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patchtester/administrator/components/com_patchtester/PatchTester/Model/PullsModel.php

433 lines
10 KiB
PHP

<?php
/**
* Patch testing component for the Joomla! CMS
*
* @copyright Copyright (C) 2011 - 2012 Ian MacLennan, Copyright (C) 2013 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later
*/
namespace PatchTester\Model;
use Joomla\Registry\Registry;
use PatchTester\Helper;
/**
* Model class for the pulls list view
*
* @since 2.0
*/
class PullsModel extends \JModelDatabase
{
/**
* The object context
*
* @var string
* @since 2.0
*/
protected $context;
/**
* Array of fields the list can be sorted on
*
* @var array
* @since 2.0
*/
protected $sortFields = array();
/**
* Instantiate the model.
*
* @param string $context The model context.
* @param Registry $state The model state.
* @param \JDatabaseDriver $db The database adpater.
*
* @since 2.0
*/
public function __construct($context, Registry $state = null, \JDatabaseDriver $db = null)
{
parent::__construct($state, $db);
$this->context = $context;
$this->sortFields = array('a.pull_id', 'a.title', 'applied');
}
/**
* Retrieves a list of applied patches
*
* @return mixed
*
* @since 1.0
*/
public function getAppliedPatches()
{
$db = $this->getDb();
$db->setQuery(
$db->getQuery(true)
->select('*')
->from($db->quoteName('#__patchtester_tests'))
->where($db->quoteName('applied') . ' = 1')
);
return $db->loadObjectList('pull_id');
}
/**
* Method to get an array of data items.
*
* @return mixed An array of data items on success, false on failure.
*
* @since 2.0
*/
public function getItems()
{
// Get a storage key.
$store = $this->getStoreId();
// Try to load the data from internal storage.
if (isset($this->cache[$store]))
{
return $this->cache[$store];
}
// Load the list items.
$query = $this->_getListQuery();
$items = $this->_getList($query, $this->getStart(), $this->getState()->get('list.limit'));
// Add the items to the internal cache.
$this->cache[$store] = $items;
return $this->cache[$store];
}
/**
* Method to get a JDatabaseQuery object for retrieving the data set from a database.
*
* @return \JDatabaseQuery A JDatabaseQuery object to retrieve the data set.
*
* @since 2.0
*/
protected function getListQuery()
{
// Create a new query object.
$db = $this->getDb();
$query = $db->getQuery(true);
// Select the required fields from the table.
$query->select($this->getState()->get('list.select', 'a.*'));
$query->from($db->quoteName('#__patchtester_pulls', 'a'));
// Join the tests table to get applied patches
$query->select($db->quoteName('t.id', 'applied'));
$query->join('LEFT', $db->quoteName('#__patchtester_tests', 't') . ' ON t.pull_id = a.pull_id');
// Filter by search
$search = $this->getState()->get('filter.search');
if (!empty($search))
{
$search = $db->quote('%' . $db->escape($search, true) . '%');
$query->where(
'(' . $db->quoteName('a.title') . ' LIKE ' . $search . ') OR ' .
'(' . $db->quoteName('a.pull_id') . ' LIKE ' . $search . ') '
);
}
// Handle the list ordering.
$ordering = $this->getState()->get('list.ordering');
$direction = $this->getState()->get('list.direction');
if (!empty($ordering))
{
$query->order($db->escape($ordering) . ' ' . $db->escape($direction));
}
// If $ordering is by applied patches, then append sort on pull_id also
if ($ordering === 'applied')
{
$query->order('a.pull_id ' . $db->escape($direction));
}
return $query;
}
/**
* Method to get a JPagination object for the data set.
*
* @return \JPagination A JPagination object for the data set.
*
* @since 2.0
*/
public function getPagination()
{
// Get a storage key.
$store = $this->getStoreId('getPagination');
// Try to load the data from internal storage.
if (isset($this->cache[$store]))
{
return $this->cache[$store];
}
// Create the pagination object.
$limit = (int) $this->getState()->get('list.limit') - (int) $this->getState()->get('list.links');
$page = new \JPagination($this->getTotal(), $this->getStart(), $limit);
// Add the object to the internal cache.
$this->cache[$store] = $page;
return $this->cache[$store];
}
/**
* Retrieves the array of authorized sort fields
*
* @return array
*
* @since 2.0
*/
public function getSortFields()
{
return $this->sortFields;
}
/**
* Method to get a store id based on the model configuration state.
*
* This is necessary because the model is used by the component and
* different modules that might need different sets of data or different
* ordering requirements.
*
* @param string $id An identifier string to generate the store id.
*
* @return string A store id.
*
* @since 2.0
*/
protected function getStoreId($id = '')
{
// Add the list state to the store id.
$id .= ':' . $this->getState()->get('list.start');
$id .= ':' . $this->getState()->get('list.limit');
$id .= ':' . $this->getState()->get('list.ordering');
$id .= ':' . $this->getState()->get('list.direction');
return md5($this->context . ':' . $id);
}
/**
* Method to get the starting number of items for the data set.
