From 67f40267355e600de27eeb1a1107add610f17733 Mon Sep 17 00:00:00 2001
From: Andrew <acekane1@gmail.com>
Date: Fri, 23 Mar 2018 02:41:36 -0700
Subject: [PATCH] Added support for Korean [skip ci]

---
 CHANGELOG.md                    |  1 +
 README.md                       |  1 +
 lib/searchkick/index_options.rb | 12 ++++++++++++
 lib/searchkick/query.rb         |  2 +-
 test/language_test.rb           | 10 ++++++++++
 5 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0628d62..500d698 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## 3.0.2 [unreleased]
 
+- Added support for Korean
 - Fixed `Unsupported argument type: Symbol` for async partial reindex
 - Fixed infinite recursion with multi search and misspellings below
 - Do not raise an error when `id` is indexed
diff --git a/README.md b/README.md
index b57d559..a765515 100644
--- a/README.md
+++ b/README.md
@@ -304,6 +304,7 @@ A few languages require plugins:
 
 - `chinese` - [elasticsearch-analysis-ik plugin](https://github.com/medcl/elasticsearch-analysis-ik)
 - `japanese` - [analysis-kuromoji plugin](https://www.elastic.co/guide/en/elasticsearch/plugins/6.2/analysis-kuromoji.html)
+- `korean` - [elasticsearch-analysis-openkoreantext](https://github.com/open-korean-text/elasticsearch-analysis-openkoreantext) [master]
 - `polish` - [analysis-stempel plugin](https://www.elastic.co/guide/en/elasticsearch/plugins/6.2/analysis-stempel.html)
 - `ukrainian` - [analysis-ukrainian plugin](https://www.elastic.co/guide/en/elasticsearch/plugins/6.2/analysis-ukrainian.html)
 
diff --git a/lib/searchkick/index_options.rb b/lib/searchkick/index_options.rb
index a2cdd08..d29d480 100644
--- a/lib/searchkick/index_options.rb
+++ b/lib/searchkick/index_options.rb
@@ -169,6 +169,18 @@ module Searchkick
               type: "kuromoji"
             }
           )
+        when "korean"
+          settings[:analysis][:analyzer].merge!(
+            default_analyzer => {
+              type: "openkoreantext-analyzer"
+            },
+            searchkick_search: {
+              type: "openkoreantext-analyzer"
+            },
+            searchkick_search2: {
+              type: "openkoreantext-analyzer"
+            }
+          )
         when "polish", "ukrainian", "smartcn"
           settings[:analysis][:analyzer].merge!(
             default_analyzer => {
diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index 663145a..0ac2426 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -317,7 +317,7 @@ module Searchkick
               qs << shared_options.merge(analyzer: "searchkick_search")
 
               # searchkick_search and searchkick_search2 are the same for ukrainian
-              unless %w(japanese polish ukrainian).include?(searchkick_options[:language])
+              unless %w(japanese korean polish ukrainian).include?(searchkick_options[:language])
                 qs << shared_options.merge(analyzer: "searchkick_search2")
               end
               exclude_analyzer = "searchkick_search2"
diff --git a/test/language_test.rb b/test/language_test.rb
index 636df8b..951aae2 100644
--- a/test/language_test.rb
+++ b/test/language_test.rb
@@ -38,6 +38,16 @@ class LanguageTest < Minitest::Test
     end
   end
 
+  def test_korean
+    # requires https://github.com/open-korean-text/elasticsearch-analysis-openkoreantext
+    with_options(Song, language: "korean") do
+      store_names ["한국어를 처리하는 예시입니닼ㅋㅋ"], Song
+      assert_language_search "처리", ["한국어를 처리하는 예시입니닼ㅋㅋ"]
+      assert_language_search "한국어", ["한국어를 처리하는 예시입니닼ㅋㅋ"]
+      assert_language_search "를", []
+    end
+  end
+
   def test_polish
     # requires https://www.elastic.co/guide/en/elasticsearch/plugins/6.2/analysis-stempel.html
     with_options(Song, language: "polish") do
--
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