0a9f8cc155
what is necessary during object creation. The only use of all but one of the arrays we were fetching during version and application construction was in ::delete() so we can just retrieve them there. Speed screenshot class up by only querying for necessary columns, not select *
436 lines
16 KiB
PHP
436 lines
16 KiB
PHP
<?php
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/******************************************/
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/* screenshot class and related functions */
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/******************************************/
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require_once(BASE."include/util.php");
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require_once(BASE."include/image.php");
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// load the watermark
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$watermark = new image("/images/watermark.png");
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/**
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* Screenshot class for handling screenshots and thumbnails
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*/
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class Screenshot {
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var $iScreenshotId;
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var $sDescription;
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var $oScreenshotImage;
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var $oThumbnailImage;
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var $bQueued;
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var $iVersionId;
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var $iAppId;
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var $sUrl;
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var $sSubmitTime;
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var $iSubmitterId;
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/**
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* Constructor, fetches the data and image objects if $iScreenshotId is given.
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*/
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function Screenshot($iScreenshotId = null)
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{
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// we are working on an existing screenshot
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if(is_numeric($iScreenshotId))
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{
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$hResult = query_parameters("SELECT appData.*, appVersion.appId AS appId
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FROM appData, appVersion
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WHERE appData.versionId = appVersion.versionId
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AND id = '?'
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AND type = 'image'", $iScreenshotId);
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if($hResult)
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{
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$oRow = mysql_fetch_object($hResult);
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$this->iScreenshotId = $iScreenshotId;
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$this->sDescription = $oRow->description;
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$this->oScreenshotImage = new Image("/data/screenshots/".$oRow->url);
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$this->oThumbnailImage = new Image("/data/screenshots/thumbnails/".$oRow->url);
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$this->iAppId = $oRow->appId;
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$this->iVersionId = $oRow->versionId;
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$this->sUrl = $oRow->url;
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$this->bQueued = ($oRow->queued=="true")?true:false;
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$this->sSubmitTime = $oRow->submitTime;
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$this->iSubmitterId = $oRow->submitterId;
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}
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}
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}
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/**
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* Creates a new screenshot.
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*/
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function create($iVersionId = null, $sDescription = null, $hFile = null)
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{
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$oVersion = new Version($iVersionId);
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// Security, if we are not an administrator or a maintainer, the screenshot must be queued.
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if(!($_SESSION['current']->hasPriv("admin") || $_SESSION['current']->isMaintainer($oVersion->iVersionId) || $_SESSION['current']->isSuperMaintainer($oVersion->iAppId)))
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{
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$this->bQueued = true;
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} else
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{
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$this->bQueued = false;
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}
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$hResult = query_parameters("INSERT INTO appData (versionId, type, description, queued, submitterId) ".
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"VALUES('?', '?', '?', '?', '?')",
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$iVersionId, "image", $sDescription, $this->bQueued?"true":"false",
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$_SESSION['current']->iUserId);
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if($hResult)
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{
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$this->iScreenshotId = mysql_insert_id();
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/* make sure we supply the full path to move_uploaded_file() */
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$moveToPath = appdb_fullpath("data/screenshots/originals/").$this->iScreenshotId;
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if(!move_uploaded_file($hFile['tmp_name'], $moveToPath))
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{
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// whoops, moving failed, do something
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addmsg("Unable to move screenshot from '".$hFile['tmp_name']."' to '".$moveToPath."'", "red");
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$sQuery = "DELETE
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FROM appData
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WHERE id = '?'";
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query_parameters($sQuery, $this->iScreenshotId);
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return false;
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} else // we managed to copy the file, now we have to process the image
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{
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$this->sUrl = $this->iScreenshotId;
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if($this->generate())
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{
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// we have to update the entry now that we know its name
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$sQuery = "UPDATE appData
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SET url = '?'
