User#indexでユーザーのキーワード検索をできるようにした

app/models/concerns/searchable.rb

@@ -21,16 +21,17 @@ def columns_for_keyword_search(*column_names)
     private
 
     def params_for_keyword_search(searched_values = {})
-      return {} if searched_values[:words].blank?
+      return {} if searched_values[:word].blank?
 
-      groupings = searched_values[:words].map do |word|
+      groupings = searched_values[:word].split(/[[:blank:]]+/).map do |word|
         if word.start_with?('user:')
           create_parameter_for_search_user_id(word.delete_prefix('user:'))
         else
           { _join_column_names => word }
         end
       end
-      { combinator: 'and', groupings: }
+
+      { combinator: 'or', groupings: groupings }
     end
 
     def word_to_groupings(word)

app/models/search_user.rb

@@ -10,9 +10,7 @@ def initialize(word:, users: nil, target: nil, require_retire_user: false)
 
   def search
     validated_search_word = validate_search_word
-    return User.none if validated_search_word.blank?
-
-    searched_user = @users ? @users.search_by_keywords(words: [validated_search_word]) : User.search_by_keywords({ words: [validated_search_word] })
+    searched_user = @users ? @users.merge(User.search_by_keywords(word: validated_search_word)) : User.search_by_keywords(word: validated_search_word)
 
     if @target == 'retired'
       searched_user.unscope(where: :retired_on).retired
@@ -24,11 +22,9 @@ def search
   end
 
   def validate_search_word
-    return '' if @word.nil?
-
     stripped_word = @word.strip
     if stripped_word.match?(/^[\w-]+$/)
-      stripped_word.length >= 3 ? stripped_word : nil
+      stripped_word if stripped_word.length >= 3
     elsif stripped_word.length >= 2
       stripped_word
     end