Add helper trait for generating instances of Dtend/start/stampwriteabletmpcreate-dtstartendstamp

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/icalendar.rs b/src/icalendar.rs
index c49e193..66933f9 100644
--- a/src/icalendar.rs
+++ b/src/icalendar.rs
@@ -164,6 +164,11 @@ pub trait AsDateTime {
 }
 
 #[cfg(feature = "timeconversions")]
+pub trait FromDateTime : Sized {
+    fn from_datetime(NaiveDateTime) -> Self;
+}
+
+#[cfg(feature = "timeconversions")]
 impl AsDateTime for Dtend {
 
     fn as_datetime(&self) -> Result<Time> {
@@ -178,6 +183,13 @@ impl AsDateTime for Dtend {
 }
 
 #[cfg(feature = "timeconversions")]
+impl FromDateTime for Dtend {
+    fn from_datetime(ndt: NaiveDateTime) -> Self {
+        Dtend(ndt.format(DATE_TIME_FMT).to_string(), BTreeMap::default())
+    }
+}
+
+#[cfg(feature = "timeconversions")]
 impl AsDateTime for Dtstart {
 
     fn as_datetime(&self) -> Result<Time> {
@@ -192,6 +204,13 @@ impl AsDateTime for Dtstart {
 }
 
 #[cfg(feature = "timeconversions")]
+impl FromDateTime for Dtstart {
+    fn from_datetime(ndt: NaiveDateTime) -> Self {
+        Dtstart(ndt.format(DATE_TIME_FMT).to_string(), BTreeMap::default())
+    }
+}
+
+#[cfg(feature = "timeconversions")]
 impl AsDateTime for Dtstamp {
 
     fn as_datetime(&self) -> Result<Time> {
@@ -205,6 +224,13 @@ impl AsDateTime for Dtstamp {
 
 }
 
+#[cfg(feature = "timeconversions")]
+impl FromDateTime for Dtstamp {
+    fn from_datetime(ndt: NaiveDateTime) -> Self {
+        Dtstamp(ndt.format(DATE_TIME_FMT).to_string(), BTreeMap::default())
+    }
+}
+
 #[derive(Clone, Debug)]
 pub struct EventBuilder(Component);