private static void SendExpirationNotification(ExpirationNotifier notifier, License license, FrameworkServer server, bool sentRenewalRequest)
{
if (license.Owners.Count == 0)
{
LogError($"Unable to notify license expiration for '{server.HostName}'. No contacts specified.");
return;
}
LicenseOwner owner = license.Owners.FirstOrDefault();
try
{
MailAddress recipient = new MailAddress(owner.Contact);
string subject = string.Format(Resource.LicenseEmailSubject, license.Solution, server.HostName);
string body = sentRenewalRequest ?
string.Format(Resource.LicenseEmailBodyAuto, license.Solution, server.HostName, license.ExpirationDate.ToShortDateString(), Environment.MachineName) :
string.Format(Resource.LicenseEmailBodyManual, license.Solution, server.HostName, license.ExpirationDate.ToShortDateString(), Environment.MachineName);
notifier.SendNotification(recipient, subject, body);
}
catch (FormatException ex)
{
// Notification recipient is not a valid email address
LogDebug(ex.ToString());
}
}
/// <summary>
/// Sends notifications for all expiring licenses.
/// </summary>
/// <param name="expirationNotifier">The <see cref="ExpirationNotifier" />.</param>
public void SendExpirationNotifications(ExpirationNotifier expirationNotifier)
{
using (AssetInventoryContext context = new AssetInventoryContext(_connectionString))
{
List <License> expiringLicenses = context.Licenses.Include(n => n.Owners)
.Where(n => n.RequestSentDate == null && DbFunctions.AddDays(DateTime.Now, n.ExpirationNoticeDays) > n.ExpirationDate)
.ToList();
LogDebug($"Found {expiringLicenses.Count} expiring licenses.");
IEnumerable <Guid> serverIds = expiringLicenses.Select(n => n.FrameworkServerId).Distinct();
Dictionary <Guid, FrameworkServer> servers = context.FrameworkServers
.Where(n => serverIds.Contains(n.FrameworkServerId))
.ToDictionary(n => n.FrameworkServerId, n => n);
foreach (License license in expiringLicenses)
{
servers.TryGetValue(license.FrameworkServerId, out FrameworkServer server);
bool sentRenewalRequest = false;
if (license.SolutionVersion.Equals("latest", StringComparison.InvariantCultureIgnoreCase))
{
//If not set to "latest" the licence renewal will be done manually
SendNewLicenseRequest(license, server);
sentRenewalRequest = true;
}
SendExpirationNotification(expirationNotifier, license, server, sentRenewalRequest);
license.RequestSentDate = DateTime.Now;
context.SaveChanges();
}
LogDebug("Finished processing license notifications.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AssetInventoryService" /> class with the specified maintenance managers.
/// </summary>
/// <param name="managers">The collection of <see cref="IAssetInventoryMaintenanceManager" /> to use when running maintenance.</param>
/// <param name="expirationNotifier">The <see cref="ExpirationNotifier" />.</param>
/// <exception cref="ArgumentNullException"><paramref name="managers" /> is null.</exception>
public AssetInventoryService(IEnumerable <IAssetInventoryMaintenanceManager> managers, ExpirationNotifier expirationNotifier)
{
if (managers == null)
{
throw new ArgumentNullException(nameof(managers));
}
_expirationNotifier = expirationNotifier;
_maintenanceManagers = new List <IAssetInventoryMaintenanceManager>(managers);
_maintenanceCheckTimer = new Timer(RunMaintenance, null, _maintenanceCheckFrequency, _maintenanceCheckFrequency);
}
private static void SendExpirationNotification(ExpirationNotifier notifier, AssetReservation reservation)
{
try
{
MailAddress recipient = new MailAddress(reservation.NotificationRecipient);
string reservationText = (reservation.End < DateTime.Now ? Resource.ExpiredReservationText : Resource.ExpiringReservationText);
string subject = string.Format(reservationText, reservation.AssetId);
string body = string.Format(Resource.ReservationEmailBody, subject, reservation.End.ToString("f"));
notifier.SendNotification(recipient, subject, body);
}
catch (FormatException)
{
LogWarn($"Ignoring invalid notification recipient: {reservation.NotificationRecipient}");
}
}
/// <summary>
/// Sends notifications for all expiring and expired asset reservations.
/// </summary>
/// <param name="expirationNotifier">The <see cref="ExpirationNotifier" />.</param>
public void SendExpirationNotifications(ExpirationNotifier expirationNotifier)
{
using (AssetInventoryContext context = new AssetInventoryContext(_connectionString))
{
List <AssetReservation> reservations = context.AssetReservations.Where(n => n.End < DbFunctions.AddHours(DateTime.Now, 24)).ToList();
LogDebug($"Found {reservations.Count} expiring or expired reservations.");
foreach (AssetReservation reservation in reservations.Where(n => n.NotificationRecipient != null))
{
SendExpirationNotification(expirationNotifier, reservation);
}
LogDebug("Finished processing asset reservation notifications.");
}
}
void IAssetInventoryMaintenanceManager.SendExpirationNotifications(ExpirationNotifier expirationNotifier)
{
// Nothing to do in this class
}
/// <summary>
/// Initializes a new instance of the <see cref="AssetInventoryService" /> class with all available maintenance managers.
/// </summary>
/// <param name="connectionString">The <see cref="AssetInventoryConnectionString" />.</param>
/// <param name="expirationNotifier">The <see cref="ExpirationNotifier" />.</param>
/// <exception cref="ArgumentNullException"><paramref name="connectionString" /> is null.</exception>
public AssetInventoryService(AssetInventoryConnectionString connectionString, ExpirationNotifier expirationNotifier)
: this(GetAllManagers(connectionString), expirationNotifier)
{
}
