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phabricator/src/applications/conpherence/ConpherenceTransactionRenderer.php
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ConpherenceTransactionRenderer.php
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<?php
final class ConpherenceTransactionRenderer extends Phobject {
public static function renderTransactions(
PhabricatorUser $user,
ConpherenceThread $conpherence,
$marker_type = 'older') {
$transactions = $conpherence->getTransactions();
$oldest_transaction_id = 0;
$newest_transaction_id = 0;
$too_many = ConpherenceThreadQuery::TRANSACTION_LIMIT + 1;
if (count($transactions) == $too_many) {
if ($marker_type == 'olderandnewer') {
$last_transaction = end($transactions);
$first_transaction = reset($transactions);
unset($transactions[$last_transaction->getID()]);
unset($transactions[$first_transaction->getID()]);
$oldest_transaction_id = $last_transaction->getID();
$newest_transaction_id = $first_transaction->getID();
} else if ($marker_type == 'newer') {
$first_transaction = reset($transactions);
unset($transactions[$first_transaction->getID()]);
$newest_transaction_id = $first_transaction->getID();
} else if ($marker_type == 'older') {
$last_transaction = end($transactions);
unset($transactions[$last_transaction->getID()]);
$oldest_transaction = end($transactions);
$oldest_transaction_id = $oldest_transaction->getID();
}
// we need **at least** the newer marker in this mode even if
// we didn't get a full set of transactions
} else if ($marker_type == 'olderandnewer') {
$first_transaction = reset($transactions);
unset($transactions[$first_transaction->getID()]);
$newest_transaction_id = $first_transaction->getID();
}
$transactions = array_reverse($transactions);
$handles = $conpherence->getHandles();
$rendered_transactions = array();
$engine = id(new PhabricatorMarkupEngine())
->setViewer($user)
->setContextObject($conpherence);
foreach ($transactions as $key => $transaction) {
if ($transaction->shouldHide()) {
unset($transactions[$key]);
continue;
}
if ($transaction->getComment()) {
$engine->addObject(
$transaction->getComment(),
PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
}
}
$engine->process();
// we're going to insert a dummy date marker transaction for breaks
// between days. some setup required!
$previous_transaction = null;
$date_marker_transaction = id(new ConpherenceTransaction())
->setTransactionType(
ConpherenceThreadDateMarkerTransaction::TRANSACTIONTYPE)
->makeEphemeral();
$date_marker_transaction_view = id(new ConpherenceTransactionView())
->setUser($user)
->setConpherenceTransaction($date_marker_transaction)
->setConpherenceThread($conpherence)
->setHandles($handles)
->setMarkupEngine($engine);
$transaction_view_template = id(new ConpherenceTransactionView())
->setUser($user)
->setConpherenceThread($conpherence)
->setHandles($handles)
->setMarkupEngine($engine);
foreach ($transactions as $transaction) {
$collapsed = false;
if ($previous_transaction) {
$previous_day = phabricator_format_local_time(
$previous_transaction->getDateCreated(),
$user,
'Ymd');
$current_day = phabricator_format_local_time(
$transaction->getDateCreated(),
$user,
'Ymd');
// See if same user / time
$previous_author = $previous_transaction->getAuthorPHID();
$current_author = $transaction->getAuthorPHID();
$previous_time = $previous_transaction->getDateCreated();
$current_time = $transaction->getDateCreated();
$previous_type = $previous_transaction->getTransactionType();
$current_type = $transaction->getTransactionType();
if (($previous_author == $current_author) &&
($previous_type == $current_type)) {
// Group messages within the last x seconds
if (($current_time - $previous_time) < 120) {
$collapsed = true;
}
}
// date marker transaction time!
if ($previous_day != $current_day) {
$date_marker_transaction->setDateCreated(
$transaction->getDateCreated());
$date_marker_transaction->setID($previous_transaction->getID());
$rendered_transactions[] = $date_marker_transaction_view->render();
}
}
$transaction_view = id(clone $transaction_view_template)
->setConpherenceTransaction($transaction);
if ($collapsed) {
$transaction_view->addClass('conpherence-transaction-collapsed');
}
$rendered_transactions[] = $transaction_view->render();
$previous_transaction = $transaction;
}
$latest_transaction_id = $transaction->getID();
return array(
'transactions' => $rendered_transactions,
'latest_transaction' => $transaction,
'latest_transaction_id' => $latest_transaction_id,
'oldest_transaction_id' => $oldest_transaction_id,
'newest_transaction_id' => $newest_transaction_id,
);
}
public static function renderMessagePaneContent(
array $transactions,
$oldest_transaction_id,
$newest_transaction_id) {
$oldscrollbutton = '';
if ($oldest_transaction_id) {
$oldscrollbutton = javelin_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'show-older-messages',
'class' => 'conpherence-show-more-messages',
'meta' => array(
'oldest_transaction_id' => $oldest_transaction_id,
),
),
pht('Show Older Messages'));
$oldscrollbutton = javelin_tag(
'div',
array(
'sigil' => 'conpherence-transaction-view',
'meta' => array(
'id' => $oldest_transaction_id - 0.5,
),
),
$oldscrollbutton);
}
$newscrollbutton = '';
if ($newest_transaction_id) {
$newscrollbutton = javelin_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'show-newer-messages',
'class' => 'conpherence-show-more-messages',
'meta' => array(
'newest_transaction_id' => $newest_transaction_id,
),
),
pht('Show Newer Messages'));
$newscrollbutton = javelin_tag(
'div',
array(
'sigil' => 'conpherence-transaction-view',
'meta' => array(
'id' => $newest_transaction_id + 0.5,
),
),
$newscrollbutton);
}
return hsprintf(
'%s%s%s',
$oldscrollbutton,
$transactions,
$newscrollbutton);
}
}

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