EscalatePriority

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# BEGIN LICENSE BLOCK
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 # Copyright (c) 1996-2003 Jesse Vincent <jesse@bestpractical.com>
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 =head1 NAME
 
  RT::Action::EscalatePriority
 
 =head1 DESCRIPTION
 
 EscalatePriority is a ScripAction which is NOT intended to be called per
 transaction. It's intended to be called by an RT escalation daemon.
 (The daemon is called escalator).
 
 EsclatePriority uses the following formula to change a ticket's priority:
 
    Priority = Priority +  (( FinalPriority - Priority ) / ( DueDate-Today))
 
  Unless the duedate is past, in which case priority gets bumped straight
 to final priority.
 
 In this way, priority is either increased or decreased toward the final priority
 as the ticket heads toward its due date.
 
 
 =cut
 
 
 package RT::Action::EscalatePriority;
 require RT::Action::Generic;
 
 use strict;
 use vars qw/@ISA/;
 @ISA=qw(RT::Action::Generic);
 
 #Do what we need to do and send it out.
 
 #What does this type of Action does
 
 # {{{ sub Describe
 sub Describe  {
  my $self = shift;
  return (ref $self . " will move a ticket's priority toward its final priority.");
 }
 # }}}
 
 
 # {{{ sub Prepare
 sub Prepare  {
    my $self = shift;
 
    if ($self->TicketObj->Priority() == $self->TicketObj->FinalPriority()) {
        # no update necessary.
        return 0;
    }
 
    #compute the number of days until the ticket is due
    my $due = $self->TicketObj->DueObj();
 
 
    # If we don't have a due date, adjust the priority by one
    # until we hit the final priority
    if ($due->Unix() < 1) {
      if ( $self->TicketObj->Priority > $self->TicketObj->FinalPriority ){
          $self->{'prio'} = ($self->TicketObj->Priority - 1);
          return 1;
      } elsif ( $self->TicketObj->Priority < $self->TicketObj->FinalPriority ){
           $self->{'prio'} = ($self->TicketObj->Priority + 1);
           return 1;
      }
      # otherwise the priority is at the final priority. we don't need to
      # Continue
      else {
          return 0;
      }
    }
 
    # we've got a due date. now there are other things we should do
    else {
      my $diff_in_seconds = $due->Diff(time());
      my $diff_in_days = int( $diff_in_seconds / 86400);
 
      #if we haven't hit the due date yet
      if ($diff_in_days > 0 ) {
 
          # compute the difference between the current priority and the
          # final priority
 
          my $prio_delta =
            $self->TicketObj->FinalPriority() - $self->TicketObj->Priority;
 
          my $inc_priority_by = int( $prio_delta / $diff_in_days );
 
          #set the ticket's priority to that amount
          $self->{'prio'} = $self->TicketObj->Priority + $inc_priority_by;
 
      }
      #if $days is less than 1, set priority to final_priority
      else {
          $self->{'prio'} = $self->TicketObj->FinalPriority();
      }
 
    }
    return 1;
 }
 # }}}
 
 sub Commit {
    my $self = shift;
   my ($val, $msg) = $self->TicketObj->SetPriority($self->{'prio'});
 
   unless ($val) {
      $RT::Logger->debug($self . " $msg\n");
   }
 }
 
 eval "require RT::Action::EscalatePriority_Vendor";
 die $@ if ($@ && $@ !~ qr{^Can't locate RT/Action/EscalatePriority_Vendor.pm});
 eval "require RT::Action::EscalatePriority_Local";
 die $@ if ($@ && $@ !~ qr{^Can't locate RT/Action/EscalatePriority_Local.pm});
 
 1;