ICAL: implement server backend for conflict handling.

[citadel.git] / webcit / ical_subst.c

diff --git a/webcit/ical_subst.c b/webcit/ical_subst.c
index ffacf41f471a3016e5dd818b45d14cdbd24614c0..bd44e42b96fea2efc126a8c9038b99876c894398 100644 (file)
--- a/webcit/ical_subst.c
+++ b/webcit/ical_subst.c
@@ -21,6 +21,7 @@ CtxType CTX_ICALPROPERTY = CTX_NONE;
 CtxType CTX_ICALMETHOD = CTX_NONE;
 CtxType CTX_ICALTIME = CTX_NONE;
 CtxType CTX_ICALATTENDEE = CTX_NONE;
+CtxType CTX_ICALCONFLICT = CTX_NONE;
 #if 0
 void SortPregetMatter(HashList *Cals)
 {
@@ -377,10 +378,104 @@ int cond_ICalIsMethod(StrBuf *Target, WCTemplputParams *TP)
 }
 
 
+typedef struct CalendarConflict
+{
+       long is_update;
+       long existing_msgnum;
+       StrBuf *conflict_event_uid;
+       StrBuf *conflict_event_summary;
+}CalendarConflict;
+void DeleteConflict(void *vConflict)
+{
+       CalendarConflict *c = (CalendarConflict *) vConflict;
+
+       FreeStrBuf(&c->conflict_event_uid);
+       FreeStrBuf(&c->conflict_event_summary);
+       free(c);
+}
+HashList *iterate_FindConflict(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBuf *Line;
+       HashList *Conflicts = NULL;
+       CalendarConflict *Conflict;
+       wc_mime_attachment *Mime = (wc_mime_attachment *) CTX(CTX_MIME_ATACH);
+
+       serv_printf("ICAL conflicts|%ld|%s|", Mime->msgnum, ChrPtr(Mime->PartNum));
+
+       Line = NewStrBuf();
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, NULL) == 1)
+       {
+               const char *Pos = NULL;
+               int Done = 0;
+               int n = 0;
+               Conflicts = NewHash(1, Flathash);
+               while(!Done && (StrBuf_ServGetln(Line) >= 0) )
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000")) 
+                       {
+                               Done = 1;
+                       }
+                       else {
+                               Conflict = (CalendarConflict *) malloc(sizeof(CalendarConflict *));
+                               Conflict->conflict_event_uid = NewStrBufPlain(NULL, StrLength(Line));
+                               Conflict->conflict_event_summary = NewStrBufPlain(NULL, StrLength(Line));
+
+                               Conflict->existing_msgnum = StrBufExtractNext_long(Line, &Pos, '|');
+                               StrBufSkip_NTokenS(Line, &Pos, '|', 1);
+                               StrBufExtract_NextToken(Conflict->conflict_event_uid, Line, &Pos, '|');
+                               StrBufExtract_NextToken(Conflict->conflict_event_summary, Line, &Pos, '|');
+                               Conflict->is_update = StrBufExtractNext_long(Line, &Pos, '|');
+
+                               Put(Conflicts, IKEY(n), Conflict, DeleteConflict);
+                               n++;
+                               Pos = NULL;
+                       }
+       }
+       syslog(9, "...done.\n");
+       return Conflicts;
+}
+
+
+
+void tmplput_ConflictEventMsgID(StrBuf *Target, WCTemplputParams *TP)
+{
+       CalendarConflict *C = (CalendarConflict *) CTX(CTX_ICALCONFLICT);
+       char buf[sizeof(long) * 16];
+
+       snprintf(buf, sizeof(buf), "%ld", C->existing_msgnum);
+       StrBufAppendTemplateStr(Target, TP, buf, 0);
+}
+void tmplput_ConflictEUID(StrBuf *Target, WCTemplputParams *TP)
+{
+       CalendarConflict *C = (CalendarConflict *) CTX(CTX_ICALCONFLICT);
+       
+       StrBufAppendTemplate(Target, TP, C->conflict_event_uid, 0);
+}
+void tmplput_ConflictSummary(StrBuf *Target, WCTemplputParams *TP)
+{
+       CalendarConflict *C = (CalendarConflict *) CTX(CTX_ICALCONFLICT);
 
-void tmplput_Conflict(StrBuf *Target, WCTemplputParams *TP)
-{}
+       StrBufAppendTemplate(Target, TP, C->conflict_event_summary, 0);
+}
+int cond_ConflictIsUpdate(StrBuf *Target, WCTemplputParams *TP)
+{
+       CalendarConflict *C = (CalendarConflict *) CTX(CTX_ICALCONFLICT);
+       return C->is_update;
+}
 
+typedef struct CalAttendee
+{
+       StrBuf *AttendeeStr;
+       icalparameter_partstat partstat;
+} CalAttendee;
+
+void DeleteAtt(void *vAtt)
+{
+       CalAttendee *att = (CalAttendee*) vAtt;
+       FreeStrBuf(&att->AttendeeStr);
+       free(vAtt);
+}
 
 HashList *iterate_get_ical_attendees(StrBuf *Target, WCTemplputParams *TP)
 {
@@ -461,7 +556,14 @@ InitModule_ICAL_SUBST
        RegisterConditional("COND:ICAL:PROPERTY", 1, cond_ICalHaveItem, CTX_ICAL);
        RegisterConditional("COND:ICAL:IS:A", 1, cond_ICalIsA, CTX_ICAL);
 
-       RegisterNamespace("ICAL:SERV:CHECK:CONFLICT", 0, 0, tmplput_Conflict, NULL, CTX_ICAL);
+
+        RegisterIterator("ICAL:CONFLICT", 0, NULL, iterate_FindConflict, 
+                         NULL, NULL, CTX_MIME_ATACH, CTX_ICALCONFLICT, IT_NOFLAG);
+       RegisterNamespace("ICAL:CONFLICT:MSGID", 0, 1, tmplput_ConflictEventMsgID, NULL, CTX_ICALCONFLICT);
+       RegisterNamespace("ICAL:CONFLICT:EUID", 0, 1, tmplput_ConflictEUID, NULL, CTX_ICALCONFLICT);
+       RegisterNamespace("ICAL:CONFLICT:SUMMARY", 0, 1, tmplput_ConflictSummary, NULL, CTX_ICALCONFLICT);
+       RegisterConditional("ICAL:CONFLICT:IS:UPDATE", 0, cond_ConflictIsUpdate, CTX_ICALCONFLICT);
+
 
        RegisterCTX(CTX_ICALATTENDEE);
         RegisterIterator("ICAL:ATTENDEES", 0, NULL, iterate_get_ical_attendees, 
@@ -494,4 +596,25 @@ ServerShutdownModule_ICAL
 
 
 
+/*
+                       if (is_update) {
+                               snprintf(conflict_message, sizeof conflict_message,
+                                        _("This is an update of '%s' which is already in your calendar."), conflict_name);
+                       }
+                       else {
+                               snprintf(conflict_message, sizeof conflict_message,
+                                        _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
+                       }
 
+                       StrBufAppendPrintf(Target, "<dt>%s",
+                                          (is_update ?
+                                           _("Update:") :
+                                           _("CONFLICT:")
+                                                  )
+                               );
+                       StrBufAppendPrintf(Target, "</dt><dd>");
+                       StrEscAppend(Target, NULL, conflict_message, 0, 0);
+                       StrBufAppendPrintf(Target, "</dd>\n");
+                       }
+               }
+/*/