673 lines
23 KiB
PHP
673 lines
23 KiB
PHP
<?php
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namespace ZM;
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require_once('Storage.php');
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require_once('functions.php');
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require_once('Object.php');
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class Event extends ZM_Object {
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protected static $table = 'Events';
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protected $defaults = array(
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'Id' => null,
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'Name' => '',
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'MonitorId' => null,
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'StorageId' => null,
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'SecondaryStorageId' => null,
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'Cause' => '',
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'StartDateTime' => null,
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'EndDateTime' => null,
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'Width' => null,
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'Height' => null,
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'Length' => null,
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'Frames' => null,
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'AlarmFrames' => null,
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'DefaultVideo' => '',
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'SaveJPEGs' => 0,
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'TotScore' => 0,
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'AvgScore' => 0,
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'MaxScore' => 0,
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'Archived' => 0,
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'Videoed' => 0,
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'Uploaded' => 0,
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'Emailed' => 0,
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'Messaged' => 0,
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'Executed' => 0,
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'Notes' => '',
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'StateId' => 0,
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'Orientation' => 0,
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'DiskSpace' => null,
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'Scheme' => 0,
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'Locked' => 0,
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);
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public static function find( $parameters = array(), $options = array() ) {
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return ZM_Object::_find(get_class(), $parameters, $options);
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}
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public static function find_one( $parameters = array(), $options = array() ) {
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return ZM_Object::_find_one(get_class(), $parameters, $options);
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}
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public static function clear_cache() {
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return ZM_Object::_clear_cache(get_class());
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}
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public function remove_from_cache() {
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return ZM_Object::_remove_from_cache(get_class(), $this);
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}
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public function Storage( $new = null ) {
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if ( $new ) {
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$this->{'Storage'} = $new;
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}
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if ( ! ( property_exists($this, 'Storage') and $this->{'Storage'} ) ) {
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if ( isset($this->{'StorageId'}) and $this->{'StorageId'} )
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$this->{'Storage'} = Storage::find_one(array('Id'=>$this->{'StorageId'}));
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if ( ! ( property_exists($this, 'Storage') and $this->{'Storage'} ) ) {
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$this->{'Storage'} = new Storage(NULL);
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$this->{'Storage'}->Scheme($this->Scheme());
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}
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}
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return $this->{'Storage'};
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}
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public function SecondaryStorage( $new = null ) {
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if ( $new ) {
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$this->{'SecondaryStorage'} = $new;
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}
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if ( ! ( property_exists($this, 'SecondaryStorage') and $this->{'SecondaryStorage'} ) ) {
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if ( isset($this->{'SecondaryStorageId'}) and $this->{'SecondaryStorageId'} )
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$this->{'SecondaryStorage'} = Storage::find_one(array('Id'=>$this->{'SecondaryStorageId'}));
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if ( ! ( property_exists($this, 'SecondaryStorage') and $this->{'SecondaryStorage'} ) )
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$this->{'SecondaryStorage'} = new Storage(NULL);
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}
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return $this->{'SecondaryStorage'};
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}
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public function Monitor() {
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if ( isset($this->{'MonitorId'}) ) {
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$Monitor = Monitor::find_one(array('Id'=>$this->{'MonitorId'}));
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if ( $Monitor )
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return $Monitor;
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}
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return new Monitor();
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}
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public function Time() {
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if ( ! isset($this->{'Time'}) ) {
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$this->{'Time'} = strtotime($this->{'StartDateTime'});
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}
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return $this->{'Time'};
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}
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public function Path() {
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$Storage = $this->Storage();
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if ( $Storage->Path() and $this->Relative_Path() ) {
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return $Storage->Path().'/'.$this->Relative_Path();
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} else {
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Error('Event Path not complete. Storage: '.$Storage->Path().' relative: '.$this->Relative_Path());
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return '';
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}
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}
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public function Relative_Path() {
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$event_path = '';
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if ( $this->{'Scheme'} == 'Deep' ) {
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$event_path = $this->{'MonitorId'}.'/'.strftime('%y/%m/%d/%H/%M/%S', $this->Time());
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} else if ( $this->{'Scheme'} == 'Medium' ) {
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$event_path = $this->{'MonitorId'}.'/'.strftime('%Y-%m-%d', $this->Time()).'/'.$this->{'Id'};
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} else {
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$event_path = $this->{'MonitorId'}.'/'.$this->{'Id'};
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}
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return $event_path;
