path: root/addressbook/conduit/address-conduit.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution addressbook - Address Conduit
 *
 * Copyright (C) 1998 Free Software Foundation
 * Copyright (C) 2000 Ximian, Inc.
 *
 * Authors: Eskil Heyn Olsen <deity@eskil.dk>
 *          JP Rosevear <jpr@ximian.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */


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

#define G_LOG_DOMAIN "eaddrconduit"

#include <bonobo.h>
#include <libxml/parser.h>
#include <pi-source.h>
#include <pi-socket.h>
#include <pi-dlp.h>
#include <pi-address.h>
#include <libedataserver/e-url.h>
#include <libedataserverui/e-passwords.h>
#include <libebook/e-book.h>
#include <gpilotd/gnome-pilot-conduit.h>
#include <gpilotd/gnome-pilot-conduit-sync-abs.h>
#include <libgpilotdCM/gnome-pilot-conduit-management.h>
#include <libgpilotdCM/gnome-pilot-conduit-config.h>
#include <e-dialog-widgets.h>
#include <e-pilot-map.h>
#include <e-pilot-settings.h>
#include <e-pilot-util.h>

GnomePilotConduit * conduit_get_gpilot_conduit (guint32);
void conduit_destroy_gpilot_conduit (GnomePilotConduit*);

#define CONDUIT_VERSION "0.1.2"

#define DEBUG_CONDUIT 1
/* #undef DEBUG_CONDUIT */

#ifdef DEBUG_CONDUIT
#define LOG(x) x
#else
#define LOG(x)
#endif

#define WARN g_warning
#define INFO g_message

enum {
    LABEL_WORK,
    LABEL_HOME,
    LABEL_FAX,
    LABEL_OTHER,
    LABEL_EMAIL,
    LABEL_MAIN,
    LABEL_PAGER,
    LABEL_MOBILE
};

static EContactField priority [] = {
    E_CONTACT_PHONE_BUSINESS,
    E_CONTACT_PHONE_HOME,
    E_CONTACT_PHONE_BUSINESS_FAX,
    E_CONTACT_EMAIL_1,
    E_CONTACT_PHONE_PAGER,
    E_CONTACT_PHONE_MOBILE,
    E_CONTACT_PHONE_BUSINESS_2,
    E_CONTACT_PHONE_HOME_2,
    E_CONTACT_PHONE_HOME_FAX,
    E_CONTACT_EMAIL_2,
    E_CONTACT_PHONE_OTHER,
    E_CONTACT_PHONE_PRIMARY,
    E_CONTACT_PHONE_OTHER_FAX,
    E_CONTACT_EMAIL_3,
    E_CONTACT_FIELD_LAST
};

static int priority_label [] = {
    LABEL_WORK,
    LABEL_HOME,
    LABEL_FAX,
    LABEL_EMAIL,
    LABEL_PAGER,
    LABEL_MOBILE,
    LABEL_WORK,
    LABEL_HOME,
    LABEL_FAX,
    LABEL_EMAIL,
    LABEL_OTHER,
    LABEL_MAIN,
    LABEL_FAX,
    LABEL_EMAIL,
    -1
};

typedef struct _EAddrLocalRecord EAddrLocalRecord;
typedef struct _EAddrConduitCfg EAddrConduitCfg;
typedef struct _EAddrConduitGui EAddrConduitGui;
typedef struct _EAddrConduitContext EAddrConduitContext;

/* Local Record */
struct _EAddrLocalRecord {
    /* The stuff from gnome-pilot-conduit-standard-abs.h
       Must be first in the structure, or instances of this
       structure cannot be used by gnome-pilot-conduit-standard-abs.
    */
    GnomePilotDesktopRecord local;

    /* The corresponding ECard object */
    EContact *contact;

        /* pilot-link address structure, used for implementing Transmit. */
    struct Address *addr;
};


static void
addrconduit_destroy_record (EAddrLocalRecord *local)
{
    g_object_unref (local->contact);
    free_Address (local->addr);
    g_free (local->addr);
    g_free (local);
}

/* Configuration */
struct _EAddrConduitCfg {
    guint32 pilot_id;
    GnomePilotConduitSyncType  sync_type;

    ESourceList *source_list;
    ESource *source;
    gboolean secret;
    EContactField default_address;

    gchar *last_uri;
};

static EAddrConduitCfg *
addrconduit_load_configuration (guint32 pilot_id)
{
    EAddrConduitCfg *c;
    GnomePilotConduitManagement *management;
    GnomePilotConduitConfig *config;
    gchar *address, prefix[256];
    g_snprintf (prefix, 255, "/gnome-pilot.d/e-address-conduit/Pilot_%u/",
            pilot_id);

    c = g_new0 (EAddrConduitCfg,1);
    g_assert (c != NULL);

    c->pilot_id = pilot_id;
    management = gnome_pilot_conduit_management_new ("e_address_conduit", GNOME_PILOT_CONDUIT_MGMT_ID);
    g_object_ref_sink (management);
    config = gnome_pilot_conduit_config_new (management, pilot_id);
    g_object_ref_sink (config);
    if (!gnome_pilot_conduit_config_is_enabled (config, &c->sync_type))
        c->sync_type = GnomePilotConduitSyncTypeNotSet;
    gtk_object_unref (GTK_OBJECT (config));
    gtk_object_unref (GTK_OBJECT (management));

    /* Custom settings */
    gnome_config_push_prefix (prefix);

    if (!e_book_get_addressbooks (&c->source_list, NULL))
        c->source_list = NULL;
    if (c->source_list) {
        c->source = e_pilot_get_sync_source (c->source_list);
        if (!c->source)
            c->source = e_source_list_peek_source_any (c->source_list);
        if (c->source) {
            g_object_ref (c->source);
        } else {
            g_object_unref (c->source_list);
            c->source_list = NULL;
        }
    }

    c->secret = gnome_config_get_bool ("secret=FALSE");
    address = gnome_config_get_string ("default_address=business");
    if (!strcmp (address, "business"))
        c->default_address = E_CONTACT_ADDRESS_WORK;
    else if (!strcmp (address, "home"))
        c->default_address = E_CONTACT_ADDRESS_HOME;
    else if (!strcmp (address, "other"))
        c->default_address = E_CONTACT_ADDRESS_OTHER;
    g_free (address);
    c->last_uri = gnome_config_get_string ("last_uri");

    gnome_config_pop_prefix ();

    return c;
}

static void
addrconduit_save_configuration (EAddrConduitCfg *c)
{
    gchar prefix[256];

    g_snprintf (prefix, 255, "/gnome-pilot.d/e-address-conduit/Pilot_%u/",
            c->pilot_id);

    gnome_config_push_prefix (prefix);
    e_pilot_set_sync_source (c->source_list, c->source);
    gnome_config_set_bool ("secret", c->secret);
    switch (c->default_address) {
    case E_CONTACT_ADDRESS_WORK:
        gnome_config_set_string ("default_address", "business");
        break;
    case E_CONTACT_ADDRESS_HOME:
        gnome_config_set_string ("default_address", "home");
        break;
    case E_CONTACT_ADDRESS_OTHER:
        gnome_config_set_string ("default_address", "other");
        break;
    default:
        g_warning ("Unknown default_address value");
    }
    gnome_config_set_string ("last_uri", c->last_uri);
    gnome_config_pop_prefix ();

    gnome_config_sync ();
    gnome_config_drop_all ();
}

static EAddrConduitCfg*
addrconduit_dupe_configuration (EAddrConduitCfg *c)
{
    EAddrConduitCfg *retval;

    g_return_val_if_fail (c != NULL, NULL);

    retval = g_new0 (EAddrConduitCfg, 1);
    retval->sync_type = c->sync_type;
    retval->pilot_id = c->pilot_id;

    if (c->source_list)
        retval->source_list = g_object_ref (c->source_list);
    if (c->source)
        retval->source = g_object_ref (c->source);
    retval->secret = c->secret;
    retval->default_address = c->default_address;
    retval->last_uri = g_strdup (c->last_uri);

    return retval;
}

static void
addrconduit_destroy_configuration (EAddrConduitCfg *c)
{
    g_return_if_fail (c != NULL);

    g_object_unref (c->source_list);
    g_object_unref (c->source);
    g_free (c->last_uri);
    g_free (c);
}

