static void
e_cal_util_remove_instances_ex (icalcomponent *icalcomp,
struct icaltimetype rid,
ECalObjModType mod,
gboolean keep_rid,
gboolean can_add_exrule)
{
icalproperty *prop;
struct icaltimetype itt, recur;
struct icalrecurrencetype rule;
icalrecur_iterator *iter;
GSList *remove_props = NULL, *rrules = NULL, *link;
g_return_if_fail (icalcomp != NULL);
g_return_if_fail (mod != E_CAL_OBJ_MOD_ALL);
/* First remove RDATEs and EXDATEs in the indicated range. */
for (prop = icalcomponent_get_first_property (icalcomp, ICAL_RDATE_PROPERTY);
prop;
prop = icalcomponent_get_next_property (icalcomp, ICAL_RDATE_PROPERTY)) {
struct icaldatetimeperiodtype period;
period = icalproperty_get_rdate (prop);
if (time_matches_rid (period.time, rid, mod) && (!keep_rid ||
icaltime_compare (period.time, rid) != 0))
remove_props = g_slist_prepend (remove_props, prop);
}
for (prop = icalcomponent_get_first_property (icalcomp, ICAL_EXDATE_PROPERTY);
prop;
prop = icalcomponent_get_next_property (icalcomp, ICAL_EXDATE_PROPERTY)) {
itt = icalproperty_get_exdate (prop);
if (time_matches_rid (itt, rid, mod) && (!keep_rid ||
icaltime_compare (itt, rid) != 0))
remove_props = g_slist_prepend (remove_props, prop);
}
for (link = remove_props; link; link = g_slist_next (link)) {
prop = link->data;
icalcomponent_remove_property (icalcomp, prop);
}
g_slist_free (remove_props);
remove_props = NULL;
/* If we're only removing one instance, just add an EXDATE. */
if (mod == E_CAL_OBJ_MOD_THIS) {
prop = icalproperty_new_exdate (rid);
icalcomponent_add_property (icalcomp, prop);
return;
}
/* Otherwise, iterate through RRULEs */
/* FIXME: this may generate duplicate EXRULEs */
for (prop = icalcomponent_get_first_property (icalcomp, ICAL_RRULE_PROPERTY);
prop;
prop = icalcomponent_get_next_property (icalcomp, ICAL_RRULE_PROPERTY)) {
rrules = g_slist_prepend (rrules, prop);
}
for (link = rrules; link; link = g_slist_next (link)) {
prop = link->data;
rule = icalproperty_get_rrule (prop);
iter = icalrecur_iterator_new (rule, rid);
recur = icalrecur_iterator_next (iter);
if (mod & E_CAL_OBJ_MOD_THIS_AND_FUTURE) {
/* Truncate the rule at rid. */
if (!icaltime_is_null_time (recur)) {
/* Use count if it was used */
if (rule.count > 0) {
gint occurrences_count = 0;
icalrecur_iterator *count_iter;
struct icaltimetype count_recur;
count_iter = icalrecur_iterator_new (rule, icalcomponent_get_dtstart (icalcomp));
while (count_recur = icalrecur_iterator_next (count_iter), !icaltime_is_null_time (count_recur) && occurrences_count < rule.count) {
if (icaltime_compare (count_recur, rid) >= 0)
break;
occurrences_count++;
}
icalrecur_iterator_free (count_iter);
if (keep_rid && icaltime_compare (count_recur, rid) == 0)
occurrences_count++;
/* The caller should make sure that the remove will keep at least one instance */
g_warn_if_fail (occurrences_count > 0);
rule.count = occurrences_count;
} else {
if (keep_rid && icaltime_compare (recur, rid) == 0)
rule.until = icaltime_add (rid, icalcomponent_get_duration (icalcomp));
else
rule.until = rid;
icaltime_adjust (&rule.until, 0, 0, 0, -1);
}
icalproperty_set_rrule (prop, rule);
icalproperty_remove_parameter_by_name (prop, "X-EVOLUTION-ENDDATE");
}
} else {
/* (If recur == rid, skip to the next occurrence) */
if (!keep_rid && icaltime_compare (recur, rid) == 0)
recur = icalrecur_iterator_next (iter);
/* If there is a recurrence after rid, add
* an EXRULE to block instances up to rid.
