From 4ba7568909fe620ee9fb99cb6bbe058df8c0061c Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Sun, 19 Jun 2016 17:55:45 +0100
Subject: AvoidDups role

---
 lib/Sietima.pm                |  9 ++++++---
 lib/Sietima/Role/AvoidDups.pm | 26 ++++++++++++++++++++++++++
 lib/Sietima/Role/NoMail.pm    |  8 +++-----
 3 files changed, 35 insertions(+), 8 deletions(-)
 create mode 100644 lib/Sietima/Role/AvoidDups.pm

(limited to 'lib')

diff --git a/lib/Sietima.pm b/lib/Sietima.pm
index 1e463ec..704d4f8 100644
--- a/lib/Sietima.pm
+++ b/lib/Sietima.pm
@@ -54,11 +54,11 @@ sub handle_mail {
     return;
 }
 
-sub addresses_to_send_to {
+sub subscribers_to_send_to {
     state $check = compile(Object,EmailMIME);
     my ($self,$incoming_mail) = $check->(@_);
 
-    return [ map { $_->address } @{$self->subscribers} ];
+    return $self->subscribers;
 }
 
 sub munge_mail {
@@ -68,7 +68,10 @@ sub munge_mail {
     return Sietima::Message->new({
         mail => $incoming_mail,
         from => $self->return_path,
-        to => $self->addresses_to_send_to($incoming_mail),
+        to => [
+            map { $_->address }
+                @{$self->subscribers_to_send_to($incoming_mail)},
+              ],
     });
 }
 
diff --git a/lib/Sietima/Role/AvoidDups.pm b/lib/Sietima/Role/AvoidDups.pm
new file mode 100644
index 0000000..da1af00
--- /dev/null
+++ b/lib/Sietima/Role/AvoidDups.pm
@@ -0,0 +1,26 @@
+package Sietima::Role::AvoidDups;
+use 5.020;
+use Moo::Role;
+use Email::Address;
+use namespace::clean;
+
+around subscribers_to_send_to => sub {
+    my ($orig,$self,$mail) = @_;
+
+    my @already_receiving = map {
+        Email::Address->parse($_)
+      } $mail->header_str('to'),$mail->header_str('cc');
+
+    my %already_receiving = map {
+        $_->address => 1
+    } @already_receiving;
+
+    return [
+        grep {
+            not $already_receiving{$_->address}
+        }
+            @{$self->$orig($mail)},
+    ];
+};
+
+1;
diff --git a/lib/Sietima/Role/NoMail.pm b/lib/Sietima/Role/NoMail.pm
index 233f6b9..a0753b9 100644
--- a/lib/Sietima/Role/NoMail.pm
+++ b/lib/Sietima/Role/NoMail.pm
@@ -3,15 +3,13 @@ use 5.020;
 use Moo::Role;
 use namespace::clean;
 
-around addresses_to_send_to => sub {
+around subscribers_to_send_to => sub {
     my ($orig,$self,@etc) = @_;
 
     return [
-        map { $_->address }
-            grep { $_->prefs->{wants_mail} // 1 }
-            @{$self->subscribers},
+        grep { $_->prefs->{wants_mail} // 1 }
+            @{$self->$orig(@etc)},
     ];
 };
 
 1;
-
-- 
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