/*
- * $Id$
- */
-/**
+ * Copyright (c) 1996-2012 by the citadel.org team
+ *
+ * This program is open source software. You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License, version 3.
*
- * \defgroup CalendarAv Check attendee availability for scheduling a meeting.
- * \ingroup Calendaring
+ * 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.
*/
-/*@{*/
#include "webcit.h"
-#include "webserver.h"
-
-/** only available if we have calendaring */
-#ifdef WEBCIT_WITH_CALENDAR_SERVICE
+#include "calendar.h"
-
-/**
- * \brief verify users avaiability
- * Utility function to fetch a VFREEBUSY type of thing for
- * any specified user.
- * \param who string of the user to search
+/*
+ * Utility function to fetch a VFREEBUSY type of thing for any specified user.
*/
icalcomponent *get_freebusy_for_user(char *who) {
+ long nLines;
char buf[SIZ];
- char *serialized_fb = NULL;
+ StrBuf *serialized_fb = NewStrBuf();
icalcomponent *fb = NULL;
serv_printf("ICAL freebusy|%s", who);
serv_getln(buf, sizeof buf);
if (buf[0] == '1') {
- serialized_fb = read_server_text();
+ read_server_text(serialized_fb, &nLines);
}
if (serialized_fb == NULL) {
return NULL;
}
- fb = icalcomponent_new_from_string(serialized_fb);
- free(serialized_fb);
+ fb = icalcomponent_new_from_string(ChrPtr(serialized_fb));
+ FreeStrBuf(&serialized_fb);
if (fb == NULL) {
return NULL;
}
}
-
-
-/**
- * \brief Check if dates are overlapping
- * Check to see if two events overlap.
- * (This function is used in both Citadel and WebCit. If you change it in
- * one place, change it in the other. Better yet, put it in a library.)
- * \param t1start date one start
- * \param t1end date one end
- * \param t2start date one start
- * \param t2end date two end
- * \returns nonzero if they do.
- */
-int ical_ctdl_is_overlap(
- struct icaltimetype t1start,
- struct icaltimetype t1end,
- struct icaltimetype t2start,
- struct icaltimetype t2end
-) {
-
- if (icaltime_is_null_time(t1start)) return(0);
- if (icaltime_is_null_time(t2start)) return(0);
-
- /** First, check for all-day events */
- if (t1start.is_date) {
- if (!icaltime_compare_date_only(t1start, t2start)) {
- return(1);
- }
- if (!icaltime_is_null_time(t2end)) {
- if (!icaltime_compare_date_only(t1start, t2end)) {
- return(1);
- }
- }
- }
-
- if (t2start.is_date) {
- if (!icaltime_compare_date_only(t2start, t1start)) {
- return(1);
- }
- if (!icaltime_is_null_time(t1end)) {
- if (!icaltime_compare_date_only(t2start, t1end)) {
- return(1);
- }
- }
- }
-
- /** Now check for overlaps using date *and* time. */
-
- /** First, bail out if either event 1 or event 2 is missing end time. */
- if (icaltime_is_null_time(t1end)) return(0);
- if (icaltime_is_null_time(t2end)) return(0);
-
- /** If event 1 ends before event 2 starts, we're in the clear. */
- if (icaltime_compare(t1end, t2start) <= 0) return(0);
-
- /** If event 2 ends before event 1 starts, we're also ok. */
- if (icaltime_compare(t2end, t1start) <= 0) return(0);
-
- /** Otherwise, they overlap. */
- return(1);
-}
-
-
-
/*
- * \brief dig availability on citserver
* Back end function for check_attendee_availability()
* This one checks an individual attendee against a supplied
* event start and end time. All these fields have already been
* broken out.
- * \param attendee_string name of the attendee
- * \param event_start starttime of the event to check
- * \param event_end endtime of the event to check
- * \return The result is placed in 'annotation'.
+ *
+ * attendee_string name of the attendee
+ * event_start start time of the event to check
+ * event_end end time of the event to check
+ *
+ * The result is placed in 'annotation'.
*/
void check_individual_attendee(char *attendee_string,
struct icaltimetype event_start,
icalproperty *thisfb = NULL;
struct icalperiodtype period;
- /**
+ /*
* Set to 'unknown' right from the beginning. Unless we learn
* something else, that's what we'll go with.
*/
return;
}
- /**
+ /*
* Make sure we're looking at a VFREEBUSY by itself. What we're probably
* looking at initially is a VFREEBUSY encapsulated in a VCALENDAR.
*/
fb = fbc;
}
- /** Iterate through all FREEBUSY's looking for conflicts. */
+ /* Iterate through all FREEBUSY's looking for conflicts. */
if (fb != NULL) {
strcpy(annotation, _("free"));
-/**
- * \brief check attendees availability
+/*
* Check the availability of all attendees for an event (when possible)
* and annotate accordingly.
- * \param vevent the event which should be compared with attendees calendar
+ *
+ * vevent the event which should be compared with attendees calendar
*/
void check_attendee_availability(icalcomponent *vevent) {
icalproperty *attendee = NULL;
char attendee_string[SIZ];
char annotated_attendee_string[SIZ];
char annotation[SIZ];
+ const char *ch;
if (vevent == NULL) {
return;
}
- /**
+ /*
* If we're looking at a fully encapsulated VCALENDAR
* rather than a VEVENT component, attempt to use the first
* relevant VEVENT subcomponent. If there is none, the
ical_dezonify(vevent); /**< Convert everything to UTC */
- /**
+ /*
* Learn the start and end times.
*/
dtstart_p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
dtend_p = icalcomponent_get_first_property(vevent, ICAL_DTEND_PROPERTY);
if (dtend_p != NULL) dtend_t = icalproperty_get_dtend(dtend_p);
- /**
+ /*
* Iterate through attendees.
*/
for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
attendee != NULL;
attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
-
- strcpy(attendee_string, icalproperty_get_attendee(attendee));
- if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
+ ch = icalproperty_get_attendee(attendee);
+ if ((ch != NULL) && !strncasecmp(ch, "MAILTO:", 7)) {
/** screen name or email address */
- strcpy(attendee_string, &attendee_string[7]);
- striplt(attendee_string);
+ safestrncpy(attendee_string, ch + 7, sizeof(attendee_string));
+ string_trim(attendee_string);
check_individual_attendee(attendee_string,
dtstart_t, dtend_t,
}
-
-#endif /* WEBCIT_WITH_CALENDAR_SERVICE */
-
-/** @} */
projects / citadel.git / blobdiff