Basic periodic events support

1 files changed, 64 insertions, 0 deletions

diff --git a/src/periodic.rs b/src/periodic.rs
new file mode 100644
index 0000000..0fa06ef
--- /dev/null
+++ b/src/periodic.rs
@@ -0,0 +1,64 @@
+use std::fmt;
+use std::str::FromStr;
+
+use event::Event;
+use errors::EventError;
+
+#[derive(Debug)]
+pub struct Periodic {
+    pub event: Event,
+    pub freq: Freq,
+    // TODO: until, count, interval, ...
+}
+
+#[derive(Debug)]
+pub enum Freq {
+    Secondly,
+    Minutely,
+    Hourly,
+    Daily,
+    Weekly,
+    Monthly,
+    Yearly,
+}
+
+impl Periodic {
+    pub fn new() -> Self {
+        Self {
+            event: Event::new(),
+            freq: Freq::Secondly,
+        }
+    }
+
+    pub fn set_param(&mut self, param: &str, value: &str) -> Result<(), EventError> {
+        match param {
+            "FREQ" => self.freq = value.parse()?,
+            _ => (),
+        }
+        Ok(())
+    }
+}
+
+impl fmt::Display for Periodic {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:?}: {}", self.freq, self.event)?;
+        Ok(())
+    }
+}
+
+impl FromStr for Freq {
+    type Err = EventError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "SECONDLY" => Ok(Freq::Secondly),
+            "MINUTELY" => Ok(Freq::Minutely),
+            "HOURLY" => Ok(Freq::Hourly),
+            "DAILY" => Ok(Freq::Daily),
+            "WEEKLY" => Ok(Freq::Weekly),
+            "MONTHLY" => Ok(Freq::Monthly),
+            "YEARLY" => Ok(Freq::Yearly),
+            _ => Err(EventError::FreqError),
+        }
+    }
+}