From 87544cc523491e9618dc7e093349fc6501fdf46b Mon Sep 17 00:00:00 2001
From: Ruben Pollan
Date: Tue, 27 Nov 2018 10:33:01 -0600
Subject: Implement Ord for events

---
 src/calendar.rs |  2 +-
 src/event.rs    | 18 +++++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/calendar.rs b/src/calendar.rs
index a835480..6df2f74 100644
--- a/src/calendar.rs
+++ b/src/calendar.rs
@@ -71,7 +71,7 @@ impl Calendar {
                 .collect();
             events.append(&mut p_events);
         }
-        events.sort_by_key(|k| k.start);
+        events.sort();
         events
     }
 }
diff --git a/src/event.rs b/src/event.rs
index db32b22..b5e9d27 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -1,3 +1,4 @@
+use std::cmp::{Ordering, Ord};
 use std::fmt;
 use std::str::FromStr;
 
@@ -7,7 +8,7 @@ use date::Date;
 use errors::EventError;
 
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq)]
 pub struct Event {
     pub start: Date,
     pub end: End,
@@ -17,14 +18,14 @@ pub struct Event {
     pub status: Status,
 }
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, PartialEq, PartialOrd, Eq)]
 pub enum Status {
     Confirmed,
     Tentative,
     Canceled,
 }
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, PartialEq, PartialOrd, Eq)]
 pub enum End {
     Date(Date),
     Duration(Duration),
@@ -70,6 +71,17 @@ impl fmt::Display for Event {
     }
 }
 
+impl Ord for Event {
+    fn cmp(&self, other: &Self) -> Ordering {
+        let ord = self.start.cmp(&other.start);
+        if ord == Ordering::Equal {
+            self.end_date().cmp(&other.end_date())
+        } else {
+            ord
+        }
+    }
+}
+
 impl FromStr for Status {
     type Err = EventError;
 
-- 
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