path: root/addressbook/backend/ebook/evolution-vcard-importer.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#include <config.h>
#include <stdio.h>

#include <liboaf/liboaf.h>
#include <bonobo/bonobo-context.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-main.h>

#include <e-book.h>

#include <importer/evolution-importer.h>
#include <importer/GNOME_Evolution_Importer.h>

#define COMPONENT_FACTORY_IID "OAFIID:GNOME_Evolution_Addressbook_VCard_ImporterFactory"

static BonoboGenericFactory *factory = NULL;

typedef struct {
    char *filename;
    GList *cardlist;
    GList *iterator;
    EBook *book;
    gboolean ready;
} VCardImporter;

static void
add_card_cb (EBook *book, EBookStatus status, const gchar *id, gpointer closure)
{
    ECard *card = E_CARD(closure);
    char *vcard = e_card_get_vcard(card);

    g_free(vcard);
    gtk_object_unref(GTK_OBJECT(card));
}

static void
book_open_cb (EBook *book, EBookStatus status, gpointer closure)
{
    VCardImporter *gci = (VCardImporter *) closure;

    gci->cardlist = e_card_load_cards_from_file(gci->filename);
    gci->ready = TRUE;
}

static void
ebook_create (VCardImporter *gci)
{
    gchar *path, *uri;
    
    gci->book = e_book_new ();

    if (!gci->book) {
        printf ("%s: %s(): Couldn't create EBook, bailing.\n",
            __FILE__,
            __FUNCTION__);
        return;
    }

    path = g_concat_dir_and_file (g_get_home_dir (),
                      "evolution/local/Contacts/addressbook.db");
    uri = g_strdup_printf ("file://%s", path);
    g_free (path);

    if (! e_book_load_uri (gci->book, uri, book_open_cb, gci)) {
        printf ("error calling load_uri!\n");
    }
    g_free(uri);
}

/* EvolutionImporter methods */
static void
process_item_fn (EvolutionImporter *importer,
         CORBA_Object listener,
         void *closure,
         CORBA_Environment *ev)
{
    VCardImporter *gci = (VCardImporter *) closure;
    ECard *card;

    if (gci->iterator == NULL)
        gci->iterator = gci->cardlist;
    
    if (gci->ready == FALSE) {
        GNOME_Evolution_ImporterListener_notifyResult (listener,
                                   GNOME_Evolution_ImporterListener_NOT_READY,
                                   gci->iterator ? TRUE : FALSE, 
                                   ev);
        return;
    }
    
    if (gci->iterator == NULL) {
        GNOME_Evolution_ImporterListener_notifyResult (listener,
                                   GNOME_Evolution_ImporterListener_UNSUPPORTED_OPERATION,
                                   FALSE, ev);
        return;
    }
    
    card = gci->iterator->data;
    e_book_add_card (gci->book, card, add_card_cb, card);
    
    gci->iterator = gci->iterator->next;
    
    GNOME_Evolution_ImporterListener_notifyResult (listener,
                               GNOME_Evolution_ImporterListener_OK,
                               gci->iterator ? TRUE : FALSE, 
                               ev);
    if (ev->_major != CORBA_NO_EXCEPTION) {
        g_warning ("Error notifying listeners.");
    }
    
    return;
}

static char *supported_extensions[3] = {
    ".vcf", ".gcrd", NULL
};

/* Actually check the contents of this file */
static gboolean
check_file_is_vcard (const char *filename)
{
    FILE *handle;
    char line[4096];
    gboolean result;

    handle = fopen (filename, "r");
    if (handle == NULL) {
        return FALSE;
    }
        
    fgets (line, 4096, handle);
    if (line == NULL) {
        fclose (handle);
        return FALSE;
    }

    if (strcmp (line, "BEGIN:VCARD") == 0) {
        result = TRUE;
    } else {
        result = FALSE;
    }

    fclose (handle);
    return result;
}

static gboolean
support_format_fn (EvolutionImporter *importer,
           const char *filename,
           void *closure)
{
    char *ext;
    int i;

    ext = strrchr (filename, '.');
    for (i = 0; supported_extensions[i] != NULL; i++) {
        if (strcmp (supported_extensions[i], ext) == 0)
            return check_file_is_vcard (filename);
    }

    return FALSE;
}

static void
importer_destroy_cb (GtkObject *object,
             VCardImporter *gci)
{
    gtk_main_quit ();
}

static gboolean
load_file_fn (EvolutionImporter *importer,
          const char *filename,
          const char *folderpath,
          void *closure)
{
    VCardImporter *gci;

    gci = (VCardImporter *) closure;
    gci->filename = g_strdup (filename);
    gci->cardlist = NULL;
    gci->iterator = NULL;
    gci->ready = FALSE;
    ebook_create (gci);

    return TRUE;
}
                       
static BonoboObject *
factory_fn (BonoboGenericFactory *_factory,
        void *closure)
{
    EvolutionImporter *importer;
    VCardImporter *gci;

    gci = g_new (VCardImporter, 1);
    importer = evolution_importer_new (support_format_fn, load_file_fn, 
                       process_item_fn, NULL, gci);
    
    gtk_signal_connect (GTK_OBJECT (importer), "destroy",
                GTK_SIGNAL_FUNC (importer_destroy_cb), gci);
    
    return BONOBO_OBJECT (importer);
}

static void
importer_init (void)
{
    if (factory != NULL)
        return;

    factory = bonobo_generic_factory_new (COMPONENT_FACTORY_IID, 
                          factory_fn, NULL);

    if (factory == NULL) {
        g_error ("Unable to create factory");
    }

    bonobo_running_context_auto_exit_unref (BONOBO_OBJECT (factory));
}

int
main (int argc,
      char **argv)
{
    CORBA_ORB orb;
    
    gnome_init_with_popt_table ("Evolution-VCard-Importer",
                    PACKAGE, 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.");
    }

    importer_init ();
    bonobo_main ();

    return 0;
}