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} // end function Relative_Path()
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public function Link_Path() {
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if ( $this->{'Scheme'} == 'Deep' ) {
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return $this->{'MonitorId'}.'/'.strftime('%y/%m/%d/.', $this->Time()).$this->{'Id'};
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}
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Error('Calling Link_Path when not using deep storage');
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return '';
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}
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public function delete() {
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if ( ! $this->{'Id'} ) {
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Error('Event delete on event with empty Id');
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return;
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}
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if ( $this->{'Archived'} ) {
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Error('Cannot delete an Archived event.');
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return;
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}
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if ( ZM_OPT_FAST_DELETE ) {
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dbQuery('DELETE FROM Events WHERE Id = ?', array($this->{'Id'}));
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return;
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}
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global $dbConn;
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$dbConn->beginTransaction();
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try {
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$this->lock();
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dbQuery('DELETE FROM Stats WHERE EventId = ?', array($this->{'Id'}));
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dbQuery('DELETE FROM Frames WHERE EventId = ?', array($this->{'Id'}));
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if ( $this->{'Scheme'} == 'Deep' ) {
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# Assumption: All events have a start time
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$start_date = date_parse($this->{'StartDateTime'});
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if ( ! $start_date ) {
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throw new Exception('Unable to parse start date time for event ' . $this->{'Id'} . ' not deleting files.');
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}
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$start_date['year'] = $start_date['year'] % 100;
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# So this is because ZM creates a link under the day pointing to the time that the event happened.
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$link_path = $this->Link_Path();
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if ( ! $link_path ) {
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throw new Exception('Unable to determine link path for event '.$this->{'Id'}.' not deleting files.');
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}
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$Storage = $this->Storage();
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$eventlink_path = $Storage->Path().'/'.$link_path;
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if ( $id_files = glob($eventlink_path) ) {
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if ( ! $eventPath = readlink($id_files[0]) ) {
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throw new Exception("Unable to read link at $id_files[0]");
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}
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# I know we are using arrays here, but really there can only ever be 1 in the array
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$eventPath = preg_replace('/\.'.$this->{'Id'}.'$/', $eventPath, $id_files[0]);
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deletePath($eventPath);
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deletePath($id_files[0]);
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$pathParts = explode('/', $eventPath);
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for ( $i = count($pathParts)-1; $i >= 2; $i-- ) {
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$deletePath = join('/', array_slice($pathParts, 0, $i));
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if ( !glob($deletePath.'/*') ) {
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deletePath($deletePath);
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}
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}
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} else {
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Warning("Found no event files under $eventlink_path");
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} # end if found files
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} else {
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$eventPath = $this->Path();
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if ( ! $eventPath ) {
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throw new Exception('No event Path in Event delete. Not deleting');
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}
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deletePath($eventPath);
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if ( $this->SecondaryStorageId() ) {
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$Storage = $this->SecondaryStorage();
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if ( $Storage->Id() ) {
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$eventPath = $Storage->Path().'/'.$this->Relative_Path();
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if ( ! $eventPath ) {
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Error('No event Path in Event delete. Not deleting');
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} else {
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deletePath($eventPath);
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}
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} # end if Storage
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} # end if has Secondary Storage
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} # USE_DEEP_STORAGE OR NOT
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dbQuery('DELETE FROM Events WHERE Id = ?', array($this->{'Id'}));
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$dbConn->commit();
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} catch (PDOException $e) {
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$dbConn->rollback();
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} catch (Exception $e) {
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Error($e->getMessage());
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$dbConn->rollback();
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}
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} # end Event->delete
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public function getStreamSrc( $args=array(), $querySep='&' ) {
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$streamSrc = '';
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$Server = null;
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if ( $this->Storage()->ServerId() ) {
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# The Event may have been moved to Storage on another server,
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# So prefer viewing the Event from the Server that is actually
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# storing the video
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$Server = $this->Storage()->Server();
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} else if ( $this->Monitor()->ServerId() ) {
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# Assume that the server that recorded it has it
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$Server = $this->Monitor()->Server();
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} else {
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# A default Server will result in the use of ZM_DIR_EVENTS
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$Server = new Server();
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}
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# If we are in a multi-port setup, then use the multiport, else by
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# passing null Server->Url will use the Port set in the Server setting
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$streamSrc .= $Server->Url(
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ZM_MIN_STREAMING_PORT ?
