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<?php |
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/** |
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* Upgrade object for upgrades that need to be tracked |
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* and listed in the admin area. |
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* |
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* @todo Expand for all upgrades to be \ElggUpgrade subclasses. |
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*/ |
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/** |
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* Represents an upgrade that runs outside of the upgrade.php script. |
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* These are listed in admin/upgrades and allow for ajax upgrades. |
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* |
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* @note The "upgrade_url" private setting originally stored the full URL, but |
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* was changed to hold the relative path from the site URL for #6838 |
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* |
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* @package Elgg.Admin |
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* @access private |
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*/ |
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class ElggUpgrade extends \ElggObject { |
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private $requiredProperties = array( |
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'title', |
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'description', |
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'upgrade_url', |
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); |
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/** |
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* Do not use. |
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* |
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* @access private |
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* @var callable |
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*/ |
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public $_callable_egefps = 'elgg_get_entities_from_private_settings'; |
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/** |
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* Set subtype to upgrade |
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* |
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* @return null |
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*/ |
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public function initializeAttributes() { |
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parent::initializeAttributes(); |
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$this->attributes['subtype'] = 'elgg_upgrade'; |
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// unowned |
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$this->attributes['site_guid'] = 0; |
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$this->attributes['container_guid'] = 0; |
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$this->attributes['owner_guid'] = 0; |
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$this->is_completed = 0; |
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} |
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/** |
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* Mark this upgrade as completed |
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* |
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* @return bool |
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*/ |
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public function setCompleted() { |
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$this->setCompletedTime(); |
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return $this->is_completed = true; |
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} |
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/** |
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* Has this upgrade completed? |
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* |
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* @return bool |
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*/ |
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public function isCompleted() { |
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return (bool) $this->is_completed; |
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} |
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/** |
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* Sets an upgrade URL path |
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* |
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* @param string $path Set the URL path (without site URL) for the upgrade page |
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* @return void |
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* @throws InvalidArgumentException |
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*/ |
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public function setPath($path) { |
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if (!$path) { |
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throw new InvalidArgumentException('Invalid value for URL path.'); |
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} |
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$path = ltrim($path, '/'); |
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if ($this->getUpgradeFromPath($path)) { |
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throw new InvalidArgumentException('Upgrade URL paths must be unique.'); |
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} |
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$this->upgrade_url = $path; |
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} |
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/** |
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* Returns a normalized URL for the upgrade page. |
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* |
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* @return string |
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*/ |
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public function getURL() { |
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return elgg_normalize_url($this->upgrade_url); |
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} |
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/** |
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* Sets the timestamp for when the upgrade completed. |
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* |
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* @param int $time Timestamp when upgrade finished. Defaults to now. |
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* @return bool |
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*/ |
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public function setCompletedTime($time = null) { |
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if (!$time) { |
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$time = time(); |
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} |
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return $this->completed_time = $time; |
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} |
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/** |
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* Gets the time when the upgrade completed. |
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* |
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* @return string |
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*/ |
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public function getCompletedTime() { |
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return $this->completed_time; |
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} |
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/** |
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* Require an upgrade page. |
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* |
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* @return mixed |
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* @throws UnexpectedValueException |
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*/ |
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public function save() { |
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foreach ($this->requiredProperties as $prop) { |
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if (!$this->$prop) { |
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throw new UnexpectedValueException("ElggUpgrade objects must have a value for the $prop property."); |
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} |
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} |
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return parent::save(); |
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} |
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/** |
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* Set a value as private setting or attribute. |
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* |
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* Attributes include title and description. |
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* |
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* @param string $name Name of the attribute or private_setting |
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* @param mixed $value Value to be set |
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* @return void |
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*/ |
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public function __set($name, $value) { |
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if (array_key_exists($name, $this->attributes)) { |
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parent::__set($name, $value); |
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} else { |
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$this->setPrivateSetting($name, $value); |
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} |
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} |
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/** |
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* Get an attribute or private setting value |
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* |
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* @param string $name Name of the attribute or private setting |
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* @return mixed |
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*/ |
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public function __get($name) { |
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// See if its in our base attribute |
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if (array_key_exists($name, $this->attributes)) { |
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return parent::__get($name); |
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} |
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return $this->getPrivateSetting($name); |
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} |
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/** |
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* Find an ElggUpgrade object by the unique URL path |
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* |
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* @param string $path The Upgrade URL path (after site URL) |
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* @return ElggUpgrade|false |
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*/ |
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public function getUpgradeFromPath($path) { |
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$path = ltrim($path, '/'); |
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if (!$path) { |
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return false; |
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} |
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// test for full URL values (used at 1.9.0) |
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$options = array( |
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'type' => 'object', |
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'subtype' => 'elgg_upgrade', |
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'private_setting_name' => 'upgrade_url', |
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'private_setting_value' => elgg_normalize_url($path), |
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); |
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$upgrades = call_user_func($this->_callable_egefps, $options); |
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/* @var ElggUpgrade[] $upgrades */ |
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if ($upgrades) { |
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// replace URL with path (we can't use setPath due to recursion) |
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$upgrades[0]->upgrade_url = $path; |
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return $upgrades[0]; |
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} |
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$options['private_setting_value'] = $path; |
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$upgrades = call_user_func($this->_callable_egefps, $options); |
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if ($upgrades) { |
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return $upgrades[0]; |
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} |
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return false; |
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} |
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} |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
integer
values, zero is a special case, in particular the following results might be unexpected: