path: root/calendar/conduits/todo/todo-conduit.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

#include <config.h>
#include <sys/stat.h>
#include <utime.h>
#include <unistd.h>
#include <pwd.h>
#include <signal.h>
#include <errno.h>

#include <cal-client/cal-client.h>
// #include <cal-util/calobj.h>
#include <cal-util/timeutil.h>
#include <pi-source.h>
#include <pi-socket.h>
#include <pi-file.h>
#include <pi-dlp.h>
#include <libgnorba/gnorba.h>
#include <libgnorba/gnome-factory.h>
#include <pi-version.h>
#include <gpilotd/gnome-pilot-conduit.h>
#include <gpilotd/gnome-pilot-conduit-standard-abs.h>
#include <todo-conduit.h>
#include <libical/src/libical/icaltypes.h>

#include <bonobo.h>

//#include "GnomeCal.h"

GnomePilotConduit * conduit_get_gpilot_conduit (guint32);
void conduit_destroy_gpilot_conduit (GnomePilotConduit*);
void local_record_from_icalobject (GCalLocalRecord *local, CalComponent *obj);

#define CONDUIT_VERSION "0.8.11"
#ifdef G_LOG_DOMAIN
#undef G_LOG_DOMAIN
#endif
#define G_LOG_DOMAIN "todoconduit" 

#define DEBUG_CALCONDUIT 1
/* #undef DEBUG_CALCONDUIT */

#ifdef DEBUG_CALCONDUIT
#define show_exception(e) g_warning ("Exception: %s\n", CORBA_exception_id (e))
#define LOG(e...) g_log(G_LOG_DOMAIN,G_LOG_LEVEL_MESSAGE, e)
#else
#define show_exception(e)
#define LOG(e...)
#endif 

#define WARN(e...) g_log(G_LOG_DOMAIN,G_LOG_LEVEL_WARNING, e)
#define INFO(e...) g_log(G_LOG_DOMAIN,G_LOG_LEVEL_MESSAGE, e)

#define catch_ret_val(_env,ret)                                                                 \
  if (_env._major != CORBA_NO_EXCEPTION) {                                                      \
        g_log(G_LOG_DOMAIN,G_LOG_LEVEL_MESSAGE,"%s:%d: Caught exception",__FILE__,__LINE__);    \
        g_warning ("Exception: %s\n", CORBA_exception_id (&(_env)));                               \
    CORBA_exception_free(&(_env));                                                             \
    return ret;                                                                             \
  }



/* debug spew DELETE ME */
static char *print_ical (CalComponent *obj
             /*iCalObject *obj*/)
{
    static char buff[ 4096 ];

    int indefinite;
    CalComponentDateTime dtend;
    int priority;
    struct icaltimetype *complete;
    CalComponentText summary;
    GSList *comments;
    CalComponentText *first_comment = NULL;

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

    indefinite = 0; /* FIX ME how do i get this */
    cal_component_get_dtend (obj, &dtend);
    priority = 1; /* FIX ME how do i get this */
    cal_component_get_completed (obj, &complete);

    cal_component_get_summary (obj, &summary);
    cal_component_get_comment_list (obj, &comments);
    if (comments)
        first_comment = (CalComponentText *) comments->data;

    sprintf (buff, "[%d %d-%d-%d %d %d-%d-%d '%s' '%s']",
         indefinite,
         dtend.value->year, dtend.value->month, dtend.value->day,
         priority,
         complete->year, complete->month, complete->day,
         summary.value,  /* description */
         first_comment ? first_comment->value : "" /* note */
         );
    return buff;
}


/* debug spew DELETE ME */
static char *print_local (GCalLocalRecord *local)
{
    static char buff[ 4096 ];

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

    if (local->todo && local->todo->description) {
        sprintf (buff, "[%d %ld %d %d '%s' '%s']",
             local->todo->indefinite,
             mktime (& local->todo->due),
             local->todo->priority,
             local->todo->complete,
             local->todo->description,
             local->todo->note);
        return buff;
    }

    return print_ical (local->ical);
}


/* debug spew DELETE ME */
static char *print_remote (PilotRecord *remote)
{
    static char buff[ 4096 ];
    struct ToDo todo;

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

    memset (&todo, 0, sizeof (struct ToDo));
    unpack_ToDo (&todo, remote->record, remote->length);

    sprintf (buff, "[%d %ld %d %d '%s' '%s']",
         todo.indefinite,
         mktime (& todo.due),
         todo.priority,
         todo.complete,
         todo.description,
         todo.note);

    return buff;
}




/* Destroys any data allocated by gcalconduit_load_configuration
   and deallocates the given configuration. */
static void 
gcalconduit_destroy_configuration(GCalConduitCfg **c) 
{
    g_return_if_fail(c!=NULL);
    g_return_if_fail(*c!=NULL);
    g_free(*c);
    *c = NULL;
}


/* Given a GCalConduitContxt*, allocates the structure */
static void
gcalconduit_new_context(GCalConduitContext **ctxt,
            GCalConduitCfg *c) 
{
    *ctxt = g_new0(GCalConduitContext,1);
    g_assert(ctxt!=NULL);
    (*ctxt)->cfg = c;
    CORBA_exception_init (&((*ctxt)->ev));
}