/* Gui */
struct _EAddrConduitGui {
    GtkWidget *default_address;
};

static EAddrConduitGui *
e_addr_gui_new (EPilotSettings *ps)
{
    EAddrConduitGui *gui;
    GtkWidget *lbl, *menu;
    gint rows, i;
    static const char *items[] = {"Business", "Home", "Other", NULL};

    g_return_val_if_fail (ps != NULL, NULL);
    g_return_val_if_fail (E_IS_PILOT_SETTINGS (ps), NULL);

    gtk_table_resize (GTK_TABLE (ps), E_PILOT_SETTINGS_TABLE_ROWS + 1,
              E_PILOT_SETTINGS_TABLE_COLS);

    gui = g_new0 (EAddrConduitGui, 1);

    rows = E_PILOT_SETTINGS_TABLE_ROWS;
    lbl = gtk_label_new (_("Default Sync Address:"));
    gtk_misc_set_alignment (GTK_MISC (lbl), 0.0, 0.5);
    gui->default_address = gtk_option_menu_new ();
    menu = gtk_menu_new ();
    for (i = 0; items[i] != NULL; i++) {
        GtkWidget *item;

        item = gtk_menu_item_new_with_label (items[i]);
        gtk_widget_show (item);

        gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
    }
    gtk_widget_show (menu);
    gtk_option_menu_set_menu (GTK_OPTION_MENU (gui->default_address), menu);
    gtk_table_attach_defaults (GTK_TABLE (ps), lbl, 0, 1, rows, rows + 1);
        gtk_table_attach_defaults (GTK_TABLE (ps), gui->default_address, 1, 2, rows, rows + 1);
    gtk_widget_show (lbl);
    gtk_widget_show (gui->default_address);

    return gui;
}

static const int default_address_map[] = {
    E_CONTACT_ADDRESS_WORK,
    E_CONTACT_ADDRESS_HOME,
    E_CONTACT_ADDRESS_OTHER,
    -1
};

static void
e_addr_gui_fill_widgets (EAddrConduitGui *gui, EAddrConduitCfg *cfg)
{
    g_return_if_fail (gui != NULL);
    g_return_if_fail (cfg != NULL);

    e_dialog_option_menu_set (gui->default_address,
                  cfg->default_address,
                  default_address_map);
}

static void
e_addr_gui_fill_config (EAddrConduitGui *gui, EAddrConduitCfg *cfg)
{
    g_return_if_fail (gui != NULL);
    g_return_if_fail (cfg != NULL);

    cfg->default_address = e_dialog_option_menu_get (gui->default_address,
                             default_address_map);
}

static void
e_addr_gui_destroy (EAddrConduitGui *gui)
{
    g_free (gui);
}

/* Context */
struct _EAddrConduitContext {
    GnomePilotDBInfo *dbi;

    EAddrConduitCfg *cfg;
    EAddrConduitCfg *new_cfg;
    EAddrConduitGui *gui;
    GtkWidget *ps;

    struct AddressAppInfo ai;

    EBook *ebook;
    GList *cards;
    GList *changed;
    GHashTable *changed_hash;
    GList *locals;

    EPilotMap *map;
};

static EAddrConduitContext *
e_addr_context_new (guint32 pilot_id)
{
    EAddrConduitContext *ctxt = g_new0 (EAddrConduitContext, 1);

    ctxt->cfg = addrconduit_load_configuration (pilot_id);
    ctxt->new_cfg = addrconduit_dupe_configuration (ctxt->cfg);
    ctxt->gui = NULL;
    ctxt->ps = NULL;
    ctxt->ebook = NULL;
    ctxt->cards = NULL;
    ctxt->changed_hash = NULL;
    ctxt->changed = NULL;
    ctxt->locals = NULL;
    ctxt->map = NULL;

    return ctxt;
}

static void
e_addr_context_destroy (EAddrConduitContext *ctxt)
{
    GList *l;

    g_return_if_fail (ctxt != NULL);

    if (ctxt->cfg != NULL)
        addrconduit_destroy_configuration (ctxt->cfg);
    if (ctxt->new_cfg != NULL)
        addrconduit_destroy_configuration (ctxt->new_cfg);
    if (ctxt->gui != NULL)
        e_addr_gui_destroy (ctxt->gui);

    if (ctxt->ebook != NULL)
        g_object_unref (ctxt->ebook);

    if (ctxt->cards != NULL) {
        for (l = ctxt->cards; l != NULL; l = l->next)
            g_object_unref (l->data);
        g_list_free (ctxt->cards);
    }

    if (ctxt->changed_hash != NULL)
        g_hash_table_destroy (ctxt->changed_hash);

    if (ctxt->changed != NULL)
        e_book_free_change_list (ctxt->changed);

    if (ctxt->locals != NULL) {
        for (l = ctxt->locals; l != NULL; l = l->next)
            addrconduit_destroy_record (l->data);
        g_list_free (ctxt->locals);
    }

    if (ctxt->map != NULL)
        e_pilot_map_destroy (ctxt->map);

    g_free (ctxt);
}

/* Debug routines */
static char *
print_local (EAddrLocalRecord *local)
{
    static char buff[ 4096 ];

    if (local == NULL) {
        sprintf (buff, "[NULL]");
        return buff;
    }

    if (local->addr) {
        g_snprintf (buff, 4096, "['%s' '%s' '%s']",
                local->addr->entry[entryLastname] ?
                local->addr->entry[entryLastname] : "",
                local->addr->entry[entryFirstname] ?
                local->addr->entry[entryFirstname] : "",
                local->addr->entry[entryCompany] ?
                local->addr->entry[entryCompany] : "");
        return buff;
    }

    return "";
}

static char *print_remote (GnomePilotRecord *remote)
{
    static char buff[ 4096 ];
    struct Address addr;
#ifdef PILOT_LINK_0_12
    pi_buffer_t * buffer;
#endif

    if (remote == NULL) {
        sprintf (buff, "[NULL]");
        return buff;
    }

    memset (&addr, 0, sizeof (struct Address));
#ifdef PILOT_LINK_0_12
    buffer = pi_buffer_new(DLP_BUF_SIZE);
    if(buffer == NULL){
        sprintf (buff, "[NULL]");
        return buff;
    }
    if(pi_buffer_append(buffer, remote->record, remote->length)==NULL){
        sprintf (buff, "[NULL]");
        return buff;
    }
    unpack_Address (&addr, buffer, address_v1);
    pi_buffer_free(buffer);
#else
    unpack_Address (&addr, remote->record, remote->length);
#endif

    g_snprintf (buff, 4096, "['%s' '%s' '%s']",
            addr.entry[entryLastname] ?
            addr.entry[entryLastname] : "",
            addr.entry[entryFirstname] ?
            addr.entry[entryFirstname] : "",
            addr.entry[entryCompany] ?
            addr.entry[entryCompany] : "");

    free_Address (&addr);

    return buff;
}

/* Utility routines */
static char *
map_name (EAddrConduitContext *ctxt)
{
    char *filename = NULL;

    filename = g_strdup_printf ("%s/.evolution/addressbook/local/system/pilot-map-%d.xml", g_get_home_dir (), ctxt->cfg->pilot_id);

    return filename;
}

static GList *
next_changed_item (EAddrConduitContext *ctxt, GList *changes)
{
    EBookChange *ebc;
    GList *l;

    for (l = changes; l != NULL; l = l->next) {
        ebc = l->data;

        if (g_hash_table_lookup (ctxt->changed_hash, e_contact_get_const (ebc->contact, E_CONTACT_UID)))
            return l;
    }

    return NULL;
}

static EContactField
get_next_mail (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_EMAIL_1;

    switch (*field) {
    case E_CONTACT_EMAIL_1:
        return E_CONTACT_EMAIL_2;
    case E_CONTACT_EMAIL_2:
        return E_CONTACT_EMAIL_3;
    default:
        break;
    }