* Otherwise, just remove the RRULE.
*/
if (!icaltime_is_null_time (recur)) {
if (can_add_exrule) {
rule.count = 0;
/* iCalendar says we should just use rid
* here, but Outlook/Exchange handle
* UNTIL incorrectly.
*/
if (keep_rid && icaltime_compare (recur, rid) == 0) {
struct icaldurationtype duration = icalcomponent_get_duration (icalcomp);
duration.is_neg = !duration.is_neg;
rule.until = icaltime_add (rid, duration);
} else
rule.until = icaltime_add (rid, icalcomponent_get_duration (icalcomp));
prop = icalproperty_new_exrule (rule);
icalcomponent_add_property (icalcomp, prop);
}
} else {
remove_props = g_slist_prepend (remove_props, prop);
}
}
icalrecur_iterator_free (iter);
}
for (link = remove_props; link; link = g_slist_next (link)) {
prop = link->data;
icalcomponent_remove_property (icalcomp, prop);
}
g_slist_free (remove_props);
g_slist_free (rrules);
}
/**
* e_cal_util_split_at_instance:
* @icalcomp: A (recurring) #icalcomponent
* @rid: The base RECURRENCE-ID to remove
* @master_dtstart: The DTSTART of the master object
*
* Splits a recurring @icalcomp into two at time @rid. The returned icalcomponent
* is modified @icalcomp which contains recurrences beginning at @rid, inclusive.
* The instance identified by @rid should exist. The @master_dtstart can be
* a null time, then it is read from the @icalcomp.
*
* Use e_cal_util_remove_instances() with E_CAL_OBJ_MOD_THIS_AND_FUTURE mode
* on the @icalcomp to remove the overlapping interval from it, if needed.
*
* Returns: the split icalcomponent, or %NULL.
*
* Since: 3.16
**/
icalcomponent *
e_cal_util_split_at_instance (icalcomponent *icalcomp,
struct icaltimetype rid,
struct icaltimetype master_dtstart)
{
icalproperty *prop;
struct instance_data instance;
struct icaltimetype start, end;
struct icaldurationtype duration;
GSList *remove_props = NULL, *link;
g_return_val_if_fail (icalcomp != NULL, NULL);
g_return_val_if_fail (!icaltime_is_null_time (rid), NULL);
/* Make sure this is really recurring */
if (!icalcomponent_get_first_property (icalcomp, ICAL_RRULE_PROPERTY) &&
!icalcomponent_get_first_property (icalcomp, ICAL_RDATE_PROPERTY))
return NULL;
/* Make sure the specified instance really exists */
start = icaltime_convert_to_zone (rid, icaltimezone_get_utc_timezone ());
end = start;
icaltime_adjust (&end, 0, 0, 0, 1);
instance.start = icaltime_as_timet (start);
instance.found = FALSE;
icalcomponent_foreach_recurrence (icalcomp, start, end,
check_instance, &instance);
/* Make the copy */
icalcomp = icalcomponent_new_clone (icalcomp);
e_cal_util_remove_instances_ex (icalcomp, rid, E_CAL_OBJ_MOD_THIS_AND_PRIOR, TRUE, FALSE);
start = rid;
if (icaltime_is_null_time (master_dtstart))
master_dtstart = icalcomponent_get_dtstart (icalcomp);
duration = icalcomponent_get_duration (icalcomp);
/* Expect that DTSTART and DTEND are already set when the instance could not be found */
if (instance.found) {
icalcomponent_set_dtstart (icalcomp, start);
/* Update either DURATION or DTEND */
if (icaltime_is_null_time (icalcomponent_get_dtend (icalcomp))) {
