//Use this when implement delete feature
public void DeleteContributor(int id)
{
using (var context = new ContributionDataContext(_connectionString))
{
context.ExecuteCommand("DELETE FROM Contributors WHERE Id = {0}", id); //can do with context.Delete but that requires 2 database hits
}
}
private void SetSimchaTotals(Simcha simcha)
{
using (var context = new ContributionDataContext(_connectionString))
{
simcha.Total = context.Contributions.Any(c => c.SimchaId == simcha.Id) ? context.Contributions.Where(c => c.SimchaId == simcha.Id).Select(c => c.Amount).Sum() : 0;
simcha.ContributorAmount = context.Contributions.Any(c => c.SimchaId == simcha.Id) ? context.Contributions.Count(c => c.SimchaId == simcha.Id) : 0;
}
}
public IEnumerable <Contribution> GetContributionsById(int contribId)
{
List <Contribution> contributions = new List <Contribution>();
using (var context = new ContributionDataContext(_connectionString))
{
contributions = context.Contributions.Any(c => c.ContributorId == contribId) ? context.Contributions.Where(c => c.ContributorId == contribId).ToList() : null;
}
return(contributions);
}
public decimal GetContributorBalance(int contributorId)
{
decimal contributions = 0;
decimal deposits = 0;
using (var context = new DepositDataContext(_connectionString))
{
deposits = context.Deposits.Where(d => d.ContributorId == contributorId).Select(d => d.Amount).Sum();
}
using (var context = new ContributionDataContext(_connectionString))
{
contributions = context.Contributions.Any(c => c.ContributorId == contributorId) ? context.Contributions.Where(c => c.ContributorId == contributorId).Select(c => c.Amount).Sum() : 0;
}
return(deposits - contributions);
}
public void UpdateSimchaContributions(int simchaId, List <ContributionInclusion> contributors)
{
using (var context = new ContributionDataContext(_connectionString))
{
context.ExecuteCommand("DELETE FROM Contributions WHERE SimchaId = {0}", simchaId); //can do with context.Delete but that requires 2 database hits
foreach (var c in contributors)
{
context.Contributions.InsertOnSubmit(new Contribution
{
SimchaId = simchaId,
ContributorId = c.ContributorId,
Amount = c.Amount
});
}
}
}
public decimal GetTotal()
{
//can make code prettier by using GetContributorBalance
//but that's two database hits per contributor - this is two hits total
decimal contributions = 0;
decimal deposits = 0;
using (var context = new ContributionDataContext(_connectionString))
{
contributions = context.Contributions.Any() ? context.Contributions.Select(c => c.Amount).Sum() : 0;
}
using (var context = new DepositDataContext(_connectionString))
{
deposits = context.Deposits.Select(d => d.Amount).Sum();
}
return(deposits - contributions);
}
public IEnumerable <SimchaContributor> GetSimchaContributors(int simchaId)
{
List <SimchaContributor> simchaContributors = new List <SimchaContributor>();
using (var context = new ContributionDataContext(_connectionString))
{
var allContributors = GetContributors();
var currentContributions = context.Contributions.Where(c => c.SimchaId == simchaId);
foreach (Contributor c in allContributors)
{
simchaContributors.Add(new SimchaContributor
{
FirstName = c.FirstName,
LastName = c.LastName,
AlwaysInclude = c.AlwaysInclude,
ContributorId = c.Id,
Balance = GetContributorBalance(c.Id),
Amount = currentContributions.FirstOrDefault(contribution => contribution.ContributorId == c.Id) != null ? currentContributions.FirstOrDefault(contribution => contribution.ContributorId == c.Id).Amount : 0
});
}
return(simchaContributors.AsEnumerable());
}
}
