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Add Local Time Zone

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Franzz
2021-05-24 01:05:36 +02:00
parent 6b3d637e64
commit b398480c7f
19 changed files with 1815 additions and 1679 deletions
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136
inc/media.php
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@@ -1,22 +1,22 @@
<?php
class Media extends PhpObject {
//DB Tables
const MEDIA_TABLE = 'medias';
//Media folders
const MEDIA_FOLDER = 'files/';
const THUMB_FOLDER = self::MEDIA_FOLDER.'thumbs/';
const THUMB_MAX_WIDTH = 400;
/**
* Database Handle
* @var Db
*/
private $oDb;
/**
* Media Project
* @var Project
@@ -25,9 +25,9 @@ class Media extends PhpObject {
private $asMedia;
private $asMedias;
private $sSystemType;
private $iMediaId;
public function __construct(Db &$oDb, &$oProject, $iMediaId=0) {
parent::__construct(__CLASS__, Settings::DEBUG);
$this->oDb = &$oDb;
@@ -37,19 +37,19 @@ class Media extends PhpObject {
$this->sSystemType = (substr(php_uname(), 0, 7) == "Windows")?'win':'unix';
$this->setMediaId($iMediaId);
}
public function setMediaId($iMediaId) {
$this->iMediaId = $iMediaId;
}
public function getMediaId() {
return $this->iMediaId;
}
public function getProjectCodeName() {
return $this->oProject->getProjectCodeName();
}
public function setComment($sComment) {
$sError = '';
$asData = array();
@@ -59,27 +59,27 @@ class Media extends PhpObject {
else $asData = $this->getInfo();
}
else $sError = 'media_no_id';
return Spot::getResult(($sError==''), $sError, $asData);
}
public function getMediasInfo($iMediaId=0) {
$bOwnMedia = ($iMediaId > 0);
if($bOwnMedia && empty($this->asMedia) || !$bOwnMedia && empty($this->asMedias)) {
if($this->oProject->getProjectId()) {
$asParams = array(
'select' => array(Db::getId(self::MEDIA_TABLE), 'filename', 'taken_on', 'posted_on', 'rotate', 'type AS subtype', 'comment'),
'select' => array(Db::getId(self::MEDIA_TABLE), 'filename', 'taken_on', 'posted_on', 'timezone', 'rotate', 'type AS subtype', 'comment'),
'from' => self::MEDIA_TABLE,
'constraint'=> array(Db::getId(Project::PROJ_TABLE) => $this->oProject->getProjectId())
);
if($bOwnMedia) $asParams['constraint'][Db::getId(self::MEDIA_TABLE)] = $iMediaId;
$asMedias = $this->oDb->selectRows($asParams);
foreach($asMedias as &$asMedia) {
$asMedia['media_path'] = self::getMediaPath($asMedia['filename']);
$asMedia['thumb_path'] = $this->getMediaThumbnail($asMedia['filename']);
}
if(!empty($asMedias)) {
if($bOwnMedia) $this->asMedia = array_shift($asMedias);
else $this->asMedias = $asMedias;
@@ -88,15 +88,15 @@ class Media extends PhpObject {
}
return $bOwnMedia?$this->asMedia:$this->asMedias;
}
public function getInfo() {
return $this->getMediasInfo($this->iMediaId);
}
public function isProjectModeValid() {
return ($this->oProject->getMode() == Project::MODE_BLOG);
}
public function addMedia($sMediaName, $sMethod='upload') {
$sError = '';
$asParams = array();
@@ -109,30 +109,32 @@ class Media extends PhpObject {
$asParams[] = $sMediaName;
}
else {
//Add media to DB
