silverstripe-dms/code/DMSDocument.php
Stephen Shkardoon 0d9f011ea9 Merge pull request #33 from ajshort/pull-1
Extend content controller to make sure the correct stage is used.
2013-10-03 22:11:13 -07:00

950 lines
31 KiB
PHP
Executable File

<?php
class DMSDocument extends DataObject implements DMSDocumentInterface {
private static $db = array(
"Filename" => "Varchar(255)", // eg. 3469~2011-energysaving-report.pdf
"Folder" => "Varchar(255)", // eg. 0
"Title" => 'Varchar(1024)', // eg. "Energy Saving Report for Year 2011, New Zealand LandCorp"
"Description" => 'Text',
"ViewCount" => 'Int',
"LastChanged" => 'SS_DateTime', //when this document's file was created or last replaced (small changes like updating title don't count)
"EmbargoedIndefinitely" => 'Boolean(false)',
"EmbargoedUntilPublished" => 'Boolean(false)',
"EmbargoedUntilDate" => 'SS_DateTime',
"ExpireAtDate" => 'SS_DateTime'
);
private static $many_many = array(
'Pages' => 'SiteTree',
'Tags' => 'DMSTag'
);
private static $many_many_extraFields = array(
'Pages' => array(
'DocumentSort' => 'Int'
),
);
private static $display_fields = array(
'ID'=>'ID',
'Title'=>'Title',
'FilenameWithoutID'=>'Filename',
'LastChanged'=>'LastChanged'
);
private static $singular_name = 'Document';
private static $plural_name = 'Documents';
public function canView($member = null) {
if($member == null) $member = Member::currentUser();
if($member->ID){
return true;
}
}
public function canEdit($member = null) {
return $this->canView();
}
public function canCreate($member = null) {
return $this->canView();
}
public function canDelete($member = null) {
return $this->canView();
}
/**
* Associates this document with a Page. This method does nothing if the association already exists.
* This could be a simple wrapper around $myDoc->Pages()->add($myPage) to add a many_many relation
* @param $pageObject Page object to associate this Document with
* @return null
*/
function addPage($pageObject) {
$this->Pages()->add($pageObject);
DB::query("UPDATE \"DMSDocument_Pages\" SET \"DocumentSort\"=\"DocumentSort\"+1 WHERE \"SiteTreeID\" = $pageObject->ID");
}
/**
* Associates this DMSDocument with a set of Pages. This method loops through a set of page ids, and then associates this
* DMSDocument with the individual Page with the each page id in the set
* @abstract
* @param $pageIDs array of page ids used for the page objects associate this DMSDocument with
* @return null
*/
function addPages($pageIDs){
foreach($pageIDs as $id){
$pageObject = DataObject::get_by_id("SiteTree", $id);
if($pageObject && $pageObject->exists()) {
$this->addPage($pageObject);
}
}
}
/**
* Removes the association between this Document and a Page. This method does nothing if the association does not exist.
* @param $pageObject Page object to remove the association to
* @return mixed
*/
function removePage($pageObject) {
$this->Pages()->remove($pageObject);
}
function Pages() {
$pages = $this->getManyManyComponents('Pages');
$this->extend('updatePages', $pages);
return $pages;
}
/**
* Returns a list of the Page objects associated with this Document
* @return DataList
*/
function getPages() {
return $this->Pages();
}
/**
* Removes all associated Pages from the DMSDocument
* @return null
*/
function removeAllPages() {
$this->Pages()->removeAll();
}
/**
* increase ViewCount by 1, without update any other record fields such as LastEdited
*/
function trackView(){
if ($this->ID > 0) {
$count = $this->ViewCount + 1;
DB::query("UPDATE \"DMSDocument\" SET \"ViewCount\"='$count' WHERE \"ID\"={$this->ID}");
}
}
/**
* Adds a metadata tag to the Document. The tag has a category and a value.
