From 4a05a947843883998d7e251b73d911a5c688b319 Mon Sep 17 00:00:00 2001
From: Rob Hallam <0504004h@student.gla.ac.uk>
Date: Mon, 16 Sep 2024 00:28:08 +0100
Subject: [PATCH] feat: [Interval] add overlaps() method

Found to be useful when writing tests
---
 pipeline/utils.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pipeline/utils.py b/pipeline/utils.py
index 9a180df..dcc3e98 100644
--- a/pipeline/utils.py
+++ b/pipeline/utils.py
@@ -217,6 +217,18 @@ class Interval():
             self.duration = new_duration
         self.end = self.start + self.duration
 
+    def overlaps(self, other):
+        """Check if this interval overlaps (or touches) with another interval
+
+        This is the case if:
+         - this.start <= other.end <= this.end
+         - this.start <= other.start <= this.end
+         - other.start <= this.end <= other.end
+         - other.start <= this.start <= other.end
+        """
+        return (self.start <= other.end <= self.end) or (self.start <= other.start <= self.end) or \
+                (other.start <= self.end <= other.end) or (other.start <= self.start <= other.end)
+
 class Feature():
     """A feature extracted from a media file ("has a" Interval)