icalcomponent_set_duration (icalcomp, duration);
} else {
end = start;
if (duration.is_neg)
icaltime_adjust (&end, -duration.days - 7 * duration.weeks, -duration.hours, -duration.minutes, -duration.seconds);
else
icaltime_adjust (&end, duration.days + 7 * duration.weeks, duration.hours, duration.minutes, duration.seconds);
icalcomponent_set_dtend (icalcomp, end);
}
}
/* any RRULE with 'count' should be shortened */
for (prop = icalcomponent_get_first_property (icalcomp, ICAL_RRULE_PROPERTY);
prop;
prop = icalcomponent_get_next_property (icalcomp, ICAL_RRULE_PROPERTY)) {
struct icaltimetype recur;
struct icalrecurrencetype rule;
rule = icalproperty_get_rrule (prop);
if (rule.count != 0) {
gint occurrences_count = 0;
icalrecur_iterator *iter;
iter = icalrecur_iterator_new (rule, master_dtstart);
while (recur = icalrecur_iterator_next (iter), !icaltime_is_null_time (recur) && occurrences_count < rule.count) {
if (icaltime_compare (recur, rid) >= 0)
break;
occurrences_count++;
}
icalrecur_iterator_free (iter);
if (icaltime_is_null_time (recur)) {
remove_props = g_slist_prepend (remove_props, prop);
} else {
rule.count -= occurrences_count;
icalproperty_set_rrule (prop, rule);
icalproperty_remove_parameter_by_name (prop, "X-EVOLUTION-ENDDATE");
}
}
}
for (link = remove_props; link; link = g_slist_next (link)) {
prop = link->data;
icalcomponent_remove_property (icalcomp, prop);
}
g_slist_free (remove_props);
return icalcomp;
}
int main(int argc, char *argv[])
{
icalcomponent *c, *next_c = NULL;
int i = 0;
int dont_remove;
icalfileset_options options = { O_RDONLY, 0644, 0, NULL };
icalset *f = icalset_new(ICAL_FILE_SET, TEST_DATADIR "/process-incoming.ics", &options);
icalset *trash = icalset_new_file("trash.ics");
icalset *cal = icalset_new(ICAL_FILE_SET, TEST_DATADIR "/process-calendar.ics", &options);
icalset *out = icalset_new_file("outgoing.ics");
const char *this_user = "******";
_unused(argc);
_unused(argv);
assert(f != 0);
assert(cal != 0);
assert(trash != 0);
assert(out != 0);
/* Foreach incoming message */
for (c = icalset_get_first_component(f); c != 0; c = next_c) {
icalproperty_xlicclass class;
icalcomponent *match;
icalcomponent *inner;
icalcomponent *reply = 0;
assert(c != 0);
inner = icalcomponent_get_first_real_component(c);
i++;
reply = 0;
dont_remove = 0;
if (inner == 0) {
printf("Bad component, no inner\n %s\n", icalcomponent_as_ical_string(c));
continue;
}
/* Find a booked component that is matched to the incoming
message, based on the incoming component's UID, SEQUENCE
and RECURRENCE-ID */
match = icalset_fetch_match(cal, c);
class = icalclassify(c, match, this_user);
/* Print out the notes associated with the incoming component
and the matched component in the */
{
const char *inc_note = 0;
const char *match_note = 0;
icalproperty *p;
for (p = icalcomponent_get_first_property(c, ICAL_X_PROPERTY);
p != 0; p = icalcomponent_get_next_property(c, ICAL_X_PROPERTY)) {
if (strcmp(icalproperty_get_x_name(p), "X-LIC-NOTE") == 0) {
inc_note = icalproperty_get_x(p);
}
}
if (match != 0) {
