From db6385f799bbbe97f30cbab1edefab4edf7f77fc Mon Sep 17 00:00:00 2001
From: Bryan Moreno <morenobryan91@gmail.com>
Date: Fri, 22 Sep 2017 15:06:32 -0300
Subject: [PATCH 1/3] Fix the name extraction when empty strings are provided

---
 lib/griddler/email_parser.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/griddler/email_parser.rb b/lib/griddler/email_parser.rb
index 11de6f48..b32dd74a 100644
--- a/lib/griddler/email_parser.rb
+++ b/lib/griddler/email_parser.rb
@@ -65,7 +65,7 @@ def self.extract_email_address(full_address)
 
   def self.extract_name(full_address)
     full_address = full_address.strip
-    name = full_address.split('<').first.strip
+    name = full_address&.split('<')&.first&.strip
     if name.present? && name != full_address
       name
     end

From 765691176934ad9395fb8a169498c6bf9b3527ed Mon Sep 17 00:00:00 2001
From: Bryan Moreno <morenobryan91@gmail.com>
Date: Fri, 22 Sep 2017 15:21:10 -0300
Subject: [PATCH 2/3] Remove unnecessary &'s

---
 lib/griddler/email_parser.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/griddler/email_parser.rb b/lib/griddler/email_parser.rb
index b32dd74a..819a3294 100644
--- a/lib/griddler/email_parser.rb
+++ b/lib/griddler/email_parser.rb
@@ -65,7 +65,7 @@ def self.extract_email_address(full_address)
 
   def self.extract_name(full_address)
     full_address = full_address.strip
-    name = full_address&.split('<')&.first&.strip
+    name = full_address.split('<').first&.strip
     if name.present? && name != full_address
       name
     end

From a23aa2f9000a8d52f8d8c79c7f7046ab0311d8c8 Mon Sep 17 00:00:00 2001
From: Bryan Moreno <morenobryan91@gmail.com>
Date: Fri, 22 Sep 2017 15:46:26 -0300
Subject: [PATCH 3/3] Add specs for the empty names

---
 .ruby-version               |  2 +-
 .travis.yml                 |  1 +
 griddler.gemspec            |  4 ++--
 spec/griddler/email_spec.rb | 17 +++++++++++++++++
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/.ruby-version b/.ruby-version
index b1b25a5f..005119ba 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.2.2
+2.4.1
diff --git a/.travis.yml b/.travis.yml
index 69ffe076..13038f50 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ rvm:
   - 2.0
   - 2.1
   - 2.2
+  - 2.4
 env:
   - "RAILS_BRANCH=4-1-stable"
   - "RAILS_BRANCH=4-2-stable"
diff --git a/griddler.gemspec b/griddler.gemspec
index 227364e6..1a17511c 100644
--- a/griddler.gemspec
+++ b/griddler.gemspec
@@ -10,11 +10,11 @@ Gem::Specification.new do |s|
   s.homepage    = 'http://thoughtbot.com'
   s.summary     = 'SendGrid Parse API client Rails Engine'
 
-  s.required_ruby_version = Gem::Requirement.new(">= 1.9.2")
+  s.required_ruby_version = Gem::Requirement.new(">= 2.4.1")
   s.files = Dir['{app,config,lib}/**/*'] + ['LICENSE', 'Rakefile', 'README.md']
   s.require_paths = %w{app lib}
 
-  s.add_dependency 'rails', '>= 3.2.0'
+  s.add_dependency 'rails', '>= 4.2.0'
   s.add_dependency 'htmlentities'
   s.add_development_dependency 'rspec-rails'
   s.add_development_dependency 'sqlite3'
diff --git a/spec/griddler/email_spec.rb b/spec/griddler/email_spec.rb
index 1e1c7c88..c857cd7f 100644
--- a/spec/griddler/email_spec.rb
+++ b/spec/griddler/email_spec.rb
@@ -582,6 +582,23 @@ def header_from_email(header)
 
   end
 
+  it 'handles empty names' do
+    email = Griddler::Email.new(
+      text: 'hi',
+      to: [' '],
+      from: @full_address
+    )
+    expected = {
+      token: nil,
+      host: nil,
+      email: '',
+      full: ' ',
+      name: nil
+    }
+    expect(email.to).to eq [expected]
+    expect(email.from).to eq @address_components
+  end
+
   it 'returns the BCC email' do
     email = Griddler::Email.new(
         text: 'hi',