/// <summary>
/// Sends e-mails to users with access to any analysis that ended 24 days prior to the current date and will be deleted after 7 days.
/// </summary>
/// <param name="numberOfDays">The number of days for which an analysis is stored in the database.</param>
/// <param name="numberOfDaysLeft">The number of days until the deletion will take place.</param>
/// <returns></returns>
private async Task AlertDelete(string scheme, HostString host, int numberOfDays = 31, int numberOfDaysLeft = 7)
{
// Get the limit date.
var limitDate = DateTime.Today - TimeSpan.FromDays(numberOfDays - numberOfDaysLeft);
// Get the networks and analyses.
var networks = _context.Networks
.Where(item => item.DateTimeCreated < limitDate);
var analyses = _context.Analyses
.Where(item => item.Status == AnalysisStatus.Stopped || item.Status == AnalysisStatus.Completed || item.Status == AnalysisStatus.Error)
.Where(item => item.DateTimeEnded < limitDate)
.Concat(networks
.Select(item => item.AnalysisNetworks)
.SelectMany(item => item)
.Select(item => item.Analysis))
.Distinct();
// Get the users.
var networkUsers = networks
.Select(item => item.NetworkUsers)
.SelectMany(item => item)
.Select(item => item.User);
var analysisUsers = analyses
.Select(item => item.AnalysisUsers)
.SelectMany(item => item)
.Select(item => item.User);
// Get the users that have access to the items.
var users = networkUsers
.Concat(analysisUsers);
// Go over each of the users.
foreach (var user in users)
{
// Send an alert delete analyses e-mail.
await _emailSender.SendAlertDeleteEmailAsync(new EmailAlertDeleteViewModel
{
Email = user.Email,
DateTime = DateTime.Today + TimeSpan.FromDays(numberOfDaysLeft),
NetworkItems = user.NetworkUsers
.Select(item => item.Network)
.Where(item => networks.Contains(item))
.Select(item => new EmailAlertDeleteViewModel.ItemModel
{
Id = item.Id,
Name = item.Name,
Url = _linkGenerator.GetUriByPage("/Content/Created/Networks/Details/Index", handler: null, values: new { id = item.Id }, scheme: scheme, host: host)
}),
AnalysisItems = user.AnalysisUsers
.Select(item => item.Analysis)
.Where(item => analyses.Contains(item))
.Select(item => new EmailAlertDeleteViewModel.ItemModel
{
Id = item.Id,
Name = item.Name,
Url = _linkGenerator.GetUriByPage("/Content/Created/Analyses/Details/Index", handler: null, values: new { id = item.Id }, scheme: scheme, host: host)
}),
ApplicationUrl = _linkGenerator.GetUriByPage("/Index", handler: null, values: null, scheme: scheme, host: host)
});
}
}