/// <summary>
/// Update species facts in RAM memory
/// with latest information from data source.
/// This method works on species facts both with and without id.
/// </summary>
/// <param name="userContext">
/// Information about the user that makes this method call.
/// </param>
/// <param name="speciesFacts">Species facts to update.</param>
public virtual void UpdateSpeciesFacts(IUserContext userContext,
SpeciesFactList speciesFacts)
{
SpeciesFactList speciesFactsFromDataSource,
updatedSpeciesFacts;
// Get updated data from web service.
speciesFactsFromDataSource = GetSpeciesFacts(userContext, speciesFacts);
// Update species facts.
updatedSpeciesFacts = new SpeciesFactList();
if (speciesFactsFromDataSource.IsNotEmpty())
{
foreach (ISpeciesFact speciesFactFromDataSource in speciesFactsFromDataSource)
{
// Get species fact.
ISpeciesFact speciesFact = speciesFacts.Get(speciesFactFromDataSource.Identifier);
// Update species fact.
speciesFact.Update(speciesFactFromDataSource.Id,
speciesFactFromDataSource.Reference,
speciesFactFromDataSource.ModifiedDate,
speciesFactFromDataSource.ModifiedBy,
speciesFactFromDataSource.HasField1,
speciesFactFromDataSource.HasField1 ? speciesFactFromDataSource.Field1.GetDoubleValue() : 0,
speciesFactFromDataSource.HasField2,
speciesFactFromDataSource.HasField2 ? speciesFactFromDataSource.Field2.GetDoubleValue() : 0,
speciesFactFromDataSource.HasField3,
speciesFactFromDataSource.HasField3 ? speciesFactFromDataSource.Field3.GetDoubleValue() : 0,
speciesFactFromDataSource.HasField4,
speciesFactFromDataSource.HasField4 ? speciesFactFromDataSource.Field4.GetStringValue() : null,
speciesFactFromDataSource.HasField5,
speciesFactFromDataSource.HasField5 ? speciesFactFromDataSource.Field5.GetStringValue() : null,
speciesFactFromDataSource.Quality);
updatedSpeciesFacts.Add(speciesFact);
}
}
// Update species facts that has been deleted.
foreach (ISpeciesFact speciesFact in speciesFacts)
{
if (speciesFact.HasId &&
!updatedSpeciesFacts.Exists(speciesFact.Identifier))
{
speciesFact.Reset(userContext);
}
}
}