/// <summary>
/// Extension method. Return the unique value (as an entity) corresponding to the "SLAVE" grant type.
/// </summary>
/// <param name="grantTypes">Extension method parameter.</param>
/// <returns>A GrantType instance of the Slave value.</returns>
public static GrantType Slave(this DbSet <GrantType> grantTypes)
{
GrantType gtSlave = grantTypes.SingleOrDefault(gt => gt.Type == "SLAVE");
if (gtSlave == null)
{
return(null);
}
return(gtSlave);
}
/// <summary>
/// Extension method. Return the unique value (as an entity) corresponding to the "ALL" grant type.
/// </summary>
/// <param name="grantTypes">Extension method parameter.</param>
/// <returns>A GrantType instance of the Administrator value.</returns>
public static GrantType All(this DbSet <GrantType> grantTypes)
{
GrantType gtAll = grantTypes.SingleOrDefault(gt => gt.Type == "ALL");
if (gtAll == null)
{
return(null);
}
return(gtAll);
}
/// <summary>
/// Extension method. Return the unique value (as an entity) corresponding to the "MASTER" grant type.
/// </summary>
/// <param name="grantTypes">Extension method parameter.</param>
/// <returns>A GrantType instance of the Master value.</returns>
public static GrantType Master(this DbSet <GrantType> grantTypes)
{
GrantType gtMaster = grantTypes.SingleOrDefault(gt => gt.Type == "MASTER");
if (gtMaster == null)
{
return(null);
}
return(gtMaster);
}
public static GrantedAccess AddOrUpdateAccess(this DbSet <GrantedAccess> accesses, GrantedUser user,
Device device, GrantType type)
{
var access = accesses.FirstOrDefault(ga => ga.GrantedUserId == user.GrantedUserId && ga.DeviceId == device.DeviceId);
if (access == null)
{
access = new GrantedAccess
{
DeviceId = device.DeviceId,
GrantedUserId = user.GrantedUserId,
GrantTypeId = type.GrantTypeId
};
return(accesses.Add(access));
}
access.DeviceId = device.DeviceId;
access.GrantedUserId = user.GrantedUserId;
access.GrantTypeId = type.GrantTypeId;
return(access);
}
