Merge pull request #152 from ruebot/6.x

6.x FITS integration

formClass.inc

@@ -1,7 +1,5 @@
 <?php
 
-
-
 /**
  * @file
  * formClass class
@@ -370,12 +368,28 @@ class formClass {
       '#default_value' => variable_get('fedora_control_group_control_during_ingest', FALSE),
     );
 
+    //FITS functionality
+    $form['advanced']['enable_fits'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Enable FITS support?'),
+      '#description' => t('Whether or not we should create a FITS datastream upon object ingest.'),
+      '#default_value' => variable_get('enable_fits', FALSE),
+    );
+
+    //FITS Path
+    $form['advanced']['fits_path'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Path to FITS executable'),
+      '#description' => t("Path to FITS program on your server. It must be accessible by Drupal (i.e. apache user)."),
+      '#default_value' => variable_get('fits_path','/usr/local/bin/fits.sh'),
+    );
+
     //Export functionality
     $form['advanced']['module']['export_area'] = array(
       '#type' => 'textfield',
       '#title' => t('Export area'),
       '#default_value' => variable_get('export_area', file_directory_path() . '/fedora_export_area'),
-      '#description' => t("Path to the export area. It must be accessible by druapl (i.e. apache user)."),
+      '#description' => t("Path to the export area. It must be accessible by drupal (i.e. apache user)."),
       '#required' => TRUE,
     );
 

plugins/fits.inc

@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * @file
+ * Fits
+ * fits.sh must be in the apache user's path
+ *
+ * Download FITS from http://code.google.com/p/fits/
+ * Installing: http://code.google.com/p/fits/wiki/installing
+ * Edit line 5 in fits.sh (FITS_HOME='') and give it a home.
+ * Make sure that home is in the apache user's path.
+ *
+ */
+
+/**
+ * This Class implements the methods defined in the STANDARD_IMAGE content model
+ */
+class fits {
+
+  private $pid = NULL;
+  private $item = NULL;
+
+  /**
+   * Constructor
+   * @param type $pid
+   */
+  function __construct($pid = NULL) {
+    module_load_include('inc', 'fedora_repository', 'api/fedora_item');
+    if (!empty($pid)) {
+      $this->pid = $pid;
+      $this->item = new Fedora_Item($this->pid);
+    }
+  }
+
+  /**
+   * extract metadata
+   * @param type $parameterArray
+   * @param type $dsid
+   * @param type $file
+   * @param type $file_ext
+   * @return type
+   */
+  function extractFits($parameterArray, $dsid, $file, $file_ext) {
+    if (variable_get('enable_fits', FALSE) == 1) {
+      $file_name = '_' . $dsid . '.xml';
+      $output = array();
+      exec(variable_get('fits_path', '/usr/local/bin/fits.sh') .' -i ' . escapeshellarg($file) . '', $output);
+      if ( !file_put_contents($file . $file_name, implode("\n", $output)) ) {
+        //drupal_set_message(t("error writing fits file %s", array('%s' => "$file.$file_name")));
+        return FALSE;
+      }
+      $_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_name;
+      return TRUE;
+    }
+    return TRUE; //this prevents getting the error following content model rules message when fits generation is turned off
+  }
+
+  /**
+   * display metadata
+   * @return type
+   */
+  function displayFits() {
+    $output = '';
+    $fits = $this->item->get_datastream_dissemination('TECHMD_FITS');
+    if (trim($fits) != '') {
+      $fitsDom = DOMDocument::loadXML($this->item->get_datastream_dissemination('FITS'));
+      if ($fitsDom != NULL) {
+        $description = $fitsDom->getElementsByTagName('fits');
+        if ($description->length > 0) {
+          $description = $description->item(0);
+          $output .= '<div class="fedora_technical_metadata"><ul>';
+          for ($i = 0; $i < $description->childNodes->length; $i++) {
+            $name = $description->childNodes->item($i)->nodeName;
+            $value = $description->childNodes->item($i)->nodeValue;
+            if ($name != '#text' && !preg_match('/^System\:.*$/', $name) && trim($value) != '') {
+              list($type, $name) = preg_split('/\:/', $name);
+              $name = trim(preg_replace('/(?<!^)([A-Z][a-z]|(?<=[a-z])[A-Z])/', " $1", $name));
+              $output .= '<li><b>' . $name . '</b>:  ' . $value . ' </li>';
+            }
+          }
+          $output .= '</ul></div>';
+
+          $fieldset = array(
+            '#title' => t("!text", array('!text' => 'FITS Technical Metadata')),
+            '#collapsible' => TRUE,
+            '#collapsed' => TRUE,
+            '#value' => $output
+          );
+          $output = theme('fieldset', $fieldset);
+        }
+      }
+    }
+    return $output;
+  }
+
+}