/* Destroys any data allocated by gcalconduit_new_context
   and deallocates its data. */
static void
gcalconduit_destroy_context(GCalConduitContext **ctxt)
{
    g_return_if_fail(ctxt!=NULL);
    g_return_if_fail(*ctxt!=NULL);
/*
    if ((*ctxt)->cfg!=NULL)
        gcalconduit_destroy_configuration(&((*ctxt)->cfg));
*/
    g_free(*ctxt);
    *ctxt = NULL;
}


static void
gnome_calendar_load_cb (GtkWidget *cal_client,
            CalClientLoadStatus status,
            GCalConduitContext *ctxt)
{
    CalClient *client = CAL_CLIENT (cal_client);

    LOG ("    todo-conduit entering gnome_calendar_load_cb, tried=%d\n",
        ctxt->calendar_load_tried);

    if (status == CAL_CLIENT_LOAD_SUCCESS) {
        ctxt->calendar_load_success = TRUE;
        LOG ("    success\n");
        gtk_main_quit (); /* end the sub event loop */
    } else {
        if (ctxt->calendar_load_tried) {
            LOG ("    load and create of calendar failed\n");
            gtk_main_quit (); /* end the sub event loop */
            return;
        }

        cal_client_create_calendar (client, ctxt->calendar_file);
        ctxt->calendar_load_tried = 1;
    }
}





static int
start_calendar_server (GnomePilotConduitStandardAbs *conduit,
               GCalConduitContext *ctxt)
{
    
    g_return_val_if_fail(conduit!=NULL,-2);
    g_return_val_if_fail(ctxt!=NULL,-2);

    ctxt->client = cal_client_new ();

    /* FIX ME */
    ctxt->calendar_file = g_concat_dir_and_file (g_get_home_dir (),
                   "evolution/local/Calendar/calendar.vcf");

    gtk_signal_connect (GTK_OBJECT (ctxt->client), "cal_loaded",
                gnome_calendar_load_cb, ctxt);

    LOG ("    calling cal_client_load_calendar\n");
    cal_client_load_calendar (ctxt->client, ctxt->calendar_file);

    /* run a sub event loop to turn cal-client's async load
       notification into a synchronous call */
    gtk_main ();

    if (ctxt->calendar_load_success)
        return 0;

    return -1;
}


#if 0
/* Just a stub to link with */
void calendar_notify (time_t time, CalendarAlarm *which, void *data);
void calendar_notify (time_t time, CalendarAlarm *which, void *data) { }
#endif /* 0 */


static GSList * 
get_calendar_objects(GnomePilotConduitStandardAbs *conduit,
             gboolean *status,
             GCalConduitContext *ctxt) 
{
    GList *uids;
    GSList *result = NULL;

    g_return_val_if_fail (conduit != NULL, NULL);
    g_return_val_if_fail (ctxt != NULL, NULL);

    uids = cal_client_get_uids (ctxt->client, CALOBJ_TYPE_TODO);

    // LOG ("got %d todo entries from cal server\n", g_list_length (uids));

    if (status != NULL)
        (*status) = TRUE;

    if (! uids)
        INFO ("No entries found");
    else {
        GList *c;
        for (c=uids; c; c=c->next)
            result = g_slist_prepend (result, (gchar *) c->data);
        /* FIX ME free uids */
    }

    return result;
}


static void 
local_record_from_ical_uid (GCalLocalRecord *local,
                char *uid,
                GCalConduitContext *ctxt)
{
    //iCalObject *obj;
    CalComponent *obj;
    CalClientGetStatus status;

    g_assert(local!=NULL);

    status = cal_client_get_object (ctxt->client, uid, &obj);

    if (status == CAL_CLIENT_GET_SUCCESS)
        local_record_from_icalobject (local, obj);
    else
        INFO ("Object did not exist");
}



static char *gnome_pilot_status_to_string (gint status)
{
    switch(status) {
    case GnomePilotRecordPending: return "GnomePilotRecordPending";
    case GnomePilotRecordNothing: return "GnomePilotRecordNothing";
    case GnomePilotRecordDeleted: return "GnomePilotRecordDeleted";
    case GnomePilotRecordNew: return "GnomePilotRecordNew";
    case GnomePilotRecordModified: return "GnomePilotRecordModified";
    }

    return "Unknown";
}



/*
 * converts a iCalObject to a GCalLocalRecord
 */

void
local_record_from_icalobject(GCalLocalRecord *local,
                 CalComponent *obj) 
{
    //iCalPilotState pilot_status;
    unsigned long int pilot_status;

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

    local->ical = obj;
    local->todo = NULL; /* ??? */
    cal_component_get_pilot_id (obj, &local->local.ID);
    cal_component_get_pilot_status (obj, &pilot_status);

    switch (pilot_status) {
    case ICAL_PILOT_SYNC_NONE: 
        local->local.attr = GnomePilotRecordNothing;
        break;
    case ICAL_PILOT_SYNC_MOD: 
        local->local.attr = GnomePilotRecordModified;
        break;
    case ICAL_PILOT_SYNC_DEL: 
        local->local.attr = GnomePilotRecordDeleted; 
        break;
    default:
        g_warning ("unhandled pilot status: %ld\n", pilot_status);
    }

