[gnome-photos] share-point-google: Add the shared copy's ID to the original

[Debarshi Ray <debarshir src gnome org>]

commit 9b033c26be0eeeff420e0edaf6477959fe187103
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Sep 7 09:35:56 2016 +0200

    share-point-google: Add the shared copy's ID to the original
    
    This will let us re-create the nie:links and nie:relatedTo properties
    in Tracker if we ever lose the database, or if the user changes
    computers.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770267

 src/photos-share-point-google.c |   84 ++++++++++++++++++++++++++++++++------
 1 files changed, 70 insertions(+), 14 deletions(-)
---
diff --git a/src/photos-share-point-google.c b/src/photos-share-point-google.c
index 1f9ecae..a986bac 100644
--- a/src/photos-share-point-google.c
+++ b/src/photos-share-point-google.c
@@ -54,6 +54,7 @@ typedef struct _PhotosSharePointGoogleShareData PhotosSharePointGoogleShareData;
 
 struct _PhotosSharePointGoogleShareData
 {
+  GDataPicasaWebFile *file_entry;
   GDataUploadStream *stream;
   PhotosBaseItem *item;
 };
@@ -74,6 +75,7 @@ photos_share_point_google_share_data_new (PhotosBaseItem *item)
 static void
 photos_share_point_google_share_data_free (PhotosSharePointGoogleShareData *data)
 {
+  g_clear_object (&data->file_entry);
   g_clear_object (&data->stream);
   g_clear_object (&data->item);
   g_slice_free (PhotosSharePointGoogleShareData, data);
@@ -116,14 +118,13 @@ photos_share_point_google_share_insert_shared_content (GObject *source_object, G
 
 
 static void
-photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncResult *res, gpointer 
user_data)
+photos_share_point_google_share_metadata_add_shared (GObject *source_object, GAsyncResult *res, gpointer 
user_data)
 {
   PhotosSharePointGoogle *self;
   GApplication *app;
   GCancellable *cancellable;
   GError *error;
   GTask *task = G_TASK (user_data);
-  GDataPicasaWebFile *file_entry = NULL;
   GoaAccount *account;
   GoaObject *object;
   GomMiner *miner;
@@ -139,17 +140,7 @@ photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncRe
   data = (PhotosSharePointGoogleShareData *) g_task_get_task_data (task);
 
   error = NULL;
-  if (!photos_base_item_save_to_stream_finish (item, res, &error))
-    {
-      g_task_return_error (task, error);
-      goto out;
-    }
-
-  error = NULL;
-  file_entry = gdata_picasaweb_service_finish_file_upload (GDATA_PICASAWEB_SERVICE (self->service),
-                                                           data->stream,
-                                                           &error);
-  if (error != NULL)
+  if (!photos_base_item_metadata_add_shared_finish (item, res, &error))
     {
       g_task_return_error (task, error);
       goto out;
@@ -168,7 +159,7 @@ photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncRe
   account = goa_object_peek_account (object);
   account_id = goa_account_get_id (account);
 
-  file_entry_id = gdata_entry_get_id (GDATA_ENTRY (file_entry));
+  file_entry_id = gdata_entry_get_id (GDATA_ENTRY (data->file_entry));
   item_id = photos_filterable_get_id (PHOTOS_FILTERABLE (data->item));
 
   gom_miner_call_insert_shared_content (miner,
@@ -181,8 +172,73 @@ photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncRe
                                         g_object_ref (task));
 
  out:
+  g_object_unref (task);
+}
+
+
+static void
+photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncResult *res, gpointer 
user_data)
+{
+  PhotosSharePointGoogle *self;
+  GCancellable *cancellable;
+  GError *error;
+  GTask *task = G_TASK (user_data);
+  GDataPicasaWebFile *file_entry = NULL;
+  GoaAccount *account;
+  GoaObject *object;
+  PhotosBaseItem *item = PHOTOS_BASE_ITEM (source_object);
+  PhotosSource *source;
+  PhotosSharePointGoogleShareData *data;
+  const gchar *account_identity;
+  const gchar *file_entry_id;
+  const gchar *provider_type;
+  gchar *shared_identifier = NULL;
+
+  self = PHOTOS_SHARE_POINT_GOOGLE (g_task_get_source_object (task));
+  cancellable = g_task_get_cancellable (task);
+  data = (PhotosSharePointGoogleShareData *) g_task_get_task_data (task);
+
+  error = NULL;
+  if (!photos_base_item_save_to_stream_finish (item, res, &error))
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  error = NULL;
+  file_entry = gdata_picasaweb_service_finish_file_upload (GDATA_PICASAWEB_SERVICE (self->service),
+                                                           data->stream,
+                                                           &error);
+  if (error != NULL)
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  g_assert_null (data->file_entry);
+  data->file_entry = g_object_ref (file_entry);
+
+  source = photos_share_point_online_get_source (PHOTOS_SHARE_POINT_ONLINE (self));
+  object = photos_source_get_goa_object (source);
+  account = goa_object_peek_account (object);
+  account_identity = goa_account_get_identity (account);
+  provider_type = goa_account_get_provider_type (account);
+
+  file_entry_id = gdata_entry_get_id (GDATA_ENTRY (file_entry));
+  shared_identifier = g_strconcat ("google:picasaweb:", file_entry_id, NULL);
+
+  photos_base_item_metadata_add_shared_async (data->item,
+                                              provider_type,
+                                              account_identity,
+                                              shared_identifier,
+                                              cancellable,
+                                              photos_share_point_google_share_metadata_add_shared,
+                                              g_object_ref (task));
+
+ out:
   g_clear_object (&file_entry);
   g_object_unref (task);
+  g_free (shared_identifier);
 }