public Company Create(Company company)
{
using (var session = client.StartSession())
{
session.StartTransaction();
try
{
var filter = Builders <CompaniesCounter> .Filter.Empty;
var update = new BsonDocument("$inc", new BsonDocument {
{ "counter", 1 }
});
CompaniesCounter counterObj = _companiesCounter.FindOneAndUpdate <CompaniesCounter>(filter, update);
company.Id = counterObj.Counter + 1;
_companies.InsertOne(company);
session.CommitTransaction();
}
catch (System.Exception e)
{
session.AbortTransaction();
return(null);
}
return(company);
}
}
public CompanyService(ICompaniesDatabaseSettings settings)
{
client = new MongoClient(settings.ConnectionString);
var database = client.GetDatabase(settings.DatabaseName);
_companies = database.GetCollection <Company>(settings.CompaniesCollectionName);
_companiesCounter = database.GetCollection <CompaniesCounter>(settings.CompaniesCounterCollectionName);
//IompaniesCounter counter = _companiesCounter.Find<CompaniesCounter>(Builders<CompaniesCounter>.Filter.Empty);
if (_companiesCounter.CountDocuments(Builders <CompaniesCounter> .Filter.Empty) <= 0)
{
CompaniesCounter counter = new CompaniesCounter
{
Counter = 0
};
System.Diagnostics.Debug.WriteLine("CREATE COMPANIES COUNTER");
_companiesCounter.InsertOne(counter);
}
}
