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<?php |
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namespace smtech\CanvasICSSync\SyncIntoCanvas; |
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class Calendar |
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{ |
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/** |
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* Canvas calendar context |
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* @var CalendarContext |
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*/ |
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protected $context; |
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/** |
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* ICS or webcal feed URL |
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* @var string |
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*/ |
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protected $feedUrl; |
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/** |
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* Name of this calendar (extracted from feed) |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* Filter for events in this calendar |
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* @var Filter |
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*/ |
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protected $filter; |
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/** |
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* Construct a Calendar object |
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* |
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* @param string $canvasUrl URL of a Canvas calendar context |
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* @param string $feedUrl URL of a webcal or ICS calendar feed |
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* @param boolean $enableFilter (Optional, default `false`) |
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* @param string $include (Optional) Regular expression to select events |
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* for inclusion in the calendar sync |
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* @param string $exclude (Optional) Regular expression to select events |
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* for exclusion from the calendar sync |
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*/ |
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public function __construct($canvasUrl, $feedUrl, $enableFilter = false, $include = null, $exclude = null) |
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{ |
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$this->setContext(new CalendarContext($canvasUrl)); |
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$this->setFeed($feedUrl); |
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$this->setFilter(new Filter( |
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$enableFilter, |
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$include, |
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$exclude |
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)); |
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} |
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/** |
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* Set the Canvas calendar context |
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* |
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* @param CalendarContext $context |
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* @throws Exception If `$context` is null |
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*/ |
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public function setContext(CalendarContext $context) |
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{ |
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if (!empty($context)) { |
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$this->context = $context; |
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} else { |
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throw new Exception( |
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'Context cannot be null' |
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); |
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} |
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} |
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/** |
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* Get the Canvas calendar context |
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* |
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* @return CalendarContext |
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*/ |
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public function getContext() |
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{ |
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return $this->context; |
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} |
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/** |
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* Set the webcal or ICS feed URl for this calendar |
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* |
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* @param string $feedUrl |
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* @throws Exception If `$feedUrl` is not a valid URL |
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*/ |
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public function setFeedUrl($feedUrl) |
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{ |
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if (!empty($feedUrl)) { |
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/* crude test to see if the feed is a valid URL */ |
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$handle = fopen($feedUrl, 'r'); |
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if ($handle !== false) { |
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$this->feedUrl = $feedUrl; |
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} |
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} |
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throw new Exception( |
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'Feed must be a valid URL' |
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); |
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} |
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/** |
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* Get the feed URL for this calendar |
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* |
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* @return string |
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*/ |
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public function getFeedUrl() |
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{ |
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return $this->feedUrl; |
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} |
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/** |
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* Set the name of the calendar |
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* |
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* @param string $name |
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*/ |
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public function setName($name) |
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{ |
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$this->name = (string) $name; |
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} |
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/** |
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* Get the name of the calendar |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* Set the regular expression filter for this calendar |
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* |
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* @param Filter $filter |
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*/ |
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public function setFilter(Filter $filter) |
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{ |
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$this->filter = $filter; |
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} |
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/** |
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* Get the regular expression filter for this calendar |
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* |
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* @return Filter |
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*/ |
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public function getFilter() |
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{ |
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return $this->filter; |
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} |
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/** |
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* Generate a unique ID to identify this particular pairing of ICS feed and |
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* Canvas calendar |
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**/ |
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protected function getPairingHash() |
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{ |
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global $metadata; |
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return md5($this->getContext() . $this->getFeedUrl()); |
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} |
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public function save() |
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{ |
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$sql = static::getMySql(); |
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$params = [ |
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'id' => $sql->escape_string($this->getPairingHash()), |
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'name' => $sql->escape_string($this->getName()), |
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'canvas_url' => $sql->escape_string($this->getContext()->getCanonicalUrl()), |
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'ics_url' => $sql->escape_string($this->getFeedUrl()), |
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'enable_regex_filter' => $this->getFilter()->isEnabled(), |
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'include_regexp' => $sql->escape_string($this->getFilter()->getIncludeExpression()), |
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'exclude_regexp' => $sql->escape_string($this->getFilter()->getExcludeExpression()) |
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]; |
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foreach ($params as $field => $value) { |
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if (empty($value)) { |
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$params[$field] = 'NULL'; |
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} else { |
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$params[$field] = "'$value'"; |
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} |
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} |
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$response = static::getMySql()->query(" |
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SELECT * FROM `calendars` WHERE `id` = '$_id' |
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"); |
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$previous = $response->fetch_assoc(); |
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if ($previous) { |
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$query = "UPDATE `calendars` SET\n"; |
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foreach ($params as $field => $value) { |
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if ($key != 'id') { |
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$query .= "`$field` = $value\n"; |
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} |
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} |
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$query .= "WHERE `id` = '{$params['id']}'"; |
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} else { |
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$query = "INSERT INTO `calendars` (\n`"; |
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$query .= implode('`, `', array_keys($params)); |
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$query .= "`) VALUES ("; |
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$query .= implode(', ', $params); |
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$query .= ')'; |
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} |
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if (static::getMySql($query)->query() === false) { |
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throw new Exception( |
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"Failed to store calendar ID {$this->id} to database" |
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); |
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} |
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} |
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/** |
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* Load a Calendar from the MySQL database |
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* |
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* @param int $id |
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* @return Calendar |
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*/ |
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public static function load($id) |
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{ |
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$sql = static::getMySql(); |
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$query = "SELECT * FROM `calendars` WHERE `id` = '" . $sql->escape_string($id) . "'"; |
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$response = $sql->query($query); |
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if ($response) { |
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$calendar = $response->fetch_assoc(); |
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return new Calendar($calendar['canvas_url'], $calendar['ics_url'], $calendar['enable_regex_filter'], $calendar['include_regexp'], $calendar['exclude_regexp']); |
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} |
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return null; |
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} |
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} |
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This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.