/*

 * GNOME Online Miners - crawls through your online content

 * Copyright (c) 2011, 2012, 2013, 2014, 2015 Red Hat, Inc.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 *

 * Author: Cosimo Cecchi <cosimoc@redhat.com>

 *

 */

#include "config.h"

#include <gdata/gdata.h>

#include "gom-utils.h"

#include "gom-gdata-miner.h"

#define MINER_IDENTIFIER "gd:gdata:miner:86ec9bc9-c242-427f-aa19-77b5a2c9b6f0"

#define PARENT_LINK_REL "http://schemas.google.com/docs/2007#parent"

/* used by applications to identify the source of an entry */

#define PREFIX_DRIVE "google:drive:"

#define PREFIX_PICASAWEB "google:picasaweb:"

static const guint MAX_RESULTS = 50;

G_DEFINE_TYPE (GomGDataMiner, gom_gdata_miner, GOM_TYPE_MINER)

static gchar *

generate_fake_email_from_fullname (const gchar *fullname)

{

  GChecksum *checksum;

  const gchar *digest;

  gchar *retval;

  checksum = g_checksum_new (G_CHECKSUM_MD5);

  g_checksum_update (checksum, fullname, -1);

  digest = g_checksum_get_string (checksum);

  retval = g_strdup (digest);

  g_checksum_free (checksum);

  return retval;

}

static gboolean

account_miner_job_process_entry (TrackerSparqlConnection *connection,

                                 GHashTable *previous_resources,

                                 const gchar *datasource_urn,

                                 GDataDocumentsService *service,

                                 GDataDocumentsEntry *doc_entry,

                                 GCancellable *cancellable,

                                 GError **error)

{

  GDataEntry *entry = GDATA_ENTRY (doc_entry);

  gchar *resource = NULL;

  gchar *date, *identifier;

  const gchar *class = NULL;

  const gchar *mimetype_override = NULL;

  gboolean mtime_changed, resource_exists;

  gint64 new_mtime;

  GList *authors, *l, *parents = NULL;

  GDataAuthor *author;

  GDataLink *parent;

  GDataLink *alternate;

  const gchar *alternate_uri;

  GList *categories;

  GDataCategory *category;

  gboolean starred = FALSE;

  GDataFeed *access_rules = NULL;

  if (GDATA_IS_DOCUMENTS_FOLDER (doc_entry))

    {

      GDataLink *link;

      link = gdata_entry_look_up_link (entry, GDATA_LINK_SELF);

      identifier = g_strdup_printf ("gd:collection:%s%s", PREFIX_DRIVE, gdata_link_get_uri (link));

    }

  else

    {

      const gchar *id;

      id = gdata_entry_get_id (entry);

      identifier = g_strdup_printf ("%s%s", PREFIX_DRIVE, id);

    }

  /* remove from the list of the previous resources, if any */

  if (previous_resources != NULL)

    g_hash_table_remove (previous_resources, identifier);

  if (GDATA_IS_DOCUMENTS_PRESENTATION (doc_entry))

    class = "nfo:Presentation";

  else if (GDATA_IS_DOCUMENTS_SPREADSHEET (doc_entry))

    class = "nfo:Spreadsheet";

  else if (GDATA_IS_DOCUMENTS_TEXT (doc_entry))

    class = "nfo:PaginatedTextDocument";

  else if (GDATA_IS_DOCUMENTS_DRAWING (doc_entry))

    class = "nfo:PaginatedTextDocument";

  else if (GDATA_IS_DOCUMENTS_PDF (doc_entry))

    class = "nfo:PaginatedTextDocument";

  else if (GDATA_IS_DOCUMENTS_FOLDER (doc_entry))

    class = "nfo:DataContainer";

  resource = gom_tracker_sparql_connection_ensure_resource

    (connection,

     cancellable, error,

     &resource_exists,

     datasource_urn, identifier,

     "nfo:RemoteDataObject", class, NULL);

  if (*error != NULL)

    goto out;

  gom_tracker_update_datasource (connection, datasource_urn,

                                 resource_exists, identifier, resource,

                                 cancellable, error);

  if (*error != NULL)

    goto out;

  new_mtime = gdata_entry_get_updated (entry);

  mtime_changed = gom_tracker_update_mtime (connection, new_mtime,

                                            resource_exists, identifier, resource,

                                            cancellable, error);

  if (*error != NULL)

    goto out;

  /* avoid updating the DB if the entry already exists and has not

   * been modified since our last run.

