663 lines
21 KiB
PHP
663 lines
21 KiB
PHP
<?php
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class DMSDocument extends DataObject implements DMSDocumentInterface {
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static $db = array(
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"Filename" => "Varchar(255)", // eg. 3469~2011-energysaving-report.pdf
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"Folder" => "Varchar(255)", // eg. 0
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"Title" => 'Varchar(1024)', // eg. "Energy Saving Report for Year 2011, New Zealand LandCorp"
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"Description" => 'Text',
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"LastChanged" => 'SS_DateTime' //when this document's file was created or last replaced (small changes like updating title don't count)
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);
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static $many_many = array(
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'Pages' => 'SiteTree',
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'Tags' => 'DMSTag'
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);
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static $display_fields = array(
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'ID'=>'ID',
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'Title'=>'Title',
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'FilenameWithoutID'=>'Filename',
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'LastChanged'=>'LastChanged'
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);
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/**
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* Associates this document with a Page. This method does nothing if the association already exists.
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* This could be a simple wrapper around $myDoc->Pages()->add($myPage) to add a many_many relation
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* @param $pageObject Page object to associate this Document with
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* @return null
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*/
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function addPage($pageObject) {
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$this->Pages()->add($pageObject);
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}
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/**
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* Associates this DMSDocument with a set of Pages. This method loops through a set of page ids, and then associates this
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* DMSDocument with the individual Page with the each page id in the set
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* @abstract
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* @param $pageIDs array of page ids used for the page objects associate this DMSDocument with
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* @return null
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*/
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function addPages($pageIDs){
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foreach($pageIDs as $id){
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$pageObject = DataObject::get_by_id("SiteTree", $id);
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if($pageObject && $pageObject->exists()) {
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$this->addPage($pageObject);
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}
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}
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}
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/**
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* Removes the association between this Document and a Page. This method does nothing if the association does not exist.
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* @param $pageObject Page object to remove the association to
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* @return mixed
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*/
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function removePage($pageObject) {
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$this->Pages()->remove($pageObject);
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}
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/**
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* Returns a list of the Page objects associated with this Document
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* @return DataList
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*/
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function getPages() {
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$this->Pages();
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}
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/**
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* Removes all associated Pages from the DMSDocument
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* @return null
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*/
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function removeAllPages() {
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$this->Pages()->removeAll();
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}
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/**
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* Adds a metadata tag to the Document. The tag has a category and a value.
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* Each category can have multiple values by default. So: addTag("fruit","banana") addTag("fruit", "apple") will add two items.
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* However, if the third parameter $multiValue is set to 'false', then all updates to a category only ever update a single value. So:
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* addTag("fruit","banana") addTag("fruit", "apple") would result in a single metadata tag: fruit->apple.
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* Can could be implemented as a key/value store table (although it is more like category/value, because the
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* same category can occur multiple times)
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* @param $category String of a metadata category to add (required)
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* @param $value String of a metadata value to add (required)
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* @param bool $multiValue Boolean that determines if the category is multi-value or single-value (optional)
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* @return null
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*/
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function addTag($category, $value, $multiValue = true) {
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if ($multiValue) {
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//check for a duplicate tag, don't add the duplicate
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$currentTag = $this->Tags()->filter(array('Category' => $category, 'Value' => $value));
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if ($currentTag->Count() == 0) {
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//multi value tag
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$tag = new DMSTag();
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$tag->Category = $category;
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$tag->Value = $value;
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$tag->MultiValue = true;
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$tag->write();
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$tag->Documents()->add($this);
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} else {
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//add the relation between the tag and document
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foreach($currentTag as $tagObj) {
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$tagObj->Documents()->add($this);
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}
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}
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} else {
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//single value tag
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$currentTag = $this->Tags()->filter(array('Category' => $category));
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$tag = null;
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if ($currentTag->Count() == 0) {
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//create the single-value tag
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$tag = new DMSTag();
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$tag->Category = $category;
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$tag->Value = $value;
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$tag->MultiValue = false;
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$tag->write();
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} else {
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//update the single value tag
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$tag = $currentTag->first();
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$tag->Value = $value;
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$tag->MultiValue = false;
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$tag->write();
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}
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//regardless of whether we created a new tag or are just updating an existing one, add the relation
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$tag->Documents()->add($this);
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}
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}
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protected function getTagsObjects($category, $value = null) {
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$valueFilter = array("Category" => $category);
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if (!empty($value)) $valueFilter['Value'] = $value;
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$tags = $this->Tags()->filter($valueFilter);
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return $tags;
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}
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/**
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* Fetches all tags associated with this DMSDocument within a given category. If a value is specified this method
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* tries to fetch that specific tag.