* Each category can have multiple values by default. So: addTag("fruit","banana") addTag("fruit", "apple") will add two items.
* However, if the third parameter $multiValue is set to 'false', then all updates to a category only ever update a single value. So:
* addTag("fruit","banana") addTag("fruit", "apple") would result in a single metadata tag: fruit->apple.
* Can could be implemented as a key/value store table (although it is more like category/value, because the
* same category can occur multiple times)
* @param $category String of a metadata category to add (required)
* @param $value String of a metadata value to add (required)
* @param bool $multiValue Boolean that determines if the category is multi-value or single-value (optional)
* @return null
*/
function addTag($category, $value, $multiValue = true) {
if ($multiValue) {
//check for a duplicate tag, don't add the duplicate
$currentTag = $this->Tags()->filter(array('Category' => $category, 'Value' => $value));
if ($currentTag->Count() == 0) {
//multi value tag
$tag = new DMSTag();
$tag->Category = $category;
$tag->Value = $value;
$tag->MultiValue = true;
$tag->write();
$tag->Documents()->add($this);
} else {
//add the relation between the tag and document
foreach($currentTag as $tagObj) {
$tagObj->Documents()->add($this);
}
}
} else {
//single value tag
$currentTag = $this->Tags()->filter(array('Category' => $category));
$tag = null;
if ($currentTag->Count() == 0) {
//create the single-value tag
$tag = new DMSTag();
$tag->Category = $category;
$tag->Value = $value;
$tag->MultiValue = false;
$tag->write();
} else {
//update the single value tag
$tag = $currentTag->first();
$tag->Value = $value;
$tag->MultiValue = false;
$tag->write();
}
//regardless of whether we created a new tag or are just updating an existing one, add the relation
$tag->Documents()->add($this);
}
}
protected function getTagsObjects($category, $value = null) {
$valueFilter = array("Category" => $category);
if (!empty($value)) $valueFilter['Value'] = $value;
$tags = $this->Tags()->filter($valueFilter);
return $tags;
}
/**
* Fetches all tags associated with this DMSDocument within a given category. If a value is specified this method
* tries to fetch that specific tag.
* @abstract
* @param $category String of the metadata category to get
* @param null $value String of the value of the tag to get
* @return array of Strings of all the tags or null if there is no match found
*/
function getTagsList($category, $value = null) {
$tags = $this->getTagsObjects($category, $value);
//convert DataList into array of Values
$returnArray = null;
if ($tags->Count() > 0) {
$returnArray = array();
foreach($tags as $t) {
$returnArray[] = $t->Value;
}
}
return $returnArray;
}
/**
* Removes a tag from the Document. If you only set a category, then all values in that category are deleted.
* If you specify both a category and a value, then only that single category/value pair is deleted.
* Nothing happens if the category or the value do not exist.
* @param $category Category to remove (required)
* @param null $value Value to remove (optional)
* @return null
*/
function removeTag($category, $value = null) {
$tags = $this->getTagsObjects($category, $value);
if ($tags->Count() > 0) {
foreach($tags as $t) {
$documentList = $t->Documents();
//remove the relation between the tag and the document
$documentList->remove($this);
//delete the entire tag if it has no relations left
if ($documentList->Count() == 0) $t->delete();
}
}
}
/**
* Deletes all tags associated with this Document.
* @return null
*/
function removeAllTags() {
$allTags = $this->Tags();
foreach($allTags as $tag) {
$documentlist = $tag->Documents();
$documentlist->remove($this);
if ($tag->Documents()->Count() == 0) $tag->delete();
}
}
/**
* Returns a multi-dimensional array containing all Tags associated with this Document. The array has the
* following structure:
* $twoDimensionalArray = new array(
* array('fruit','banana'),
* array('fruit','apple')
* );
* @return array Multi-dimensional array of tags
*/
function getAllTags() {
// TODO: Implement getAllTags() method.
