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path: root/addressbook/importers/evolution-vcard-importer.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar importer component
 *
 * Copyright (C) 2004  Novell, 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.
 *
 * Authors: Chris Toshok <toshok@ximian.com>
 *          JP Rosevear <jpr@ximian.com>
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <string.h>

#include <gtk/gtkcheckbutton.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkmain.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkradiobutton.h>
#include <gtk/gtknotebook.h>
#include <bonobo/bonobo-context.h>
#include <bonobo/bonobo-shlib-factory.h>
#include <bonobo/bonobo-control.h>

#include <libebook/e-book.h>

#include <importer/evolution-importer.h>
#include <importer/GNOME_Evolution_Importer.h>
#include <widgets/misc/e-source-selector.h>
#include <util/eab-book-util.h>
#include <util/e-destination.h>

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

typedef struct {
    ESource *primary;
    
    GList *contactlist;
    GList *iterator;
    EBook *book;
    gboolean ready;
} VCardImporter;

static void
add_to_notes (EContact *contact, EContactField field)
{
    const gchar *old_text;
    const gchar *field_text;
    gchar       *new_text;

    old_text = e_contact_get_const (contact, E_CONTACT_NOTE);
    if (old_text && strstr (old_text, e_contact_pretty_name (field)))
        return;

    field_text = e_contact_get_const (contact, field);
    if (!field_text || !*field_text)
        return;

    new_text = g_strdup_printf ("%s%s%s: %s",
                    old_text ? old_text : "",
                    old_text && *old_text &&
                    *(old_text + strlen (old_text) - 1) != '\n' ? "\n" : "",
                    e_contact_pretty_name (field), field_text);
    e_contact_set (contact, E_CONTACT_NOTE, new_text);
    g_free (new_text);
}

/* EvolutionImporter methods */
static void
process_item_fn (EvolutionImporter *importer,
         CORBA_Object listener,
         void *closure,
         CORBA_Environment *ev)
{
    VCardImporter *gci = (VCardImporter *) closure;
    EContact *contact;
    EContactPhoto *photo;
    GList *attrs, *attr;

    if (gci->iterator == NULL)
        gci->iterator = gci->contactlist;
    
    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;
    }
    
    contact = gci->iterator->data;

    /* Apple's addressbook.app exports PHOTO's without a TYPE
       param, so let's figure out the format here if there's a
       PHOTO attribute missing a TYPE param.

       this is sort of a hack, as EContact sets the type for us if
       we use the setter.  so let's e_contact_get + e_contact_set
       on E_CONTACT_PHOTO.
    */
    photo = e_contact_get (contact, E_CONTACT_PHOTO);
    if (photo) {
        e_contact_set (contact, E_CONTACT_PHOTO, photo);
        e_contact_photo_free (photo);
    }

    /* Deal with our XML EDestination stuff in EMAIL attributes, if there is any. */
    attrs = e_contact_get_attributes (contact, E_CONTACT_EMAIL);
    for (attr = attrs; attr; attr = attr->next) {
        EVCardAttribute *a = attr->data;
        GList *v = e_vcard_attribute_get_values (a);

        if (v && v->data) {
            if (!strncmp ((char*)v->data, "<?xml", 5)) {
                EDestination *dest = e_destination_import ((char*)v->data);

                e_destination_export_to_vcard_attribute (dest, a);

                g_object_unref (dest);

            }
        }
    }
    e_contact_set_attributes (contact, E_CONTACT_EMAIL, attrs);

    /*
      Deal with TEL attributes that don't conform to what we need.

      1. if there's no location (HOME/WORK/OTHER), default to OTHER.
      2. if there's *only* a location specified, default to VOICE.
    */
    attrs = e_vcard_get_attributes (E_VCARD (contact));
    for (attr = attrs; attr; attr = attr->next) {
        EVCardAttribute *a = attr->data;
        gboolean location_only = TRUE;
        gboolean no_location = TRUE;
        GList *params, *param;

        if (g_ascii_strcasecmp (e_vcard_attribute_get_name (a),
                    EVC_TEL))
            continue;

        params = e_vcard_attribute_get_params (a);
        for (param = params; param; param = param->next) {
            EVCardAttributeParam *p = param->data;
            GList *vs, *v;

            if (g_ascii_strcasecmp (e_vcard_attribute_param_get_name (p),
                        EVC_TYPE))
                continue;

            vs = e_vcard_attribute_param_get_values (p);
            for (v = vs; v; v = v->next) {
                if (!g_ascii_strcasecmp ((char*)v->data, "WORK") ||
                    !g_ascii_strcasecmp ((char*)v->data, "HOME") ||
                    !g_ascii_strcasecmp ((char*)v->data, "OTHER"))
                    no_location = FALSE;
                else
                    location_only = FALSE;
            }
        }

        if (location_only) {
            /* add VOICE */
            e_vcard_attribute_add_param_with_value (a,
                                e_vcard_attribute_param_new (EVC_TYPE),
                                "VOICE");
        }
        if (no_location) {
            /* add OTHER */
            e_vcard_attribute_add_param_with_value (a,
                                e_vcard_attribute_param_new (EVC_TYPE),
                                "OTHER");
        }
    }