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* @abstract
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* @param $category String of the metadata category to get
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* @param null $value String of the value of the tag to get
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* @return array of Strings of all the tags or null if there is no match found
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*/
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function getTagsList($category, $value = null) {
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$tags = $this->getTagsObjects($category, $value);
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//convert DataList into array of Values
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$returnArray = null;
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if ($tags->Count() > 0) {
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$returnArray = array();
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foreach($tags as $t) {
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$returnArray[] = $t->Value;
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}
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}
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return $returnArray;
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}
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/**
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* Quick way to add multiple tags to a Document. This takes a multidimensional array of category/value pairs.
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* The array should look like this:
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* $twoDimensionalArray = new array(
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* array('fruit','banana'),
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* array('fruit','apple')
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* );
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* @param $twoDimensionalArray array containing a list of arrays
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* @param bool $multiValue Boolean that determines if the category is multi-value or single-value (optional)
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* @return null
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*/
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function addTags($twoDimensionalArray, $multiValue = true) {
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// TODO: Implement addTags() method.
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}
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/**
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* Removes a tag from the Document. If you only set a category, then all values in that category are deleted.
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* If you specify both a category and a value, then only that single category/value pair is deleted.
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* Nothing happens if the category or the value do not exist.
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* @param $category Category to remove (required)
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* @param null $value Value to remove (optional)
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* @return null
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*/
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function removeTag($category, $value = null) {
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$tags = $this->getTagsObjects($category, $value);
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if ($tags->Count() > 0) {
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foreach($tags as $t) {
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$documentList = $t->Documents();
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//remove the relation between the tag and the document
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$documentList->remove($this);
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//delete the entire tag if it has no relations left
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if ($documentList->Count() == 0) $t->delete();
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}
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}
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}
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/**
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* Deletes all tags associated with this Document.
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* @return null
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*/
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function removeAllTags() {
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$allTags = $this->Tags();
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foreach($allTags as $tag) {
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$documentlist = $tag->Documents();
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$documentlist->remove($this);
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if ($tag->Documents()->Count() == 0) $tag->delete();
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}
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}
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/**
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* Returns a multi-dimensional array containing all Tags associated with this Document. The array has the
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* following structure:
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* $twoDimensionalArray = new array(
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* array('fruit','banana'),
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* array('fruit','apple')
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* );
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* @return array Multi-dimensional array of tags
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*/
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function getAllTags() {
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// TODO: Implement getAllTags() method.
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}
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/**
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* Returns a link to download this document from the DMS store
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* @return String
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*/
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function getDownloadLink() {
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return Controller::join_links(Director::baseURL(),'dmsdocument/'.$this->ID);
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}
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/**
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* Hides the document, so it does not show up when getByPage($myPage) is called
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* (without specifying the $showEmbargoed = true parameter). This is similar to expire, except that this method
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* should be used to hide documents that have not yet gone live.
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* @return null
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*/
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function embargo() {
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// TODO: Implement embargo() method.
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}
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/**
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* Returns if this is Document is embargoed.
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* @return bool True or False depending on whether this document is embargoed
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*/
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function isEmbargoed() {
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// TODO: Implement isEmbargoed() method.
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}
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/**
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* Hides the document, so it does not show up when getByPage($myPage) is called. Automatically un-hides the
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* Document at a specific date.
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* @param $datetime String date time value when this Document should expire
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* @return null
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*/
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function embargoUntilDate($datetime) {
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// TODO: Implement embargoUntilDate() method.
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}
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/**
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* Clears any previously set embargos, so the Document always shows up in all queries.
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* @return null
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*/
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function clearEmbargo() {
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// TODO: Implement clearEmbargo() method.
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}
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/**
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* Hides the document, so it does not show up when getByPage($myPage) is called.
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* (without specifying the $showEmbargoed = true parameter). This is similar to embargo, except that it should be
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* used to hide documents that are no longer useful.
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* @return null
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*/
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function expire() {
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// TODO: Implement expire() method.
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}
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/**
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* Returns if this is Document is expired.
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* @return bool True or False depending on whether this document is expired
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*/
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function isExpired() {
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// TODO: Implement isExpired() method.
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}
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/**
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* Hides the document at a specific date, so it does not show up when getByPage($myPage) is called.
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* @param $datetime String date time value when this Document should expire
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* @return null
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*/
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function expireAtDate($datetime) {
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// TODO: Implement expireAtDate() method.
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}
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/**
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* Clears any previously set expiry.
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* @return null
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*/
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function clearExpiry() {
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// TODO: Implement clearExpiry() method.