for (p = icalcomponent_get_first_property(match, ICAL_X_PROPERTY);
p != 0;
p = icalcomponent_get_next_property(match, ICAL_X_PROPERTY)) {
if (strcmp(icalproperty_get_x_name(p), "X-LIC-NOTE") == 0) {
match_note = icalproperty_get_x(p);
}
}
}
if (inc_note != 0) {
printf("Incoming: %s\n", inc_note);
}
if (match_note != 0) {
printf("Match : %s\n", match_note);
}
}
/* Main processing structure */
switch (class) {
case ICAL_XLICCLASS_NONE:{
char temp[1024];
/* Huh? Return an error to sender */
icalrestriction_check(c);
icalcomponent_convert_errors(c);
snprintf(temp, 1024,
"I can't understand the component you sent.\n"
"Here is the component you sent, possibly with error messages:\n"
"%s",
icalcomponent_as_ical_string(c));
reply = icalmessage_new_error_reply(c, this_user, temp, "", ICAL_UNKNOWN_STATUS);
break;
}
case ICAL_XLICCLASS_PUBLISHNEW:{
/* Don't accept published events from anyone but
self. If self, fall through to ICAL_XLICCLASS_REQUESTNEW */
}
case ICAL_XLICCLASS_REQUESTNEW:{
/* Book the new component if it does not overlap
anything. If the time is busy and the start time is
an even modulo 4, delegate to
[email protected]. If the time is busy and
is 1 modulo 4, counterpropose for the first
available free time. Otherwise, deline the meeting */
icalcomponent *overlaps = icalclassify_find_overlaps(cal, c);
if (overlaps == 0) {
/* No overlaps, book the meeting */
/* icalset_add_component(cal,icalcomponent_new_clone(c));*/
/* Return a reply */
reply =
icalmessage_new_accept_reply(
c, this_user, "I can make it to this meeting");
(void)icalset_add_component(out, reply);
} else {
/* There was a conflict, so delegate, counterpropose
or decline it */
struct icaltimetype dtstart = icalcomponent_get_dtstart(c);
if (dtstart.hour % 4 == 0) {
/* Delegate the meeting */
reply =
icalmessage_new_delegate_reply(
c,
this_user,
"*****@*****.**",
"Unfortunately, I have another commitment that conflicts "
"with this meeting. I am delegating my attendance to Bob.");
(void)icalset_add_component(out, reply);
} else if (dtstart.hour % 4 == 1) {
/* Counter propose to next available time */
icalcomponent *newc;
struct icalperiodtype next_time;
icalspanlist *spanl = icalspanlist_new(cal, dtstart,
icaltime_null_time());
next_time =
icalspanlist_next_free_time(spanl, icalcomponent_get_dtstart(c));
newc = icalcomponent_new_clone(c);
icalcomponent_set_dtstart(newc, next_time.start);
/* Hack, the duration of the counterproposed
meeting may be longer than the free time
available */
icalcomponent_set_duration(newc, icalcomponent_get_duration(c));
reply =
icalmessage_new_counterpropose_reply(
c,
newc,
this_user,
"Unfortunately, I have another commitment that conflicts with "
"this meeting. I am proposing a time that works better for me.");
(void)icalset_add_component(out, reply);
icalspanlist_free(spanl);
icalcomponent_free(newc);
} else {
/* Decline the meeting */
reply =
icalmessage_new_decline_reply(
c,
this_user,
"I can't make it to this meeting");
(void)icalset_add_component(out, reply);
}
}
icalcomponent_free(overlaps);
break;
}
case ICAL_XLICCLASS_PUBLISHFREEBUSY:{