$asMediaInfo = $this->getMediaInfoFromFile($sMediaName);
//Converting times to DB Time Zone, by using date()
$asDbInfo = array(
Db::getId(Project::PROJ_TABLE) => $this->oProject->getProjectId(),
'filename' => $sMediaName,
'taken_on' => ($asMediaInfo['taken_ts'] > 0)?date(Db::TIMESTAMP_FORMAT, $asMediaInfo['taken_ts']):0, //Site Time
'posted_on' => date(Db::TIMESTAMP_FORMAT, $asMediaInfo['file_ts']), //Site Time
'taken_on' => ($asMediaInfo['taken_ts'] > 0)?date(Db::TIMESTAMP_FORMAT, $asMediaInfo['taken_ts']):0,
'posted_on' => date(Db::TIMESTAMP_FORMAT, $asMediaInfo['file_ts']),
'timezone' => $asMediaInfo['timezone'],
'rotate' => $asMediaInfo['rotate'],
'type' => $asMediaInfo['type']
);
if($sMethod=='sync') $iMediaId = $this->oDb->insertUpdateRow(self::MEDIA_TABLE, $asDbInfo, array(Db::getId(Project::PROJ_TABLE), 'filename'));
else $iMediaId = $this->oDb->insertRow(self::MEDIA_TABLE, $asDbInfo);
if(!$iMediaId) $sError = 'error_commit_db';
else {
$this->setMediaId($iMediaId);
$asParams = $this->getInfo(); //Creates thumbnail
}
}
return Spot::getResult(($sError==''), $sError, $asParams);
}
/**
* One-shot function to initialize DB with existing images
*/
@@ -146,13 +148,15 @@ class Media extends PhpObject {
$this->setExtractMode(PhpObject::MODE_HTML);
return $this->getCleanMessageStack();
}
private function getMediaInfoFromFile($sMediaName)
{
$sMediaPath = self::getMediaPath($sMediaName);
$sType = self::getMediaType($sMediaName);
$iTimeStamp = $iTakenOn = $iPostedOn = 0;
$iTimeStamp = $iTakenOn = 0;
$iPostedOn = filemtime($sMediaPath);
$sTimeZone = date_default_timezone_get();
$sRotate = '0';
$sTakenOn = '';
switch($sType) {
@@ -161,28 +165,44 @@ class Media extends PhpObject {
$sParams = implode(' ', array(
'-loglevel error', //Remove comments
'-select_streams v:0', //First video channel
'-show_entries stream_tags=rotate,creation_time', //filter tags :rotation & creation time only
'-show_entries '. //filter tags : Creation Time & Rotation
'format_tags=creation_time,com.apple.quicktime.creationdate'.':'.
'stream_tags=rotate,creation_time',
'-print_format json', //output format: json
'-i' //input file
));
exec('ffprobe '.$sParams.' "'.$sMediaPath.'"', $asResult);
$asResult = json_decode(implode('', $asResult), true);
//Timestamps
$sTakenOn = date(Db::TIMESTAMP_FORMAT, strtotime($asResult['streams'][0]['tags']['creation_time']));
$iPostedOn = filemtime($sMediaPath);
$asExif = json_decode(implode('', $asResult), true);
//Taken On
if(isset($asExif['format']['tags']['com.apple.quicktime.creationdate'])) {
$sTakenOn = $asExif['format']['tags']['com.apple.quicktime.creationdate']; //contains Time Zone
$sTimeZone = Spot::getTimeZoneFromDate($sTakenOn) ?? $sTimeZone;
}
else $sTakenOn = $asExif['format']['tags']['creation_time'] ?? $asExif['streams'][0]['tags']['creation_time'];
//Orientation
if(isset($asResult['streams'][0]['tags']['rotate'])) $sRotate = $asResult['streams'][0]['tags']['rotate'];
if(isset($asExif['streams'][0]['tags']['rotate'])) $sRotate = $asExif['streams'][0]['tags']['rotate'];
break;
case 'image':
case 'image':
$asExif = @exif_read_data($sMediaPath, 0, true);