*
* @return integer The starting number of items available in the data set.
*
* @since 2.0
*/
public function getStart()
{
$store = $this->getStoreId('getStart');
// Try to load the data from internal storage.
if (isset($this->cache[$store]))
{
return $this->cache[$store];
}
$start = $this->getState()->get('list.start');
$limit = $this->getState()->get('list.limit');
$total = $this->getTotal();
if ($start > $total - $limit)
{
$start = max(0, (int) (ceil($total / $limit) - 1) * $limit);
}
// Add the total to the internal cache.
$this->cache[$store] = $start;
return $this->cache[$store];
}
/**
* Method to get the total number of items for the data set.
*
* @return integer The total number of items available in the data set.
*
* @since 2.0
*/
public function getTotal()
{
// Get a storage key.
$store = $this->getStoreId('getTotal');
// Try to load the data from internal storage.
if (isset($this->cache[$store]))
{
return $this->cache[$store];
}
// Load the total.
$query = $this->_getListQuery();
$total = (int) $this->_getListCount($query);
// Add the total to the internal cache.
$this->cache[$store] = $total;
return $this->cache[$store];
}
/**
* Method to request new data from GitHub
*
* @return void
*
* @since 2.0
* @throws \RuntimeException
*/
public function requestFromGithub()
{
// Get the Github object
$github = Helper::initializeGithub();
// If over the API limit, we can't build this list
if ($github->authorization->getRateLimit()->rate->remaining > 0)
{
// Sanity check, ensure there aren't any applied patches
if (count($this->getAppliedPatches()) >= 1)
{
throw new \RuntimeException(\JText::_('COM_PATCHTESTER_ERROR_APPLIED_PATCHES'));
}
$pulls = array();
$page = 0;
do
{
$page++;
try
{
$items = $github->pulls->getList($this->getState()->get('github_user'), $this->getState()->get('github_repo'), 'open', $page, 100);
}
catch (\DomainException $e)
{
throw new \RuntimeException(\JText::sprintf('COM_PATCHTESTER_ERROR_GITHUB_FETCH', $e->getMessage()));
}
$count = is_array($items) ? count($items) : 0;
if ($count)
{
$pulls = array_merge($pulls, $items);
}
}
while ($count);
// Dump the old data now
$this->getDb()->truncateTable('#__patchtester_pulls');
foreach ($pulls as &$pull)
{
// Build the data object to store in the database
$data = new \stdClass;
$data->pull_id = $pull->number;
$data->title = $pull->title;
$data->description = $pull->body;
$data->pull_url = $pull->html_url;
try
{
$this->getDb()->insertObject('#__patchtester_pulls', $data, 'id');
}
catch (\RuntimeException $e)
{
throw new \RuntimeException(\JText::sprintf('COM_PATCHTESTER_ERROR_INSERT_DATABASE', $e->getMessage()));
}
}
}
else
{
throw new \RuntimeException(\JText::sprintf('COM_PATCHTESTER_API_LIMIT_LIST', \JFactory::getDate($this->rate->reset)));
}
}
/**
* Gets an array of objects from the results of database query.
*
* @param \JDatabaseQuery|string $query The query.
* @param integer $limitstart Offset.
* @param integer $limit The number of records.
*
* @return array An array of results.
*
* @since 2.0
* @throws RuntimeException
*/
protected function _getList($query, $limitstart = 0, $limit = 0)
{
$this->getDb()->setQuery($query, $limitstart, $limit);
$result = $this->getDb()->loadObjectList();
return $result;
}
/**
* Returns a record count for the query.
*
* @param \JDatabaseQuery|string $query The query.
*
* @return integer Number of rows for query.
*
* @since 2.0
*/
protected function _getListCount($query)
{
// Use fast COUNT(*) on JDatabaseQuery objects if there no GROUP BY or HAVING clause:
if ($query instanceof \JDatabaseQuery && $query->type == 'select' && $query->group === null && $query->having === null)
{
$query = clone $query;
$query->clear('select')->clear('order')->select('COUNT(*)');
$this->getDb()->setQuery($query);
return (int) $this->getDb()->loadResult();
}
// Otherwise fall back to inefficient way of counting all results.
else
{
$this->getDb()->setQuery($query)->execute();
return (int) $this->getDb()->getNumRows();
}
}
/**
* Method to cache the last query constructed.
*
* This method ensures that the query is constructed only once for a given state of the model.
*
* @return \JDatabaseQuery A JDatabaseQuery object
*
* @since 2.0
*/
protected function _getListQuery()
{
// Capture the last store id used.
static $lastStoreId;
// Compute the current store id.
$currentStoreId = $this->getStoreId();
// If the last store id is different from the current, refresh the query.
if ($lastStoreId != $currentStoreId || empty($this->query))
{
$lastStoreId = $currentStoreId;
$this->query = $this->getListQuery();
}
return $this->query;
}
}