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}
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/**
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* Returns a DataList of all previous Versions of this document (check the LastEdited date of each
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* object to find the correct one)
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* @return DataList List of Document objects
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*/
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function getVersions() {
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// TODO: Implement getVersions() method.
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}
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/**
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* Returns the full filename of the document stored in this object
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* @return string
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*/
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function getFullPath() {
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return DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $this->Folder . DIRECTORY_SEPARATOR . $this->Filename;
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}
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/**
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* Deletes the DMSDocument, its underlying file, as well as any tags related to this DMSDocument. Also calls the
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* parent DataObject's delete method.
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*/
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function delete() {
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//remove tags
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$this->removeAllTags();
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//delete the file (and previous versions of files)
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$filesToDelete = array();
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$storageFolder = DMS::get_DMS_path() . DIRECTORY_SEPARATOR . DMS::getStorageFolder($this->ID);
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if ($handle = opendir($storageFolder)) { //Open directory
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//List files in the directory
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while (false !== ($entry = readdir($handle))) {
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if(strpos($entry,$this->ID.'~') !== false) $filesToDelete[] = $entry;
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}
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closedir($handle);
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//delete all this files that have the id of this document
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foreach($filesToDelete as $file) {
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$filePath = $storageFolder .DIRECTORY_SEPARATOR . $file;
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if (is_file($filePath)) unlink($filePath);
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}
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}
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$this->removeAllPages();
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//delete the dataobject
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parent::delete();
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}
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/**
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* Relate an existing file on the filesystem to the document.
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* Copies the file to the new destination, as defined in {@link get_DMS_path()}.
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*
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* @param String Path to file, relative to webroot.
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*/
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function storeDocument($filePath) {
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if (empty($this->ID)) user_error("Document must be written to database before it can store documents",E_USER_ERROR);
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//calculate all the path to copy the file to
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$fromFilename = basename($filePath);
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$toFilename = $this->ID. '~' . $fromFilename; //add the docID to the start of the Filename
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$toFolder = DMS::getStorageFolder($this->ID);
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$toPath = DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $toFolder . DIRECTORY_SEPARATOR . $toFilename;
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DMS::createStorageFolder(DMS::get_DMS_path() . DIRECTORY_SEPARATOR . $toFolder);
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//copy the file into place
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$fromPath = BASE_PATH . DIRECTORY_SEPARATOR . $filePath;
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copy($fromPath, $toPath); //this will overwrite the existing file (if present)
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//write the filename of the stored document
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$this->Filename = $toFilename;
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$this->Folder = $toFolder;
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if (empty($this->Title)) $this->Title = $fromFilename; //don't overwrite existing document titles
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$this->LastChanged = SS_Datetime::now()->Rfc2822();
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$this->write();
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return $this;
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}
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/**
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* Takes a File object or a String (path to a file) and copies it into the DMS, replacing the original document file
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* but keeping the rest of the document unchanged.
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* @param $file File object, or String that is path to a file to store
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* @return DMSDocumentInstance Document object that we replaced the file in
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*/
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function replaceDocument($file) {
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$filePath = DMS::transformFileToFilePath($file);
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$doc = $this->storeDocument($filePath); //replace the document
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return $doc;
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}
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/**
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* Return the type of file for the given extension
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* on the current file name.
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*
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* @return string
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*/
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static function get_file_type($ext) {
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$types = array(
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'gif' => 'GIF image - good for diagrams',
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'jpg' => 'JPEG image - good for photos',
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'jpeg' => 'JPEG image - good for photos',
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'png' => 'PNG image - good general-purpose format',
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'ico' => 'Icon image',
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'tiff' => 'Tagged image format',
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'doc' => 'Word document',
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'xls' => 'Excel spreadsheet',
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'zip' => 'ZIP compressed file',
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'gz' => 'GZIP compressed file',
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'dmg' => 'Apple disk image',
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'pdf' => 'Adobe Acrobat PDF file',
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'mp3' => 'MP3 audio file',
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'wav' => 'WAV audo file',
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'avi' => 'AVI video file',
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'mpg' => 'MPEG video file',
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'mpeg' => 'MPEG video file',