}
/**
* Returns a link to download this document from the DMS store
* @return String
*/
function getLink() {
return Controller::join_links(Director::baseURL(),'dmsdocument/'.$this->ID);
}
/**
* The dummy function for the {@see:getLink()}
* RSSFeed need the data object to have a function called Link()
*/
function Link(){
return $this->getLink();
}
/**
* Hides the document, so it does not show up when getByPage($myPage) is called
* (without specifying the $showEmbargoed = true parameter). This is similar to expire, except that this method
* should be used to hide documents that have not yet gone live.
* @return null
*/
function embargoIndefinitely($write = true) {
$this->EmbargoedIndefinitely = true;
if ($write) $this->write();
}
/**
* Hides the document until any page it is linked to is published
* @return null
*/
function embargoUntilPublished($write = true) {
$this->EmbargoedUntilPublished = true;
if ($write) $this->write();
}
/**
* Returns if this is Document is embargoed or expired.
* Also, returns if the document should be displayed on the front-end. Respecting the current reading mode
* of the site and the embargo status.
* I.e. if a document is embargoed until published, then it should still show up in draft mode.
* @return bool True or False depending on whether this document is embargoed
*/
function isHidden() {
$hidden = $this->isEmbargoed() || $this->isExpired();
$readingMode = Versioned::get_reading_mode();
if ($readingMode == "Stage.Stage" && $this->EmbargoedUntilPublished == true) $hidden = false;
return $hidden;
}
/**
* Returns if this is Document is embargoed.
* @return bool True or False depending on whether this document is embargoed
*/
function isEmbargoed() {
if (is_object($this->EmbargoedUntilDate)) $this->EmbargoedUntilDate = $this->EmbargoedUntilDate->Value;
$embargoed = false;
if ($this->EmbargoedIndefinitely) $embargoed = true;
elseif ($this->EmbargoedUntilPublished) $embargoed = true;
elseif (!empty($this->EmbargoedUntilDate) && SS_Datetime::now()->Value < $this->EmbargoedUntilDate) $embargoed = true;
return $embargoed;
}
/**
* Hides the document, so it does not show up when getByPage($myPage) is called. Automatically un-hides the
* Document at a specific date.
* @param $datetime String date time value when this Document should expire
* @return null
*/
function embargoUntilDate($datetime, $write = true) {
$this->EmbargoedUntilDate = DBField::create_field('SS_Datetime', $datetime)->Format('Y-m-d H:i:s');
if ($write) $this->write();
}
/**
* Clears any previously set embargos, so the Document always shows up in all queries.
* @return null
*/
function clearEmbargo($write = true) {
$this->EmbargoedIndefinitely = false;
$this->EmbargoedUntilPublished = false;
$this->EmbargoedUntilDate = null;
if ($write) $this->write();
}
/**
* Returns if this is Document is expired.
* @return bool True or False depending on whether this document is expired
*/
function isExpired() {
if (is_object($this->ExpireAtDate)) $this->ExpireAtDate = $this->ExpireAtDate->Value;
$expired = false;
if (!empty($this->ExpireAtDate) && SS_Datetime::now()->Value >= $this->ExpireAtDate) $expired = true;
return $expired;
}
/**
* Hides the document at a specific date, so it does not show up when getByPage($myPage) is called.
* @param $datetime String date time value when this Document should expire
* @return null
*/
function expireAtDate($datetime, $write = true) {
$this->ExpireAtDate = DBField::create_field('SS_Datetime', $datetime)->Format('Y-m-d H:i:s');
if ($write) $this->write();
}
/**
* Clears any previously set expiry.