   */

  if (!mtime_changed)

    goto out;

  /* the resource changed - just set all the properties again */

  alternate = gdata_entry_look_up_link (entry, GDATA_LINK_ALTERNATE);

  alternate_uri = gdata_link_get_uri (alternate);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:url", alternate_uri);

  if (*error != NULL)

    goto out;

  /* fake a drawing mimetype, so Documents can get the correct icon */

  if (GDATA_IS_DOCUMENTS_DRAWING (doc_entry))

    mimetype_override = "application/vnd.sun.xml.draw";

  else if (GDATA_IS_DOCUMENTS_PDF (doc_entry))

    mimetype_override = "application/pdf";

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:mimeType", mimetype_override);

  if (*error != NULL)

    goto out;

  parents = gdata_entry_look_up_links (entry, PARENT_LINK_REL);

  for (l = parents; l != NULL; l = l->next)

    {

      gchar *parent_resource_urn, *parent_resource_id;

      parent = l->data;

      parent_resource_id =

        g_strdup_printf ("gd:collection:%s%s", PREFIX_DRIVE, gdata_link_get_uri (parent));

      parent_resource_urn = gom_tracker_sparql_connection_ensure_resource

        (connection, cancellable, error,

         NULL,

         datasource_urn, parent_resource_id,

         "nfo:RemoteDataObject", "nfo:DataContainer", NULL);

      g_free (parent_resource_id);

      if (*error != NULL)

        goto out;

      gom_tracker_sparql_connection_insert_or_replace_triple

        (connection,

         cancellable, error,

         datasource_urn, resource,

         "nie:isPartOf", parent_resource_urn);

      g_free (parent_resource_urn);

      if (*error != NULL)

        goto out;

    }

  categories = gdata_entry_get_categories (entry);

  for (l = categories; l != NULL; l = l->next)

    {

      category = l->data;

      if (g_strcmp0 (gdata_category_get_term (category), GDATA_CATEGORY_SCHEMA_LABELS_STARRED) == 0)

        {

          starred = TRUE;

          break;

        }

    }

  gom_tracker_sparql_connection_toggle_favorite

    (connection,

     cancellable, error,

     resource, starred);

  if (*error != NULL)

    goto out;

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:description", gdata_entry_get_summary (entry));

  if (*error != NULL)

    goto out;

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:title", gdata_entry_get_title (entry));

  if (*error != NULL)

    goto out;

  authors = gdata_entry_get_authors (entry);

  for (l = authors; l != NULL; l = l->next)

    {

      gchar *contact_resource;

      author = l->data;

      contact_resource = gom_tracker_utils_ensure_contact_resource (connection,

                                                                    cancellable, error,

                                                                    gdata_author_get_email_address (author),

                                                                    gdata_author_get_name (author));

      if (*error != NULL)

        goto out;

      gom_tracker_sparql_connection_insert_or_replace_triple

        (connection,

         cancellable, error,

         datasource_urn, resource,

         "nco:creator", contact_resource);

      if (*error != NULL)

        goto out;

      g_free (contact_resource);

    }

  access_rules = gdata_access_handler_get_rules (GDATA_ACCESS_HANDLER (entry),

                                                 GDATA_SERVICE (service),

                                                 cancellable,

                                                 NULL, NULL, error);

  if (*error != NULL)

      goto out;

  for (l = gdata_feed_get_entries (access_rules); l != NULL; l = l->next)

    {

      GDataAccessRule *rule = l->data;

      const gchar *scope_type;

      const gchar *scope_value;

      gchar *contact_resource;

      gdata_access_rule_get_scope (rule, &scope_type, &scope_value);

      /* default scope access means the document is completely public */

      if (g_strcmp0 (scope_type, GDATA_ACCESS_SCOPE_DEFAULT) == 0)

        continue;

      /* skip domain scopes */

      if (g_strcmp0 (scope_type, GDATA_ACCESS_SCOPE_DOMAIN) == 0)

        continue;

      contact_resource = gom_tracker_utils_ensure_contact_resource (connection,

                                                                    cancellable, error,

                                                                    scope_value,

                                                                    "");

      gom_tracker_sparql_connection_insert_or_replace_triple

        (connection,

         cancellable, error,

         datasource_urn, resource,

         "nco:contributor", contact_resource);

      g_free (contact_resource);

      if (*error != NULL)

        goto out;

    }

  date = gom_iso8601_from_timestamp (gdata_entry_get_published (entry));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:contentCreated", date);

  g_free (date);

  if (*error != NULL)

    goto out;

 out:

  g_clear_object (&access_rules);

  g_free (resource);

  g_free (identifier);

  g_list_free (parents);

  if (*error != NULL)

    return FALSE;

  return TRUE;