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ZM_MIN_STREAMING_PORT+$this->{'MonitorId'} :
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null);
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if ( $this->{'DefaultVideo'} and $args['mode'] != 'jpeg' ) {
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$streamSrc .= $Server->PathToIndex();
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$args['eid'] = $this->{'Id'};
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$args['view'] = 'view_video';
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} else {
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$streamSrc .= $Server->PathToZMS();
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$args['source'] = 'event';
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$args['event'] = $this->{'Id'};
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if ( ( (!isset($args['mode'])) or ( $args['mode'] != 'single' ) ) && !empty($GLOBALS['connkey']) ) {
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$args['connkey'] = $GLOBALS['connkey'];
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}
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if ( ZM_RAND_STREAM ) {
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$args['rand'] = time();
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}
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}
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if ( ZM_OPT_USE_AUTH ) {
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if ( ZM_AUTH_RELAY == 'hashed' ) {
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$args['auth'] = generateAuthHash(ZM_AUTH_HASH_IPS);
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} else if ( ZM_AUTH_RELAY == 'plain' ) {
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$args['user'] = $_SESSION['username'];
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$args['pass'] = $_SESSION['password'];
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} else if ( ZM_AUTH_RELAY == 'none' ) {
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$args['user'] = $_SESSION['username'];
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}
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}
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$streamSrc .= '?'.http_build_query($args, '', $querySep);
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return $streamSrc;
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} // end function getStreamSrc
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# The new='' is to so that if we pass null, we reset the value of DiskSpace.
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# '' is not a valid DiskSpace so that tells us that nothing was passed whereas null (unknown) is.
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function DiskSpace( $new='' ) {
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if ( is_null($new) or ( $new != '' ) ) {
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$this->{'DiskSpace'} = $new;
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}
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if ( (!property_exists($this, 'DiskSpace')) or (null === $this->{'DiskSpace'}) ) {
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$this->{'DiskSpace'} = folder_size($this->Path());
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if ( $this->{'EndDateTime'} ) {
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# Finished events shouldn't grow in size much so we can commit it to the db.
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dbQuery('UPDATE Events SET DiskSpace=? WHERE Id=?', array($this->{'DiskSpace'}, $this->{'Id'}));
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}
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}
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return $this->{'DiskSpace'};
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}
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function createListThumbnail( $overwrite=false ) {
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# The idea here is that we don't really want to use the analysis jpeg as the thumbnail.
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# The snapshot image will be generated during capturing
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if ( file_exists($this->Path().'/snapshot.jpg') ) {
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Debug("snapshot exists");
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$frame = null;
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} else {
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# Load the frame with the highest score to use as a thumbnail
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if ( !($frame = dbFetchOne( 'SELECT * FROM Frames WHERE EventId=? AND Score=? ORDER BY FrameId LIMIT 1', NULL, array( $this->{'Id'}, $this->{'MaxScore'} ) )) ) {
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Error("Unable to find a Frame matching max score " . $this->{'MaxScore'} . ' for event ' . $this->{'Id'} );
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// FIXME: What if somehow the db frame was lost or score was changed? Should probably try another search for any frame.
