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<?php namespace HashOver;
// Copyright (C) 2018 Jacob Barkdull
// This file is part of HashOver.
//
// HashOver is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// HashOver is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with HashOver. If not, see <http://www.gnu.org/licenses/>.
class Metadata
{
public $setup;
public $thread;
public $data;
public function __construct (Setup $setup, Thread $thread)
{
$this->setup = $setup;
$this->thread = $thread;
$this->data = $thread->data;
}
protected function prependLatestComments ($file, $global = false)
{
// Add thread to file if metadata is global
if ($global === true) {
$file = $this->setup->threadName . '/' . $file;
}
// Initial latest comments metadata array
$latest = array ($file);
// Attempt to read existing latest comments metadata
$metadata = $this->data->readMeta ('latest-comments', 'auto', $global);
// Check if latest comments metadata read successfully
if ($metadata !== false) {
// If so, merge existing comments with initial array
$latest = array_merge ($latest, $metadata);
}
// Maximum number of latest comments to store
$latest_max = max (10, $this->setup->latestMax);
// Limit latest comments metadata array to configurable size
$latest = array_slice ($latest, 0, $latest_max);
// Attempt to save latest comments metadata
$this->data->saveMeta ('latest-comments', $latest, 'auto', $global);
}
protected function spliceLatestComments ($file, $global = false)
{
// Add thread to file if metadata is global
if ($global === true) {
$file = $this->setup->threadName . '/' . $file;
}
// Attempt to read existing latest comments metadata
$latest = $this->data->readMeta ('latest-comments', 'auto', $global);
// Check if latest comments metadata read successfully
if ($latest !== false) {
$index = array_search ($file, $latest);
// Check if the comment is in the latest array
if ($index !== false) {
// If so, remove it from the array
array_splice ($latest, $index, 1);
}
// Attempt to save latest comments metadata
$this->data->saveMeta ('latest-comments', $latest, 'auto', $global);
}
}
public function addLatestComment ($file)
{
// Add comment to thread-specific latest comments metadata
$this->prependLatestComments ($file);
// Add comment to global latest comments metadata
$this->prependLatestComments ($file, true);
}
public function removeFromLatest ($file)
{
// Add comment to thread-specific latest comments metadata
$this->spliceLatestComments ($file);
// Add comment to global latest comments metadata
$this->spliceLatestComments ($file, true);
}
}
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