/// <summary>
/// Check the email agains the time of day and day of week criteria
/// </summary>
/// <returns></returns>
static bool CheckEmailTODDOW(string emailAddress)
{
bool result = false;
EmailOptions option = EmailAddresses.GetEmailOptions(emailAddress);
if (null != option)
{
DateTime now = DateTime.Now;
if (option.AllTheTime)
{
result = true;
}
else
{
// First check the day of week
int day;
for (day = 0; day < 7; day++)
{
if (option.DaysOfWeek[day])
{
if (day == (int)now.DayOfWeek)
{
break;
}
}
}
if (day < 7)
{
// OK, the day was correct. Let's look at the time. Can't just compare DateTime because we never look at the date
if (now.Hour == option.StartTime.Hour)
{
// need to check minutes too
if (now.Minute >= option.StartTime.Minute)
{
result = true; // tentative
}
if (option.EndTime.Minute > now.Minute)
{
result = false; // It was greater than start, but also greater than end - unusual, but....
}
}
else if (now.Hour > option.StartTime.Hour)
{
result = true;
}
else
{
} // less than remains false
}
}
}
return(result);
}
// Here we have a list of frames (sorted in picture date/time).
// We have all the information necessary to actually send the emails, so we
// might as well do it here.
// We may have multiple email recipients. Each email recipient may want 0 to many pictures attached.
// We may have many more frames than the recipient wants. In that case we first sort out the
// interesting ones. We always start an email with the first interesting picture. From there
// the following ones may or may not be interesting. The ones with the highest priority (type Door)
// are included before others (in the limited email space). From there we prefer interesting
// pictures. If we have room we include the others..
// Note type frames list is in sorted order since it was copied from a SortedList
public override void ProcessAccumulatedFrames(List <Frame> frames)
{
// The priority and interesting list contain indexes into the frames list
List <int> priority = new List <int>(); // door events have high priority, everything else, not
List <int> interesting = new List <int>(); // frames with objects but not "priority
// The collection of area descriptions does not depend on the number of outgoing pictures.
// It depends on all the pictures. Each picture may have zero or more than, each object may
// be in a different area. Only frames with Interesting Objects have areas, and therefore descriptions
HashSet <string> descriptions = new HashSet <string>();
// First, let's get lists of priority and interesting indexes
int i = 0;
foreach (var frame in frames)
{
if (frame.Interesting != null && frame.Interesting.Count > 0)
{
foreach (var io in frame.Interesting)
{
descriptions.Add(io.Area.AOIName + ": " + io.FoundObject.Label);
if (io.Area.AOIType == AOIType.Door)
{
priority.Add(i);
break;
}
else
{
if (!priority.Contains(i)) // a frame may have interesting and priority objects, but only add it to one list
{
descriptions.Add(io.Area.AOIName + ": " + io.FoundObject.Label);
interesting.Add(i);
}
}
}
}
i++;
}
// This is out of place codewise, but....
if (priority.Count > 0)
{
// signal the camera to wait the full interval regardless of door events in following frame since we already reported a door object
frames[0].Item.CamData.LastAccumulateType = AOIType.Door;
}
else
{
frames[0].Item.CamData.LastAccumulateType = AOIType.IgnoreObjects; // respect the email interval
}
// Now, let's get the list of email addresses to send to based on time of day, day of week, normally just 1 to a small number
Dictionary <string, string> emailAddresses = new Dictionary <string, string>();
// Yes, these could be combined, but for debugging we look at them separately
// Go through the "priority"/door frames we already selected and add the related email addresses
foreach (int index in priority)
{
foreach (var ii in frames[index].Interesting)
{
foreach (var email in ii.Area.Notifications.Email)
{
emailAddresses[email] = email;
}
}
}
// Go through the "interesting "non-door" frames we already selected and add the related email addresses
foreach (int index in interesting)
{
foreach (var ii in frames[index].Interesting)
{
foreach (var email in ii.Area.Notifications.Email)
{
emailAddresses[email] = email;
}
}
}
// Now, go through all email addresses to see if we are in a period we would at least consider sending emails to
bool removedOne;
do
{
removedOne = false;
foreach (string emailAddress in emailAddresses.Values)
{
bool timeOK = CheckEmailTODDOW(emailAddress);
if (!timeOK)
{
emailAddresses.Remove(emailAddress);
removedOne = true;
break; // go through the entire list again - it may have changed (not the most efficient, but a small list so....