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WHERE id = '?'";
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if (!query_parameters($sQuery, $this->iScreenshotId, $this->iScreenshotId)) return false;
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} else
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{
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addmsg("Unable to generate image or thumbnail. The file format might not be recognized. Please use PNG or JPEG only.","red");
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$sQuery = "DELETE
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FROM appData
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WHERE id = '?'";
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query_parameters($sQuery, $this->iScreenshotId);
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return false;
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}
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}
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$this->screenshot($this->iScreenshotId,$this->bQueued);
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$this->mailMaintainers();
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return true;
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}
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else
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{
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addmsg("Error while creating a new screenshot.", "red");
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return false;
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}
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}
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/**
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* Deletes the screenshot from the database.
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* and request its deletion from the filesystem (including the thumbnail).
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*/
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function delete($bSilent=false)
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{
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/* the user object should delete the app data entry */
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/* we can perform better permissions checking there */
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if($_SESSION['current']->deleteAppData($this->iScreenshotId))
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{
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$this->oScreenshotImage->delete();
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$this->oThumbnailImage->delete();
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unlink(appdb_fullpath("/data/screenshots/originals/".$this->iScreenshotId));
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if(!$bSilent)
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$this->mailMaintainers(true);
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}
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if($this->iSubmitterId)
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{
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$this->mailSubmitter(true);
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}
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}
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/**
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* Move screenshot out of the queue.
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*/
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function unQueue()
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{
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// If we are not in the queue, we can't move the screenshot out of the queue.
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if(!$this->bQueued)
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return false;
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if(query_parameters("UPDATE appData SET queued = '?' WHERE id='?'",
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"false", $this->iScreenshotId))
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{
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$this->bQueued = false;
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// we send an e-mail to intersted people
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$this->mailSubmitter();
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$this->mailMaintainers();
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// the screenshot has been unqueued
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addmsg("The screenshot has been unqueued.", "green");
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}
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}
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/**
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* Cleans up the memory.
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*/
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function free()
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{
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if($this->oScreenshotImage)
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$this->oScreenshotImage->destroy();
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if($this->oThumbnailImage)
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$this->oThumbnailImage->destroy();
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}
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/**
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* Sets the screenshot description.
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*/
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function setDescription($sDescription)
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{
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if($hResult = query_parameters("UPDATE id SET description = '?' WHERE id = '?' AND type = 'image'",
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$sDescription, $this->iScreenshotId))
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$this->sDescription = $sDescription;
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}
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/**
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* This method generates a watermarked screenshot and thumbnail from the original file.
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* Usefull when changing thumbnail, upgrading GD, adding an image, etc.
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* Return false if an image could not be loaded.
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*/
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function generate()
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{
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global $watermark;
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// first we will create the thumbnail
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// load the screenshot
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$this->oThumbnailImage = new Image("/data/screenshots/originals/".$this->sUrl);
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if(!$this->oThumbnailImage->isLoaded())
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{
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$this->oThumbnailImage->delete(); // if we cannot load the original file we delete it from the filesystem
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return false;
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}
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$this->oThumbnailImage->make_thumb(0,0,1,'#000000');
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// store the image
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$this->oThumbnailImage->output_to_file(appdb_fullpath("/data/screenshots/thumbnails/".$this->sUrl));
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// now we'll process the screenshot image for watermarking
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// load the screenshot
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$this->oScreenshotImage = new Image("/data/screenshots/originals/".$this->sUrl);
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if(!$this->oScreenshotImage->isLoaded()) return false;
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// resize the image
