[tracker/tracker-0.10] tracker-miner-rss: Added --add-feed and --title options

[Martyn James Russell <mr src gnome org>]

commit ee6f6d6652b28af6b563802216edef7c8bea81ac
Author: Martyn Russell <martyn lanedo com>
Date:   Wed Apr 27 18:15:01 2011 +0100

    tracker-miner-rss: Added --add-feed and --title options
    
    This allows people to add feeds easily which can then be tracked using
    tracker-search --feeds.

 docs/manpages/Makefile.am         |    5 ++
 docs/manpages/tracker-miner-rss.1 |   54 ++++++++++++++++++++++
 src/miners/rss/tracker-main.c     |   88 ++++++++++++++++++++++++++++++++++++-
 3 files changed, 145 insertions(+), 2 deletions(-)
---
diff --git a/docs/manpages/Makefile.am b/docs/manpages/Makefile.am
index 1b9a830..1ac936d 100644
--- a/docs/manpages/Makefile.am
+++ b/docs/manpages/Makefile.am
@@ -12,6 +12,10 @@ if HAVE_TRACKER_NEEDLE
 tn = tracker-needle.1
 endif
 
+if HAVE_TRACKER_MINER_RSS
+tmrss = tracker-miner-rss.1
+endif
+
 common = \
 	tracker-extract.1 \
 	tracker-extract.cfg.5 \
@@ -31,6 +35,7 @@ common = \
 # Install only common and enabled manpages
 man_MANS = \
 	$(common) \
+	$(tmrss) \
 	$(tsb) \
 	$(tn) \
 	$(ta) \
diff --git a/docs/manpages/tracker-miner-rss.1 b/docs/manpages/tracker-miner-rss.1
new file mode 100644
index 0000000..9df56ca
--- /dev/null
+++ b/docs/manpages/tracker-miner-rss.1
@@ -0,0 +1,54 @@
+.TH tracker-miner-rss 1 "September 2009" GNU "User Commands"
+
+.SH NAME
+tracker-miner-rss \- Used to populate Tracker with RSS feed data.
+
+.SH SYNOPSIS
+\fBtracker-miner-rss\fR [\fIOPTION\fR...]
+
+.SH DESCRIPTION
+.B tracker-miner-rss
+is not supposed to be run by the user since it is started by
+its .desktop file when the user logs in. It can also be started
+manually of course for debugging purposes. You can not run more than
+one instance of this at the same time.
+
+.B tracker-miner-rss
+mines information about RSS feeds only.
+
+.SH OPTIONS
+.TP
+.B \-?, \-\-help
+Show summary of options.
+.TP
+.B \-V, \-\-version
+Returns the version of this binary.
+.TP
+.B \-v, \-\-verbosity={0|1|2|3}
+Sets the logging level, 0=errors, 1=minimal, 2=detailed, 3=debug.
+.TP
+.B \-a, \-\-add-feed=URL
+Adds a feed to the Tracker store. This must be used with 
+.B \-\-title
+option. An examples of such a URL would be:
+
+  http://planet.gnome.org/atom.xml
+
+  http://newsrss.bbc.co.uk/rss/sportplayer_uk_edition/motorsport/rss.xml
+
+  ...
+
+You can use
+.B tracker-search --feeds
+to get the latest feed information.
+
+.TP
+.B \-t, \-\-title=STRING
+The title to use when adding a feed (see the
+.B \-\-add-feed
+option).
+
+.SH SEE ALSO
+.BR tracker-store (1),
+.BR tracker-info (1),
+.BR tracker-search (1).
diff --git a/src/miners/rss/tracker-main.c b/src/miners/rss/tracker-main.c
index 58f62bb..b3b2501 100644
--- a/src/miners/rss/tracker-main.c
+++ b/src/miners/rss/tracker-main.c
@@ -30,6 +30,8 @@
 #include "tracker-miner-rss.h"
 
 static gint verbosity = -1;
+static gchar *add_feed;
+static gchar *title;
 
 static GOptionEntry entries[] = {
 	{ "verbosity", 'v', 0,
@@ -37,6 +39,14 @@ static GOptionEntry entries[] = {
 	  N_("Logging, 0 = errors only, "
 	  "1 = minimal, 2 = detailed and 3 = debug (default=0)"),
 	  NULL },
+	{ "add-feed", 'a', 0,
+	  G_OPTION_ARG_STRING, &add_feed,
+	  N_("Add feed (must be used with --title)"),
+	  N_("URL") },
+	{ "title", 't', 0,
+	  G_OPTION_ARG_STRING, &title,
+	  N_("Title to use (must be used with --add-feed)"),
+	  NULL },
 	{ NULL }
 };
 