/* Store the busy time information in a file named after
the sender */
break;
}
case ICAL_XLICCLASS_PUBLISHUPDATE:{
/* Only accept publish updates from self. If self, fall
through to ICAL_XLICCLASS_REQUESTUPDATE */
}
case ICAL_XLICCLASS_REQUESTUPDATE:{
/* always accept the changes */
break;
}
case ICAL_XLICCLASS_REQUESTRESCHEDULE:{
/* Use same rules as REQUEST_NEW */
(void)icalclassify_find_overlaps(cal, c);
break;
}
case ICAL_XLICCLASS_REQUESTDELEGATE:{
break;
}
case ICAL_XLICCLASS_REQUESTNEWORGANIZER:{
break;
}
case ICAL_XLICCLASS_REQUESTFORWARD:{
break;
}
case ICAL_XLICCLASS_REQUESTSTATUS:{
break;
}
case ICAL_XLICCLASS_REQUESTFREEBUSY:{
break;
}
case ICAL_XLICCLASS_REPLYACCEPT:{
/* Change the PARTSTAT of the sender */
break;
}
case ICAL_XLICCLASS_REPLYDECLINE:{
/* Change the PARTSTAT of the sender */
break;
}
case ICAL_XLICCLASS_REPLYCRASHERACCEPT:{
/* Add the crasher to the ATTENDEE list with the
appropriate PARTSTAT */
break;
}
case ICAL_XLICCLASS_REPLYCRASHERDECLINE:{
/* Add the crasher to the ATTENDEE list with the
appropriate PARTSTAT */
break;
}
case ICAL_XLICCLASS_ADDINSTANCE:{
break;
}
case ICAL_XLICCLASS_CANCELEVENT:{
/* Remove the component */
break;
}
case ICAL_XLICCLASS_CANCELINSTANCE:{
break;
}
case ICAL_XLICCLASS_CANCELALL:{
/* Remove the component */
break;
}
case ICAL_XLICCLASS_REFRESH:{
/* Resend the latest copy of the request */
break;
}
case ICAL_XLICCLASS_COUNTER:{
break;
}
case ICAL_XLICCLASS_DECLINECOUNTER:{
break;
}
case ICAL_XLICCLASS_MALFORMED:{
/* Send back an error */
break;
}
case ICAL_XLICCLASS_OBSOLETE:{
printf(" ** Got an obsolete component:\n%s", icalcomponent_as_ical_string(c));
/* Send back an error */
break;
}
case ICAL_XLICCLASS_MISSEQUENCED:{
printf(" ** Got a missequenced component:\n%s", icalcomponent_as_ical_string(c));
/* Send back an error */
break;
}
case ICAL_XLICCLASS_UNKNOWN:{
printf(" ** Don't know what to do with this component:\n%s",
icalcomponent_as_ical_string(c));
/* Send back an error */
break;
}
case ICAL_XLICCLASS_X:
case ICAL_XLICCLASS_REPLYDELEGATE:
default:{
}
}
#if 0
if (reply != 0) {
/* Don't send the reply if the RSVP parameter indicates not to */
icalcomponent *reply_inner;
icalproperty *attendee;
icalparameter *rsvp;
reply_inner = icalcomponent_get_first_real_component(reply);
attendee = icalcomponent_get_first_property(reply_inner, ICAL_ATTENDEE_PROPERTY);
rsvp = icalproperty_get_first_parameter(attendee, ICAL_RSVP_PARAMETER);
if (rsvp == 0 || icalparameter_get_rsvp(rsvp) == 1) {
icalrestriction_check(reply);
send_message(reply, this_user);
}
icalcomponent_free(reply);
}
#endif
if (reply != 0) {
printf("%s\n", icalcomponent_as_ical_string(reply));
}
next_c = icalset_get_next_component(f);
if (dont_remove == 0) {
/*icalset_remove_component(f,c);
icalset_add_component(trash,c); */
}
}
#if 0
for (c = icalset_get_first_component(out); c != 0; c = icalset_get_next_component(out)) {
printf("%s", icalcomponent_as_ical_string(c));
}
#endif
icalset_free(f);
icalset_free(trash);
icalset_free(cal);
icalset_free(out);
return 0;
}