* @return null
*/
function clearExpiry($write = true) {
$this->ExpireAtDate = null;
if ($write) $this->write();
}
/**
* Returns a DataList of all previous Versions of this document (check the LastEdited date of each
* object to find the correct one)
* @return DataList List of Document objects
*/
function getVersions() {
if (!DMSDocument_versions::$enable_versions) user_error("DMSDocument versions are disabled",E_USER_WARNING);
return DMSDocument_versions::get_versions($this);
}
/**
* Returns the full filename of the document stored in this object
* @return string
*/
function getFullPath() {
if($this->Filename) {
return DMS::get_dms_path() . DIRECTORY_SEPARATOR . $this->Folder . DIRECTORY_SEPARATOR . $this->Filename;
} else {
return false;
}
}
/**
* Deletes the DMSDocument, its underlying file, as well as any tags related to this DMSDocument. Also calls the
* parent DataObject's delete method.
*/
function delete() {
//remove tags
$this->removeAllTags();
//delete the file (and previous versions of files)
$filesToDelete = array();
$storageFolder = DMS::get_dms_path() . DIRECTORY_SEPARATOR . DMS::get_storage_folder($this->ID);
if (file_exists($storageFolder)) {
if ($handle = opendir($storageFolder)) { //Open directory
//List files in the directory
while (false !== ($entry = readdir($handle))) { //only delete if filename starts the the relevant ID
if(strpos($entry,$this->ID.'~') === 0) $filesToDelete[] = $entry;
}
closedir($handle);
//delete all this files that have the id of this document
foreach($filesToDelete as $file) {
$filePath = $storageFolder .DIRECTORY_SEPARATOR . $file;
if (is_file($filePath)) unlink($filePath);
}
}
}
$this->removeAllPages();
//get rid of any versions have saved for this DMSDocument, too
if (DMSDocument_versions::$enable_versions) {
$versions = $this->getVersions();
if ($versions->Count() > 0) {
foreach($versions as $v) {
$v->delete();
}
}
}
//delete the dataobject
parent::delete();
}
/**
* Relate an existing file on the filesystem to the document.
* Copies the file to the new destination, as defined in {@link get_DMS_path()}.
*
* @param String Path to file, relative to webroot.
*/
function storeDocument($filePath) {
if (empty($this->ID)) user_error("Document must be written to database before it can store documents",E_USER_ERROR);
//calculate all the path to copy the file to
$fromFilename = basename($filePath);
$toFilename = $this->ID. '~' . $fromFilename; //add the docID to the start of the Filename
$toFolder = DMS::get_storage_folder($this->ID);
$toPath = DMS::get_dms_path() . DIRECTORY_SEPARATOR . $toFolder . DIRECTORY_SEPARATOR . $toFilename;
DMS::create_storage_folder(DMS::get_dms_path() . DIRECTORY_SEPARATOR . $toFolder);
//copy the file into place
$fromPath = BASE_PATH . DIRECTORY_SEPARATOR . $filePath;
//version the existing file (copy it to a new "very specific" filename
if (DMSDocument_versions::$enable_versions) {
DMSDocument_versions::create_version($this);
} else { //otherwise delete the old document file
$oldPath = $this->getFullPath();
if (file_exists($oldPath)) unlink($oldPath);
}
copy($fromPath, $toPath); //this will overwrite the existing file (if present)
//write the filename of the stored document
$this->Filename = $toFilename;
$this->Folder = $toFolder;
$extension = pathinfo($this->Filename, PATHINFO_EXTENSION);
if (empty($this->Title)) $this->Title = basename($filePath,'.'.$extension); //don't overwrite existing document titles
$this->LastChanged = SS_Datetime::now()->Rfc2822();
$this->write();
return $this;
}
/**
* Takes a File object or a String (path to a file) and copies it into the DMS, replacing the original document file
* but keeping the rest of the document unchanged.
* @param $file File object, or String that is path to a file to store
* @return DMSDocumentInstance Document object that we replaced the file in
*/
function replaceDocument($file) {
$filePath = DMS::transform_file_to_file_path($file);
$doc = $this->storeDocument($filePath); //replace the document
return $doc;
}
/**
* Return the type of file for the given extension
* on the current file name.