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_home (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_HOME;

    switch (*field) {
    case E_CONTACT_PHONE_HOME:
        return E_CONTACT_PHONE_HOME_2;
    default:
        break;
    }

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_work (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_BUSINESS;

    switch (*field) {
    case E_CONTACT_PHONE_BUSINESS:
        return E_CONTACT_PHONE_BUSINESS_2;
    default:
        break;
    }

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_fax (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_BUSINESS_FAX;

    switch (*field) {
    case E_CONTACT_PHONE_BUSINESS_FAX:
        return E_CONTACT_PHONE_HOME_FAX;
    case E_CONTACT_PHONE_HOME_FAX:
        return E_CONTACT_PHONE_OTHER_FAX;
    default:
        break;
    }

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_other (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_OTHER;

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_main (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_PRIMARY;

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_pager (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_PAGER;

    return E_CONTACT_FIELD_LAST;
}

static EContactField
get_next_mobile (EContactField *field)
{
    if (field == NULL)
        return E_CONTACT_PHONE_MOBILE;

    return E_CONTACT_FIELD_LAST;
}

static void
get_next_init (EContactField *next_mail,
           EContactField *next_home,
           EContactField *next_work,
           EContactField *next_fax,
           EContactField *next_other,
           EContactField *next_main,
           EContactField *next_pager,
           EContactField *next_mobile)
{
    *next_mail = get_next_mail (NULL);
    *next_home = get_next_home (NULL);
    *next_work = get_next_work (NULL);
    *next_fax = get_next_fax (NULL);
    *next_other = get_next_other (NULL);
    *next_main = get_next_main (NULL);
    *next_pager = get_next_pager (NULL);
    *next_mobile = get_next_mobile (NULL);
}

static gboolean
is_next_done (EContactField field)
{
    if (field == E_CONTACT_FIELD_LAST)
        return TRUE;

    return FALSE;
}

static gboolean
is_syncable (EAddrConduitContext *ctxt, EAddrLocalRecord *local)
{
    EContactField next_mail, next_home, next_work, next_fax;
    EContactField next_other, next_main, next_pager, next_mobile;
    gboolean syncable = TRUE;
    int i, l = 0;

    /* See if there are fields we can't sync or not in priority order */
    get_next_init (&next_mail, &next_home, &next_work, &next_fax,
               &next_other, &next_main, &next_pager, &next_mobile);

    for (i = entryPhone1; i <= entryPhone5 && syncable; i++) {
        int phonelabel = local->addr->phoneLabel[i - entryPhone1];
        const char *phone_str = local->addr->entry[i];
        gboolean empty = !(phone_str && *phone_str);

        if (empty)
            continue;

        for ( ; priority_label[l] != -1; l++)
            if (phonelabel == priority_label[l])
                break;

        if (priority_label[l] == -1) {
            syncable = FALSE;
            continue;
        }

        if (phonelabel == LABEL_EMAIL) {
            if (is_next_done (next_mail) || next_mail != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_mail = get_next_mail (&next_mail);
        } else if (phonelabel == LABEL_HOME) {
            if (is_next_done (next_home) || next_home != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_home = get_next_home (&next_home);
        } else if (phonelabel == LABEL_WORK) {
            if (is_next_done (next_work) || next_work != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_work = get_next_work (&next_work);
        } else if (phonelabel == LABEL_FAX) {
            if (is_next_done (next_fax) || next_fax != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_fax = get_next_fax (&next_fax);
        } else if (phonelabel == LABEL_OTHER) {
            if (is_next_done (next_other) || next_other != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_other = get_next_other (&next_other);
        } else if (phonelabel == LABEL_MAIN) {
            if (is_next_done (next_main) || next_main != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_main = get_next_main (&next_main);
        } else if (phonelabel == LABEL_PAGER) {
            if (is_next_done (next_pager) || next_pager != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_pager = get_next_pager (&next_pager);
        } else if (phonelabel == LABEL_MOBILE) {
            if (is_next_done (next_mobile) || next_mobile != priority[l]) {
                syncable = FALSE;
                break;
            }
            next_mobile = get_next_mobile (&next_mobile);
        }
    }

    return syncable;
}

static void
set_contact_text (EContact *contact, EContactField field, struct Address address, int entry)
{
    char *text = NULL;

    if (address.entry[entry])
        text = e_pilot_utf8_from_pchar (address.entry[entry]);

    e_contact_set (contact, field, text);

    g_free (text);
}

static char *
get_entry_text (struct Address address, int entry)
{
    if (address.entry[entry])
        return e_pilot_utf8_from_pchar (address.entry[entry]);

    return NULL;
}

static void
clear_entry_text (struct Address address, int field)
{
    if (address.entry[field]) {
        free (address.entry[field]);
        address.entry[field] = NULL;
    }
}

static void
compute_status (EAddrConduitContext *ctxt, EAddrLocalRecord *local, const char *uid)
{
    EBookChange *ebc;

    local->local.archived = FALSE;
    local->local.secret = FALSE;

    ebc = g_hash_table_lookup (ctxt->changed_hash, uid);

    if (ebc == NULL) {
        local->local.attr = GnomePilotRecordNothing;
        return;
    }

    switch (ebc->change_type) {
    case E_BOOK_CHANGE_CARD_ADDED:
        local->local.attr = GnomePilotRecordNew;
        break;
    case E_BOOK_CHANGE_CARD_MODIFIED:
        local->local.attr = GnomePilotRecordModified;
        break;
    case E_BOOK_CHANGE_CARD_DELETED:
        local->local.attr = GnomePilotRecordDeleted;
        break;
    }
}

static GnomePilotRecord
local_record_to_pilot_record (EAddrLocalRecord *local,
                  EAddrConduitContext *ctxt)
{
    GnomePilotRecord p;
#ifdef PILOT_LINK_0_12
    pi_buffer_t * buffer;
#else
    static char record[0xffff];
#endif

    g_assert (local->addr != NULL );

    LOG (g_message ( "local_record_to_pilot_record\n" ));

    memset (&p, 0, sizeof (GnomePilotRecord));

    p.ID = local->local.ID;
    p.category = local->local.category;
    p.attr = local->local.attr;
    p.archived = local->local.archived;
    p.secret = local->local.secret;

    /* Generate pilot record structure */

#ifdef PILOT_LINK_0_12
    buffer = pi_buffer_new(DLP_BUF_SIZE);
    if(buffer == NULL){
        pi_set_error(ctxt->dbi->pilot_socket, PI_ERR_GENERIC_MEMORY);
        return p;
    }

    pack_Address (local->addr, buffer, address_v1);

    p.record = g_new0(unsigned char, buffer->used);
    p.length = buffer->used;
    memcpy(p.record, buffer->data, buffer->used);

    pi_buffer_free(buffer);
#else
    p.record = (unsigned char *)record;
    p.length = pack_Address (local->addr, p.record, 0xffff);
#endif
    return p;
}

static void
local_record_from_ecard (EAddrLocalRecord *local, EContact *contact, EAddrConduitContext *ctxt)
{
    EContactAddress *address = NULL;
    int phone = entryPhone1;
    EContactField field;
    gboolean syncable;
    int i;

    g_return_if_fail (local != NULL);
    g_return_if_fail (contact != NULL);

    local->contact = g_object_ref (contact);
    local->local.ID = e_pilot_map_lookup_pid (ctxt->map, e_contact_get_const (contact, E_CONTACT_UID), TRUE);

    compute_status (ctxt, local, e_contact_get_const (contact, E_CONTACT_UID));

    local->addr = g_new0 (struct Address, 1);

