Add lower function to sql query

Author: sleekybadger

lib/detectify/query_builder/sql.rb

@@ -13,11 +13,11 @@ def build
       private
 
       def domain_clause
-        "#{Detectify.config.domain_column} = ?" if need_domain_clause?
+        "LOWER(#{Detectify.config.domain_column}) = ?" if need_domain_clause?
       end
 
       def subdomain_clause
-        "#{Detectify.config.subdomain_column} = ?" if need_subdomain_clause?
+        "LOWER(#{Detectify.config.subdomain_column}) = ?" if need_subdomain_clause?
       end
 
       def or_operator

spec/detectify/query_builder/sql_spec.rb

@@ -9,14 +9,14 @@
         let(:domain) { 'example.com' }
         let(:subdomain) { nil }
 
-        it { is_expected.to eq(['domain = ?', 'example.com']) }
+        it { is_expected.to eq(['LOWER(domain) = ?', 'example.com']) }
       end
 
       context 'with only subdomain' do
         let(:domain) { nil }
         let(:subdomain) { 'example' }
 
-        it { is_expected.to eq(['subdomain = ?', 'example']) }
+        it { is_expected.to eq(['LOWER(subdomain) = ?', 'example']) }
       end
 
       context 'with domain and subdomain' do
@@ -25,7 +25,7 @@
 
         it do
           is_expected.to eq([
-            'domain = ? OR subdomain = ?', 'example.com', 'example'
+            'LOWER(domain) = ? OR LOWER(subdomain) = ?', 'example.com', 'example'
           ])
         end
       end
@@ -38,7 +38,7 @@
         let(:domain) { 'example.com' }
         let(:subdomain) { nil }
 
-        it { is_expected.to eq(['domain = ?', 'example.com']) }
+        it { is_expected.to eq(['LOWER(domain) = ?', 'example.com']) }
       end
 
       context 'with only subdomain' do
@@ -52,7 +52,7 @@
         let(:domain) { 'example.com' }
         let(:subdomain) { 'example' }
 
-        it { is_expected.to eq(['domain = ?', 'example.com']) }
+        it { is_expected.to eq(['LOWER(domain) = ?', 'example.com']) }
       end
 
       after { Detectify.reset_config }
@@ -72,14 +72,14 @@
         let(:domain) { nil }
         let(:subdomain) { 'example' }
 
-        it { is_expected.to eq(['subdomain = ?', 'example']) }
+        it { is_expected.to eq(['LOWER(subdomain) = ?', 'example']) }
       end
 
       context 'with domain and subdomain' do
         let(:domain) { 'example.com' }
         let(:subdomain) { 'example' }
 
-        it { is_expected.to eq(['subdomain = ?', 'example']) }
+        it { is_expected.to eq(['LOWER(subdomain) = ?', 'example']) }
       end
 
       after { Detectify.reset_config }