}

static gchar *

account_miner_job_process_photo (TrackerSparqlConnection *connection,

                                 GHashTable *previous_resources,

                                 const gchar *datasource_urn,

                                 GDataPicasaWebFile *photo,

                                 const gchar *parent_resource_urn,

                                 GCancellable *cancellable,

                                 GError **error)

{

  GList *l, *media_contents;

  gchar *resource = NULL, *equipment_resource = NULL;

  gchar *contact_resource, *date, *identifier = NULL;

  gboolean resource_exists, mtime_changed;

  gint64 new_mtime;

  gint64 timestamp;

  const gchar *flash_off = "http://www.tracker-project.org/temp/nmm#flash-off";

  const gchar *flash_on = "http://www.tracker-project.org/temp/nmm#flash-on";

  gboolean flash;

  const gchar *credit;

  const gchar *id;

  const gchar *make;

  const gchar *model;

  const gchar *title;

  const gchar *summary;

  const gchar *mime;

  gchar *email;

  gchar *exposure;

  gchar *focal_length;

  gchar *fstop;

  gchar *iso;

  gchar *width;

  gchar *height;

  GDataLink *alternate;

  const gchar *alternate_uri;

  id = gdata_entry_get_id (GDATA_ENTRY (photo));

  media_contents = gdata_picasaweb_file_get_contents (photo);

  for (l = media_contents; l != NULL; l = l->next)

    {

      GDataMediaContent *media_content = GDATA_MEDIA_CONTENT (l->data);

      GDataMediaMedium medium;

      medium = gdata_media_content_get_medium (media_content);

      if (medium != GDATA_MEDIA_IMAGE)

        {

          g_debug ("Skipping %s because medium(%d) is not an image", id, medium);

          goto out;

        }

    }

  identifier = g_strdup_printf ("%s%s", PREFIX_PICASAWEB, id);

  /* remove from the list of the previous resources, if any */

  if (previous_resources != NULL)

    g_hash_table_remove (previous_resources, identifier);

  resource = gom_tracker_sparql_connection_ensure_resource

    (connection,

     cancellable, error,

     &resource_exists,

     datasource_urn, identifier,

     "nfo:RemoteDataObject", "nmm:Photo", NULL);

  if (*error != NULL)

    goto out;

  gom_tracker_update_datasource (connection, datasource_urn,

                                 resource_exists, identifier, resource,

                                 cancellable, error);

  if (*error != NULL)

    goto out;

  /* Check updated time to avoid updating the DB if it has not

   * been modified since our last run

   */

  new_mtime = gdata_entry_get_updated (GDATA_ENTRY (photo));

  mtime_changed = gom_tracker_update_mtime (connection, new_mtime,

                                            resource_exists, identifier, resource,

                                            cancellable, error);

  if (*error != NULL)

    goto out;

  /* avoid updating the DB if the resource already exists and has not

   * been modified since our last run.

   */

  if (!mtime_changed)

    goto out;

  /* the resource changed - just set all the properties again */

  alternate = gdata_entry_look_up_link (GDATA_ENTRY (photo), GDATA_LINK_ALTERNATE);

  alternate_uri = gdata_link_get_uri (alternate);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:url", alternate_uri);

  if (*error != NULL)

    goto out;

  summary = gdata_entry_get_summary ((GDATA_ENTRY (photo)));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:description", summary);

  if (*error != NULL)

    goto out;

  if (parent_resource_urn != NULL)

    {

      gom_tracker_sparql_connection_insert_or_replace_triple

        (connection,

         cancellable, error,

         datasource_urn, resource,

         "nie:isPartOf", parent_resource_urn);

      if (*error != NULL)

        goto out;

    }

  mime = gdata_media_content_get_content_type (GDATA_MEDIA_CONTENT (media_contents->data));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:mimeType", mime);

  if (*error != NULL)

    goto out;

  title = gdata_entry_get_title ((GDATA_ENTRY (photo)));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:title", title);

  if (*error != NULL)

    goto out;

  credit = gdata_picasaweb_file_get_credit (photo);

  email = generate_fake_email_from_fullname (credit);

  contact_resource = gom_tracker_utils_ensure_contact_resource

    (connection,

     cancellable, error,

     email, credit);

  g_free (email);

  if (*error != NULL)

    goto out;

