/// <summary>
/// Merge old and new species facts to same list.
/// </summary>
/// <param name="speciesFacts">New species facts.</param>
private void MergeSpeciesFacts(SpeciesFactList speciesFacts)
{
if (speciesFacts.IsEmpty())
{
return;
}
if (SpeciesFacts.IsEmpty())
{
SpeciesFacts = speciesFacts;
return;
}
foreach (ISpeciesFact speciesFact in speciesFacts)
{
if (!SpeciesFacts.Exists(speciesFact.Identifier))
{
// Add new species fact to old species facts.
SpeciesFacts.Add(speciesFact);
}
}
}
/// <summary>
/// Update values for species facts.
/// This method updates information in data source but it
/// does not update the species fact objects in the client.
/// </summary>
/// <param name="userContext">
/// Information about the user that makes this method call.
/// </param>
/// <param name="speciesFacts">Species facts to set.</param>
/// <param name="defaultReference">Reference used if no reference is specified.</param>
public virtual void UpdateSpeciesFacts(IUserContext userContext,
SpeciesFactList speciesFacts,
IReference defaultReference)
{
SpeciesFactList changedSpeciesFacts, createSpeciesFacts, deleteSpeciesFacts, updateSpeciesFacts;
// Check arguments.
speciesFacts.CheckNotNull("speciesFact");
// Get all species facts that should be updated.
changedSpeciesFacts = new SpeciesFactList();
foreach (ISpeciesFact speciesFact in speciesFacts)
{
if (speciesFact.AllowUpdate && speciesFact.HasChanged)
{
changedSpeciesFacts.Add(speciesFact);
}
}
if (changedSpeciesFacts.IsEmpty())
{
// Nothing to update.
return;
}
// Split species facts that should be created, updated
// or deleted into three different lists.
createSpeciesFacts = new SpeciesFactList();
deleteSpeciesFacts = new SpeciesFactList();
updateSpeciesFacts = new SpeciesFactList();
foreach (ISpeciesFact speciesFact in changedSpeciesFacts)
{
if (!speciesFact.HasId && speciesFact.ShouldBeSaved && !speciesFact.ShouldBeDeleted)
{
// Create new species fact.
createSpeciesFacts.Add(speciesFact);
continue;
}
if (speciesFact.HasId && speciesFact.ShouldBeDeleted)
{
// Delete species fact.
deleteSpeciesFacts.Add(speciesFact);
continue;
}
if (speciesFact.HasId && speciesFact.ShouldBeSaved && !speciesFact.ShouldBeDeleted)
{
// Update species fact.
updateSpeciesFacts.Add(speciesFact);
}
}
if (createSpeciesFacts.IsNotEmpty())
{
DataSource.CreateSpeciesFacts(userContext, createSpeciesFacts, defaultReference);
}
if (deleteSpeciesFacts.IsNotEmpty())
{
DataSource.DeleteSpeciesFacts(userContext, deleteSpeciesFacts);
}
if (updateSpeciesFacts.IsNotEmpty())
{
DataSource.UpdateSpeciesFacts(userContext, updateSpeciesFacts);
}
}