*
* @return string
*/
static function get_file_type($ext) {
$types = array(
'gif' => 'GIF image - good for diagrams',
'jpg' => 'JPEG image - good for photos',
'jpeg' => 'JPEG image - good for photos',
'png' => 'PNG image - good general-purpose format',
'ico' => 'Icon image',
'tiff' => 'Tagged image format',
'doc' => 'Word document',
'xls' => 'Excel spreadsheet',
'zip' => 'ZIP compressed file',
'gz' => 'GZIP compressed file',
'dmg' => 'Apple disk image',
'pdf' => 'Adobe Acrobat PDF file',
'mp3' => 'MP3 audio file',
'wav' => 'WAV audo file',
'avi' => 'AVI video file',
'mpg' => 'MPEG video file',
'mpeg' => 'MPEG video file',
'js' => 'Javascript file',
'css' => 'CSS file',
'html' => 'HTML file',
'htm' => 'HTML file'
);
return isset($types[$ext]) ? $types[$ext] : $ext;
}
function getFilenameWithoutID() {
$filenameParts = explode('~',$this->Filename);
$filename = array_pop($filenameParts);
return $filename;
}
/**
* Returns the Description field with HTML <br> tags added when there is a line break
* @return string Description
*/
function getDescriptionWithLineBreak() {
return nl2br($this->getField('Description'));
}
function getCMSFields() {
//include JS to handling showing and hiding of bottom "action" tabs
Requirements::javascript(DMS_DIR.'/javascript/DMSDocumentCMSFields.js');
Requirements::css(DMS_DIR.'/css/DMSDocumentCMSFields.css');
$fields = new FieldList(); //don't use the automatic scaffolding, it is slow and unnecessary here
$extraTasks = ''; //additional text to inject into the list of tasks at the bottom of a DMSDocument CMSfield
$extraFields = FormField::create('Empty');
//get list of shortcode page relations
$relationFinder = new ShortCodeRelationFinder();
$relationList = $relationFinder->getList($this->ID);
$fieldsTop = $this->getFieldsForFile($relationList->count());
$fields->add($fieldsTop);
$fields->add(new TextField('Title','Title'));
$fields->add(new TextareaField('Description','Description'));
//create upload field to replace document
$uploadField = new DMSUploadField('ReplaceFile', 'Replace file');
$uploadField->setConfig('allowedMaxFileNumber', 1);
$uploadField->setConfig('downloadTemplateName', 'ss-dmsuploadfield-downloadtemplate');
$uploadField->setRecord($this);
$gridFieldConfig = GridFieldConfig::create()->addComponents(
new GridFieldToolbarHeader(),
new GridFieldSortableHeader(),
new GridFieldDataColumns(),
new GridFieldPaginator(30),
//new GridFieldEditButton(),
new GridFieldDetailForm()
);
$gridFieldConfig->getComponentByType('GridFieldDataColumns')
->setDisplayFields(array(
'Title'=>'Title',
'ClassName'=>'Page Type',
'ID'=>'Page ID'
))
->setFieldFormatting(array(
'Title'=>sprintf(
'<a class=\"cms-panel-link\" href=\"%s/$ID\">$Title</a>',
singleton('CMSPageEditController')->Link('show')
)
));
$pagesGrid = GridField::create(
'Pages',
_t('DMSDocument.RelatedPages', 'Related Pages'),
$this->Pages(),
$gridFieldConfig
);
$referencesGrid = GridField::create(
'References',
_t('DMSDocument.RelatedReferences', 'Related References'),
$relationList,
$gridFieldConfig
);
if (DMSDocument_versions::$enable_versions) {
$versionsGridFieldConfig = GridFieldConfig::create()->addComponents(
new GridFieldToolbarHeader(),
new GridFieldSortableHeader(),
new GridFieldDataColumns(),
new GridFieldPaginator(30)
);
$versionsGridFieldConfig->getComponentByType('GridFieldDataColumns')->setDisplayFields(Config::inst()->get('DMSDocument_versions', 'display_fields'))
->setFieldCasting(array('LastChanged'=>"Datetime->Ago"))
->setFieldFormatting(array('FilenameWithoutID'=>'<a target=\'_blank\' class=\'file-url\' href=\'$Link\'>$FilenameWithoutID</a>'));
$versionsGrid = GridField::create(
'Versions',
_t('DMSDocument.Versions', 'Versions'),
$this->getVersions(),
$versionsGridFieldConfig
);
$extraTasks .= '<li class="ss-ui-button" data-panel="find-versions">Versions</li>';
$extraFields = $versionsGrid->addExtraClass('find-versions');
}
$fields->add(new LiteralField('BottomTaskSelection',
'<div id="Actions" class="field actions"><label class="left">Actions</label><ul>'.
