthors.Single(x => x.OriginalAuthor.FirstName == newAuthor.FirstName && x.OriginalAuthor.LastName == newAuthor.LastName);
projectAuthor.Sequence = i + 1;
m_projectRepository.Update(projectAuthor);
}
}
}