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'js' => 'Javascript file',
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'css' => 'CSS file',
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'html' => 'HTML file',
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'htm' => 'HTML file'
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);
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return isset($types[$ext]) ? $types[$ext] : $ext;
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}
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function getFilenameWithoutID() {
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$filenameParts = explode('~',$this->Filename);
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$filename = array_pop($filenameParts);
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return $filename;
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}
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function getCMSFields() {
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//include JS to handling showing and hiding of bottom "action" tabs
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Requirements::javascript('dms/javascript/DMSDocumentCMSFields.js');
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Requirements::css('dms/css/DMSDocumentCMSFields.css');
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$fields = new FieldList(); //don't use the automatic scaffolding, it is slow and unnecessary here
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$fieldsTop = $this->getFieldsForFile();
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$fields->add($fieldsTop);
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$fields->add(new TextField('Title','Title'));
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$fields->add(new TextareaField('Description','Description'));
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//create upload field to replace document
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$uploadField = new DMSUploadField('ReplaceFile', 'Replace file');
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$uploadField->setConfig('allowedMaxFileNumber', 1);
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$uploadField->setRecord($this);
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$gridFieldConfig = GridFieldConfig::create()->addComponents(
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new GridFieldToolbarHeader(),
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new GridFieldSortableHeader(),
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new GridFieldDataColumns(),
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new GridFieldPaginator(30),
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//new GridFieldEditButton(),
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new GridFieldDetailForm()
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);
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$gridFieldConfig->getComponentByType('GridFieldDataColumns')
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->setDisplayFields(array(
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'Title'=>'Title',
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'ClassName'=>'Page Type',
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'ID'=>'Page ID'
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))
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->setFieldFormatting(array(
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'Title'=>sprintf(
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'<a class=\"cms-panel-link\" href=\"%s/$ID\">$Title</a>',
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singleton('CMSPageEditController')->Link('show')
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)
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));
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$pagesGrid = GridField::create(
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'Pages',
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_t('DMSDocument.RelatedPages', 'Related Pages'),
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$this->Pages(),
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$gridFieldConfig
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);
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$fields->add(new LiteralField('BottomTaskSelection',"<div id=\"Actions\" class=\"field actions\"><label class=\"left\">Actions</label><ul><li class=\"ss-ui-button\">Replace</li><li class=\"ss-ui-button\">Embargo</li></ul></div>"));
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$fields->add($uploadField);
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$fields->add($pagesGrid);
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return $fields;
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}
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/**
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* Return the relative URL of an icon for the file type,
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* based on the {@link appCategory()} value.
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* Images are searched for in "dms/images/app_icons/".
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*
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* @return String
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*/
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function Icon($ext) {
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if(!Director::fileExists("dms/images/app_icons/{$ext}_32.png")) {
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$ext = File::get_app_category($ext);
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}
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if(!Director::fileExists("dms/images/app_icons/{$ext}_32.png")) {
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$ext = "generic";
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}
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return "dms/images/app_icons/{$ext}_32.png";
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}
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/**
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* Return the extension of the file associated with the document
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*/
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function getFileExt() {
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return strtolower(pathinfo($this->Filename, PATHINFO_EXTENSION));
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}
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/**
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* Return the size of the file associated with the document
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*/
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function getFileSize() {
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return filesize($this->getFullPath());
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}
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function getFileSizeFormatted(){
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if($size = $this->getFileSize()){
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if($size < 1024) return $size . ' bytes';
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if($size < 1024*10) return (round($size/1024*10)/10). ' KB';
|
|
if($size < 1024*1024) return round($size/1024) . ' KB';
|
|
if($size < 1024*1024*10) return (round(($size/1024)/1024*10)/10) . ' MB';
|
|
if($size < 1024*1024*1024) return round(($size/1024)/1024) . ' MB';
|
|
return round($size/(1024*1024*1024)*10)/10 . ' GB';
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @return FieldList
|
|
*/
|
|
protected function getFieldsForFile() {
|
|
$extension = $this->getFileExt();
|
|
|
|
$previewField = new LiteralField("ImageFull",
|
|
"<img id='thumbnailImage' class='thumbnail-preview' src='{$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";
|
|
|
|
$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->getDownloadLink(), $this->getDownloadLink())
|
|
),
|
|
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)
|
|
)
|
|
)->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 Controller {
|
|
static $allowed_actions = array(
|
|
'index'
|
|
);
|
|
|
|
/**
|
|
* Access the file download without redirecting user, so we can block direct access to documents.
|
|
*/
|
|
function index(SS_HTTPRequest $request) {
|
|
$id = Convert::raw2sql($this->getRequest()->param('ID'));
|
|
if (!empty($id)) $doc = DataObject::get_by_id('DMSDocument', $id);
|
|
if (!empty($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
|
|
$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)
|
|
$canView = true;
|
|
}
|
|
|
|
// TODO: add a check for embargo
|
|
|
|
if ($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->getFileExt();
|
|
if ( $ext =='pdf') {
|
|
$mime = 'application/pdf';
|
|
}elseif ($ext == 'html' || $ext =='htm') {
|
|
$mime = 'text/html';
|
|
}else {
|
|
$mime = 'application/octet-stream';
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->httpError(404, 'This asset does not exist.');
|
|
}
|
|
|
|
|
|
}
|
|
|