private static Dictionary<string, Substance> BuildSubstanceDictionaryAndUpdateDbIfNeeded(List<LcboProduct> lcboProducts)
{
Dictionary<string, Substance> knownSubstancesDictionary = new Dictionary<string, Substance>();
IEnumerable<string> allLcboSubstanceNames = from p in lcboProducts select p.Name;
IQueryable<string> knownSubstanceNames = from s in unitOfWork.Substances.FindAll() select s.Name;
List<string> knownSubstanceNamesList = new List<string>();
// Force the query to evaluate and put the results in a list
foreach (string substanceName in knownSubstanceNames)
{
knownSubstanceNamesList.Add(substanceName);
}
Console.WriteLine(String.Format("There are {0} substances in the DB", knownSubstanceNames.Count()));
IEnumerable<string> newSubstanceNames = from s in allLcboSubstanceNames.Distinct()
where !knownSubstanceNamesList.Contains(s)
select s;
int newSubstanceCount = 0;
foreach (var substance in newSubstanceNames)
{
Substance newSubstance = new Substance() { Name = substance };
unitOfWork.Substances.Add(newSubstance);
newSubstanceCount++;
}
Console.WriteLine(String.Format("There are {0} new substances on the LCBO website", newSubstanceCount));
unitOfWork.Commit();
Console.WriteLine("Updated DB");
foreach (Substance substance in unitOfWork.Substances.FindAll())
{
knownSubstancesDictionary.Add(substance.Name, substance);
}
Console.WriteLine(String.Format("Built dictionary of {0} substances", knownSubstancesDictionary.Count));
return knownSubstancesDictionary;
}
private Dictionary<string, Substance> BuildSubstanceDictionaryAndUpdateDbIfNeeded2(List<LcboProduct> lcboProducts, StringBuilder result, IConnection signalrConnection)
{
Dictionary<string, Substance> knownSubstancesDictionary = new Dictionary<string, Substance>();
IEnumerable<string> allLcboSubstanceNames = from p in lcboProducts select p.Name;
IQueryable<string> knownSubstanceNames = from s in domainContext.Substances select s.Name;
List<string> knownSubstanceNamesList = new List<string>();
// Force the query to evaluate and put the results in a list
foreach (string substanceName in knownSubstanceNames)
{
knownSubstanceNamesList.Add(substanceName);
}
signalrConnection.Broadcast(String.Format("There are {0} substances in the DB", knownSubstanceNames.Count()));
result.AppendFormat("There are {0} substances in the DB\r\n", knownSubstanceNames.Count());
IEnumerable<string> newSubstanceNames = from s in allLcboSubstanceNames.Distinct()
where !knownSubstanceNamesList.Contains(s)
select s;
int newSubstanceCount = 0;
foreach (var substance in newSubstanceNames)
{
Substance newSubstance = new Substance() { Name = substance };
domainContext.Save(newSubstance);
newSubstanceCount++;
}
signalrConnection.Broadcast(String.Format("There are {0} new substances on the LCBO website\r\n", newSubstanceCount));
result.AppendFormat("There are {0} new substances on the LCBO website\r\n", newSubstanceCount);
domainContext.SaveChanges();
signalrConnection.Broadcast("Updated DB");
result.Append("Updated DB\r\n");
foreach (Substance substance in domainContext.Substances)
{
knownSubstancesDictionary.Add(substance.Name, substance);
}
signalrConnection.Broadcast(String.Format("Built dictionary of {0} substances", knownSubstancesDictionary.Count));
result.AppendFormat("Built dictionary of {0} substances\r\n", knownSubstancesDictionary.Count);
return knownSubstancesDictionary;
}
