public static void SendLithologiesToDataBase(Dictionary<string,LithologicDescription> LithologyCache, List<string> acceptableColumns)
{
_ = LithologyCache ?? throw new ArgumentNullException(nameof(LithologyCache));
LithologyDBContext context = null;
try
{
context = new LithologyDBContext();
//context.Configuration.AutoDetectChangesEnabled = false;
int count = 0;
var descriptionList = LithologyCache.Values.Where(x => !string.IsNullOrEmpty(x.LithologicID));
// context.AddRange(descriptionList);
for (int i = 0; i < descriptionList.Count(); i = i + 100)
{
var entityToInsert = descriptionList.Skip(i).Take(100).ToList();
count = 100;
context = AddLithologiesToContext(context, entityToInsert, count, 100, true, acceptableColumns);
}
context.SaveChanges();
}
finally
{
if (context != null)
context.Dispose();
}
}
public static LithologyDBContext AddLithologiesToContext(LithologyDBContext context, IEnumerable<LithologicDescription> descriptions, int count, int commitCount, bool recreateContext, List<string> acceptableColumns)
{
context.AddRange(descriptions);
//Detach all child records which already have been added otherwise I get the following error
// Cannot insert explicit value for identity column in table 'Sections' when IDENTITY_INSERT is set to OFF.
foreach (var description in descriptions)
{
var acceptedDescriptionColumnValues = description.DescriptionColumnValues.Where(x => !acceptableColumns.Contains(x.ColumnName)).ToList();
//I want to ensure only certain DescriptionColumnValuePairsAre loaded
//foreach (var ColumnValuePair in acceptedDescriptionColumnValues)
// {
// context.Entry(ColumnValuePair).State = Microsoft.EntityFrameworkCore.EntityState.Unchanged;
// }
if (description.SectionInfo.ID != 0)
{
context.Entry(description.SectionInfo).State = Microsoft.EntityFrameworkCore.EntityState.Unchanged;
}
foreach (LithologicSubinterval subInterval in description.LithologicSubintervals)
{
//Detach subintervals already added (and have non-zero primary keys)
if (subInterval.ID != 0)
{
context.Entry(subInterval).State = Microsoft.EntityFrameworkCore.EntityState.Unchanged;
}
//Detach subinterval sectioninfo already added (and have non-zero primary keys)
if (subInterval.SectionInfo.ID != 0)
{
context.Entry(subInterval.SectionInfo).State = Microsoft.EntityFrameworkCore.EntityState.Unchanged;
}
}
}
if (count % commitCount == 0)
{
context.SaveChanges();
if (recreateContext)
{
context.Dispose();
context = new LithologyDBContext();
}
}
return context;
}