    /* Handle the fields and category we don't sync by making sure
         * we don't overwrite them
     */
    if (local->local.ID != 0) {
        struct Address addr;
        int cat = 0;
#ifdef PILOT_LINK_0_12
        pi_buffer_t * record;
        record = pi_buffer_new(DLP_BUF_SIZE);
        if(record == NULL){
            pi_set_error(ctxt->dbi->pilot_socket, PI_ERR_GENERIC_MEMORY);
            return;
        }
#else
        char record[0xffff];
#endif

        if (dlp_ReadRecordById (ctxt->dbi->pilot_socket,
                    ctxt->dbi->db_handle,
#ifdef PILOT_LINK_0_12
                    local->local.ID, record,
                    NULL, NULL, &cat) > 0) {
#else
                    local->local.ID, &record,
                    NULL, NULL, NULL, &cat) > 0) {
#endif
            local->local.category = cat;
            memset (&addr, 0, sizeof (struct Address));
#ifdef PILOT_LINK_0_12
            unpack_Address (&addr, record, address_v1);
#else
            unpack_Address (&addr, (unsigned char *)record, 0xffff);
#endif
            for (i = 0; i < 5; i++) {
                if (addr.entry[entryPhone1 + i])
                    local->addr->entry[entryPhone1 + i] =
                        strdup (addr.entry[entryPhone1 + i]);
                local->addr->phoneLabel[i] = addr.phoneLabel[i];
            }
            local->addr->showPhone = addr.showPhone;
            for (i = 0; i < 4; i++) {
                if (addr.entry[entryCustom1 + i])
                    local->addr->entry[entryCustom1 + i] =
                        strdup (addr.entry[entryCustom1 + i]);
            }
            free_Address (&addr);
        }
#ifdef PILOT_LINK_0_12
        pi_buffer_free (record);
#endif
    }

    local->addr->entry[entryFirstname] = e_pilot_utf8_to_pchar (e_contact_get_const (contact, E_CONTACT_GIVEN_NAME));
    local->addr->entry[entryLastname] = e_pilot_utf8_to_pchar (e_contact_get_const (contact, E_CONTACT_FAMILY_NAME));
    local->addr->entry[entryCompany] = e_pilot_utf8_to_pchar (e_contact_get_const (contact, E_CONTACT_ORG));
    local->addr->entry[entryTitle] = e_pilot_utf8_to_pchar (e_contact_get_const (contact, E_CONTACT_TITLE));

    /* See if the default has something in it */
    if ((address = e_contact_get (contact, ctxt->cfg->default_address))) {
        field = ctxt->cfg->default_address;
    } else {
        /* Try to find a non-empty address field */
        for (field = E_CONTACT_FIRST_ADDRESS_ID; field <= E_CONTACT_LAST_ADDRESS_ID; field++) {
            if ((address = e_contact_get (contact, field)))
                break;
        }
    }

    if (address) {
        char *add;

        /* If the address has 2 lines, make sure both get added */
        if (address->ext != NULL &&
            strlen (address->ext) > 0) {
            add = g_strconcat (address->street, "\n", address->ext, NULL);
            LOG (g_warning ("Address has two lines: [%s]\n", add));
        }
        else {
            add = g_strdup (address->street);
            LOG (g_warning ("Address has only one line: [%s]\n", add));
        }
        local->addr->entry[entryAddress] = e_pilot_utf8_to_pchar (add);
        g_free (add);

        local->addr->entry[entryCity] = e_pilot_utf8_to_pchar (address->locality);
        local->addr->entry[entryState] = e_pilot_utf8_to_pchar (address->region);
        local->addr->entry[entryZip] = e_pilot_utf8_to_pchar (address->code);
        local->addr->entry[entryCountry] = e_pilot_utf8_to_pchar (address->country);

        e_contact_address_free (address);
    }

    /* Phone numbers */

    /* See if everything is syncable */
    syncable = is_syncable (ctxt, local);

    if (syncable) {
        INFO ("Syncable");

        /* Sync by priority */
        for (i = 0, phone = entryPhone1;
             priority[i] != E_CONTACT_FIELD_LAST && phone <= entryPhone5; i++) {
            const char *phone_str;

            phone_str = e_contact_get_const (contact, priority[i]);
            if (phone_str && *phone_str) {
                clear_entry_text (*local->addr, phone);
                local->addr->entry[phone] = e_pilot_utf8_to_pchar (phone_str);
                local->addr->phoneLabel[phone - entryPhone1] = priority_label[i];
                phone++;
            }
        }
        for ( ; phone <= entryPhone5; phone++)
            local->addr->phoneLabel[phone - entryPhone1] = phone - entryPhone1;
        local->addr->showPhone = 0;
    } else {
        EContactField next_mail, next_home, next_work, next_fax;
        EContactField next_other, next_main, next_pager, next_mobile;

        INFO ("Not Syncable");
        get_next_init (&next_mail, &next_home, &next_work, &next_fax,
                   &next_other, &next_main, &next_pager, &next_mobile);

        /* Not completely syncable, so do the best we can */
        for (i = entryPhone1; i <= entryPhone5; i++) {
            int phonelabel = local->addr->phoneLabel[i - entryPhone1];
            const char *phone_str = NULL;

            if (phonelabel == LABEL_EMAIL && !is_next_done (next_mail)) {
                phone_str = e_contact_get_const (contact, next_mail);
                next_mail = get_next_mail (&next_mail);
            } else if (phonelabel == LABEL_HOME && !is_next_done (next_home)) {
                phone_str = e_contact_get_const (contact, next_home);
                next_home = get_next_home (&next_home);
            } else if (phonelabel == LABEL_WORK && !is_next_done (next_work)) {
                phone_str = e_contact_get_const (contact, next_work);
                next_work = get_next_work (&next_work);
            } else if (phonelabel == LABEL_FAX && !is_next_done (next_fax)) {
                phone_str = e_contact_get_const (contact, next_fax);
                next_fax = get_next_fax (&next_fax);
            } else if (phonelabel == LABEL_OTHER && !is_next_done (next_other)) {
                phone_str = e_contact_get_const (contact, next_other);
                next_other = get_next_other (&next_other);
            } else if (phonelabel == LABEL_MAIN && !is_next_done (next_main)) {
                phone_str = e_contact_get_const (contact, next_main);
                next_main = get_next_main (&next_main);
            } else if (phonelabel == LABEL_PAGER && !is_next_done (next_pager)) {
                phone_str = e_contact_get_const (contact, next_pager);
                next_pager = get_next_pager (&next_pager);
            } else if (phonelabel == LABEL_MOBILE && !is_next_done (next_mobile)) {
                phone_str = e_contact_get_const (contact, next_mobile);
                next_mobile = get_next_mobile (&next_mobile);
            }

            if (phone_str && *phone_str) {
                clear_entry_text (*local->addr, i);
                local->addr->entry[i] = e_pilot_utf8_to_pchar (phone_str);
            }
        }
    }

