global $paperTable;

$mode = $paperTable ? $paperTable->mode : "p";

PaperTable::do_header($paperTable, "paper_" . ($mode == "edit" ? "edit" : "view"), $mode);

global $Conf;

if (@$_REQUEST["ajax"]) {

Conf::msg_error($msg);

$Conf->ajaxExit(array("ok" => false));

} else {

confHeader();

$Conf->footerScript("shortcut().add()");

$msg && Conf::msg_error($msg);

Conf::$g->footer();

exit;

}

global $prow, $Conf, $Error;

$Conf->paper = $prow = PaperTable::paperRow($whyNot);

if (!$prow)

errorMsgExit(whyNotText($whyNot, "view"));

if (isset($Error["paperId"]) && $Error["paperId"] != $prow->paperId)

$Error = array();

global $Conf, $Me, $Opt, $OK, $Error, $prow;

// XXX lock tables

$ps = new PaperStatus($Me);

$saved = $ps->save_paper_json($pj);

if (!$saved && !$prow && count($qreq->_FILES))

$ps->set_error_html("paper", "<strong>Your uploaded files were ignored.</strong>");

if (!get($pj, "collaborators") && $Conf->setting("sub_collab")) {

$field = ($Conf->setting("sub_pcconf") ? "Other conflicts" : "Potential conflicts");

$ps->set_warning_html("collaborators", "Please enter the authors’ potential conflicts in the $field field. If none of the authors have potential conflicts, just enter “None”.");

}

$Error = $ps->error_fields();

if (!$saved) {

$emsg = $ps->error_html();

Conf::msg_error("There were errors in saving your paper. Please fix them and try again." . (count($emsg) ? "<ul><li>" . join("</li><li>", $emsg) . "</li></ul>" : ""));

return false;

}

// note differences in contacts

$contacts = $ocontacts = [];

foreach (get($pj, "contacts", []) as $v)

$contacts[] = strtolower(is_string($v) ? $v : $v->email);

if ($opj && get($opj, "contacts"))

foreach ($opj->contacts as $v)

$ocontacts[] = strtolower($v->email);

sort($contacts);

sort($ocontacts);

if (json_encode($contacts) !== json_encode($ocontacts))

$diffs["contacts"] = true;

// submit paper if no error so far

$_REQUEST["paperId"] = $_GET["paperId"] = $qreq->paperId = $pj->pid;

loadRows();

if ($action === "final") {

$submitkey = "timeFinalSubmitted";

$storekey = "finalPaperStorageId";

} else {

$submitkey = "timeSubmitted";

$storekey = "paperStorageId";

}

$wasSubmitted = $opj && get($opj, "submitted");

if (get($pj, "submitted") || $Conf->can_pc_see_all_submissions())

$Conf->update_papersub_setting(true);

if ($wasSubmitted != get($pj, "submitted"))

$diffs["submission"] = 1;

// confirmation message

if ($action == "final") {

$actiontext = "Updated final version of";

$template = "@submitfinalpaper";

} else if (get($pj, "submitted") && !$wasSubmitted) {

$actiontext = "Submitted";

$template = "@submitpaper";

} else if (!$opj) {

$actiontext = "Registered new";

$template = "@registerpaper";

} else {

$actiontext = "Updated";

$template = "@updatepaper";

}

// additional information

$notes = array();

if ($action == "final") {

if ($prow->$submitkey === null || $prow->$submitkey <= 0)

$notes[] = "The final version has not yet been submitted.";

$deadline = $Conf->printableTimeSetting("final_soft", "span");

if ($deadline != "N/A" && $Conf->deadlinesAfter("final_soft"))

$notes[] = "<strong>The deadline for submitting final versions was $deadline.</strong>";

else if ($deadline != "N/A")

$notes[] = "You have until $deadline to make further changes.";

} else {

if (get($pj, "submitted"))

$notes[] = "You will receive email when reviews are available.";

else if ($prow->size == 0 && !opt("noPapers"))

$notes[] = "The submission has not yet been uploaded.";

else if ($Conf->setting("sub_freeze") > 0)

$notes[] = "The submission has not yet been completed.";

else

$notes[] = "The submission is marked as not ready for review.";

$deadline = $Conf->printableTimeSetting("sub_update", "span");

if ($deadline != "N/A" && ($prow->timeSubmitted <= 0 || $Conf->setting("sub_freeze") <= 0))

$notes[] = "Further updates are allowed until $deadline.";

$deadline = $Conf->printableTimeSetting("sub_sub", "span");

if ($deadline != "N/A" && $prow->timeSubmitted <= 0)

$notes[] = "<strong>If the submission "

. ($Conf->setting("sub_freeze") > 0 ? "is not completed"

: "is not ready for review")

. " by $deadline, it will not be considered.</strong>";

}

$notes = join(" ", $notes);

$webnotes = "";

if (count($ps->error_html()))

$webnotes .= " <ul><li>" . join("</li><li>", $ps->error_html()) . "</li></ul>";

if (!count($diffs)) {

$Conf->warnMsg("There were no changes to submission #$prow->paperId. " . $notes . $webnotes);

return true;

}

// HTML confirmation

if ($prow->$submitkey > 0)

$Conf->confirmMsg($actiontext . " submission #$prow->paperId. " . $notes . $webnotes);

else

$Conf->warnMsg($actiontext . " submission #$prow->paperId. " . $notes . $webnotes);

// mail confirmation to all contact authors

if (!$Me->privChair || $qreq->doemail > 0) {

$options = array("infoNames" => 1);

if ($Me->privChair && $prow->conflictType < CONFLICT_AUTHOR)

$options["adminupdate"] = true;

if ($Me->privChair && isset($qreq->emailNote))

$options["reason"] = $qreq->emailNote;

if ($notes !== "")

$options["notes"] = preg_replace(",</?(?:span.*?|strong)>,", "", $notes) . "\n\n";

HotCRPMailer::send_contacts($template, $prow, $options);

}

// other mail confirmations

if ($action == "final" && $OK && !count($Error))

$prow->notify(WATCHTYPE_FINAL_SUBMIT, "final_submit_watch_callback", $Me);

$Me->log_activity($actiontext, $prow->paperId);

return true;