}
}
} while (emailAddresses.Count > 0 && removedOne);
// ok, we know that we MAY want to notify some email address, but each
// address may have a different cool down time, so we cull the list further (yes we could do it differently)
do
{
removedOne = false;
foreach (string emailAddress in emailAddresses.Values)
{
EmailOptions option = EmailAddresses.GetEmailOptions(emailAddress);
if (null != option)
{
TimeSpan span = DateTime.Now - option.CoolDown.LastSent;
if (span.TotalMinutes < option.CoolDown.CooldownTime)
{
Dbg.Write("Email address in cool down: " + emailAddress);
emailAddresses.Remove(emailAddress);
removedOne = true;
break; // go through the entire list again - it may have changed (not the most efficient, but a small list so....)
}
}
}
} while (emailAddresses.Count > 0 && removedOne);
// OK, we have FINALLY culled the list of email addreses to send to.
// Now, we need to go through email recipients and then select the frames we want to send and then
// send them.
SortedList <DateTime, Frame> outgoing = new SortedList <DateTime, Frame>();
foreach (string addr in emailAddresses.Values)
{
outgoing.Clear();
EmailOptions opt = EmailAddresses.GetEmailOptions(addr);
if (null != opt)
{
// The follwing is done the way it is done for debugging.
// TODO: Reorganize
int maxPic = opt.NumberOfImages;
if (priority.Count >= maxPic)
{
// No decisions to make, just use priority until reached the max (debugging)
for (i = 0; i < maxPic; i++)
{
outgoing.Add(frames[priority[i]].Timestamp, frames[priority[i]]);
}
}
else
{
// Here we have some decisions to make. First add priority frames
for (i = 0; i < priority.Count; i++)
{
outgoing[frames[priority[i]].Timestamp] = frames[priority[i]];
}
// In addition to the priority, add frames with "interesting" objects
for (i = 0; i < interesting.Count && outgoing.Count < maxPic; i++)
{
outgoing[frames[interesting[i]].Timestamp] = frames[interesting[i]];
}
// OK, we had some space left after the priority and interesting frames
// If there ares some frames remaining, add from the beginning of the frames.
// Note that the ones at the beginning of the frame list that aren't priority or
// interesting will be favored over the ones later in the list. This may or may not be
// good thing. That is, you may want to favor picures of people approaching the door
// over pictures of them leaving. You are more likely to get faces for one.
for (i = 0; i < frames.Count && outgoing.Count < maxPic; i++)
{
if (!(priority.Contains(i)) && !(interesting.Contains(i))) // No duplication of the ones we added6
{
outgoing.Add(frames[i].Timestamp, frames[i]);
}
}
} // end else
} // end we do have an option (which we should)
// We copy off the list of files and the list of descriptions because we are
// going to clear these lists for the next email address
string[] theFiles = new string[outgoing.Count]; // also, we may be resizing the images
int count = 0;
foreach (Frame frame in outgoing.Values)
{
theFiles[count] = frame.Item.PendingFile;
++count;
}
string[] theDescriptions = new string[outgoing.Count];
descriptions.CopyTo(theDescriptions);
// OK, here we have collected all the frames for this email address.
// It is time to resize the pictures if necessary. Resizing is based on the email
// address since photos going to a phone should be smaller than those going to a PC, etc.
count = 0;
foreach (string file in theFiles)
{
if (opt.SizeDownToPercent != 100)
{
theFiles[count] = ResizeImage(theFiles[count], opt.SizeDownToPercent);
++count;
}
}
// theFiles has both resized and not resized files
Task.Run(() => SendEmail(addr, theFiles, theDescriptions));
}
}