    /* Note */
    local->addr->entry[entryNote] = e_pilot_utf8_to_pchar (e_contact_get_const (contact, E_CONTACT_NOTE));
}

static void
local_record_from_uid (EAddrLocalRecord *local,
               const char *uid,
               EAddrConduitContext *ctxt)
{
    EContact *contact = NULL;
    const char *cuid;
    GList *l;

    g_assert (local != NULL);

    for (l = ctxt->cards; l != NULL; l = l->next) {
        contact = l->data;

        /* FIXME Do we need to check for the empty string? */
        if ((cuid = e_contact_get_const (contact, E_CONTACT_UID)) && !strcmp (cuid, uid))
            break;

        contact = NULL;
    }

    if (contact != NULL) {
        local_record_from_ecard (local, contact, ctxt);
    } else {
        contact = e_contact_new ();
        e_contact_set (contact, E_CONTACT_UID, (gpointer) uid);
        local_record_from_ecard (local, contact, ctxt);
        g_object_unref (contact);
    }
}

static EContact *
ecard_from_remote_record(EAddrConduitContext *ctxt,
             GnomePilotRecord *remote,
             EContact *in_contact)
{
    struct Address address;
    EContact *contact;
    EContactName *name;
    EContactAddress *eaddress;
    EContactField mailing_address;
    char *txt, *find, *full_name;
    EContactField next_mail, next_home, next_work, next_fax;
    EContactField next_other, next_main, next_pager, next_mobile;
    int i;
#ifdef PILOT_LINK_0_12
    pi_buffer_t * buffer;
#endif
    g_return_val_if_fail(remote!=NULL,NULL);
    memset (&address, 0, sizeof (struct Address));
#ifdef PILOT_LINK_0_12
    buffer = pi_buffer_new(DLP_BUF_SIZE);
    if(buffer == NULL){
        pi_set_error(ctxt->dbi->pilot_socket, PI_ERR_GENERIC_MEMORY);
        return NULL;
    }

    if(pi_buffer_append(buffer, remote->record, remote->length)==NULL){
        pi_set_error(ctxt->dbi->pilot_socket, PI_ERR_GENERIC_MEMORY);
        return NULL;
    }
    unpack_Address (&address, buffer, address_v1);
    pi_buffer_free(buffer);
#else
    unpack_Address (&address, remote->record, remote->length);
#endif
    if (in_contact == NULL)
        contact = e_contact_new ();
    else
        contact = e_contact_duplicate (in_contact);

    /* Name */
    name = e_contact_name_new ();
    name->given = get_entry_text (address, entryFirstname);
    name->family = get_entry_text (address, entryLastname);

    full_name = e_contact_name_to_string (name);
    e_contact_set (contact, E_CONTACT_FULL_NAME, full_name);
    e_contact_name_free (name);

    /* File As */
    if (!full_name || !*full_name)
        set_contact_text (contact, E_CONTACT_FILE_AS, address, entryCompany);

    g_free (full_name);

    /* Title and Company */
    set_contact_text (contact, E_CONTACT_TITLE, address, entryTitle);
    set_contact_text (contact, E_CONTACT_ORG, address, entryCompany);

    /* Address */
    mailing_address = -1;
    if ((eaddress = e_contact_get (contact, ctxt->cfg->default_address))) {
        mailing_address = ctxt->cfg->default_address;
        e_contact_address_free (eaddress);
    } else {
        for (i = E_CONTACT_FIRST_ADDRESS_ID; i <= E_CONTACT_LAST_ADDRESS_ID; i++) {
            if ((eaddress = e_contact_get (contact, i))) {
                e_contact_address_free (eaddress);
                mailing_address = i;
                break;
            }
        }
    }

    if (mailing_address == -1)
        mailing_address = ctxt->cfg->default_address;

    eaddress = g_new0 (EContactAddress, 1);

    txt = get_entry_text (address, entryAddress);
    if (txt && (find = strchr (txt, '\n')) != NULL) {
        *find = '\0';
        find++;
    } else {
        find = NULL;
    }

    eaddress->street = txt;
    eaddress->ext = find != NULL ? g_strdup (find) : g_strdup ("");
    eaddress->locality = get_entry_text (address, entryCity);
    eaddress->region = get_entry_text (address, entryState);
    eaddress->country = get_entry_text (address, entryCountry);
    eaddress->code = get_entry_text (address, entryZip);

    e_contact_set (contact, mailing_address, eaddress);
    e_contact_address_free (eaddress);

    /* Phone numbers */
    get_next_init (&next_mail, &next_home, &next_work, &next_fax,
               &next_other, &next_main, &next_pager, &next_mobile);

    for (i = entryPhone1; i <= entryPhone5; i++) {
        int phonelabel = address.phoneLabel[i - entryPhone1];
        char *phonenum = get_entry_text (address, i);

        if (phonelabel == LABEL_EMAIL && !is_next_done (next_mail)) {
            e_contact_set (contact, next_mail, phonenum);
            next_mail = get_next_mail (&next_mail);
        } else if (phonelabel == LABEL_HOME && !is_next_done (next_home)) {
            e_contact_set (contact, next_home, phonenum);
            next_home = get_next_home (&next_home);
        } else if (phonelabel == LABEL_WORK && !is_next_done (next_work)) {
            e_contact_set (contact, next_work, phonenum);
            next_work = get_next_work (&next_work);
        } else if (phonelabel == LABEL_FAX && !is_next_done (next_fax)) {
            e_contact_set (contact, next_fax, phonenum);
            next_fax = get_next_fax (&next_fax);
        } else if (phonelabel == LABEL_OTHER && !is_next_done (next_other)) {
            e_contact_set (contact, next_other, phonenum);
            next_other = get_next_other (&next_other);
        } else if (phonelabel == LABEL_MAIN && !is_next_done (next_main)) {
            e_contact_set (contact, next_main, phonenum);
            next_main = get_next_main (&next_main);
        } else if (phonelabel == LABEL_PAGER && !is_next_done (next_pager)) {
            e_contact_set (contact, next_pager, phonenum);
            next_pager = get_next_pager (&next_pager);
        } else if (phonelabel == LABEL_MOBILE && !is_next_done (next_mobile)) {
            e_contact_set (contact, next_mobile, phonenum);
            next_mobile = get_next_mobile (&next_mobile);
        }

        g_free (phonenum);
    }

    /* Note */
    set_contact_text (contact, E_CONTACT_NOTE, address, entryNote);

    free_Address(&address);

    return contact;
}

static void
check_for_slow_setting (GnomePilotConduit *c, EAddrConduitContext *ctxt)
{
    GnomePilotConduitStandard *conduit = GNOME_PILOT_CONDUIT_STANDARD (c);
    int map_count;
    const char *uri;

    map_count = g_hash_table_size (ctxt->map->pid_map);
    if (map_count == 0)
        gnome_pilot_conduit_standard_set_slow (conduit, TRUE);

    /* Or if the URI's don't match */
    uri = e_book_get_uri (ctxt->ebook);
    LOG (g_message ("  Current URI %s (%s)\n", uri, ctxt->cfg->last_uri ? ctxt->cfg->last_uri : "<NONE>"));
    if (ctxt->cfg->last_uri != NULL && strcmp (ctxt->cfg->last_uri, uri)) {
        gnome_pilot_conduit_standard_set_slow (conduit, TRUE);
        e_pilot_map_clear (ctxt->map);
    }

    if (gnome_pilot_conduit_standard_get_slow (conduit)) {
        ctxt->map->write_touched_only = TRUE;
        LOG (g_message ( "    doing slow sync\n" ));
    } else {
        LOG (g_message ( "    doing fast sync\n" ));
    }
}

static void
addressbook_authenticate (EBook *book,
              gpointer data)
{
    gchar *auth;
    gchar *user;
    gchar *passwd;
    gchar *str_uri;
    gchar *pass_key;
    gchar *auth_domain;
    gchar *component_name;
    EUri *e_uri;

