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path: root/calendar/gui/corba-cal.c
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/*
 * corba-cal.c: Service that provides access to the calendar repository
 *
 * Author:
 *   Miguel de Icaza (miguel@gnu.org)
 */

#include <config.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include "calendar.h"
#include "gnome-cal.h"
#include "alarm.h"
#include "timeutil.h"
#include "../libversit/vcc.h"
#include <libgnorba/gnome-factory.h>
#include "GnomeCal.h"
#include "corba-cal-factory.h"
#include "corba-cal.h"

typedef struct {
    POA_GNOME_Calendar_Repository servant;  
    GnomeCalendar *calendar;
} CalendarServant;

/*
 * Vectors
 */
static POA_GNOME_Calendar_Repository__epv  calendar_repository_epv;
static POA_GNOME_Calendar_Repository__vepv calendar_repository_vepv;

/*
 * Servant and Object Factory
 */
static POA_GNOME_Calendar_Repository calendar_repository_servant;

static inline GnomeCalendar *
gnomecal_from_servant (PortableServer_Servant servant)
{
    CalendarServant *cs = (CalendarServant *) servant;

    return cs->calendar;
}

static CORBA_char *
cal_repo_get_object (PortableServer_Servant servant,
             const CORBA_char  *uid,
             CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;
    char *buffer;
    CORBA_char *ret;
    
    obj = calendar_object_find_event (gcal->cal, uid);
    if (obj == NULL){
            GNOME_Calendar_Repository_NotFound *exn;

        exn = GNOME_Calendar_Repository_NotFound__alloc();
        CORBA_exception_set (
            ev,
            CORBA_USER_EXCEPTION,
            ex_GNOME_Calendar_Repository_NotFound,
            exn);
        return NULL;
    }

    buffer = calendar_string_from_object (obj);
    ret = CORBA_string_dup (buffer);
    free (buffer);

    return ret;
}

static CORBA_char *
cal_repo_get_object_by_pilot_id (PortableServer_Servant servant,
                 CORBA_long  pilot_id,
                 CORBA_Environment  *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;
    char *buffer;
    CORBA_char *ret;

    obj = calendar_object_find_by_pilot (gcal->cal, pilot_id);
    if (obj == NULL){
            GNOME_Calendar_Repository_NotFound *exn;

        exn = GNOME_Calendar_Repository_NotFound__alloc();
        CORBA_exception_set (ev,
                     CORBA_USER_EXCEPTION,
                     ex_GNOME_Calendar_Repository_NotFound, exn);
        return NULL;
    }

    buffer = calendar_string_from_object (obj);
    ret = CORBA_string_dup (buffer);
    free (buffer);

    return ret;
    
}

static CORBA_char *
cal_repo_get_id_from_pilot_id (PortableServer_Servant servant,
                   CORBA_long  pilot_id,
                   CORBA_Environment  *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;
    
    obj = calendar_object_find_by_pilot (gcal->cal, pilot_id);
    if (obj == NULL){
            GNOME_Calendar_Repository_NotFound *exn;

        exn = GNOME_Calendar_Repository_NotFound__alloc();
        CORBA_exception_set (ev,
                     CORBA_USER_EXCEPTION,
                     ex_GNOME_Calendar_Repository_NotFound, exn);
        return NULL;
    }

    return CORBA_string_dup (obj->uid);
}

static void
cal_repo_delete_object (PortableServer_Servant servant,
            const CORBA_char  *uid,
            CORBA_Environment  *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;

    obj = calendar_object_find_event (gcal->cal, uid);
    if (obj == NULL){
            GNOME_Calendar_Repository_NotFound *exn;

        exn = GNOME_Calendar_Repository_NotFound__alloc();
        CORBA_exception_set (ev,
                     CORBA_USER_EXCEPTION,
                     ex_GNOME_Calendar_Repository_NotFound, exn);
        return;
    }

    gnome_calendar_remove_object (gcal, obj);
}

static void
cal_repo_update_object (PortableServer_Servant servant,
            const CORBA_char *uid,
            const CORBA_char *vcalendar_object,
            CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;
    iCalObject *new_object;
    
    new_object = ical_object_new_from_string (vcalendar_object);
    
    obj = calendar_object_find_event (gcal->cal, uid);
    if (obj != NULL){
        calendar_remove_object (gcal->cal, obj);
    } 

    calendar_add_object (gcal->cal, new_object);
}

static void
cal_repo_update_pilot_id (PortableServer_Servant servant,
              const CORBA_char *uid,
              const CORBA_long pilot_id,
              const CORBA_long pilot_status,
              CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    iCalObject *obj;
    
    obj = calendar_object_find_event (gcal->cal, uid);
    if (obj == NULL){
            GNOME_Calendar_Repository_NotFound *exn;

        exn = GNOME_Calendar_Repository_NotFound__alloc();
        CORBA_exception_set (
            ev,
            CORBA_USER_EXCEPTION,
            ex_GNOME_Calendar_Repository_NotFound,
            exn);
        return;
    }

    obj->pilot_id = pilot_id;
    obj->pilot_status = pilot_status;
}

static CORBA_char *
cal_repo_get_objects (PortableServer_Servant servant,
              CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    char *str;
    CORBA_char *res;