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$this->oScreenshotImage->make_full();
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// store the resized image
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$this->oScreenshotImage->output_to_file(appdb_fullpath("/data/screenshots/".$this->sUrl));
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// reload the resized screenshot
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$this->oScreenshotImage = new Image("/data/screenshots/".$this->sUrl);
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if(!$this->oScreenshotImage->isLoaded()) return false;
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// add the watermark to the screenshot
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$this->oScreenshotImage->add_watermark($watermark->get_image_resource());
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// store the watermarked image
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$this->oScreenshotImage->output_to_file(appdb_fullpath("/data/screenshots/".$this->sUrl));
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return true;
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}
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function mailSubmitter($bRejected=false)
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{
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$aClean = array(); //array of filtered user input
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$aClean['replyText'] = makeSafe($_REQUEST['replyText']);
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if($this->iSubmitterId)
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{
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$sAppName = Application::lookup_name($this->iAppId)." ".Version::lookup_name($this->iVersionId);
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$oSubmitter = new User($this->iSubmitterId);
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if(!$bRejected)
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{
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$sSubject = "Submitted screenshot accepted";
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$sMsg = "The screenshot you submitted for ".$sAppName." has been accepted.";
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} else
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{
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$sSubject = "Submitted screenshot rejected";
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$sMsg = "The screenshot you submitted for ".$sAppName." has been rejected.";
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}
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$sMsg .= $aClean['replyText']."\n";
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$sMsg .= "We appreciate your help in making the Application Database better for all users.";
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mail_appdb($oSubmitter->sEmail, $sSubject ,$sMsg);
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}
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}
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function mailMaintainers($bDeleted=false)
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{
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$sAppName = Application::lookup_name($this->iAppId)." ".Version::lookup_name($this->iVersionId);
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if(!$bDeleted)
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{
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if(!$this->bQueued)
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{
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$sSubject = "Screenshot for ".$sAppName." added by ".$_SESSION['current']->sRealname;
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$sMsg = APPDB_ROOT."appview.php?iVersionId=".$this->iVersionId."\n";
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if($this->iSubmitterId)
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{
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$oSubmitter = new User($this->iSubmitterId);
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$sMsg .= "This screenshot has been submitted by ".$oSubmitter->sRealname.".";
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$sMsg .= "\n";
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}
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addmsg("The screenshot was successfully added into the database.", "green");
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} else // Screenshot queued.
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{
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$sSubject = "Screenshot for ".$sAppName." submitted by ".$_SESSION['current']->sRealname;
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$sMsg = APPDB_ROOT."appview.php?iVersionId=".$this->iVersionId."\n";
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$sMsg .= "This screenshot has been queued.";
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$sMsg .= "\n";
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addmsg("The screenshot you submitted will be added to the database database after being reviewed.", "green");
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}
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} else // Screenshot deleted.
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{
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$sSubject = "Screenshot for ".$sAppName." deleted by ".$_SESSION['current']->sRealname;
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$sMsg = APPDB_ROOT."appview.php?iVersionId=".$this->iVersionId."\n";
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addmsg("Screenshot deleted.", "green");
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}
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$sEmail = User::get_notify_email_address_list(null, $this->iVersionId);
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if($sEmail)
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mail_appdb($sEmail, $sSubject ,$sMsg);
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}
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}
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/*
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* Screenshot functions that are not part of the class
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*/
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/**
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* Get a random image for a particular version of an app.
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* If the version is not set, get a random app image
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*
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* $bFormatting == false turns off all extranious formatting applied to the returned image html
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*/
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function get_screenshot_img($iAppId = null, $iVersionId = null,
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$bFormatting = true)
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{
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// we want a random screenshots for this app
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if($iAppId && !$iVersionId)
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{
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$hResult = query_parameters("SELECT appData.id, appData.description, RAND() AS rand
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FROM appData, appVersion
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WHERE appData.versionId = appVersion.versionId
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AND appVersion.appId = '?'
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AND type = 'image'
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AND appData.queued = 'false'
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ORDER BY rand", $iAppId);
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} else if ($iVersionId) // we want a random screenshot for this version
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{
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$hResult = query_parameters("SELECT id, description, RAND() AS rand
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FROM appData
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WHERE versionId = '?'