    ESource *source = (ESource *)data;

    auth = (gchar *)e_source_get_property (source, "auth");
    auth_domain = (gchar *)e_source_get_property (source, "auth-domain");
    component_name = auth_domain ? auth_domain : "Addressbook";

    if (auth && !strcmp ("plain/password", auth))
        user = (gchar *)e_source_get_property (source, "user");
    else
        user = (gchar *)e_source_get_property (source, "email_addr");
    if (!user)
        user = "";

    str_uri = e_source_get_uri (source);
    e_uri = e_uri_new (str_uri);
    pass_key = e_uri_to_string (e_uri, FALSE);
    e_uri_free (e_uri);

    passwd = e_passwords_get_password (component_name, pass_key);
    if (passwd)
        passwd = "";

    if (book)
        if (!e_book_authenticate_user (book, user, passwd, auth, NULL))
            LOG (g_warning ("Authentication failed"));
    g_free (pass_key);
    g_free (str_uri);

    return;
}

/* Pilot syncing callbacks */
static gint
pre_sync (GnomePilotConduit *conduit,
      GnomePilotDBInfo *dbi,
      EAddrConduitContext *ctxt)
{
    GnomePilotConduitSyncAbs *abs_conduit;
    EBookQuery *query;
        GList *l;
    int len;
    char *filename;
    char *change_id;
    char *auth;
    gint num_records, add_records = 0, mod_records = 0, del_records = 0;
#ifdef PILOT_LINK_0_12
    pi_buffer_t *buffer;
#else
    unsigned char *buf;
#endif

    abs_conduit = GNOME_PILOT_CONDUIT_SYNC_ABS (conduit);

    LOG (g_message ( "---------------------------------------------------------\n" ));
    LOG (g_message ( "pre_sync: Addressbook Conduit v.%s", CONDUIT_VERSION ));
    /* g_message ("Addressbook Conduit v.%s", CONDUIT_VERSION); */

    ctxt->dbi = dbi;

    if (ctxt->cfg->source) {
        ctxt->ebook = e_book_new (ctxt->cfg->source, NULL);
    } else {
        ctxt->ebook = e_book_new_default_addressbook (NULL);
    }
    auth = (gchar *)e_source_get_property (ctxt->cfg->source, "auth");
    if (auth) {
        LOG (g_message ("contacts needs authentication\n"));
        g_signal_connect (ctxt->ebook, "auth_required",
                  G_CALLBACK (addressbook_authenticate), ctxt->cfg->source);
    }
    if (!ctxt->ebook || !e_book_open (ctxt->ebook, TRUE, NULL)) {
        WARN(_("Could not load addressbook"));
        gnome_pilot_conduit_error (conduit, _("Could not load addressbook"));

        return -1;
    }

    /* Load the uid <--> pilot id mappings */
    filename = map_name (ctxt);
    e_pilot_map_read (filename, &ctxt->map);
    g_free (filename);

    /* Get a list of all contacts */
    if (!(query = e_book_query_any_field_contains (""))) {
        LOG (g_warning ("Failed to get EBookQuery"));
        return -1;
    }

    if (!e_book_get_contacts (ctxt->ebook, query, &ctxt->cards, NULL)) {
        LOG (g_warning ("Failed to get Contacts"));
        e_book_query_unref (query);
        return -1;
    }

    e_book_query_unref (query);

    /* Count and hash the changes */
    change_id = g_strdup_printf ("pilot-sync-evolution-addressbook-%d", ctxt->cfg->pilot_id);
    if (!e_book_get_changes (ctxt->ebook, change_id, &ctxt->changed, NULL))
        return -1;
    ctxt->changed_hash = g_hash_table_new (g_str_hash, g_str_equal);
    g_free (change_id);

    for (l = ctxt->changed; l != NULL; l = l->next) {
        EBookChange *ebc = l->data;
        const char *uid;

        uid = e_contact_get_const (ebc->contact, E_CONTACT_UID);
        if (!e_pilot_map_uid_is_archived (ctxt->map, uid)) {

            g_hash_table_insert (ctxt->changed_hash, g_strdup (uid), ebc);

            switch (ebc->change_type) {
            case E_BOOK_CHANGE_CARD_ADDED:
                add_records++;
                break;
            case E_BOOK_CHANGE_CARD_MODIFIED:
                mod_records++;
                break;
            case E_BOOK_CHANGE_CARD_DELETED:
                del_records++;
                break;
            }
        } else if (ebc->change_type == E_BOOK_CHANGE_CARD_DELETED) {
            e_pilot_map_remove_by_uid (ctxt->map, uid);
        }
    }

    /* Set the count information */
    num_records = g_list_length (ctxt->cards);
    gnome_pilot_conduit_sync_abs_set_num_local_records(abs_conduit, num_records);
    gnome_pilot_conduit_sync_abs_set_num_new_local_records (abs_conduit, add_records);
    gnome_pilot_conduit_sync_abs_set_num_updated_local_records (abs_conduit, mod_records);
    gnome_pilot_conduit_sync_abs_set_num_deleted_local_records(abs_conduit, del_records);

#ifdef PILOT_LINK_0_12
    buffer = pi_buffer_new(DLP_BUF_SIZE);
    if(buffer == NULL){
        return pi_set_error(dbi->pilot_socket, PI_ERR_GENERIC_MEMORY);
    }

    len = dlp_ReadAppBlock (dbi->pilot_socket, dbi->db_handle, 0,
                  DLP_BUF_SIZE, buffer);
#else
    buf = (unsigned char*)g_malloc (0xffff);
    len = dlp_ReadAppBlock (dbi->pilot_socket, dbi->db_handle, 0,
                  (unsigned char *)buf, 0xffff);
#endif
    if (len < 0) {
        WARN (_("Could not read pilot's Address application block"));
        WARN ("dlp_ReadAppBlock(...) = %d", len);
        gnome_pilot_conduit_error (conduit,
                       _("Could not read pilot's Address application block"));
        return -1;
    }
#ifdef PILOT_LINK_0_12
    unpack_AddressAppInfo (&(ctxt->ai), buffer->data, len);
    pi_buffer_free (buffer);
#else
    unpack_AddressAppInfo (&(ctxt->ai), buf, len);
    g_free (buf);
#endif
    check_for_slow_setting (conduit, ctxt);
    if (ctxt->cfg->sync_type == GnomePilotConduitSyncTypeCopyToPilot
        || ctxt->cfg->sync_type == GnomePilotConduitSyncTypeCopyFromPilot)
        ctxt->map->write_touched_only = TRUE;

    return 0;
}

static gint
post_sync (GnomePilotConduit *conduit,
       GnomePilotDBInfo *dbi,
       EAddrConduitContext *ctxt)
{
    GList *changed;
    gchar *filename, *change_id;

    LOG (g_message ( "post_sync: Address Conduit v.%s", CONDUIT_VERSION ));

    g_free (ctxt->cfg->last_uri);
    ctxt->cfg->last_uri = g_strdup (e_book_get_uri (ctxt->ebook));
    addrconduit_save_configuration (ctxt->cfg);

    filename = map_name (ctxt);
    e_pilot_map_write (filename, ctxt->map);
    g_free (filename);

    /* FIX ME ugly hack - our changes musn't count, this does introduce
     * a race condition if anyone changes a record elsewhere during sycnc
         */
    change_id = g_strdup_printf ("pilot-sync-evolution-addressbook-%d", ctxt->cfg->pilot_id);
    if (e_book_get_changes (ctxt->ebook, change_id, &changed, NULL))
        e_book_free_change_list (changed);
    g_free (change_id);