'<li class="ss-ui-button" data-panel="embargo">Embargo</li>'.
'<li class="ss-ui-button" data-panel="expiry">Expiry</li>'.
'<li class="ss-ui-button" data-panel="replace">Replace</li>'.
'<li class="ss-ui-button" data-panel="find-usage">Usage</li>'.
'<li class="ss-ui-button" data-panel="find-references">References</li>'.
$extraTasks.
'</ul></div>'));
$embargoValue = 'None';
if ($this->EmbargoedIndefinitely) $embargoValue = 'Indefinitely';
elseif ($this->EmbargoedUntilPublished) $embargoValue = 'Published';
elseif (!empty($this->EmbargoedUntilDate)) $embargoValue = 'Date';
$embargo = new OptionsetField('Embargo','Embargo',array('None'=>'None','Published'=>'Hide document until page is published','Indefinitely'=>'Hide document indefinitely','Date'=>'Hide until set date'),$embargoValue);
$embargoDatetime = DatetimeField::create('EmbargoedUntilDate','');
$embargoDatetime->getDateField()->setConfig('showcalendar', true)->setConfig('dateformat', 'dd-MM-yyyy')->setConfig('datavalueformat', 'dd-MM-yyyy');
$expiryValue = 'None';
if (!empty($this->ExpireAtDate)) $expiryValue = 'Date';
$expiry = new OptionsetField('Expiry','Expiry',array('None'=>'None','Date'=>'Set document to expire on'),$expiryValue);
$expiryDatetime = DatetimeField::create('ExpireAtDate','');
$expiryDatetime->getDateField()->setConfig('showcalendar', true)->setConfig('dateformat', 'dd-MM-yyyy')->setConfig('datavalueformat', 'dd-MM-yyyy');
// This adds all the actions details into a group.
// Embargo, History, etc to go in here
// These are toggled on and off via the Actions Buttons above
$fields->add(FieldGroup::create(
FieldGroup::create(
$embargo,
$embargoDatetime
)->addExtraClass('embargo'),
FieldGroup::create(
$expiry,
$expiryDatetime
)->addExtraClass('expiry'),
$uploadField->addExtraClass('replace'),
$pagesGrid->addExtraClass('find-usage'),
$referencesGrid->addExtraClass('find-references'),
$extraFields
)->setName("ActionsPanel")->addExtraClass('dmsupload ss-uploadfield'));
$this->extend('updateCMSFields', $fields);
return $fields;
}
function onBeforeWrite() {
parent::onBeforeWrite();
if (isset($this->Embargo)) {
//set the embargo options from the OptionSetField created in the getCMSFields method
//do not write after clearing the embargo (write happens automatically)
$savedDate = $this->EmbargoedUntilDate;
$this->clearEmbargo(false); //clear all previous settings and re-apply them on save
if ($this->Embargo == 'Published') $this->embargoUntilPublished(false);
if ($this->Embargo == 'Indefinitely') $this->embargoIndefinitely(false);
if ($this->Embargo == 'Date') $this->embargoUntilDate($savedDate, false);
}
if (isset($this->Expiry)) {
if ($this->Expiry == 'Date') $this->expireAtDate($this->ExpireAtDate, false);
else $this->clearExpiry(false); //clear all previous settings
}
}
/**
* Return the relative URL of an icon for the file type,
* based on the {@link appCategory()} value.
