private static FilterDefinition <PersonCategoryCounter> CreateFilterFromCategory(
PersonCategoryCounter personCategoryCounter, FilterDefinition <PersonCategoryCounter> filter)
{
filter = AddEqFilter(x => x.Race, personCategoryCounter.Race, filter);
filter = AddEqFilter(x => x.Sex, personCategoryCounter.Sex, filter);
filter = AddEqFilter(x => x.SchoolLevel, personCategoryCounter.SchoolLevel, filter);
return(filter);
}
private async Task <string> GetExistintIdAsync(PersonCategoryCounter personCategoryCounter)
{
var collection = MongoConnection.GetPersonCategoriesCollection();
var filter = Builders <PersonCategoryCounter> .Filter.Empty;
filter = CreateFilterFromCategory(personCategoryCounter, filter);
var result = await collection.FindAsync(filter);
return(result.FirstOrDefault()?.Id ?? GuidGenerator.GenerateGuid());
}
public async Task Save(ITransaction transaction, PersonCategoryCounter personCategoryCounter)
{
var session = ((MongoSession)transaction).Session;
var collection = MongoConnection.GetPersonCategoriesCollection();
var filter = Builders <PersonCategoryCounter> .Filter.Empty;
personCategoryCounter.Id = await GetExistintIdAsync(personCategoryCounter);
await collection.ReplaceOneAsync(
filter : CreateFilterFromCategory(personCategoryCounter, filter),
options : new ReplaceOptions {
IsUpsert = true
},
replacement : personCategoryCounter,
session : session);
}
protected static void IncrementCategoryCounters(PersonCategoryFilter filter,
PersonCategoryCounter personCategory)
{
personCategory.Count++;
IncrementNameCounters(filter, personCategory.PersonNameCounters);
}
protected static void DecrementCategoryCounters(PersonCategoryFilter filter,
PersonCategoryCounter personCategory)
{
personCategory.Count = Math.Max(personCategory.Count - 1, 0);
DecrementNameCounters(filter, personCategory.PersonNameCounters);
}