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nco:creator", contact_resource);

  g_free (contact_resource);

  if (*error != NULL)

    goto out;

  exposure = g_strdup_printf ("%f", gdata_picasaweb_file_get_exposure (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nmm:exposureTime", exposure);

  g_free (exposure);

  if (*error != NULL)

    goto out;

  focal_length = g_strdup_printf ("%f", gdata_picasaweb_file_get_focal_length (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nmm:focalLength", focal_length);

  g_free (focal_length);

  if (*error != NULL)

    goto out;

  fstop = g_strdup_printf ("%f", gdata_picasaweb_file_get_fstop (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nmm:fnumber", fstop);

  g_free (fstop);

  if (*error != NULL)

    goto out;

  iso = g_strdup_printf ("%ld", (glong) gdata_picasaweb_file_get_iso (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nmm:isoSpeed", iso);

  g_free (iso);

  if (*error != NULL)

    goto out;

  flash = gdata_picasaweb_file_get_flash (photo);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nmm:flash", flash ? flash_on : flash_off);

  if (*error != NULL)

    goto out;

  make = gdata_picasaweb_file_get_make (photo);

  model = gdata_picasaweb_file_get_model (photo);

  if (make != NULL || model != NULL)

    {

      equipment_resource = gom_tracker_utils_ensure_equipment_resource (connection,

                                                                        cancellable,

                                                                        error,

                                                                        make,

                                                                        model);

      if (*error != NULL)

        goto out;

      gom_tracker_sparql_connection_insert_or_replace_triple

        (connection,

         cancellable, error,

         datasource_urn, resource,

         "nfo:equipment", equipment_resource);

      if (*error != NULL)

        goto out;

    }

  width = g_strdup_printf ("%u", gdata_picasaweb_file_get_width (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nfo:width", width);

  g_free (width);

  if (*error != NULL)

    goto out;

  height = g_strdup_printf ("%u", gdata_picasaweb_file_get_height (photo));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nfo:height", height);

  g_free (height);

  if (*error != NULL)

    goto out;

  timestamp = gdata_picasaweb_file_get_timestamp (photo);

  date = gom_iso8601_from_timestamp (timestamp / 1000);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:contentCreated", date);

  g_free (date);

  if (*error != NULL)

    goto out;

 out:

  g_free (identifier);

  g_free (equipment_resource);

  if (*error != NULL)

    return NULL;

  return resource;

}

static gboolean

account_miner_job_process_album (TrackerSparqlConnection *connection,

                                 GHashTable *previous_resources,

                                 const gchar *datasource_urn,

                                 GDataPicasaWebService *service,

                                 GDataPicasaWebAlbum *album,

                                 GCancellable *cancellable,

                                 GError **error)

{

  GDataFeed *feed = NULL;

  GDataPicasaWebQuery *query;

  gchar *resource = NULL;

  gchar *contact_resource, *date, *identifier;

  gchar *email;

  gboolean resource_exists, mtime_changed;

  gint64 new_mtime;

  gint64 timestamp;

  const gchar *album_id;

  const gchar *nickname;

  const gchar *title;

  const gchar *summary;

  GList *l, *photos = NULL;

  GDataLink *alternate;

  const gchar *alternate_uri;

  album_id = gdata_entry_get_id (GDATA_ENTRY (album));

  identifier = g_strdup_printf ("photos:collection:%s%s", PREFIX_PICASAWEB, album_id);

  /* remove from the list of the previous resources, if any */

  if (previous_resources != NULL)

    g_hash_table_remove (previous_resources, identifier);

  resource = gom_tracker_sparql_connection_ensure_resource

    (connection,

     cancellable, error,

     &resource_exists,

     datasource_urn, identifier,

     "nfo:RemoteDataObject", "nfo:DataContainer",

     NULL);

  if (*error != NULL)

    goto out;

  gom_tracker_update_datasource

    (connection, datasource_urn,

     resource_exists, identifier, resource,

     cancellable, error);

  if (*error != NULL)

    goto out;

  /* Check updated time to avoid updating the DB if it has not

   * been modified since our last run

   */

  new_mtime = gdata_entry_get_updated (GDATA_ENTRY (album));

  mtime_changed = gom_tracker_update_mtime (connection, new_mtime,

                                            resource_exists, identifier, resource,

                                            cancellable, error);

  if (*error != NULL)

    goto out;

  /* avoid updating the DB if the resource already exists and has not

   * been modified since our last run.