    /* Records without a pilot_id are new */
    if(local->local.ID == 0)
        local->local.attr = GnomePilotRecordNew;

    /*
    local->local.secret = 0;
    if (obj->class!=NULL)
        if (strcmp(obj->class,"PRIVATE")==0)
            local->local.secret = 1;
    */

    local->local.archived = 0;  
}


/*
 * Given a PilotRecord, find the matching record in
 * the calendar repository. If no match, return NULL
 */
static GCalLocalRecord *
find_record_in_repository(GnomePilotConduitStandardAbs *conduit,
              PilotRecord *remote,
              GCalConduitContext *ctxt) 
{
    char *uid = NULL;
    GCalLocalRecord *loc;
    CalClientGetStatus status;
    //iCalObject *obj;
    CalComponent *obj;
  
    g_return_val_if_fail(conduit!=NULL,NULL);
    g_return_val_if_fail(remote!=NULL,NULL);

    LOG ("find_record_in_repository: remote=%s... ",
        print_remote (remote));

    // LOG ("requesting %ld", remote->ID);

    status = cal_client_get_uid_by_pilot_id (ctxt->client, remote->ID, &uid);

    if (status == CAL_CLIENT_GET_SUCCESS) {
        status = cal_client_get_object (ctxt->client, uid, &obj);
        if (status == CAL_CLIENT_GET_SUCCESS) {
            LOG ("found %s\n", print_ical (obj));
            loc = g_new0(GCalLocalRecord,1);
            /* memory allocated in new_from_string is freed in free_match */
            local_record_from_icalobject (loc, obj);
            return loc;
        }
    }

    // INFO ("Object did not exist");
    LOG ("not found\n");
    return NULL;
}


/* 
 * updates an given iCalObject in the repository
 */
static void
update_calendar_entry_in_repository(GnomePilotConduitStandardAbs *conduit,
                    CalComponent *obj,
                    GCalConduitContext *ctxt) 
{
    gboolean success;

    g_return_if_fail (conduit!=NULL);
    g_return_if_fail (obj!=NULL);

    LOG ("        update_calendar_entry_in_repository "
        "saving %s to desktop\n",
        print_ical (obj));

    success = cal_client_update_object (ctxt->client, obj);

    if (! success) {
        WARN (_("Error while communicating with calendar server"));
    }
}


static CalComponent *
ical_from_remote_record (GnomePilotConduitStandardAbs *conduit,
             PilotRecord *remote,
             CalComponent *in_obj)
{
    CalComponent *obj;
    struct ToDo todo;
    struct icaltimetype now = icaltimetype_from_timet (time (NULL), FALSE);

    CalComponentText summary = {NULL, NULL};
    CalComponentText comment = {NULL, NULL};
    GSList *comment_list;

    g_return_val_if_fail(remote!=NULL,NULL);
    memset (&todo, 0, sizeof (struct ToDo));
    unpack_ToDo (&todo, remote->record, remote->length);

    LOG ("        ical_from_remote_record: "
        "merging remote %s into local %s\n",
        print_remote (remote), print_ical (in_obj));
    
    if (in_obj == NULL) {
        obj = cal_component_new ();
    } else {
        obj = in_obj;
    }

    summary.value = todo.description;
    cal_component_set_summary (obj, &summary);

    comment.value = todo.note;
    comment_list = g_slist_append (NULL, &comment);
    cal_component_set_comment_list (obj, comment_list);
    g_slist_free (comment_list);

    cal_component_set_new_vtype (obj, CAL_COMPONENT_TODO);
    // obj->new = TRUE;
    // obj->created = now;
    cal_component_set_created (obj, &now);
    // obj->last_mod = now;
    cal_component_set_last_modified (obj, &now);
    /* obj->priority = 0; */
    // obj->transp = 0;
    cal_component_set_transparency (obj,
                    /*CalComponentTransparency transp*/
                    CAL_COMPONENT_TRANSP_NONE);
    /* obj->related = NULL; */

    // cal_component_set_pilot_status (obj, ICAL_PILOT_SYNC_NONE);

    /*
     * Begin and end
     */

    // obj->dtend = mktime (& todo.due);    
    {
        /* do i need to malloc these?  FIX ME */
        struct icaltimetype dtend_ictt;
        CalComponentDateTime dtend;

        dtend_ictt = icaltimetype_from_timet (mktime (& todo.due), FALSE);
        dtend.value = &dtend_ictt;
        dtend.tzid = NULL;
        cal_component_set_dtend (obj, &dtend);
    }


    /*
    if (todo.complete) {
        obj->completed = now-5;
        obj->percent = 100;
    }
    */
    {
        cal_component_set_completed (obj, &now);
    }

