AutorenewNotification template with sorting and conditional subject

template.tt2

[%- USE date;
    user = target.0.usr;
    fcirc = [];
    fdata = [];
    rcirc = [];
    rdata = [];

    FOR circ IN target;
        SET idx = loop.count - 1;
        SET udata =  user_data.$idx;

        IF udata.is_renewed;
            rcirc.push(circ);
            rdata.push(udata);
        ELSE;
            fcirc.push(circ);
            fdata.push(udata);
        END;
    END;
 -%]
To: [% params.recipient_email || user.email %]
From: noreply@your-server-org
Date: [% date.format(date.now, '%a, %d %b %Y %T -0000', gmt => 1) %]
Subject: [% IF fcirc.size > 0 %]Some Items Were Not Auto-Renewed[% ELSE %]Auto-Renewal Notification[% END %]
Auto-Submitted: auto-generated

Dear [% user.pref_first_given_name || user.first_given_name %],
[% IF fcirc.size > 0 %]

The following items could NOT be renewed and remain due on the original date:

[% FOR circ IN fcirc;
    SET idx = loop.count - 1;
    SET udata =  fdata.$idx;
    SET cid = circ.target_copy.id || udata.copy;
    SET copy_details = helpers.get_copy_bib_basics(cid);
-%]
[%- msg = BLOCK -%][%- udata.reason | remove('^.*: *') -%][%- END -%]
  [% loop.count %]. [% copy_details.title %][% IF copy_details.author %] by [% copy_details.author %][% END %]
      Call number: [% circ.target_copy.call_number.label %]
      Barcode: [% circ.target_copy.barcode %]
      Could not be renewed because: [% IF msg == "" %][% udata.reason | remove(' *: *') %][% ELSE %][% msg %][% END %]
      Due: [% date.format(helpers.format_date(circ.due_date), '%A, %b %d, %Y') %]

[% END %]
[%- END %]
[% IF rcirc.size > 0 %]The following items have been renewed automatically:

[% FOR circ IN rcirc;
    SET idx = loop.count - 1;
    SET udata =  rdata.$idx;
    NEXT UNLESS udata.is_renewed;
    SET cid = circ.target_copy.id || udata.copy;
    SET copy_details = helpers.get_copy_bib_basics(cid) -%]
  [% loop.count %]. [% copy_details.title %][% IF copy_details.author %] by [% copy_details.author %][% END %]
      Call number: [% circ.target_copy.call_number.label %]
      Barcode: [% circ.target_copy.barcode %]
      Due: [% date.format(helpers.format_date(udata.new_due_date), '%A, %b %d, %Y') %]

[% END %]
[%- END %]