From d634ea312d74ecf6d4aff071c2d2bc4f9ec589fd Mon Sep 17 00:00:00 2001
From: Mark Jordan <mjordan@sfu.ca>
Date: Fri, 23 Apr 2021 15:50:32 +0000
Subject: [PATCH] WIP on #39.

---
 islandora_riprap.module                       |  2 +-
 .../IslandoraRiprapMediaEventsController.php  |  2 +-
 src/Plugin/views/field/RiprapResults.php      |  2 +-
 src/Riprap/IslandoraRiprapUtils.php           | 33 ++++++++++++++++++-
 4 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/islandora_riprap.module b/islandora_riprap.module
index 7a023fc..0e2562c 100644
--- a/islandora_riprap.module
+++ b/islandora_riprap.module
@@ -172,7 +172,7 @@ function islandora_riprap_islandora_premis_turtle_alter($nid, &$turtle) {
         $binary_resource_url = $islandora_riprap_utils->getLocalUrl($medium->id());
       }
       else {
-        $binary_resource_url = $islandora_riprap_utils->getFedoraUrl($file->uuid());
+        $binary_resource_url = $islandora_riprap_utils->getFedoraUrl($medium->id());
       }
 
       // Create the graph from existing Turtle.
diff --git a/src/Controller/IslandoraRiprapMediaEventsController.php b/src/Controller/IslandoraRiprapMediaEventsController.php
index a6fc873..947c1be 100644
--- a/src/Controller/IslandoraRiprapMediaEventsController.php
+++ b/src/Controller/IslandoraRiprapMediaEventsController.php
@@ -39,7 +39,7 @@ public function main() {
       $binary_resource_url = $utils->getLocalUrl($mid);
     }
     else {
-      $binary_resource_url = $utils->getFedoraUrl($binary_resource_uuid);
+      $binary_resource_url = $utils->getFedoraUrl($mid);
     }
 
     $riprap_output = $riprap->getEvents(['output_format' => 'json', 'resource_id' => $binary_resource_url]);
diff --git a/src/Plugin/views/field/RiprapResults.php b/src/Plugin/views/field/RiprapResults.php
index f5ce845..6887ab0 100644
--- a/src/Plugin/views/field/RiprapResults.php
+++ b/src/Plugin/views/field/RiprapResults.php
@@ -41,7 +41,7 @@ public function render(ResultRow $value) {
       $binary_resource_url = $utils->getLocalUrl($mid);
     }
     else {
-      $binary_resource_url = $utils->getFedoraUrl($binary_resource_uuid);
+      $binary_resource_url = $utils->getFedoraUrl($mid);
     }
 
     $num_events = $config->get('number_of_events') ?: 10;
diff --git a/src/Riprap/IslandoraRiprapUtils.php b/src/Riprap/IslandoraRiprapUtils.php
index 618a92f..f564739 100644
--- a/src/Riprap/IslandoraRiprapUtils.php
+++ b/src/Riprap/IslandoraRiprapUtils.php
@@ -3,6 +3,7 @@
 namespace Drupal\islandora_riprap\Riprap;
 
 use Drupal\media\Entity\Media;
+use Drupal\Core\Site\Settings;
 use Drupal\Core\Link;
 
 /**
@@ -68,7 +69,37 @@ public function getFileUuid($mid) {
    * @return string
    *   The Fedora URL corresponding to the UUID, or a message.
    */
-  public function getFedoraUrl($uuid) {
+  public function getFedoraUrl($mid) {
+    $media = Media::load($mid);
+    $media_source_service = \Drupal::service('islandora.media_source_service');
+    $source_file = $media_source_service->getSourceFile($media);
+    $uri = $source_file->getFileUri();
+    $scheme = \Drupal::service('stream_wrapper_manager')->getScheme($uri);
+    $flysystem_config = Settings::get('flysystem');
+
+    $mapper = \Drupal::service('islandora.entity_mapper');
+    if (isset($flysystem_config[$scheme]) && $flysystem_config[$scheme]['driver'] == 'fedora') {
+      $parts = parse_url($uri);
+          $path = $parts['host'] . $parts['path'];
+     }
+     else {
+       $path = $mapper->getFedoraPath($source_file->uuid());
+     }
+     $path = trim($path, '/');
+     $fedora_uri = "$fedora_root/$path";
+     return($fedora_uri);
+  }
+
+  /**
+   * Get a Fedora URL for a File entity from Gemini.
+   *
+   * @param string $uuid
+   *   The File entity's UUID.
+   *
+   * @return string
+   *   The Fedora URL corresponding to the UUID, or a message.
+   */
+  public function _getFedoraUrl($uuid) {
     try {
       $container = \Drupal::getContainer();
       $jwt = $container->get('jwt.authentication.jwt');