    /*
    LOG ("[%s] from pilot, complete=%d/%ld\n",
        todo.description,
        todo.complete,
        obj->completed);
    */


    //obj->priority = todo.priority; FIX ME

    /* g_free (obj->class); */

    /*
    if (remote->attr & dlpRecAttrSecret)
        obj->class = g_strdup ("PRIVATE");
    else
        obj->class = g_strdup ("PUBLIC");
    */

    if (remote->attr & dlpRecAttrSecret)
        cal_component_set_classification (obj, CAL_COMPONENT_CLASS_PRIVATE);
    else
        cal_component_set_classification (obj, CAL_COMPONENT_CLASS_PUBLIC);

    free_ToDo(&todo);

    return obj;
}


/* Code blatantly stolen from
 * calendar-pilot-sync.c:
 *   
 * (C) 1999 International GNOME Support
 *
 * Author:
 *   Miguel de Icaza (miguel@gnome-support.com)
 *
 * store a copy of a pilot record in the desktop database
 *
 */
static gint
update_record (GnomePilotConduitStandardAbs *conduit,
           PilotRecord *remote,
           GCalConduitContext *ctxt)
{
    //iCalObject *obj;
    CalComponent *obj;
    struct ToDo todo;
    CalClientGetStatus status;
    char *uid;

    CalComponentText summary = {NULL, NULL};
    CalComponentText comment = {NULL, NULL};
    GSList *comment_list;

    g_return_val_if_fail(remote!=NULL,-1);

    memset (&todo, 0, sizeof (struct ToDo));
    unpack_ToDo (&todo, remote->record, remote->length);

    LOG ("    cal_client_get_uid_by_pilot_id... ");

    status = cal_client_get_uid_by_pilot_id (ctxt->client,
                         remote->ID, &uid);
    if (status == CAL_CLIENT_GET_SUCCESS) {
        LOG (" succeeded with '%s'\n", uid);
        LOG ("    cal_client_get_object... ");
        status = cal_client_get_object (ctxt->client, uid, &obj);
    }

    if (status != CAL_CLIENT_GET_SUCCESS) {
        struct icaltimetype now = icaltimetype_from_timet (time (NULL), FALSE);

        LOG ("failed, making a new one.\n");

        obj = cal_component_new ();

        summary.value = todo.description;
        cal_component_set_summary (obj, &summary);

        comment.value = todo.note;
        comment_list = g_slist_append (NULL, &comment);
        cal_component_set_comment_list (obj, comment_list);
        g_slist_free (comment_list);

        // obj->type = ICAL_TODO;
        cal_component_set_new_vtype (obj, CAL_COMPONENT_TODO);
        // obj->new = TRUE;
        // obj->created = now;
        cal_component_set_created (obj, &now);
        // obj->last_mod = now;
        cal_component_set_last_modified (obj, &now);
        // obj->priority = 0;
        // obj->transp = 0;
        cal_component_set_transparency (obj,
                        /*CalComponentTransparency transp*/
                        CAL_COMPONENT_TRANSP_NONE);
        // obj->related = NULL;
        //obj->pilot_id = remote->ID;
        //obj->pilot_status = ICAL_PILOT_SYNC_NONE;
        cal_component_set_pilot_id (obj, remote->ID);
        cal_component_set_pilot_status (obj, ICAL_PILOT_SYNC_NONE);
    } else {
        CalComponent *new_obj;

        LOG ("succeeded %s\n", print_ical (obj));

        new_obj = ical_from_remote_record (conduit, remote, obj);
        obj = new_obj;
    }

    /* update record on server */
    {
        const char *uid;
        unsigned long pilot_id;

        cal_component_get_uid (obj, &uid);
        cal_component_get_pilot_id (obj, &pilot_id);

        update_calendar_entry_in_repository (conduit, obj, ctxt);
        cal_client_update_pilot_id (ctxt->client, (char *) uid, pilot_id,
                        ICAL_PILOT_SYNC_NONE);
    }

    /*
     * Shutdown
     */
    //ical_object_unref (obj);
    free_ToDo(&todo);

    return 0;
}

static void
check_for_slow_setting (GnomePilotConduit *c, GCalConduitContext *ctxt)
{
    GList *uids;
    unsigned long int entry_number;

    uids = cal_client_get_uids (ctxt->client, CALOBJ_TYPE_TODO);

    entry_number = g_list_length (uids);

    /* If the local base is empty, do a slow sync */
    if (entry_number == 0) {
        GnomePilotConduitStandard *conduit;
        LOG ("    doing slow sync\n");
        conduit = GNOME_PILOT_CONDUIT_STANDARD (c);
        gnome_pilot_conduit_standard_set_slow (conduit);
    } else {
        LOG ("    doing fast sync\n");
    }
}

static gint
pre_sync (GnomePilotConduit *c,
      GnomePilotDBInfo *dbi,
      GCalConduitContext *ctxt)
{
    int l;
    unsigned char *buf;
    GnomePilotConduitStandardAbs *conduit;
    /* gint num_records; */
    //GList *uids;

