Drop Rails 5.2 support

.github/workflows/test.yml

@@ -15,19 +15,13 @@ jobs:
           - v6.1.4
           - v6.0.4
           - 6-0-stable
-          - 5-2-stable
-          - v5.2.4
         ruby:
           - 3.0.2
           - 2.7.4
           - 2.6.7
         exclude:
           - rails:  v7.0.0
             ruby:   2.6.7
-          - rails:  v5.2.4
-            ruby:   3.0.2
-          - rails:  5-2-stable
-            ruby:   3.0.2
     env:
       DB: sqlite3
       RAILS: ${{ matrix.rails }}
@@ -52,19 +46,13 @@ jobs:
           - v6.1.4
           - v6.0.4
           - 6-0-stable
-          - 5-2-stable
-          - v5.2.4
         ruby:
           - 3.0.2
           - 2.7.4
           - 2.6.7
         exclude:
           - rails:  v7.0.0
             ruby:   2.6.7
-          - rails:  v5.2.4
-            ruby:   3.0.2
-          - rails:  5-2-stable
-            ruby:   3.0.2
     env:
       DB: mysql
       RAILS: ${{ matrix.rails }}
@@ -98,19 +86,13 @@ jobs:
           - v6.1.4
           - v6.0.4
           - 6-0-stable
-          - 5-2-stable
-          - v5.2.4
         ruby:
           - 3.0.2
           - 2.7.4
           - 2.6.7
         exclude:
           - rails:  v7.0.0
             ruby:   2.6.7
-          - rails:  v5.2.4
-            ruby:   3.0.2
-          - rails:  5-2-stable
-            ruby:   3.0.2
     env:
       DB: postgres
       RAILS: ${{ matrix.rails }}

CONTRIBUTING.md

@@ -64,7 +64,7 @@ Here's a quick guide:
 2. Create a thoughtfully-named branch for your changes (`git checkout -b my-new-feature`).
 
 3. Install the development dependencies by running `bundle install`.
-   To install rails other than latest (set in Gemfile): `RAILS='5-2-stable' bundle install`
+   To install rails other than latest (set in Gemfile): `RAILS='6-0-stable' bundle install`
 
 4. Begin by running the tests. We only take pull requests with passing tests,
    and it's great to know that you have a clean slate:

README.md

@@ -15,7 +15,7 @@ or controller layer, you're probably not looking for Ransack.
 
 ## Getting started
 
-Ransack is supported for Rails 7.0, 6.x, 5.2 on Ruby 2.6.6 and later.
+Ransack is supported for Rails 7.0, 6.x on Ruby 2.6.6 and later.
 
 In your Gemfile, for the last officially released gem:
 

lib/polyamorous/activerecord_6.0_ruby_2/join_association.rb

@@ -1 +1,20 @@
-require 'polyamorous/activerecord_5.2_ruby_2/join_association'
+module Polyamorous
+  module JoinAssociationExtensions
+    include SwappingReflectionClass
+    def self.prepended(base)
+      base.class_eval { attr_reader :join_type }
+    end
+
+    def initialize(reflection, children, polymorphic_class = nil, join_type = Arel::Nodes::InnerJoin)
+      @join_type = join_type
+      if polymorphic_class && ::ActiveRecord::Base > polymorphic_class
+        swapping_reflection_klass(reflection, polymorphic_class) do |reflection|
+          super(reflection, children)
+          self.reflection.options[:polymorphic] = true
+        end
+      else
+        super(reflection, children)
+      end
+    end
+  end
+end

lib/polyamorous/activerecord_6.0_ruby_2/reflection.rb

@@ -1 +1,11 @@
-require 'polyamorous/activerecord_5.2_ruby_2/reflection'
+module Polyamorous
+  module ReflectionExtensions
+    def join_scope(table, foreign_table, foreign_klass)
+      if respond_to?(:polymorphic?) && polymorphic?
+        super.where!(foreign_table[foreign_type].eq(klass.name))
+      else
+        super
+      end
+    end
+  end
+end

lib/ransack/adapters/active_record/ransack/nodes/condition.rb

@@ -54,7 +54,7 @@ def value_from(predicate)
           if predicate.respond_to?(:value)
             predicate.value # Rails 6.1
           elsif predicate.respond_to?(:val)
-            predicate.val # Rails 5.2, 6.0
+            predicate.val # Rails 6.0
           end
         end
 

ransack.gemspec

@@ -15,8 +15,8 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 2.6'
   s.license     = 'MIT'
 
-  s.add_dependency 'activerecord', '>= 5.2.4'
-  s.add_dependency 'activesupport', '>= 5.2.4'
+  s.add_dependency 'activerecord', '>= 6.0.4'
+  s.add_dependency 'activesupport', '>= 6.0.4'
   s.add_dependency 'i18n'
 
   s.files         = `git ls-files`.split("\n")