    LOG (g_message ( "---------------------------------------------------------\n" ));

    return 0;
}

static gint
set_pilot_id (GnomePilotConduitSyncAbs *conduit,
          EAddrLocalRecord *local,
          guint32 ID,
          EAddrConduitContext *ctxt)
{
    LOG (g_message ( "set_pilot_id: setting to %d\n", ID ));

    e_pilot_map_insert (ctxt->map, ID, e_contact_get_const (local->contact, E_CONTACT_UID), FALSE);

        return 0;
}

static gint
set_status_cleared (GnomePilotConduitSyncAbs *conduit,
            EAddrLocalRecord *local,
            EAddrConduitContext *ctxt)
{
    const char *uid;

    LOG (g_message ( "set_status_cleared: clearing status\n" ));

    if ((uid = e_contact_get_const (local->contact, E_CONTACT_UID)))
        g_hash_table_remove (ctxt->changed_hash, uid);

        return 0;
}

static gint
for_each (GnomePilotConduitSyncAbs *conduit,
      EAddrLocalRecord **local,
      EAddrConduitContext *ctxt)
{
    static GList *cards, *iterator;
    static int count;

    g_return_val_if_fail (local != NULL, -1);

    if (*local == NULL) {
        LOG (g_message ( "beginning for_each" ));

        cards = ctxt->cards;
        count = 0;

        if (cards != NULL) {
            LOG (g_message ( "iterating over %d records", g_list_length (cards) ));

            *local = g_new0 (EAddrLocalRecord, 1);
            local_record_from_ecard (*local, cards->data, ctxt);
            ctxt->locals = g_list_prepend (ctxt->locals, *local);

            iterator = cards;
        } else {
            LOG (g_message ( "no events" ));
            (*local) = NULL;
            return 0;
        }
    } else {
        count++;
        if (g_list_next (iterator)) {
            iterator = g_list_next (iterator);

            *local = g_new0 (EAddrLocalRecord, 1);
            local_record_from_ecard (*local, iterator->data, ctxt);
            ctxt->locals = g_list_prepend (ctxt->locals, *local);
        } else {
            LOG (g_message ( "for_each ending" ));

            /* Tell the pilot the iteration is over */
            *local = NULL;

            return 0;
        }
    }

    return 0;
}

static gint
for_each_modified (GnomePilotConduitSyncAbs *conduit,
           EAddrLocalRecord **local,
           EAddrConduitContext *ctxt)
{
    static GList *iterator;
    static int count;

    g_return_val_if_fail (local != NULL, 0);

    if (*local == NULL) {
        LOG (g_message ( "for_each_modified beginning\n" ));

        iterator = ctxt->changed;

        count = 0;

        iterator = next_changed_item (ctxt, iterator);
        if (iterator != NULL) {
            EBookChange *ebc = iterator->data;

            LOG (g_message ( "iterating over %d records", g_hash_table_size (ctxt->changed_hash)));

            *local = g_new0 (EAddrLocalRecord, 1);
            local_record_from_ecard (*local, ebc->contact, ctxt);
            ctxt->locals = g_list_prepend (ctxt->locals, *local);
        } else {
            LOG (g_message ( "no events" ));

            *local = NULL;
        }
    } else {
        count++;
        iterator = g_list_next (iterator);
        if (iterator && (iterator = next_changed_item (ctxt, iterator))) {
            EBookChange *ebc = iterator->data;

            *local = g_new0 (EAddrLocalRecord, 1);
            local_record_from_ecard (*local, ebc->contact, ctxt);
            ctxt->locals = g_list_prepend (ctxt->locals, *local);
        } else {
            LOG (g_message ( "for_each_modified ending" ));

                /* Signal the iteration is over */
            *local = NULL;

            return 0;
        }
    }

    return 0;
}

static gint
compare (GnomePilotConduitSyncAbs *conduit,
     EAddrLocalRecord *local,
     GnomePilotRecord *remote,
     EAddrConduitContext *ctxt)
{
    GnomePilotRecord local_pilot;
    int retval = 0;

    LOG (g_message ("compare: local=%s remote=%s...\n",
            print_local (local), print_remote (remote)));

    g_return_val_if_fail (local != NULL, -1);
    g_return_val_if_fail (remote != NULL, -1);

    local_pilot = local_record_to_pilot_record (local, ctxt);

    if (remote->length != local_pilot.length
        || memcmp (local_pilot.record, remote->record, remote->length))
        retval = 1;

    if (retval == 0)
        LOG (g_message ( "    equal" ));
    else
        LOG (g_message ( "    not equal" ));

    return retval;
}

static gint
add_record (GnomePilotConduitSyncAbs *conduit,
        GnomePilotRecord *remote,
        EAddrConduitContext *ctxt)
{
    EContact *contact;
    int retval = 0;

    g_return_val_if_fail (remote != NULL, -1);

    LOG (g_message ( "add_record: adding %s to desktop\n", print_remote (remote) ));

    contact = ecard_from_remote_record (ctxt, remote, NULL);

    /* add the ecard to the server */
    if (!e_book_add_contact (ctxt->ebook, contact, NULL)) {
        WARN ("add_record: failed to add card to ebook\n");
        g_object_unref (contact);

        return -1;
    }

    e_pilot_map_insert (ctxt->map, remote->ID, e_contact_get (contact, E_CONTACT_UID), FALSE);

    g_object_unref (contact);

    return retval;
}

static gint
replace_record (GnomePilotConduitSyncAbs *conduit,
        EAddrLocalRecord *local,
        GnomePilotRecord *remote,
        EAddrConduitContext *ctxt)
{
    EContact *new_contact;
    EBookChange *ebc;
    char *old_id;
    int retval = 0;

    g_return_val_if_fail (remote != NULL, -1);

    LOG (g_message ("replace_record: replace %s with %s\n",
         print_local (local), print_remote (remote)));

    old_id = e_contact_get (local->contact, E_CONTACT_UID);
    ebc = g_hash_table_lookup (ctxt->changed_hash, old_id);

    new_contact = ecard_from_remote_record (ctxt, remote, local->contact);
    g_object_unref (local->contact);
    local->contact = new_contact;

    if (ebc && ebc->change_type == E_BOOK_CHANGE_CARD_DELETED) {
        if (!e_book_add_contact (ctxt->ebook, local->contact, NULL)) {
            WARN (G_STRLOC ": failed to add card\n");

            return -1;
        }

    } else {
        if (!e_book_commit_contact (ctxt->ebook, local->contact, NULL)) {
            WARN (G_STRLOC ": failed to commit card\n");

            return -1;
        }
    }

    /* Adding a record causes wombat to assign a new uid so we must tidy */
    if (ebc && ebc->change_type == E_BOOK_CHANGE_CARD_DELETED) {
        const char *uid = e_contact_get_const (local->contact, E_CONTACT_UID);
        gboolean arch;

        arch = e_pilot_map_uid_is_archived (ctxt->map, uid);
        e_pilot_map_insert (ctxt->map, remote->ID, uid, arch);

        ebc = g_hash_table_lookup (ctxt->changed_hash, old_id);
        if (ebc) {
            g_hash_table_remove (ctxt->changed_hash, old_id);
            g_object_unref (ebc->contact);
            g_object_ref (local->contact);
            ebc->contact = local->contact;
            /* FIXME We should possibly be duplicating the uid */
            g_hash_table_insert (ctxt->changed_hash, (gpointer) uid, ebc);
        }
    }

    return retval;
}

static gint
delete_record (GnomePilotConduitSyncAbs *conduit,
           EAddrLocalRecord *local,
           EAddrConduitContext *ctxt)
{
    GError *error = NULL;
    int retval = 0;

    g_return_val_if_fail (local != NULL, -1);
    g_return_val_if_fail (local->contact != NULL, -1);