    /*
    g_log_set_always_fatal (G_LOG_LEVEL_ERROR |
                G_LOG_LEVEL_CRITICAL |
                G_LOG_LEVEL_WARNING);
    */


    conduit = GNOME_PILOT_CONDUIT_STANDARD_ABS(c);

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

    ctxt->client = NULL;
    
    if (start_calendar_server (GNOME_PILOT_CONDUIT_STANDARD_ABS(c), ctxt) != 0) {
        WARN(_("Could not start gnomecal server"));
        gnome_pilot_conduit_error(GNOME_PILOT_CONDUIT(c),
                      _("Could not start gnomecal server"));
        return -1;
    }


#if 0  
    /* Set the counters for the progress bar crap */
    num_records = GNOME_Calendar_Repository_get_number_of_objects (ctxt->calendar, GNOME_Calendar_Repository_ANY, &(ctxt->ev));

    catch_ret_val (ctxt->ev, -1);
    gnome_pilot_conduit_standard_abs_set_num_local_records(GNOME_PILOT_CONDUIT_STANDARD_ABS(c), num_records);
    num_records = GNOME_Calendar_Repository_get_number_of_objects (ctxt->calendar, GNOME_Calendar_Repository_MODIFIED, &(ctxt->ev));
    catch_ret_val (ctxt->ev, -1);
    gnome_pilot_conduit_standard_abs_set_num_updated_local_records(GNOME_PILOT_CONDUIT_STANDARD_ABS(c), num_records);
    num_records = GNOME_Calendar_Repository_get_number_of_objects (ctxt->calendar, GNOME_Calendar_Repository_NEW, &(ctxt->ev));
    catch_ret_val (ctxt->ev, -1);
    gnome_pilot_conduit_standard_abs_set_num_new_local_records(GNOME_PILOT_CONDUIT_STANDARD_ABS(c), num_records);
    num_records = GNOME_Calendar_Repository_get_number_of_objects (ctxt->calendar, GNOME_Calendar_Repository_DELETED, &(ctxt->ev));
    catch_ret_val (ctxt->ev, -1);
    gnome_pilot_conduit_standard_abs_set_num_deleted_local_records(GNOME_PILOT_CONDUIT_STANDARD_ABS(c), num_records);
#endif /* 0 */

    gtk_object_set_data(GTK_OBJECT(c),"dbinfo",dbi);
  
    /* load_records(c); */

    buf = (unsigned char*)g_malloc(0xffff);
    if((l=dlp_ReadAppBlock(dbi->pilot_socket,dbi->db_handle,0,(unsigned char *)buf,0xffff)) < 0) {
        WARN(_("Could not read pilot's ToDo application block"));
        WARN("dlp_ReadAppBlock(...) = %d",l);
        gnome_pilot_conduit_error(GNOME_PILOT_CONDUIT(c),
                 _("Could not read pilot's ToDo application block"));
        return -1;
    }
    unpack_ToDoAppInfo(&(ctxt->ai),buf,l);
    g_free(buf);

    check_for_slow_setting(c,ctxt);

    return 0;
}

/**
 * Find (if possible) the local record which matches
 * the given PilotRecord.
 * if successfull, return non-zero and set *local to
 * a non-null value (the located local record),
 * otherwise return 0 and set *local = NULL;
 */

static gint
match_record    (GnomePilotConduitStandardAbs *conduit,
         GCalLocalRecord **local,
         PilotRecord *remote,
         GCalConduitContext *ctxt)
{
    LOG ("match_record: 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 = find_record_in_repository(conduit,remote,ctxt);

    if (*local == NULL)
        LOG ("    match_record: not found.\n");
    else
        LOG ("    match_record: found, %s\n", print_local (*local));
  
    if (*local==NULL) return -1;
    return 0;
}

/**
 * Free the data allocated by a previous match_record call.
 * If successfull, return non-zero and ser *local=NULL, otherwise
 * return 0.
 */
static gint
free_match  (GnomePilotConduitStandardAbs *conduit,
         GCalLocalRecord **local,
         GCalConduitContext *ctxt)
{
    LOG ("free_match: %s\n", print_local (*local));

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

    // ical_object_unref (GCAL_LOCALRECORD(*local)->ical); 
    g_free (*local);

        *local = NULL;
    return 0;
}

/*
  Move to archive and set status to Nothing
 */
static gint
archive_local (GnomePilotConduitStandardAbs *conduit,
           GCalLocalRecord *local,
           GCalConduitContext *ctxt)
{
    LOG ("archive_local: doing nothing with %s\n", print_local (local));

    g_return_val_if_fail(local!=NULL,-1);

    return -1;
}

/*
  Store in archive and set status to Nothing
 */
static gint
archive_remote (GnomePilotConduitStandardAbs *conduit,
        GCalLocalRecord *local,
        PilotRecord *remote,
        GCalConduitContext *ctxt)
{
    LOG ("archive_remote: doing nothing with %s\n",
        print_local (local));

