icalspanlist *icalspanlist_from_vfreebusy(icalcomponent *comp)
{
icalcomponent *inner;
icalproperty *prop;
icalspanlist *sl;
icalerror_check_arg_rz((comp != NULL), "comp");
inner = icalcomponent_get_inner(comp);
if (!inner)
return NULL;
if ((sl = (icalspanlist *) malloc(sizeof(icalspanlist))) == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
return 0;
}
sl->spans = pvl_newlist();
/* cycle through each FREEBUSY property, adding to the spanlist */
for (prop = icalcomponent_get_first_property(inner, ICAL_FREEBUSY_PROPERTY);
prop != NULL;
prop = icalcomponent_get_next_property(inner, ICAL_FREEBUSY_PROPERTY)) {
icaltime_span *s = (icaltime_span *) malloc(sizeof(icaltime_span));
icalparameter *param;
struct icalperiodtype period;
icalparameter_fbtype fbtype;
if (s == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
icalspanlist_free(sl);
return 0;
}
param = icalproperty_get_first_parameter(prop, ICAL_FBTYPE_PARAMETER);
fbtype = (param) ? icalparameter_get_fbtype(param) : ICAL_FBTYPE_BUSY;
switch (fbtype) {
case ICAL_FBTYPE_FREE:
case ICAL_FBTYPE_NONE:
case ICAL_FBTYPE_X:
s->is_busy = 1;
break;
default:
s->is_busy = 0;
}
period = icalproperty_get_freebusy(prop);
s->start = icaltime_as_timet_with_zone(period.start, icaltimezone_get_utc_timezone());
s->end = icaltime_as_timet_with_zone(period.end, icaltimezone_get_utc_timezone());
;
pvl_insert_ordered(sl->spans, compare_span, (void *)s);
}
/** @todo calculate start/end limits.. fill in holes? **/
return sl;
}
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;
}
icalspanlist *icalspanlist_new(icalset *set, struct icaltimetype start, struct icaltimetype end)
{
struct icaltime_span range;
pvl_elem itr;
icalcomponent *c, *inner;
icalcomponent_kind kind, inner_kind;
icalspanlist *sl;
struct icaltime_span *freetime;
if ((sl = (struct icalspanlist_impl *)malloc(sizeof(struct icalspanlist_impl))) == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
return 0;
}
sl->spans = pvl_newlist();
sl->start = start;
sl->end = end;
range.start = icaltime_as_timet(start);
range.end = icaltime_as_timet(end);
/* Get a list of spans of busy time from the events in the set
and order the spans based on the start time */
for (c = icalset_get_first_component(set);
c != 0;
c = icalset_get_next_component(set)) {
kind = icalcomponent_isa(c);
inner = icalcomponent_get_inner(c);
if (!inner)
continue;
inner_kind = icalcomponent_isa(inner);
if (kind != ICAL_VEVENT_COMPONENT && inner_kind != ICAL_VEVENT_COMPONENT)
continue;
icalerror_clear_errno();
icalcomponent_foreach_recurrence(c, start, end, icalspanlist_new_callback, (void *)sl);
}
/* Now Fill in the free time spans. loop through the spans. if the
start of the range is not within the span, create a free entry
that runs from the start of the range to the start of the
span. */
for (itr = pvl_head(sl->spans); itr != 0; itr = pvl_next(itr)) {
struct icaltime_span *s = (struct icaltime_span *)pvl_data(itr);
if ((freetime = (struct icaltime_span *)malloc(sizeof(struct icaltime_span))) == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
icalspanlist_free(sl);
return 0;
}
if (range.start < s->start) {
freetime->start = range.start;
freetime->end = s->start;
freetime->is_busy = 0;
pvl_insert_ordered(sl->spans, compare_span, (void *)freetime);
} else {
free(freetime);
}
range.start = s->end;
}
/* If the end of the range is null, then assume that everything
after the last item in the calendar is open and add a span
that indicates this */
if (icaltime_is_null_time(end)) {
struct icaltime_span *last_span;
last_span = (struct icaltime_span *)pvl_data(pvl_tail(sl->spans));
if (last_span != 0) {
if ((freetime = (struct icaltime_span *)malloc(sizeof(struct icaltime_span))) == 0) {
icalerror_set_errno(ICAL_NEWFAILED_ERROR);
icalspanlist_free(sl);
return 0;
}
freetime->is_busy = 0;
freetime->start = last_span->end;
freetime->end = freetime->start;
pvl_insert_ordered(sl->spans, compare_span, (void *)freetime);
}
}
return sl;
}