    /*
      Deal with ADR attributes that don't conform to what we need.

      if HOME or WORK isn't specified, add TYPE=OTHER.
    */
    attrs = e_vcard_get_attributes (E_VCARD (contact));
    for (attr = attrs; attr; attr = attr->next) {
        EVCardAttribute *a = attr->data;
        gboolean no_location = TRUE;
        GList *params, *param;

        if (g_ascii_strcasecmp (e_vcard_attribute_get_name (a),
                    EVC_ADR))
            continue;

        params = e_vcard_attribute_get_params (a);
        for (param = params; param; param = param->next) {
            EVCardAttributeParam *p = param->data;
            GList *vs, *v;

            if (g_ascii_strcasecmp (e_vcard_attribute_param_get_name (p),
                        EVC_TYPE))
                continue;

            vs = e_vcard_attribute_param_get_values (p);
            for (v = vs; v; v = v->next) {
                if (!g_ascii_strcasecmp ((char*)v->data, "WORK") ||
                    !g_ascii_strcasecmp ((char*)v->data, "HOME"))
                    no_location = FALSE;
            }
        }

        if (no_location) {
            /* add OTHER */
            e_vcard_attribute_add_param_with_value (a,
                                e_vcard_attribute_param_new (EVC_TYPE),
                                "OTHER");
        }
    }

    /* Work around the fact that these fields no longer show up in the UI */
    add_to_notes (contact, E_CONTACT_OFFICE);
    add_to_notes (contact, E_CONTACT_SPOUSE);
    add_to_notes (contact, E_CONTACT_BLOG_URL);

    /* FIXME Error checking */
    e_book_add_contact (gci->book, contact, NULL);
    
    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 void
primary_selection_changed_cb (ESourceSelector *selector, gpointer data)
{
    VCardImporter *gci = data;

    if (gci->primary)
        g_object_unref (gci->primary);
    gci->primary = g_object_ref (e_source_selector_peek_primary_selection (selector));
}

static void
create_control_fn (EvolutionImporter *importer, Bonobo_Control *control, void *closure)
{
    VCardImporter *gci = closure;
    GtkWidget *vbox, *selector;
    ESource *primary;
    ESourceList *source_list;   
    
    vbox = gtk_vbox_new (FALSE, FALSE);
    
    /* FIXME Better error handling */
    if (!e_book_get_addressbooks (&source_list, NULL))
        return;     

    selector = e_source_selector_new (source_list);
    e_source_selector_show_selection (E_SOURCE_SELECTOR (selector), FALSE);
    gtk_box_pack_start (GTK_BOX (vbox), selector, FALSE, TRUE, 6);
    
    /* FIXME What if no sources? */
    primary = e_source_list_peek_source_any (source_list);
    e_source_selector_set_primary_selection (E_SOURCE_SELECTOR (selector), primary);
    if (!gci->primary)
        gci->primary = g_object_ref (primary);
    g_object_unref (source_list);
        
    g_signal_connect (G_OBJECT (selector), "primary_selection_changed",
              G_CALLBACK (primary_selection_changed_cb), gci);

    gtk_widget_show_all (vbox);
    
    *control = BONOBO_OBJREF (bonobo_control_new (vbox));
}

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)
{
    VCardImporter *gci = data;

    if (gci->primary)
        g_object_unref (gci->primary);
    
    if (gci->book)
        g_object_unref (gci->book);

    g_list_foreach (gci->contactlist, (GFunc) g_object_unref, NULL);
    g_list_free (gci->contactlist);

    g_free (gci);
}

static gboolean
load_file_fn (EvolutionImporter *importer,
          const char *filename,
          void *closure)
{
    VCardImporter *gci;
    char *contents;
    
    if (check_file_is_vcard (filename) == FALSE) {
        return FALSE;
    }

    gci = (VCardImporter *) closure;
    gci->contactlist = NULL;
    gci->iterator = NULL;
    gci->ready = FALSE;
    
    /* Load the book */
    gci->book = e_book_new (gci->primary, NULL);
    if (!gci->book) {
        g_message (G_STRLOC ":Couldn't create EBook.");
        return FALSE;
    }
    e_book_open (gci->book, TRUE, NULL);

    /* Load the file and the contacts */
    if (!g_file_get_contents (filename, &contents, NULL, NULL)) {
        g_message (G_STRLOC ":Couldn't read file.");
        return FALSE;
    }   
    gci->contactlist = eab_contact_list_from_string (contents);
    g_free (contents);

    gci->ready = TRUE;

    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_new0 (VCardImporter, 1);
        importer = evolution_importer_new (create_control_fn, 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_SHLIB_FACTORY (COMPONENT_FACTORY_IID, "Evolution VCard Importer Factory", factory_fn, NULL)