From 034e4ac4030675709e185a819de4d63104d8e014 Mon Sep 17 00:00:00 2001
From: Manos Pitsidianakis <manos@pitsidianak.is>
Date: Wed, 8 May 2024 20:42:29 +0300
Subject: [PATCH] melib: add Envelope::recipient_any method

Signed-off-by: Manos Pitsidianakis <manos@pitsidianak.is>
---
 melib/src/email.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/melib/src/email.rs b/melib/src/email.rs
index bcd0eeee..90b78ab5 100644
--- a/melib/src/email.rs
+++ b/melib/src/email.rs
@@ -859,6 +859,15 @@ impl Envelope {
     pub fn tags_mut(&mut self) -> &mut IndexSet<TagHash> {
         &mut self.tags
     }
+
+    /// Returns `true` if `is_recipient` address is included in To:, Cc: or Bcc: headers.
+    pub fn recipient_any(&self, is_recipient: &Address) -> bool {
+        self.to()
+            .iter()
+            .chain(self.cc().iter())
+            .chain(self.bcc().iter())
+            .any(|a| a == is_recipient)
+    }
 }
 
 impl Eq for Envelope {}