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return false;
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}
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}
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$imageData = $this->getImageSrc($frame, $scale, false, $overwrite);
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if ( ! $imageData ) {
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return false;
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}
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$thumbData = $frame;
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$thumbData['Path'] = $imageData['thumbPath'];
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$thumbData['Width'] = $this->ThumbnailWidth();
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$thumbData['Height'] = $this->ThumbnailHeight();
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$thumbData['url'] = '?view=image&eid='.$this->Id().'&fid='.$imageData['FrameId'].'&width='.$thumbData['Width'].'&height='.$thumbData['Height'];
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return $thumbData;
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} // end function createListThumbnail
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function ThumbnailWidth( ) {
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if ( ! ( property_exists($this, 'ThumbnailWidth') ) ) {
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if ( ZM_WEB_LIST_THUMB_WIDTH ) {
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$this->{'ThumbnailWidth'} = ZM_WEB_LIST_THUMB_WIDTH;
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$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_WIDTH)/$this->{'Width'};
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$this->{'ThumbnailHeight'} = reScale( $this->{'Height'}, $scale );
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} elseif ( ZM_WEB_LIST_THUMB_HEIGHT ) {
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$this->{'ThumbnailHeight'} = ZM_WEB_LIST_THUMB_HEIGHT;
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$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_HEIGHT)/$this->{'Height'};
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$this->{'ThumbnailWidth'} = reScale( $this->{'Width'}, $scale );
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} else {
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Fatal( "No thumbnail width or height specified, please check in Options->Web" );
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}
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}
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return $this->{'ThumbnailWidth'};
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} // end function ThumbnailWidth
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function ThumbnailHeight( ) {
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if ( ! ( property_exists($this, 'ThumbnailHeight') ) ) {
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if ( ZM_WEB_LIST_THUMB_WIDTH ) {
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$this->{'ThumbnailWidth'} = ZM_WEB_LIST_THUMB_WIDTH;
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$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_WIDTH)/$this->{'Width'};
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$this->{'ThumbnailHeight'} = reScale( $this->{'Height'}, $scale );
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} elseif ( ZM_WEB_LIST_THUMB_HEIGHT ) {
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$this->{'ThumbnailHeight'} = ZM_WEB_LIST_THUMB_HEIGHT;
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$scale = (SCALE_BASE*ZM_WEB_LIST_THUMB_HEIGHT)/$this->{'Height'};
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$this->{'ThumbnailWidth'} = reScale( $this->{'Width'}, $scale );
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} else {
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Fatal( "No thumbnail width or height specified, please check in Options->Web" );
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}
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}
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return $this->{'ThumbnailHeight'};
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} // end function ThumbnailHeight
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function getThumbnailSrc( $args=array(), $querySep='&' ) {
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# The thumbnail is theoretically the image with the most motion.
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# We always store at least 1 image when capturing
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$streamSrc = '';
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$Server = null;
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if ( $this->Storage()->ServerId() ) {
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$Server = $this->Storage()->Server();
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} else if ( $this->Monitor()->ServerId() ) {
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# Assume that the server that recorded it has it
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$Server = $this->Monitor()->Server();
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} else {
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$Server = new Server();
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}
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$streamSrc .= $Server->UrlToIndex(
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ZM_MIN_STREAMING_PORT ?
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ZM_MIN_STREAMING_PORT+$this->{'MonitorId'} :
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null);
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$args['eid'] = $this->{'Id'};
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$args['fid'] = 'snapshot';
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$args['view'] = 'image';
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$args['width'] = $this->ThumbnailWidth();
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$args['height'] = $this->ThumbnailHeight();
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if ( ZM_OPT_USE_AUTH ) {
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if ( ZM_AUTH_RELAY == 'hashed' ) {
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$args['auth'] = generateAuthHash(ZM_AUTH_HASH_IPS);
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} else if ( ZM_AUTH_RELAY == 'plain' ) {
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$args['user'] = $_SESSION['username'];
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$args['pass'] = $_SESSION['password'];
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} else if ( ZM_AUTH_RELAY == 'none' ) {
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$args['user'] = $_SESSION['username'];
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}
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}
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return $streamSrc.'?'.http_build_query($args,'', $querySep);
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} // end function getThumbnailSrc
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// frame is an array representing the db row for a frame.