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

    return -1;
}

/*
  Store and set status to Nothing
 */
static gint
store_remote (GnomePilotConduitStandardAbs *conduit,
          PilotRecord *remote,
          GCalConduitContext *ctxt)
{
    LOG ("store_remote: copying pilot record %s to desktop\n",
        print_remote (remote));

    g_return_val_if_fail(remote!=NULL,-1);
    remote->attr = GnomePilotRecordNothing;

    return update_record(conduit,remote,ctxt);
}

static gint
clear_status_archive_local (GnomePilotConduitStandardAbs *conduit,
                GCalLocalRecord *local,
                GCalConduitContext *ctxt)
{
    LOG ("clear_status_archive_local: doing nothing\n");

    g_return_val_if_fail(local!=NULL,-1);

        return -1;
}

static gint
iterate (GnomePilotConduitStandardAbs *conduit,
     GCalLocalRecord **local,
     GCalConduitContext *ctxt)
{
    static GSList *events,*iterator;
    static int hest;

    g_return_val_if_fail(local!=NULL,-1);

    if(*local==NULL) {
        // LOG ("beginning iteration");

        events = get_calendar_objects(conduit,NULL,ctxt);
        hest = 0;
        
        if(events!=NULL) {
            // LOG ("iterating over %d records", g_slist_length (events));
            *local = g_new0(GCalLocalRecord,1);

            local_record_from_ical_uid(*local,(gchar*)events->data,ctxt);
            iterator = events;
        } else {
            // LOG ("no events");
            (*local) = NULL;
        }
    } else {
        /* LOG ("continuing iteration\n"); */
        hest++;
        if(g_slist_next(iterator)==NULL) {
            GSList *l;

            // LOG ("ending");
            /** free stuff allocated for iteration */
            g_free((*local));

            // LOG ("iterated over %d records", hest);
            for(l=events;l;l=l->next)
                g_free(l->data);

            g_slist_free(events);

            /* ends iteration */
            (*local) = NULL;
            return 0;
        } else {
            iterator = g_slist_next(iterator);
            local_record_from_ical_uid(*local,(gchar*)(iterator->data),ctxt);
        }
    }
    return 1;
}


static gint
iterate_specific (GnomePilotConduitStandardAbs *conduit,
          GCalLocalRecord **local,
          gint flag,
          gint archived,
          GCalConduitContext *ctxt)
{
    (*local) = NULL; /* ??? */

    /* debugging */
    {
        gchar *tmp;
        switch (flag) {
        case GnomePilotRecordNothing:
            tmp = g_strdup("RecordNothing"); break;
        case GnomePilotRecordModified:
            tmp = g_strdup("RecordModified"); break;
        case GnomePilotRecordDeleted:
            tmp = g_strdup("RecordDeleted"); break;
        case GnomePilotRecordNew:
            tmp = g_strdup("RecordNew"); break;
        default: tmp = g_strdup_printf("0x%x",flag); break;
        }
        LOG ("\niterate_specific: (flag = %s)... ", tmp);
        g_free(tmp);
    }

    g_return_val_if_fail(local!=NULL,-1);

    /* iterate until a record meets the criteria */
    while (gnome_pilot_conduit_standard_abs_iterate (conduit,
                              (LocalRecord**)local)) {
        if((*local)==NULL) break;
        if(archived && ((*local)->local.archived==archived)) break;
        if(((*local)->local.attr == flag)) break;
    }

    if ((*local)) {
        LOG (" found %s\n", print_local (*local));
    } else {
        LOG (" no more found.\n");
    }

    return (*local)==NULL?0:1;
}

static gint
purge (GnomePilotConduitStandardAbs *conduit,
       GCalConduitContext *ctxt)
{
    LOG ("purge: doing nothing\n");

    /* HEST, gem posterne her */

    return -1;
}


static gint
set_status (GnomePilotConduitStandardAbs *conduit,
        GCalLocalRecord *local,
        gint status,
        GCalConduitContext *ctxt)
{
    gboolean success;
    iCalPilotState new_state;

    LOG ("set_status: %s status is now '%s'\n",
        print_local (local),
        gnome_pilot_status_to_string (status));

    g_return_val_if_fail(local!=NULL,-1);
    g_assert(local->ical!=NULL);
    
    local->local.attr = status;
    switch(status) {
    case GnomePilotRecordPending:
    case GnomePilotRecordNothing:
        new_state = ICAL_PILOT_SYNC_NONE;
        break;
    case GnomePilotRecordDeleted:
        break;
    case GnomePilotRecordNew:
    case GnomePilotRecordModified:
        new_state = ICAL_PILOT_SYNC_MOD;
        break;    
    }
    
    if (status == GnomePilotRecordDeleted) {
        const char *uid;
        cal_component_get_uid (local->ical, &uid);
        success = cal_client_remove_object (ctxt->client, uid);
    } else {
        const char *uid;
        unsigned long pilot_id;

        cal_component_get_uid (local->ical, &uid);
        cal_component_get_pilot_id (local->ical, &pilot_id);

        success = cal_client_update_object (ctxt->client, local->ical);
        cal_client_update_pilot_id (ctxt->client, (char *) uid,
                        pilot_id, new_state);
    }

    if (! success) {
        WARN (_("Error while communicating with calendar server"));
    }
    
        return 0;
}

static gint
set_archived (GnomePilotConduitStandardAbs *conduit,
          GCalLocalRecord *local,
          gint archived,
          GCalConduitContext *ctxt)
{
    LOG ("set_archived: %s archived flag is now '%d'\n",
        print_local (local), archived);