* Images are searched for in "dms/images/app_icons/".
*
* @return String
*/
function Icon($ext) {
if(!Director::fileExists(DMS_DIR."/images/app_icons/{$ext}_32.png")) {
$ext = File::get_app_category($ext);
}
if(!Director::fileExists(DMS_DIR."/images/app_icons/{$ext}_32.png")) {
$ext = "generic";
}
return DMS_DIR."/images/app_icons/{$ext}_32.png";
}
/**
* Return the extension of the file associated with the document
*/
function getExtension() {
return strtolower(pathinfo($this->Filename, PATHINFO_EXTENSION));
}
function getSize() {
$size = $this->getAbsoluteSize();
return ($size) ? File::format_size($size) : false;
}
/**
* Return the size of the file associated with the document
*/
function getAbsoluteSize() {
return file_exists($this->getFullPath()) ? filesize($this->getFullPath()) : null;
}
/**
* An alias to DMSDocument::getSize()
*/
function getFileSizeFormatted(){
return $this->getSize();
}
/**
* @return FieldList
*/
protected function getFieldsForFile($relationListCount) {
$extension = $this->getExtension();
$previewField = new LiteralField("ImageFull",
"<img id='thumbnailImage' class='thumbnail-preview' src='{$this->Icon($extension)}?r=" . rand(1,100000) . "' alt='{$this->Title}' />\n"
);
//count the number of pages this document is published on
$publishedOnCount = $this->Pages()->Count();
$publishedOnValue = "$publishedOnCount pages";
if ($publishedOnCount == 1) $publishedOnValue = "$publishedOnCount page";
$relationListCountValue = "$relationListCount pages";
if ($relationListCount == 1) $relationListCountValue = "$relationListCount page";
$fields = new FieldGroup(
$filePreview = CompositeField::create(
CompositeField::create(
$previewField
)->setName("FilePreviewImage")->addExtraClass('cms-file-info-preview'),
CompositeField::create(
CompositeField::create(
new ReadonlyField("ID", "ID number". ':', $this->ID),
new ReadonlyField("FileType", _t('AssetTableField.TYPE','File type') . ':', self::get_file_type($extension)),
new ReadonlyField("Size", _t('AssetTableField.SIZE','File size') . ':', $this->getFileSizeFormatted()),
$urlField = new ReadonlyField('ClickableURL', _t('AssetTableField.URL','URL'),
sprintf('<a href="%s" target="_blank" class="file-url">%s</a>', $this->getLink(), $this->getLink())
),
new ReadonlyField("FilenameWithoutIDField", "Filename". ':', $this->getFilenameWithoutID()),
new DateField_Disabled("Created", _t('AssetTableField.CREATED','First uploaded') . ':', $this->Created),
new DateField_Disabled("LastEdited", _t('AssetTableField.LASTEDIT','Last changed') . ':', $this->LastEdited),
new DateField_Disabled("LastChanged", _t('AssetTableField.LASTCHANGED','Last replaced') . ':', $this->LastChanged),
new ReadonlyField("PublishedOn", "Published on". ':', $publishedOnValue),
new ReadonlyField("ReferencedOn", "Referenced on". ':', $relationListCountValue),
new ReadonlyField("ViewCount", "View count". ':', $this->ViewCount)
)
)->setName("FilePreviewData")->addExtraClass('cms-file-info-data')
)->setName("FilePreview")->addExtraClass('cms-file-info')
);
$fields->setName('FileP');
$urlField->dontEscape = true;
return $fields;
}
/**
* Takes a file and adds it to the DMSDocument storage, replacing the current file.