if(!$asExif) $asExif['FILE']['FileDateTime'] = filemtime($sMediaPath);
//Timestamps
if(array_key_exists('EXIF', $asExif) && array_key_exists('DateTimeOriginal', $asExif['EXIF'])) $sTakenOn = $asExif['EXIF']['DateTimeOriginal'];
//Posted On
if(array_key_exists('FILE', $asExif) && array_key_exists('FileDateTime', $asExif['FILE'])) $iPostedOn = $asExif['FILE']['FileDateTime'];
//Taken On & Timezone
if(array_key_exists('EXIF', $asExif)) {
if(array_key_exists('DateTimeOriginal', $asExif['EXIF'])) $sTakenOn = $asExif['EXIF']['DateTimeOriginal'];
/* Priorities:
* 1. OffsetTimeOriginal: timezone for DateTimeOriginal (exif version >= 2.31)
* 2. 0x9011: same as above, but unidentified
* 3. Timezone extracted from DateTimeOriginal
* 4. Uploader Browser Time Zone (PHP Default Time Zone)
*/
$sTimeZone = $asExif['EXIF']['OffsetTimeOriginal'] ?? $asExif['EXIF']['UndefinedTag:0x9011'] ?? Spot::getTimeZoneFromDate($sTakenOn) ?? $sTimeZone;
}
//Orientation
if(array_key_exists('IFD0', $asExif) && array_key_exists('Orientation', $asExif['IFD0'])) {
switch($asExif['IFD0']['Orientation'])
@@ -195,30 +215,32 @@ class Media extends PhpObject {
}
break;
}
//Media info do not have any TZ: Interpreting date time using project timezone (assuming all medias have been taken in this time zone)
//Assign the correct Time Zone to $sTakenOn if it is not already contained in it. Then get Unix Timestamp
//Time Zone (2nd parameter) will be ignored if already contained in $sTakenOn
if($sTakenOn != '') {
$oTakenOn = new DateTime($sTakenOn, new DateTimeZone($this->oProject->getTimeZone()));
$oTakenOn = new DateTime($sTakenOn, new DateTimeZone($sTimeZone));
$iTakenOn = $oTakenOn->format('U');
}
//Merge timestamps
$iTimeStamp = ($iTakenOn > 0)?$iTakenOn:$iPostedOn;
return array(
'timestamp' => $iTimeStamp,
'timezone' => $sTimeZone,
'taken_ts' => $iTakenOn,
'file_ts' => $iPostedOn,
'rotate' => $sRotate,
'type' => $sType
);
}
private function getMediaThumbnail($sMediaName)
{
$sMediaPath = self::getMediaPath($sMediaName);
$sThumbPath = self::getMediaPath($sMediaName, 'thumbnail');
if(!file_exists($sThumbPath)) {
$sType = self::getMediaType($sMediaName);
switch($sType) {
@@ -236,23 +258,23 @@ class Media extends PhpObject {
'"'.$sTempPath.'"', //output file
));
exec('ffmpeg '.$sParams, $asResult);
//Resize
$asThumbInfo = ToolBox::createThumbnail($sTempPath, self::THUMB_MAX_WIDTH, 0, $sThumbPath, true);
break;
}
}
else $asThumbInfo = array('error'=>'', 'out'=>$sThumbPath);
return ($asThumbInfo['error']=='')?$asThumbInfo['out']:$sMediaPath;
}
private static function getMediaPath($sMediaName, $sFileType='media') {
if($sFileType=='thumbnail') return self::THUMB_FOLDER.$sMediaName.(strtolower(substr($sMediaName, -3))=='mov'?'.png':'');
else return self::MEDIA_FOLDER.$sMediaName;
}
private static function getMediaType($sMediaName) {
$sMediaPath = self::getMediaPath($sMediaName);
$sMediaMime = mime_content_type($sMediaPath);
@@ -260,7 +282,7 @@ class Media extends PhpObject {
case 'video/quicktime': $sType = 'video'; break;
default: $sType = 'image'; break;
}
return $sType;
}
}
}