added evolution-calendar-importer binary, starting with an iCalendar file

2001-10-29  Rodrigo Moya <rodrigo@ximian.com>

	* importers/: added evolution-calendar-importer binary, starting
	with an iCalendar file importer

svn path=/trunk/; revision=14354

7 files changed, 430 insertions, 0 deletions

diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index 5a41faecb9..b881d16f24 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,3 +1,8 @@
+2001-10-29  Rodrigo Moya <rodrigo@ximian.com>
+
+	* importers/: added evolution-calendar-importer binary, starting
+	with an iCalendar file importer
+
 2001-10-29  JP Rosevear  <jpr@ximian.com>
 
 	* conduits/todo/todo-conduit-config.h
diff --git a/calendar/importers/.cvsignore b/calendar/importers/.cvsignore
new file mode 100644
index 0000000000..dfa0930c53
--- /dev/null
+++ b/calendar/importers/.cvsignore
@@ -0,0 +1,6 @@
+.deps
+.libs
+Makefile
+Makefile.in
+evolution-calendar-importer
+GNOME_Evolution_Calendar_Importer.oaf
diff --git a/calendar/importers/GNOME_Evolution_Calendar_Importer.oaf.in b/calendar/importers/GNOME_Evolution_Calendar_Importer.oaf.in
new file mode 100644
index 0000000000..35ccf84a66
--- /dev/null
+++ b/calendar/importers/GNOME_Evolution_Calendar_Importer.oaf.in
@@ -0,0 +1,27 @@
+<oaf_info>
+
+<oaf_server iid="OAFIID:GNOME_Evolution_Calendar_ImporterFactory"
+	    type="exe"
+	    location="evolution-evolution-importer">
+
+	<oaf_attribute name="repo_ids" type="stringv">
+		<item value="IDL:GNOME/ObjectFactory:1.0"/>
+	</oaf_attribute>
+	<oaf_attribute name="description" type="string"
+                       _value="Factory to import iCalendar files into Evolution"/>
+</oaf_server>
+
+<oaf_server iid="OAFIID:GNOME_Evolution_Calendar_iCalendar_Importer"
+	    type="factory"
+	    location="OAFIID:GNOME_Evolution_Calendar_ImporterFactory">
+
+	<oaf_attribute name="repo_ids" type="stringv">
+		<item value="IDL:GNOME/Evolution/Importer:1.0"/>
+	</oaf_attribute>
+	<oaf_attribute name="evolution:menu-name" type="string"
+                       value="iCalendar files (.ics)"/>
+        <oaf_attribute name="description" type="string"
+                       _value="Imports iCalendar files into Evolution"/>
+
+</oaf_server>
+</oaf_info>
diff --git a/calendar/importers/Makefile.am b/calendar/importers/Makefile.am
new file mode 100644
index 0000000000..b000e2da2c
--- /dev/null
+++ b/calendar/importers/Makefile.am
@@ -0,0 +1,37 @@
+bin_PROGRAMS = evolution-calendar-importer
+
+INCLUDES = 						\
+	-DEVOLUTION_LOCALEDIR=\""$(localedir)"\"	\
+	-DG_LOG_DOMAIN=\"Evolution-Importer\"		\
+	-I$(top_srcdir)					\
+	-I$(top_builddir)/shell				\
+	-I$(top_srcdir)/shell				\
+	-I$(top_srcdir)/calendar/cal-client		\
+	-I$(top_builddir)/calendar/cal-client		\
+	-I$(top_srcdir)/calendar			\
+	-I$(top_builddir)/calendar			\
+	-I$(top_srcdir)/libical/src/libical		\
+	-I$(top_builddir)/libical/src/libical		\
+	$(BONOBO_CFLAGS)				\
+	$(GNOME_INCLUDEDIR)
+
+evolution_calendar_importer_SOURCES = 	\
+	icalendar-importer.c		\
+	main.c
+
+evolution_calendar_importer_LDADD =				\
+	$(top_builddir)/shell/importer/libevolution-importer.la \
+	$(top_builddir)/calendar/cal-util/libcal-util.la	\
+	$(top_builddir)/calendar/cal-client/libcal-client.la	\
+	$(top_builddir)/libwombat/libwombat.la			\
+	$(top_builddir)/libical/src/libical/libical.la		\
+	$(EXTRA_GNOME_LIBS)
+
+oafdir = $(datadir)/oaf
+oaf_in_files = GNOME_Evolution_Calendar_Importer.oaf.in
+
+oaf_DATA = $(oaf_in_files:.oaf.in=.oaf)
+
+EXTRA_DIST = $(oaf_in_files) $(oaf_DATA)
+
+@XML_I18N_MERGE_OAF_RULE@
diff --git a/calendar/importers/evolution-calendar-importer.h b/calendar/importers/evolution-calendar-importer.h
new file mode 100644