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

    local->local.archived = archived;
    update_calendar_entry_in_repository(conduit,local->ical,ctxt);
    /* FIXME: This should move the entry into a speciel
       calendar file, eg. Archive, or (by config option), simply
       delete it */
        return 0;
}

static gint
set_pilot_id (GnomePilotConduitStandardAbs *conduit,
          GCalLocalRecord *local,
          guint32 ID,
          GCalConduitContext *ctxt)
{
    const char *uid;
    unsigned long int pilot_status;

    LOG ("set_pilot_id: %s pilot ID is now '%d'\n",
        print_local (local), ID);

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

    local->local.ID = ID;
    cal_component_set_pilot_id (local->ical, ID);

    cal_component_get_uid (local->ical, &uid);
    cal_component_get_pilot_status (local->ical, &pilot_status);

    cal_client_update_pilot_id (ctxt->client,
                    (char *) uid,
                    local->local.ID,
                    pilot_status);

        return 0;
}

static gint
transmit (GnomePilotConduitStandardAbs *conduit,
      GCalLocalRecord *local,
      PilotRecord **remote,
      GCalConduitContext *ctxt)
{
    PilotRecord *p;
    /* priority; FIX ME */
    struct icaltimetype *completed;
    CalComponentText summary;
    GSList *comment_list = NULL;
    CalComponentText *comment;

    LOG ("transmit: encoding local %s\n", print_local (local));

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

    p = g_new0(PilotRecord,1);

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

    local->todo = g_new0(struct ToDo,1);

    {
        CalComponentDateTime dtend;
        time_t dtend_time_t;

        cal_component_get_dtend (local->ical, &dtend);
        dtend_time_t = time_from_icaltimetype (*dtend.value);

        local->todo->due = *localtime (&dtend_time_t);
        local->todo->indefinite = (dtend.value->year == 0);
    }

    //local->todo->priority = local->ical->priority;
    local->todo->priority = 1; /* FIX ME */

    cal_component_get_completed (local->ical, &completed);
    if (completed->year > 0)
        local->todo->complete = 1; /* FIX ME */

    /* STOP: don't replace these with g_strdup, since free_ToDo
       uses free to deallocte */

    cal_component_get_summary (local->ical, &summary);
    local->todo->description = 
        //local->ical->summary == NULL ? NULL : strdup (summary.value);
        strdup ((char *) summary.value);


    cal_component_get_comment_list (local->ical, &comment_list);
    if (comment_list) {
        comment = (CalComponentText *) comment_list->data;
        if (comment && comment->value)
            local->todo->note = strdup (comment->value);
        else
            local->todo->note = NULL;
    } else {
        local->todo->note = NULL;
    }

    /*
    LOG ("transmitting todo to pilot [%s] complete=%d/%ld\n",
        local->ical->summary==NULL?"NULL":local->ical->summary,
        local->todo->complete, local->ical->completed);
    */

    /* Generate pilot record structure */
    p->record = g_new0(char,0xffff);
    p->length = pack_ToDo(local->todo,p->record,0xffff);

    *remote = p;

    return 0;
}

static gint
free_transmit (GnomePilotConduitStandardAbs *conduit,
           GCalLocalRecord *local,
           PilotRecord **remote,
           GCalConduitContext *ctxt)
{
    LOG ("free_transmit: freeing %s\n",
        print_local (local));

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

    /* free_ToDo(local->todo); */ /* FIX ME is this needed? */
    g_free((*remote)->record);
    *remote = NULL;
        return 0;
}


static gint
compare (GnomePilotConduitStandardAbs *conduit,
        GCalLocalRecord *local,
        PilotRecord *remote,
        GCalConduitContext *ctxt)
{
    /* used by the quick compare */
    PilotRecord *remoteOfLocal;
    int err;
    int retval;

    LOG ("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);

    err = transmit(conduit,local,&remoteOfLocal,ctxt);
    if (err != 0) return err;

    retval = 0;
    if (remote->length == remoteOfLocal->length) {
        if  (memcmp (remoteOfLocal->record,
                 remote->record, remote->length)!=0) {
            LOG ("    compare failed on contents\n");
            retval = 1;
        }
    } else {
        LOG("    compare failed on length\n");
        retval = 1;
    }


    if (retval == 0) {
        LOG ("    match.\n");
    } else {
        /* debug spew */
        LOG ("        local:%s\n", print_remote (remoteOfLocal));
        LOG ("        remote:%s\n", print_remote (remote));
    }

    free_transmit(conduit,local,&remoteOfLocal,ctxt);   
    return retval;
}


static gint
compare_backup (GnomePilotConduitStandardAbs *conduit,
        GCalLocalRecord *local,
        PilotRecord *remote,
        GCalConduitContext *ctxt)
{
    LOG ("compare_backup: doing nothing\n");