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function getImageSrc($frame, $scale=SCALE_BASE, $captureOnly=false, $overwrite=false) {
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$Storage = $this->Storage();
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$Event = $this;
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$eventPath = $Event->Path();
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if ( $frame and !is_array($frame) ) {
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# Must be an Id
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Debug("Assuming that $frame is an Id");
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$frame = array('FrameId'=>$frame, 'Type'=>'', 'Delta'=>0);
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}
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if ( ( !$frame ) and file_exists($eventPath.'/snapshot.jpg') ) {
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# No frame specified, so look for a snapshot to use
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$captImage = 'snapshot.jpg';
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Debug('Frame not specified, using snapshot');
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$frame = array('FrameId'=>'snapshot', 'Type'=>'', 'Delta'=>0);
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} else {
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$captImage = sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d-analyze.jpg', $frame['FrameId']);
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if ( ! file_exists( $eventPath.'/'.$captImage ) ) {
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$captImage = sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d-capture.jpg', $frame['FrameId']);
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if ( !file_exists($eventPath.'/'.$captImage) ) {
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# Generate the frame JPG
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if ( $Event->DefaultVideo() ) {
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$videoPath = $eventPath.'/'.$Event->DefaultVideo();
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if ( !file_exists($videoPath) ) {
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Error('Event claims to have a video file, but it does not seem to exist at '.$videoPath);
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return '';
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}
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#$command ='ffmpeg -v 0 -i '.$videoPath.' -vf "select=gte(n\\,'.$frame['FrameId'].'),setpts=PTS-STARTPTS" '.$eventPath.'/'.$captImage;
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$command ='ffmpeg -ss '. $frame['Delta'] .' -i '.$videoPath.' -frames:v 1 '.$eventPath.'/'.$captImage;
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Debug('Running '.$command);
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$output = array();
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$retval = 0;
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exec($command, $output, $retval);
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Debug("Retval: $retval, output: " . implode("\n", $output));
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} else {
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Error('Can\'t create frame images from video because there is no video file for event '.$Event->Id().' at ' .$Event->Path());
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}
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} // end if capture file exists
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} // end if analyze file exists
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} // end if frame or snapshot
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$captPath = $eventPath.'/'.$captImage;
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if ( !file_exists($captPath) ) {