index 0000000000..ac4d15dd8d
--- /dev/null
+++ b/calendar/importers/evolution-calendar-importer.h
@@ -0,0 +1,34 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Evolution calendar importer component
+ *
+ * Authors: Rodrigo Moya <rodrigo@ximian.com>
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef EVOLUTION_CALENDAR_IMPORTER_H
+#define EVOLUTION_CALENDAR_IMPORTER_H
+
+#include <bonobo/bonobo-object.h>
+
+BEGIN_GNOME_DECLS
+
+BonoboObject *ical_importer_new (void);
+
+END_GNOME_DECLS
+
+#endif
diff --git a/calendar/importers/icalendar-importer.c b/calendar/importers/icalendar-importer.c
new file mode 100644
index 0000000000..ab3cffcfa2
--- /dev/null
+++ b/calendar/importers/icalendar-importer.c
@@ -0,0 +1,238 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Evolution calendar importer component
+ *
+ * Authors: Rodrigo Moya <rodrigo@ximian.com>
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <gtk/gtksignal.h>
+#include <cal-client.h>
+#include <importer/evolution-importer.h>
+#include <importer/GNOME_Evolution_Importer.h>
+#include "evolution-calendar-importer.h"
+
+typedef struct {
+	CalClient *client;
+	EvolutionImporter *importer;
+	icalcomponent *icalcomp;
+} ICalImporter;
+
+static void
+importer_destroy_cb (GtkObject *object, gpointer user_data)
+{
+	ICalImporter *ici = (ICalImporter *) user_data;
+
+	g_return_if_fail (ici != NULL);
+
+	gtk_object_unref (GTK_OBJECT (ici->client));
+	if (ici->icalcomp != NULL)
+		icalcomponent_free (ici->icalcomp);
+	g_free (ici);
+}
+
+static gboolean
+support_format_fn (EvolutionImporter *importer,
+		   const char *filename,
+		   void *closure)
+{
+	int fd;
+	GString *str;
+	icalcomponent *icalcomp;
+	int n;
+	char buffer[2049];
+	gboolean ret = TRUE;
+
+	/* read file contents */
+	fd = open (filename, O_RDONLY);
+	if (fd == -1)
+		return FALSE;
+
+	str = g_string_new ("");
+	while (1) {
+		memset (buffer, 0, sizeof(buffer));
+		n = read (fd, buffer, sizeof (buffer) - 1);
+		if (n > 0) {
+			str = g_string_append (str, buffer);
+		}
+		else if (n == 0)
+			break;
+		else {
+			ret = FALSE;
+			break;
+		}
+	}
+
+	close (fd);
+
+	/* parse the file */
+	if (ret) {
+		icalcomp = icalparser_parse_string (str->str);
+		if (icalcomp)
+			icalcomponent_free (icalcomp);
+		else
+			ret = FALSE;
+	}
+
+	g_string_free (str, TRUE);
+
+	return ret;
+}
+
+static gboolean
+load_file_fn (EvolutionImporter *importer,
+	      const char *filename,
+	      const char *folderpath,
+	      void *closure)
+{
+	int fd;
+	GString *str;
+	icalcomponent *icalcomp;
+	int n;
+	char buffer[2049];
+	char *uri_str;
+	gboolean ret = TRUE;
+	ICalImporter *ici = (ICalImporter *) closure;
+
+	g_return_val_if_fail (ici != NULL, FALSE);
+
+	if (folderpath == NULL || *folderpath == '\0')
+		uri_str = g_strdup_printf ("%s/evolution/local/Calendar/calendar.ics",
+					   g_get_home_dir ());
+	else {
+		char *name;
+		char *parent;
+
+		name = strrchr (folderpath, '/');
+		if (!name) {
+			parent = g_strdup ("evolution/local/");
+			name = folderpath;
+		}
+		else {
+			name += 1;
+			parent = g_strdup ("evolution/local/Calendar/subfolders/");
+		}
+		uri_str = g_strdup_printf ("%s/%s%s/calendar.ics", g_get_home_dir (),
+					   parent, name);
+	}
+
+	/* read file contents */
+	fd = open (filename, O_RDONLY);
+	if (fd == -1)
+		return FALSE;
+
+	str = g_string_new ("");
+	while (1) {
+		memset (buffer, 0, sizeof(buffer));
+		n = read (fd, buffer, sizeof (buffer) - 1);
+		if (n > 0) {
+			str = g_string_append (str, buffer);
+		}
+		else if (n == 0)
+			break;
+		else {
+			ret = FALSE;
+			break;
+		}
+	}
+
+	close (fd);
+
+	/* parse the file */
+	if (ret) {
+		icalcomp = icalparser_parse_string (str->str);