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

        return -1;
}


static gint
delete_all (GnomePilotConduitStandardAbs *conduit,
        GCalConduitContext *ctxt)
{
    GSList *events,*it;
    gboolean error;
    gboolean success;

    events = get_calendar_objects(conduit,&error,ctxt);

    LOG ("delete_all: deleting all objects from desktop\n");

    if (error == FALSE) return -1;
    for (it=events; it; it = g_slist_next (it)) {
        success = cal_client_remove_object (ctxt->client, it->data);

        if (!success)
            INFO ("Object did not exist");

        g_free (it->data);
    }

    g_slist_free (events);
        return -1;
}


static ORBit_MessageValidationResult
accept_all_cookies (CORBA_unsigned_long request_id,
            CORBA_Principal *principal,
            CORBA_char *operation)
{
    /* allow ALL cookies */
    return ORBIT_MESSAGE_ALLOW_ALL;
}


GnomePilotConduit *
conduit_get_gpilot_conduit (guint32 pilotId)
{
    GtkObject *retval;
    GCalConduitCfg *cfg;
    GCalConduitContext *ctxt;

    LOG ("in todo's conduit_get_gpilot_conduit\n");

    /* we need to find wombat with oaf, so make sure oaf
       is initialized here.  once the desktop is converted
       to oaf and gpilotd is built with oaf, this can go away */
    if (! oaf_is_initialized ())
    {
        char *argv[ 1 ] = {"hi"};
        oaf_init (1, argv);

        if (bonobo_init (CORBA_OBJECT_NIL,
                 CORBA_OBJECT_NIL,
                 CORBA_OBJECT_NIL) == FALSE)
            g_error (_("Could not initialize Bonobo"));

        ORBit_set_request_validation_handler (accept_all_cookies);
    }

    retval = gnome_pilot_conduit_standard_abs_new ("ToDoDB", 0x746F646F);
    g_assert (retval != NULL);
    gnome_pilot_conduit_construct(GNOME_PILOT_CONDUIT(retval),"ToDoConduit");

    gcalconduit_load_configuration(&cfg,pilotId);
    gtk_object_set_data(retval,"todoconduit_cfg",cfg);

    gcalconduit_new_context(&ctxt,cfg);
    gtk_object_set_data(GTK_OBJECT(retval),"todoconduit_context",ctxt);

    gtk_signal_connect (retval, "match_record", (GtkSignalFunc) match_record, ctxt);
    gtk_signal_connect (retval, "free_match", (GtkSignalFunc) free_match, ctxt);
    gtk_signal_connect (retval, "archive_local", (GtkSignalFunc) archive_local, ctxt);
    gtk_signal_connect (retval, "archive_remote", (GtkSignalFunc) archive_remote, ctxt);
    gtk_signal_connect (retval, "store_remote", (GtkSignalFunc) store_remote, ctxt);
    gtk_signal_connect (retval, "clear_status_archive_local", (GtkSignalFunc) clear_status_archive_local, ctxt);
    gtk_signal_connect (retval, "iterate", (GtkSignalFunc) iterate, ctxt);
    gtk_signal_connect (retval, "iterate_specific", (GtkSignalFunc) iterate_specific, ctxt);
    gtk_signal_connect (retval, "purge", (GtkSignalFunc) purge, ctxt);
    gtk_signal_connect (retval, "set_status", (GtkSignalFunc) set_status, ctxt);
    gtk_signal_connect (retval, "set_archived", (GtkSignalFunc) set_archived, ctxt);
    gtk_signal_connect (retval, "set_pilot_id", (GtkSignalFunc) set_pilot_id, ctxt);
    gtk_signal_connect (retval, "compare", (GtkSignalFunc) compare, ctxt);
    gtk_signal_connect (retval, "compare_backup", (GtkSignalFunc) compare_backup, ctxt);
    gtk_signal_connect (retval, "free_transmit", (GtkSignalFunc) free_transmit, ctxt);
    gtk_signal_connect (retval, "delete_all", (GtkSignalFunc) delete_all, ctxt);
    gtk_signal_connect (retval, "transmit", (GtkSignalFunc) transmit, ctxt);
    gtk_signal_connect (retval, "pre_sync", (GtkSignalFunc) pre_sync, ctxt);

    return GNOME_PILOT_CONDUIT (retval);
}

void
conduit_destroy_gpilot_conduit (GnomePilotConduit *conduit)
{ 
        GCalConduitCfg *cc;
    GCalConduitContext *ctxt;

        cc = GET_GCALCONFIG(conduit);
    ctxt = GET_GCALCONTEXT(conduit);

    if (ctxt->client != NULL) {
        gtk_object_unref (GTK_OBJECT (ctxt->client));
        //pi_close (ctxt->link);
        //GNOME_Calendar_Repository_done (ctxt->calendar, &(ctxt->ev));
    }

        gcalconduit_destroy_configuration (&cc);

    gcalconduit_destroy_context (&ctxt);

    gtk_object_destroy (GTK_OBJECT (conduit));
}