From 1cc8cfe0d4b2229e7db216396deb7d752c0a67a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matou=C5=A1=20Volf?= <git@matousvolf.cz>
Date: Mon, 9 Sep 2024 18:49:28 +0200
Subject: [PATCH] feat: implement `Ord` for the subtask model

---
 src/models/subtask.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/models/subtask.rs b/src/models/subtask.rs
index 7aa9e84..ab15e63 100644
--- a/src/models/subtask.rs
+++ b/src/models/subtask.rs
@@ -1,3 +1,4 @@
+use std::cmp::Ordering;
 use crate::models::task::Task;
 use crate::schema::subtasks;
 use chrono::NaiveDateTime;
@@ -48,6 +49,21 @@ impl Subtask {
     }
 }
 
+impl Eq for Subtask {}
+
+impl PartialOrd<Self> for Subtask {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Ord for Subtask {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.is_completed().cmp(&other.is_completed())
+            .then(self.created_at().cmp(&other.created_at()))
+    }
+}
+
 #[derive(Insertable, Serialize, Deserialize, Validate, Clone, Debug)]
 #[diesel(table_name = subtasks)]
 pub struct NewSubtask {