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Error('Capture file does not exist at '.$captPath);
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}
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$analImage = sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d-analyse.jpg', $frame['FrameId']);
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$analPath = $eventPath.'/'.$analImage;
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$alarmFrame = $frame['Type'] == 'Alarm';
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$hasAnalImage = $alarmFrame && file_exists($analPath) && filesize($analPath);
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$isAnalImage = $hasAnalImage && !$captureOnly;
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if ( !ZM_WEB_SCALE_THUMBS || ($scale >= SCALE_BASE) || !function_exists('imagecreatefromjpeg') ) {
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$imagePath = $thumbPath = $isAnalImage ? $analPath : $captPath;
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$imageFile = $imagePath;
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$thumbFile = $thumbPath;
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} else {
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if ( version_compare(phpversion(), '4.3.10', '>=') )
|
|
$fraction = sprintf('%.3F', $scale/SCALE_BASE);
|
|
else
|
|
$fraction = sprintf('%.3f', $scale/SCALE_BASE);
|
|
$scale = (int)round($scale);
|
|
|
|
$thumbCaptPath = preg_replace('/\.jpg$/', "-$scale.jpg", $captPath);
|
|
$thumbAnalPath = preg_replace('/\.jpg$/', "-$scale.jpg", $analPath);
|
|
|
|
if ( $isAnalImage ) {
|
|
$imagePath = $analPath;
|
|
$thumbPath = $thumbAnalPath;
|
|
} else {
|
|
$imagePath = $captPath;
|
|
$thumbPath = $thumbCaptPath;
|
|
}
|
|
|
|
$thumbFile = $thumbPath;
|
|
if ( $overwrite || ! file_exists($thumbFile) || ! filesize($thumbFile) ) {
|
|
// Get new dimensions
|
|
list($imageWidth, $imageHeight) = getimagesize($imagePath);
|
|
$thumbWidth = $imageWidth * $fraction;
|
|
$thumbHeight = $imageHeight * $fraction;
|
|
|
|
// Resample
|
|
$thumbImage = imagecreatetruecolor($thumbWidth, $thumbHeight);
|
|
$image = imagecreatefromjpeg($imagePath);
|
|
imagecopyresampled($thumbImage, $image, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $imageWidth, $imageHeight);
|
|
|
|
if ( !imagejpeg($thumbImage, $thumbPath) )
|
|
Error("Can't create thumbnail '$thumbPath'");
|
|
}
|
|
} # Create thumbnails
|
|
|
|
$imageData = array(
|
|
'eventPath' => $eventPath,
|
|
'imagePath' => $imagePath,
|
|
'thumbPath' => $thumbPath,
|
|
'imageFile' => $imagePath,
|
|
'thumbFile' => $thumbFile,
|
|
'imageClass' => $alarmFrame?'alarm':'normal',
|
|
'isAnalImage' => $isAnalImage,
|
|
'hasAnalImage' => $hasAnalImage,
|
|
'FrameId' => $frame['FrameId'],
|
|
);
|
|
|
|
return $imageData;
|
|
} # getImageSrc
|
|
|
|
public function link_to($text=null) {
|
|
if ( !$text )
|
|
$text = $this->{'Id'};
|
|
return '<a href="?view=event&eid='. $this->{'Id'}.'">'.$text.'</a>';
|
|
}
|
|
|
|
public function file_exists() {
|
|
if ( file_exists( $this->Path().'/'.$this->DefaultVideo() ) ) {
|
|
return true;
|
|
}
|
|
if ( !defined('ZM_SERVER_ID') ) {
|
|
return false;
|
|
}
|
|
$Storage= $this->Storage();
|
|
$Server = $Storage->ServerId() ? $Storage->Server() : $this->Monitor()->Server();
|
|
if ( $Server->Id() != ZM_SERVER_ID ) {
|
|
|
|
$url = $Server->UrlToApi() . '/events/'.$this->{'Id'}.'.json';
|
|
if ( ZM_OPT_USE_AUTH ) {
|
|
if ( ZM_AUTH_RELAY == 'hashed' ) {
|
|
$url .= '?auth='.generateAuthHash( ZM_AUTH_HASH_IPS );
|
|
} else if ( ZM_AUTH_RELAY == 'plain' ) {
|
|
$url .= '?user='.$_SESSION['username'];
|
|
$url .= '?pass='.$_SESSION['password'];
|
|
} else {
|
|
Error('Multi-Server requires AUTH_RELAY be either HASH or PLAIN');
|
|
return;
|
|
}
|
|
}
|
|
Debug("sending command to $url");
|
|
// use key 'http' even if you send the request to https://...