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AND type = 'image'
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AND queued = 'false'
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ORDER BY rand", $iVersionId);
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}
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if($bFormatting)
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$sImgFile .= '<center>';
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if(!$hResult || !mysql_num_rows($hResult))
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{
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$sImgFile = '<img src="images/no_screenshot.png" alt="No Screenshot" />';
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} else
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{
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$oRow = mysql_fetch_object($hResult);
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$sImgFile = '<img src="appimage.php?bThumbnail=true&iId='.$oRow->id.'" alt="'.$oRow->description.'" />';
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}
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if($bFormatting)
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$sImgFile .= '</center>';
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if($bFormatting)
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$sImg = html_frame_start("",'128','',2);
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/* we have screenshots */
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if(mysql_num_rows($hResult))
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{
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if($iVersionId)
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$sImg .= "<a href='screenshots.php?iAppId=$iAppId&iVersionId=$iVersionId'>$sImgFile<center>View/Submit Screenshot</center></a>";
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else
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$sImg .= "<a href='screenshots.php?iAppId=$iAppId&iVersionId=$iVersionId'>$sImgFile<center>View Screenshot</center></a>";
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} else if($iVersionId) /* we are asking for a specific app version but it has no screenshots */
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{
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$sImg .= "<a href='screenshots.php?iAppId=$iAppId&iVersionId=$iVersionId'>$sImgFile<center>Submit Screenshot</center></a>";
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} else /* we have no screenshots and we aren't a specific version, we don't allow adding screenshots for an app */
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{
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$sImg .= $sImgFile;
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}
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if($bFormatting)
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$sImg .= html_frame_end()."<br />";
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return $sImg;
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}
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function get_screenshots($iAppId = null, $iVersionId = null, $bQueued = "false")
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{
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/*
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* We want all screenshots for this app.
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*/
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if($iAppId && !$iVersionId)
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{
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$hResult = query_parameters("SELECT appData.*, appVersion.appId as appId
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FROM appData, appVersion
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WHERE appVersion.versionId = appData.versionId
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AND type = 'image'
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AND appVersion.appId = '?'
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AND appData.queued = '?'", $iAppId, $bQueued);
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}
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/*
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* We want all screenshots for this version.
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*/
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else if ($iVersionId)
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{
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$hResult = query_parameters("SELECT appData.*, appVersion.appId as appId
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FROM appData, appVersion
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WHERE appVersion.versionId = appData.versionId
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AND type = 'image'
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AND appData.versionId = '?'
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AND appData.queued = '?'", $iVersionId, $bQueued);
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} else
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{
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return false;
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}
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return $hResult;
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}
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function get_thumbnail($id)
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{
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$oScreenshot = new Screenshot($id);
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// generate random tag for popup window
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$randName = User::generate_passwd(5);
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// set img tag
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$imgSRC = '<img src="'.apidb_fullurl("appimage.php").
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'?bThumbnail=true&iId='.$id.'" alt="'.$oScreenshot->sDescription.
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'" width="'.$oScreenshot->oThumbnailImage->get_width().
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'" height="'.$oScreenshot->oThumbnailImage->get_height().'">';
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$img = '<a href="'.apidb_fullurl("appimage.php").
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'?iId='.$id.
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'" onclick="javascript:openWin(\''.apidb_fullurl("appimage.php").
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'?iId='.$id.'\',\''.$randName.'\','.
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($oScreenshot->oScreenshotImage->get_width() + 20).','.
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($oScreenshot->oScreenshotImage->get_height() + 6).
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');return false;">'.$imgSRC.'</a>';
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// set image link based on user pref
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if ($_SESSION['current']->isLoggedIn())
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{
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if ($_SESSION['current']->getpref("window:screenshot") == "no")
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{
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$img = '<a href="'.apidb_fullurl("appimage.php").
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'?iImageId='.$id.'">'.$imgSRC.'</a>';
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}
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}
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return $img;
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}
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?>
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