* @param $file File to ingest
*/
function ingestFile($file) {
$this->replaceDocument($file);
$file->delete();
}
}
class DMSDocument_Controller extends ContentController {
static $testMode = false; //mode to switch for testing. Does not return document download, just document URL
private static $allowed_actions = array(
'index'
);
/**
* Returns the document object from the request object's ID parameter.
* Returns null, if no document found
*/
protected function getDocumentFromID($request) {
$doc = null;
$id = Convert::raw2sql($request->param('ID'));
if (strpos($id, 'version') === 0) { //versioned document
$id = str_replace('version','',$id);
$doc = DataObject::get_by_id('DMSDocument_versions', $id);
$this->extend('updateVersionFromID', $doc, $request);
} else { //normal document
$doc = DataObject::get_by_id('DMSDocument', $id);
$this->extend('updateDocumentFromID', $doc, $request);
}
return $doc;
}
/**
* Access the file download without redirecting user, so we can block direct access to documents.
*/
function index(SS_HTTPRequest $request) {
$doc = $this->getDocumentFromID($request);
if (!empty($doc)) {
$canView = false;
//Runs through all pages that this page links to and sets canView to true if the user can view ONE of these pages
if (method_exists($doc, 'Pages')) {
$pages = $doc->Pages();
if ($pages->Count() > 0) {
foreach($pages as $page) {
if ($page->CanView()) {
$canView = true; //just one canView is enough to know that we can view the file
break;
}
}
} else {
//if the document isn't on any page, then allow viewing of the document (because there is no canView() to consult)
$canView = true;
}
}
// check for embargo or expiry
if ($doc->isHidden()) $canView = false;
//admins can always download any document, even if otherwise hidden
$member = Member::currentUser();
if ($member && Permission::checkMember($member, 'ADMIN')) $canView = true;
if ($canView) {
$path = $doc->getFullPath();
if ( is_file($path) ) {
$fileBin = trim(`whereis file`);
if ( function_exists('finfo_file') ) {
// discover the mime type properly
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime = finfo_file($finfo, $path);
}
else if ( is_executable($fileBin) ) {
// try to use the system tool
$mime = `$fileBin -i -b $path`;
$mime = explode(';', $mime);
$mime = trim($mime[0]);
}
else {
// make do with what we have
$ext = $doc->getExtension();
if ( $ext =='pdf') {
$mime = 'application/pdf';
}elseif ($ext == 'html' || $ext =='htm') {
$mime = 'text/html';
}else {
$mime = 'application/octet-stream';
}
}
if (self::$testMode) return $path;
//if a DMSDocument can be downloaded and all the permissions/privileges has passed,
//its ViewCount should be increased by 1 just before the browser sending the file to front.
$doc->trackView();
header('Content-Type: ' . $mime);
header('Content-Length: ' . filesize($path), null);
if (!empty($mime) && $mime != "text/html") header('Content-Disposition: attachment; filename="'.$doc->getFilenameWithoutID().'"');
header('Content-transfer-encoding: 8bit');
header('Expires: 0');
header('Pragma: cache');
header('Cache-Control: private');
flush();
readfile($path);
exit;
}
}
}
if (self::$testMode) return 'This asset does not exist.';
$this->httpError(404, 'This asset does not exist.');
}
/**
* Handles dms_document_link shortcode
* @return string
*/
public static function dms_link_shortcode_handler($arguments, $content = null, $parser = null) {
$linkText = null;
if (!empty($arguments['id'])) {
$document = DMSDocument::get()->filter(array('ID' => $arguments['id']))->First();
if ($document && !$document->isHidden()) {
if (!empty($content)) {
$linkText = sprintf('<a href="%s">%s</a>', $document->Link(), $parser->parse($content));
} else {
$linkText = $document->Link();
}
}
}
if (empty($linkText)) {
$errorPage = ErrorPage::get()->filter(array('ErrorCode' => '404'))->First();
if ($errorPage) {
$linkText = $errorPage->Link();
}
}
return $linkText;
}
}