|
|
$options = array(
|
|
'http' => array(
|
|
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
|
|
'method' => 'GET',
|
|
'content' => ''
|
|
)
|
|
);
|
|
$context = stream_context_create($options);
|
|
try {
|
|
$result = file_get_contents($url, false, $context);
|
|
if ($result === FALSE) { /* Handle error */
|
|
Error("Error restarting zmc using $url");
|
|
}
|
|
$event_data = json_decode($result,true);
|
|
Debug(print_r($event_data['event']['Event'],1));
|
|
return $event_data['event']['Event']['fileExists'];
|
|
} catch ( Exception $e ) {
|
|
Error("Except $e thrown trying to get event data");
|
|
}
|
|
} # end if not local
|
|
return false;
|
|
} # end public function file_exists()
|
|
|
|
public function file_size() {
|
|
if ( file_exists($this->Path().'/'.$this->DefaultVideo()) ) {
|
|
return filesize($this->Path().'/'.$this->DefaultVideo());
|
|
}
|
|
if ( !defined('ZM_SERVER_ID') ) {
|
|
return false;
|
|
}
|
|
$Storage= $this->Storage();
|
|
$Server = $Storage->ServerId() ? $Storage->Server() : $this->Monitor()->Server();
|
|
if ( $Server->Id() != ZM_SERVER_ID ) {
|
|
|
|
$url = $Server->UrlToApi().'/events/'.$this->{'Id'}.'.json';
|
|
if ( ZM_OPT_USE_AUTH ) {
|
|
if ( ZM_AUTH_RELAY == 'hashed' ) {
|
|
$url .= '?auth='.generateAuthHash(ZM_AUTH_HASH_IPS);
|
|
} elseif ( ZM_AUTH_RELAY == 'plain' ) {
|
|
$url .= '?user='.$_SESSION['username'];
|
|
$url .= '?pass='.$_SESSION['password'];
|
|
} else {
|
|
Error('Multi-Server requires AUTH_RELAY be either HASH or PLAIN');
|
|
return;
|
|
}
|
|
}
|
|
Debug("sending command to $url");
|
|
// use key 'http' even if you send the request to https://...
|
|
$options = array(
|
|
'http' => array(
|
|
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
|
|
'method' => 'GET',
|
|
'content' => ''
|
|
)
|
|
);
|
|
$context = stream_context_create($options);
|
|
try {
|
|
$result = file_get_contents($url, false, $context);
|
|
if ( $result === FALSE ) { /* Handle error */
|
|
Error("Error restarting zmc using $url");
|
|
}
|
|
$event_data = json_decode($result,true);
|
|
Debug(print_r($event_data['event']['Event'], 1));
|
|
return $event_data['event']['Event']['fileSize'];
|
|
} catch ( Exception $e ) {
|
|
Error("Except $e thrown trying to get event data");
|
|
}
|
|
} # end if not local
|
|
return 0;
|
|
} # end public function file_size()
|
|
|
|
public function can_delete() {
|
|
if ( $this->Archived() ) {
|
|
return false;
|
|
}
|
|
if ( !$this->EndDateTime() ) {
|
|
return false;
|
|
}
|
|
if ( !canEdit('Events') ) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public function cant_delete_reason() {
|
|
if ( $this->Archived() ) {
|
|
return 'You cannot delete an archived event. Unarchive it first.';
|
|
} else if ( ! $this->EndDateTime() ) {
|
|
return 'You cannot delete an event while it is being recorded. Wait for it to finish.';
|
|
} else if ( ! canEdit('Events') ) {
|
|
return 'You do not have rights to edit Events.';
|
|
}
|
|
return 'Unknown reason';
|
|
}
|
|
|
|
function canView($u=null) {
|
|
global $user;
|
|
if (!$u) $u=$user;
|
|
if (!$u) {
|
|
# auth turned on and not logged in
|
|
return false;
|
|
}
|
|
if (!empty($u['MonitorIds']) ) {
|
|
if (in_array($this->{'MonitorId'}, explode(',', $u['MonitorIds']))) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
if ($u['Events'] != 'None') {
|
|
return true;
|
|
}
|
|
if ($u['Snapshots'] != 'None') {
|
|
# If the event is contained in a snapshot, then we can still view it.
|
|
if (dbFetchOne('SELECT * FROM Snapshot_Events WHERE EventId=?', $this->Id()))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function canEdit($u=null) {
|
|
global $user;
|
|
if (!$u) $u=$user;
|
|
if (!$u) {
|
|
# auth turned on and not logged in
|
|
return false;
|
|
}
|
|
if (!empty($u['MonitorIds']) ) {
|
|
if (!in_array($this->{'MonitorId'}, explode(',', $u['MonitorIds']))) {
|
|
return false;
|
|
}
|
|
}
|
|
if ($u['Events'] != 'Edit') {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
} # end class
|
|
|
|
?>
|