+		if (icalcomp) {
+			if (!cal_client_open_calendar (ici->client, uri_str, TRUE))
+				ret = FALSE;
+			else
+				ici->icalcomp = icalcomp;
+		}
+		else
+			ret = FALSE;
+	}
+
+	g_string_free (str, TRUE);
+	g_free (uri_str);
+
+	return ret;
+}
+
+static void
+process_item_fn (EvolutionImporter *importer,
+		 CORBA_Object listener,
+		 void *closure,
+		 CORBA_Environment *ev)
+{
+	CalClientLoadState state;
+	ICalImporter *ici = (ICalImporter *) closure;
+
+	g_return_if_fail (ici != NULL);
+	g_return_if_fail (IS_CAL_CLIENT (ici->client));
+	g_return_if_fail (ici->icalcomp != NULL);
+
+	state = cal_client_get_load_state (ici->client);
+	if (state == CAL_CLIENT_LOAD_LOADING) {
+		GNOME_Evolution_ImporterListener_notifyResult (
+			listener,
+			GNOME_Evolution_ImporterListener_NOT_READY,
+			TRUE, ev);
+		return;
+	}
+	else if (state != CAL_CLIENT_LOAD_LOADED) {
+		GNOME_Evolution_ImporterListener_notifyResult (
+			listener,
+			GNOME_Evolution_ImporterListener_UNSUPPORTED_OPERATION,
+			FALSE, ev);
+		return;
+	}
+
+	/* import objects into the given client */
+	if (!cal_client_update_objects (ici->client, ici->icalcomp)) {
+		g_warning ("Could not update objects");
+		GNOME_Evolution_ImporterListener_notifyResult (
+			listener,
+			GNOME_Evolution_ImporterListener_BAD_DATA,
+			FALSE, ev);
+	}
+	else {
+		GNOME_Evolution_ImporterListener_notifyResult (
+			listener,
+			GNOME_Evolution_ImporterListener_OK,
+			FALSE, ev);
+	}
+}
+
+BonoboObject *
+ical_importer_new (void)
+{
+	ICalImporter *ici;
+
+	ici = g_new0 (ICalImporter, 1);
+	ici->client = cal_client_new ();
+	ici->icalcomp = NULL;
+	ici->importer = evolution_importer_new (support_format_fn,
+						load_file_fn,
+						process_item_fn,
+						NULL,
+						ici);
+	gtk_signal_connect (GTK_OBJECT (ici->importer), "destroy",
+			    GTK_SIGNAL_FUNC (importer_destroy_cb), ici);
+
+	return BONOBO_OBJECT (ici->importer);
+}
diff --git a/calendar/importers/main.c b/calendar/importers/main.c
new file mode 100644
index 0000000000..aaf4ced23a
--- /dev/null
+++ b/calendar/importers/main.c
@@ -0,0 +1,83 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Evolution calendar importer component
+ *
+ * Authors: Rodrigo Moya <rodrigo@ximian.com>
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <bonobo/bonobo-generic-factory.h>
+#include "evolution-calendar-importer.h"
+
+#define IMPORTER_FACTORY_ID   "OAFIID:GNOME_Evolution_Calendar_ImporterFactory"
+#define ICALENDAR_IMPORTER_ID "OAFIID:GNOME_Evolution_Calendar_iCalendar_Importer"
+
+static BonoboObject *
+importer_factory_fn (BonoboGenericFactory *factory, const char *id, void *closure)
+{
+	BonoboObject *object = NULL;
+
+	g_return_val_if_fail (id != NULL, NULL);
+
+	if (!strcmp (id, ICALENDAR_IMPORTER_ID))
+		object = ical_importer_new ();
+	else
+		g_warning ("Component not supporte by this factory");
+
+	return object;
+}
+
+static void
+init_importer (void)
+{
+	BonoboGenericFactory *factory;
+
+	factory = bonobo_generic_factory_new_multi (IMPORTER_FACTORY_ID,
+						    importer_factory_fn, NULL);
+	if (factory == NULL) {
+		g_error ("Unable to create factory");
+		exit (0);
+	}
+
+	bonobo_running_context_auto_exit_unref (BONOBO_OBJECT (factory));
+}
+
+int
+main (int argc, char *argv[])
+{
+	CORBA_ORB orb;
+
+	bindtextdomain(PACKAGE, EVOLUTION_LOCALEDIR);
+	textdomain(PACKAGE);
+	
+	gnome_init_with_popt_table ("evolution-calendar-importer",
+				    VERSION, argc, argv, oaf_popt_options, 0,
+				    NULL);
+	orb = oaf_init (argc, argv);
+	if (bonobo_init (orb, CORBA_OBJECT_NIL, CORBA_OBJECT_NIL) == FALSE) {
+		g_error ("Could not initialize Bonobo.");
+		exit (0);
+	}
+
+	init_importer ();
+	bonobo_main ();
+
+	return 0;
+}