@@ -48,6 +58,7 @@ main (int argc, char **argv)
 	GOptionContext *context;
 	TrackerMinerRSS *miner;
 	GError *error = NULL;
+	const gchar *error_message;
 
 	g_type_init ();
 	g_thread_init (NULL);
@@ -65,8 +76,81 @@ main (int argc, char **argv)
 	context = g_option_context_new (_("- start the feeds indexer"));
 	g_option_context_add_main_entries (context, entries, NULL);
 	g_option_context_parse (context, &argc, &argv, NULL);
+
+	if ((add_feed && !title) || (!add_feed && title)) {
+		error_message = _("Adding a feed requires --add-feed and --title");
+	} else {
+		error_message = NULL;
+	}
+
+	if (error_message) {
+		gchar *help;
+
+		g_printerr ("%s\n\n", error_message);
+
+		help = g_option_context_get_help (context, TRUE, NULL);
+		g_option_context_free (context);
+		g_printerr ("%s", help);
+		g_free (help);
+
+		return EXIT_FAILURE;
+	}
+
 	g_option_context_free (context);
 
+	if (add_feed && title) {
+		TrackerSparqlConnection *connection;
+		const gchar *query;
+
+		g_print ("Adding feed:\n"
+		         "  title:'%s'\n"
+		         "  url:'%s'\n",
+		         title,
+		         add_feed);
+
+		connection = tracker_sparql_connection_get (NULL, &error);
+
+		if (!connection) {
+			g_printerr ("%s: %s\n",
+			            _("Could not establish a connection to Tracker"),
+			            error ? error->message : _("No error given"));
+			g_clear_error (&error);
+			return EXIT_FAILURE;
+		}
+
+		/* FIXME: Make interval configurable */
+		query = g_strdup_printf ("INSERT {"
+		                         "  _:FeedSettings a mfo:FeedSettings ;"
+		                         "                   mfo:updateInterval 20 ."
+		                         "  _:Feed a nie:DataObject, mfo:FeedChannel ;"
+		                         "           mfo:feedSettings _:FeedSettings ;"
+		                         "           nie:url \"%s\" ;"
+		                         "           nie:title \"%s\" . "
+		                         "}",
+		                         add_feed,
+		                         title);
+
+		tracker_sparql_connection_update (connection,
+		                                  query,
+		                                  G_PRIORITY_DEFAULT,
+		                                  NULL,
+		                                  &error);
+
+		if (error) {
+			g_printerr ("%s, %s\n",
+			            _("Could not add feed"),
+			            error->message);
+			g_error_free (error);
+			g_object_unref (connection);
+
+			return EXIT_FAILURE;
+		}
+
+		g_print ("Done\n");
+
+		return EXIT_SUCCESS;
+	}
+
 	tracker_log_init (verbosity, &log_filename);
 	g_print ("Starting log:\n  File:'%s'\n", log_filename);
 	g_free (log_filename);
@@ -75,7 +159,7 @@ main (int argc, char **argv)
 	if (!miner) {
 		g_printerr ("Cannot create new RSS miner: '%s', exiting...\n",
 		            error ? error->message : "unknown error");
-		return -1;
+		return EXIT_FAILURE;
 	}
 
 	tracker_miner_start (TRACKER_MINER (miner));
@@ -87,5 +171,5 @@ main (int argc, char **argv)
 	g_main_loop_unref (loop);
 	g_object_unref (miner);
 
-	return 0;
+	return EXIT_SUCCESS;
 }