124 lines
3.3 KiB
PHP
Executable File
124 lines
3.3 KiB
PHP
Executable File
<?php
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/**
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* Class to provide batch-update facilities to CMS users.
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* The BulkLoaderAdmin class provides an interface for accessing all of the subclasses of BulkLoader,
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* each of which defines a particular bulk loading operation.
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*
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* This code was originally developed for Per Week in collaboration with Brian Calhoun.
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*/
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class BulkLoaderAdmin extends LeftAndMain {
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/**
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* Initialisation method called before accessing any functionality that BulkLoaderAdmin has to offer
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*/
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public function init() {
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Requirements::javascript('cms/javascript/BulkLoaderAdmin.js');
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parent::init();
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}
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/**
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* Link function to tell us how to get back to this controller.
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*/
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public function Link($action = null) {
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return "admin/bulkload/$action";
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}
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public function BulkLoaders() {
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$items = ClassInfo::subclassesFor("BulkLoader");
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array_shift($items);
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foreach($items as $item) {
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$itemObjects[] = new $item();
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}
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return new DataObjectSet($itemObjects);
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}
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/**
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* Return the form shown when we first click on a loader on the left.
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* Provides all the options, a file upload, and an option to proceed
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*/
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public function getEditForm($className = null) {
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if(is_subclass_of($className, 'BulkLoader')) {
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$loader = new $className();
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$fields = $loader->getOptionFields();
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if(!$fields) $fields = new FieldSet();
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$fields->push(new FileField("File", "CSV File"));
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$fields->push(new HiddenField('LoaderClass', '', $loader->class));
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return new Form($this, "EditForm",
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$fields,
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new FieldSet(
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new FormAction('preview', "Preview")
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)
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);
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}
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}
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public function preview() {
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$className = $_REQUEST['LoaderClass'];
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if(is_subclass_of($className, 'BulkLoader')) {
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$loader = new $className();
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$results = $loader->processAll($_FILES['File']['tmp_name'], false);
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return $this->customise(array(
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"Message" => "Press continue to load this data in",
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"Results" => $results,
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"ConfirmForm" => $this->getConfirmFormFor($loader, $file),
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))->renderWith("BulkLoaderAdmin_preview");
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}
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}
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/**
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* Generate a confirmation form for the given file/class
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* Will copy the file to a suitable temporary location
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* @param loader A BulkLoader object
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* @param file The name of the temp file
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*/
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public function getConfirmFormFor($loader, $file) {
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$tmpFile = tempnam(TEMP_FOLDER,'batch-upload-');
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copy($file,$tmpFile);
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return new Form($this, "ConfirmForm", new FieldSet(
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new HiddenField("File", "", $tmpFile),
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new HiddenField("LoaderClass", "", $loader->class)
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), new FieldSet(
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new FormAction('process', 'Confirm bulk load')
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));
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}
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/**
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* Stub to return the form back after pressing the button.
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*/
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public function ConfirmForm() {
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$className = $_REQUEST['LoaderClass'];
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return $this->getConfirmFormFor(new $className(), $_REQUEST['File']);
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}
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/**
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* Process the data and display the final "finished" message
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*/
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public function process() {
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$className = $_REQUEST['LoaderClass'];
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if(is_subclass_of($className, 'BulkLoader')) {
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$loader = new $className();
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$results = $loader->processAll($_REQUEST['Filename'], true);
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return $this->customise(array(
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"Message" => "This data has been loaded in",
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"Results" => $results,
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"ConfirmForm" => " ",
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))->renderWith("BulkLoaderAdmin_preview");
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}
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}
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}
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?>
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