   */

  if (!mtime_changed)

    goto album_photos;

  /* the resource changed - just set all the properties again */

  alternate = gdata_entry_look_up_link (GDATA_ENTRY (album), GDATA_LINK_ALTERNATE);

  alternate_uri = gdata_link_get_uri (alternate);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:url", alternate_uri);

  if (*error != NULL)

    goto out;

  summary = gdata_entry_get_summary ((GDATA_ENTRY (album)));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:description", summary);

  if (*error != NULL)

    goto out;

  title = gdata_entry_get_title ((GDATA_ENTRY (album)));

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:title", title);

  if (*error != NULL)

    goto out;

  nickname = gdata_picasaweb_album_get_nickname (album);

  email = generate_fake_email_from_fullname (nickname);

  contact_resource = gom_tracker_utils_ensure_contact_resource

    (connection,

     cancellable, error,

     email, nickname);

  g_free (email);

  if (*error != NULL)

    goto out;

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nco:creator", contact_resource);

  g_free (contact_resource);

  if (*error != NULL)

    goto out;

  timestamp = gdata_picasaweb_album_get_timestamp (album);

  date = gom_iso8601_from_timestamp (timestamp / 1000);

  gom_tracker_sparql_connection_insert_or_replace_triple

    (connection,

     cancellable, error,

     datasource_urn, resource,

     "nie:contentCreated", date);

  g_free (date);

  if (*error != NULL)

    goto out;

 album_photos:

  query = gdata_picasaweb_query_new (NULL);

  gdata_picasaweb_query_set_image_size (query, "d");

  feed = gdata_picasaweb_service_query_files (service, album, GDATA_QUERY (query),

                                              cancellable, NULL, NULL, error);

  g_object_unref (query);

  if (feed == NULL)

    goto out;

  photos = gdata_feed_get_entries (feed);

  for (l = photos; l != NULL; l = l->next)

    {

      GDataPicasaWebFile *file = GDATA_PICASAWEB_FILE (l->data);

      gchar *photo_resource_urn = NULL;

      photo_resource_urn = account_miner_job_process_photo (connection,

                                                            previous_resources,

                                                            datasource_urn,

                                                            file,

                                                            resource,

                                                            cancellable,

                                                            error);

      if (*error != NULL)

        {

          const gchar *photo_id;

          photo_id = gdata_picasaweb_file_get_id (file);

          g_warning ("Unable to process photo %s: %s", photo_id, (*error)->message);

          g_clear_error (error);

        }

      g_free (photo_resource_urn);

    }

 out:

  g_clear_object (&feed);

  g_free (resource);

  g_free (identifier);

  if (*error != NULL)

    return FALSE;

  return TRUE;

}

static void

insert_shared_content_photos (TrackerSparqlConnection *connection,

                              const gchar *datasource_urn,

                              const gchar *shared_id,

                              const gchar *source_urn,

                              GDataPicasaWebService *service,

                              GCancellable *cancellable,

                              GError **error)

{

  GError *local_error;

  GDataAuthorizationDomain *authorization_domain;

  GDataEntry *entry = NULL;

  GDataPicasaWebFile *file;

  GDataPicasaWebQuery *query = NULL;

  gchar *photo_resource_urn = NULL;

  authorization_domain = gdata_picasaweb_service_get_primary_authorization_domain ();

  query = gdata_picasaweb_query_new (NULL);

  gdata_picasaweb_query_set_image_size (query, "d");

  local_error = NULL;

  entry = gdata_service_query_single_entry (GDATA_SERVICE (service),

                                            authorization_domain,

                                            shared_id,

                                            GDATA_QUERY (query),

                                            GDATA_TYPE_PICASAWEB_FILE,

                                            cancellable,

                                            &local_error);

  if (local_error != NULL)

    {

      g_propagate_error (error, local_error);

      goto out;

    }

  file = GDATA_PICASAWEB_FILE (entry);

  local_error = NULL;

  photo_resource_urn = account_miner_job_process_photo (connection,

                                                        NULL,

                                                        datasource_urn,

                                                        file,

                                                        NULL,

                                                        cancellable,

                                                        &local_error);

  if (local_error != NULL)

    {

      g_propagate_error (error, local_error);

      goto out;

    }

  local_error = NULL;

  if (!gom_tracker_sparql_connection_insert_or_replace_triple (connection,

                                                               cancellable,

                                                               &local_error,

                                                               datasource_urn,

                                                               source_urn,

                                                               "nie:relatedTo",

                                                               photo_resource_urn))

    {

      g_propagate_error (error, local_error);

      goto out;

    }

  local_error = NULL;

  if (!gom_tracker_sparql_connection_insert_or_replace_triple (connection,

                                                               cancellable,

                                                               &local_error,