    str = calendar_get_as_vcal_string (gcal->cal); 
    g_message("length of result is %d",strlen(str));
    res = CORBA_string_dup (str);
    free(str); /* ...get_as_vcal calls writeMemVObject, which uses realloc to 
              allocate this string */

    return res;
}

static CORBA_long
cal_repo_get_number_of_objects (PortableServer_Servant servant,
                GNOME_Calendar_Repository_RecordStatus record_status,
                CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    CORBA_long res;
    GList *l;
    iCalPilotState real_record_status;

    if (record_status == GNOME_Calendar_Repository_ANY) {
        return g_list_length(gcal->cal->events);
    }

    switch (record_status) {
    case GNOME_Calendar_Repository_NEW:
        real_record_status = ICAL_PILOT_SYNC_MOD;
        break;
    case GNOME_Calendar_Repository_MODIFIED:
        real_record_status = ICAL_PILOT_SYNC_MOD;
        break;
    case GNOME_Calendar_Repository_DELETED:
        real_record_status = ICAL_PILOT_SYNC_DEL;
        break;
    }

    res = 0;

    for (l = gcal->cal->events; l; l = l->next){
        iCalObject *obj = l->data;

        if (obj->pilot_status == real_record_status)
            res ++;
    }
    
    return res;
}

static GNOME_Calendar_Repository_String_Sequence*
cal_repo_get_object_id_list(PortableServer_Servant servant,
                CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    GList *l;
    GNOME_Calendar_Repository_String_Sequence *result;
    int counter;
    
    result = GNOME_Calendar_Repository_String_Sequence__alloc();
    result->_length = g_list_length(gcal->cal->events);
    result->_buffer = CORBA_sequence_CORBA_string_allocbuf(result->_length);

    counter = 0;
    for (l = gcal->cal->events ; l; l = l->next){
        iCalObject *obj = l->data;
        result->_buffer[counter] = CORBA_string_dup(obj->uid);
        counter++;
    }

    return result;
}

static CORBA_char *
cal_repo_get_updated_objects (PortableServer_Servant servant,
                  CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);
    Calendar *dirty_cal;
    GList *l;
    CORBA_char *res;
    char *str;

    dirty_cal = calendar_new ("Temporal",CALENDAR_INIT_NIL);
    
    for (l = gcal->cal->events; l; l = l->next){
        iCalObject *obj = l->data;

        if (obj->pilot_status != ICAL_PILOT_SYNC_MOD)
            continue;

        obj = ical_object_duplicate (l->data);

        calendar_add_object (dirty_cal, obj);
    }
    str = calendar_get_as_vcal_string (dirty_cal);
    res = CORBA_string_dup (str);
    g_free (str);
    calendar_destroy (dirty_cal);

    return res;
}

static void
cal_repo_done (PortableServer_Servant servant,
           CORBA_Environment *ev)
{
    GnomeCalendar *gcal = gnomecal_from_servant (servant);

    calendar_save (gcal->cal, NULL);
}

static void
init_calendar_repo_class (void)
{
    calendar_repository_epv.get_object = cal_repo_get_object;
    calendar_repository_epv.get_object_by_pilot_id = cal_repo_get_object_by_pilot_id;
    calendar_repository_epv.get_id_from_pilot_id = cal_repo_get_id_from_pilot_id;
    calendar_repository_epv.delete_object = cal_repo_delete_object;
    calendar_repository_epv.update_object = cal_repo_update_object;
    calendar_repository_epv.get_objects = cal_repo_get_objects;
    calendar_repository_epv.get_number_of_objects = cal_repo_get_number_of_objects;
    calendar_repository_epv.get_updated_objects = cal_repo_get_updated_objects;
    calendar_repository_epv.update_pilot_id = cal_repo_update_pilot_id;
    calendar_repository_epv.get_object_id_list = cal_repo_get_object_id_list;
    
    calendar_repository_epv.done = cal_repo_done;
    
    calendar_repository_vepv.GNOME_Calendar_Repository_epv =
        &calendar_repository_epv;

    calendar_repository_servant.vepv = &calendar_repository_vepv;
}

/*
 * Initializes the CORBA parts of the @calendar object
 */
void
gnome_calendar_create_corba_server (GnomeCalendar *calendar)
{
    static gboolean class_inited = FALSE;
    CalendarServant *calendar_servant;
    CORBA_Environment ev;
    
    if (!class_inited){
        init_calendar_repo_class ();
        class_inited = TRUE;
    }

    calendar_servant = g_new0 (CalendarServant, 1);
    calendar_servant->servant.vepv = &calendar_repository_vepv;
    calendar_servant->calendar = calendar;

    CORBA_exception_init (&ev);
    POA_GNOME_Calendar_Repository__init ((PortableServer_Servant) calendar_servant, &ev);
    CORBA_free (
        PortableServer_POA_activate_object (poa, calendar_servant, &ev));
    calendar->cal->corba_server = PortableServer_POA_servant_to_reference (
        poa, calendar_servant, &ev);
    CORBA_exception_free (&ev);
}