    LOG (g_message ( "delete_record: delete %s\n", print_local (local) ));

    e_pilot_map_remove_by_uid (ctxt->map, e_contact_get_const (local->contact, E_CONTACT_UID));
    if (!e_book_remove_contact (ctxt->ebook, e_contact_get_const (local->contact, E_CONTACT_UID), &error) && error->code != E_BOOK_ERROR_CONTACT_NOT_FOUND) {
        WARN ("delete_record: failed to delete card in ebook\n");
        g_error_free (error);

        retval = -1;
    }

    return retval;
}

static gint
archive_record (GnomePilotConduitSyncAbs *conduit,
        EAddrLocalRecord *local,
        gboolean archive,
        EAddrConduitContext *ctxt)
{
    int retval = 0;

    g_return_val_if_fail (local != NULL, -1);

    LOG (g_message ( "archive_record: %s\n", archive ? "yes" : "no" ));

    e_pilot_map_insert (ctxt->map, local->local.ID, e_contact_get_const (local->contact, E_CONTACT_UID), archive);

        return retval;
}

static gint
match (GnomePilotConduitSyncAbs *conduit,
       GnomePilotRecord *remote,
       EAddrLocalRecord **local,
       EAddrConduitContext *ctxt)
{
    const char *uid;

    LOG (g_message ("match: looking for local copy of %s\n",
         print_remote (remote)));

    g_return_val_if_fail (local != NULL, -1);
    g_return_val_if_fail (remote != NULL, -1);

    *local = NULL;
    uid = e_pilot_map_lookup_uid (ctxt->map, remote->ID, TRUE);

    if (!uid)
        return 0;

    LOG (g_message ( "  matched\n" ));

    *local = g_new0 (EAddrLocalRecord, 1);
    local_record_from_uid (*local, uid, ctxt);

    return 0;
}

static gint
free_match (GnomePilotConduitSyncAbs *conduit,
        EAddrLocalRecord *local,
        EAddrConduitContext *ctxt)
{
    LOG (g_message ( "free_match: freeing\n" ));

    g_return_val_if_fail (local != NULL, -1);

    addrconduit_destroy_record (local);

    return 0;
}

static gint
prepare (GnomePilotConduitSyncAbs *conduit,
     EAddrLocalRecord *local,
     GnomePilotRecord *remote,
     EAddrConduitContext *ctxt)
{
    LOG (g_message ( "prepare: encoding local %s\n", print_local (local) ));

    *remote = local_record_to_pilot_record (local, ctxt);

    return 0;
}

/* Pilot Settings Callbacks */
static void
fill_widgets (EAddrConduitContext *ctxt)
{
    if (ctxt->cfg->source)
        e_pilot_settings_set_source (E_PILOT_SETTINGS (ctxt->ps),
                         ctxt->cfg->source);
    e_pilot_settings_set_secret (E_PILOT_SETTINGS (ctxt->ps),
                     ctxt->cfg->secret);

    e_addr_gui_fill_widgets (ctxt->gui, ctxt->cfg);
}

static gint
create_settings_window (GnomePilotConduit *conduit,
            GtkWidget *parent,
            EAddrConduitContext *ctxt)
{
    LOG (g_message ( "create_settings_window" ));

    if (!ctxt->cfg->source_list)
        return -1;

    ctxt->ps = e_pilot_settings_new (ctxt->cfg->source_list);
    ctxt->gui = e_addr_gui_new (E_PILOT_SETTINGS (ctxt->ps));

    gtk_container_add (GTK_CONTAINER (parent), ctxt->ps);
    gtk_widget_show (ctxt->ps);

    fill_widgets (ctxt);

    return 0;
}
static void
display_settings (GnomePilotConduit *conduit, EAddrConduitContext *ctxt)
{
    LOG (g_message ( "display_settings" ));

    fill_widgets (ctxt);
}

static void
save_settings    (GnomePilotConduit *conduit, EAddrConduitContext *ctxt)
{
        LOG (g_message ( "save_settings" ));

       if (ctxt->new_cfg->source)
               g_object_unref (ctxt->new_cfg->source);
    ctxt->new_cfg->source = e_pilot_settings_get_source (E_PILOT_SETTINGS (ctxt->ps));
    g_object_ref (ctxt->new_cfg->source);
    ctxt->new_cfg->secret =
        e_pilot_settings_get_secret (E_PILOT_SETTINGS (ctxt->ps));
    e_addr_gui_fill_config (ctxt->gui, ctxt->new_cfg);

    addrconduit_save_configuration (ctxt->new_cfg);
}

static void
revert_settings  (GnomePilotConduit *conduit, EAddrConduitContext *ctxt)
{
    LOG (g_message ( "revert_settings" ));

    addrconduit_save_configuration (ctxt->cfg);
    addrconduit_destroy_configuration (ctxt->new_cfg);
    ctxt->new_cfg = addrconduit_dupe_configuration (ctxt->cfg);
}

GnomePilotConduit *
conduit_get_gpilot_conduit (guint32 pilot_id)
{
    GtkObject *retval;
    EAddrConduitContext *ctxt;

    LOG (g_message ( "in address's conduit_get_gpilot_conduit\n" ));

    retval = gnome_pilot_conduit_sync_abs_new ("AddressDB", 0x61646472);
    g_assert (retval != NULL);

    ctxt = e_addr_context_new (pilot_id);
    gtk_object_set_data (GTK_OBJECT (retval), "addrconduit_context", ctxt);

    gtk_signal_connect (retval, "pre_sync", (GtkSignalFunc) pre_sync, ctxt);
    gtk_signal_connect (retval, "post_sync", (GtkSignalFunc) post_sync, ctxt);

    gtk_signal_connect (retval, "set_pilot_id", (GtkSignalFunc) set_pilot_id, ctxt);
    gtk_signal_connect (retval, "set_status_cleared", (GtkSignalFunc) set_status_cleared, ctxt);

    gtk_signal_connect (retval, "for_each", (GtkSignalFunc) for_each, ctxt);
    gtk_signal_connect (retval, "for_each_modified", (GtkSignalFunc) for_each_modified, ctxt);
    gtk_signal_connect (retval, "compare", (GtkSignalFunc) compare, ctxt);

    gtk_signal_connect (retval, "add_record", (GtkSignalFunc) add_record, ctxt);
    gtk_signal_connect (retval, "replace_record", (GtkSignalFunc) replace_record, ctxt);
    gtk_signal_connect (retval, "delete_record", (GtkSignalFunc) delete_record, ctxt);
    gtk_signal_connect (retval, "archive_record", (GtkSignalFunc) archive_record, ctxt);

    gtk_signal_connect (retval, "match", (GtkSignalFunc) match, ctxt);
    gtk_signal_connect (retval, "free_match", (GtkSignalFunc) free_match, ctxt);

    gtk_signal_connect (retval, "prepare", (GtkSignalFunc) prepare, ctxt);

    /* Gui Settings */
    gtk_signal_connect (retval, "create_settings_window", (GtkSignalFunc) create_settings_window, ctxt);
    gtk_signal_connect (retval, "display_settings", (GtkSignalFunc) display_settings, ctxt);
    gtk_signal_connect (retval, "save_settings", (GtkSignalFunc) save_settings, ctxt);
    gtk_signal_connect (retval, "revert_settings", (GtkSignalFunc) revert_settings, ctxt);

    return GNOME_PILOT_CONDUIT (retval);
}

void
conduit_destroy_gpilot_conduit (GnomePilotConduit *conduit)
{
    EAddrConduitContext *ctxt;

    ctxt = gtk_object_get_data (GTK_OBJECT (conduit),
                    "addrconduit_context");

    e_addr_context_destroy (ctxt);

    gtk_object_destroy (GTK_OBJECT (conduit));
}