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 <string.h>

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

#include <e-book.h>
#include <e-book-util.h>

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

#include <e-util/e-path.h>

#define COMPONENT_FACTORY_IID "OAFIID:GNOME_Evolution_Addressbook_VCard_ImporterFactory"
#define COMPONENT_IID "OAFIID:GNOME_Evolution_Addressbook_VCard_Importer"

typedef struct {
    char *filename;
    char *folderpath;
    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);
    g_object_unref(card);
}

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

    gci->cardlist = e_card_load_cards_from_file_with_default_charset(gci->filename, "ISO-8859-1");
    gci->ready = TRUE;
}

static void
ebook_create (VCardImporter *gci)
{
#if 0
    gchar *path, *uri;
    gchar *epath;
#endif
    
    gci->book = e_book_new ();

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

#if 0
    path = g_concat_dir_and_file (g_get_home_dir (), "evolution/local");
    uri = g_strdup_printf ("file://%s", path);
    g_free (path);

    epath = e_path_to_physical (uri, gci->folderpath);
    g_free (uri);
    uri = g_strdup_printf ("%s/addressbook.db", epath);
    g_free (epath);

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

    if (! e_book_load_default_book (gci->book, book_open_cb, gci)) {
        g_warning ("Error calling load_default_book");
    }
}

/* 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) {
        g_print ("\n");
        return FALSE;
    }
        
    fgets (line, 4096, handle);
    if (line == NULL) {
        fclose (handle);
        g_print ("\n");
        return FALSE;
    }

    if (g_ascii_strncasecmp (line, "BEGIN:VCARD", 11) == 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, '.');
    if (ext == NULL) {
        return check_file_is_vcard (filename);
    }
    for (i = 0; supported_extensions[i] != NULL; i++) {
        if (g_ascii_strcasecmp (supported_extensions[i], ext) == 0)
            return check_file_is_vcard (filename);
    }

    return FALSE;
}

static void
importer_destroy_cb (gpointer data,
             GObject *where_object_was)
{
    bonobo_main_quit ();
}

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

    if (check_file_is_vcard (filename) == FALSE) {
        return FALSE;
    }

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

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

    if (!strcmp (component_id, COMPONENT_IID)) {
        gci = g_new (VCardImporter, 1);
        importer = evolution_importer_new (support_format_fn, load_file_fn, 
                           process_item_fn, NULL, gci);
    
        g_object_weak_ref (G_OBJECT (importer),
                   importer_destroy_cb, gci);
        return BONOBO_OBJECT (importer);
    }
    else {
        g_warning (COMPONENT_FACTORY_IID ": Don't know what to do with %s", component_id);
        return NULL;
    }
}

BONOBO_ACTIVATION_FACTORY (COMPONENT_FACTORY_IID, "Evolution VCard Importer Factory", VERSION, factory_fn, NULL);