Add basic year/month/day/hour/minute/second <-> time functions.

3 files changed, 61 insertions, 0 deletions

diff --git a/include/urweb/urweb_cpp.h b/include/urweb/urweb_cpp.h
index 4779b95a..be9f9d16 100644
--- a/include/urweb/urweb_cpp.h
+++ b/include/urweb/urweb_cpp.h
@@ -262,6 +262,13 @@ uw_Basis_int uw_Basis_diffInSeconds(struct uw_context *, uw_Basis_time, uw_Basis
 uw_Basis_int uw_Basis_toSeconds(struct uw_context *, uw_Basis_time);
 uw_Basis_int uw_Basis_diffInMilliseconds(struct uw_context *, uw_Basis_time, uw_Basis_time);
 uw_Basis_int uw_Basis_toMilliseconds(struct uw_context *, uw_Basis_time);
+uw_Basis_time uw_Basis_fromDatetime(struct uw_context *, uw_Basis_int, uw_Basis_int, uw_Basis_int, uw_Basis_int, uw_Basis_int, uw_Basis_int);
+uw_Basis_int uw_Basis_datetimeYear(struct uw_context *, uw_Basis_time);
+uw_Basis_int uw_Basis_datetimeMonth(struct uw_context *, uw_Basis_time);
+uw_Basis_int uw_Basis_datetimeDay(struct uw_context *, uw_Basis_time);
+uw_Basis_int uw_Basis_datetimeHour(struct uw_context *, uw_Basis_time);
+uw_Basis_int uw_Basis_datetimeMinute(struct uw_context *, uw_Basis_time);
+uw_Basis_int uw_Basis_datetimeSecond(struct uw_context *, uw_Basis_time);
 extern const uw_Basis_time uw_Basis_minTime;
 
 void uw_register_transactional(struct uw_context *, void *data, uw_callback commit, uw_callback rollback, uw_callback_with_retry free);
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 4931c97a..804f15b9 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -167,6 +167,15 @@ val diffInMilliseconds : time -> time -> int
 val timef : string -> time -> string (* Uses strftime() format string *)
 val readUtc : string -> option time
 
+(* Takes a year, month, day, hour, minute, second. *)
+val fromDatetime : int -> int -> int -> int -> int -> int -> time
+val datetimeYear : time -> int
+val datetimeMonth : time -> int
+val datetimeDay : time -> int
+val datetimeHour : time -> int
+val datetimeMinute: time -> int
+val datetimeSecond : time -> int
+
 
 (** * Encryption *)
 
diff --git a/src/c/urweb.c b/src/c/urweb.c
index 8bd5ada9..cb71aa15 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -3851,6 +3851,51 @@ uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
   return tm.seconds;
 }
 
+uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
+  struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
+                   .tm_hour = hour, .tm_min = minute, .tm_sec = second };
+  uw_Basis_time r = { timegm(&tm) };
+  return r;
+}
+
+uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_year + 1900;
+}
+
+uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_mon;
+}
+
+uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_mday;
+}
+
+uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_hour;
+}
+
+uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_min;
+}
+
+uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
+  struct tm tm;
+  gmtime_r(&time.seconds, &tm);
+  return tm.tm_sec;
+}
+
+
+
 void *uw_get_global(uw_context ctx, char *name) {
   int i;