Attribute accessors hash likely

.rubocop.yml

@@ -12,6 +12,9 @@ Style/SingleLineMethods:
 Style/StringLiterals:
   EnforcedStyle: single_quotes
 
+Rails/Delegate:
+  Enabled: false
+
 AllCops:
   NewCops: enable
   TargetRubyVersion: 2.7

README.md

@@ -10,9 +10,24 @@ gem 'active_dry_form'
 
 ### Under the hood ActiveDryForm uses [dry-validation](https://dry-rb.org/gems/dry-validation), [dry-monads](https://dry-rb.org/gems/dry-monads)
 
+#### Initialize form
 ```ruby
-form = ProductForm.new(record: Product.find(1), params: { product: { title: 'n', price: 120 } })
+ProductForm.new(params: { title: 'n', price: '120' })
+ProductForm.new(params: { product: { title: 'n', price: '120' } })
+ProductForm.new(record: Product.find(params[:id]), params:)
+```
+
+#### Attribute accessors
+```ruby
+form.title # => 'n'
+form.price # => '120'
+form.price = '119' # => '119'
+form[:price] # => '119'
+form[:price] = '121' # => '121'
+```
 
+#### Methods
+```ruby
 form.validate # => checks field validity
 form.validator # => #<Dry::Validation::Result{:title=>"n", :price=>120, errors={:title=>["minimum length 2"]}...>
 form.valid? # => false
@@ -21,13 +36,14 @@ form.errors # => {:title=>["minimum length 2"]}
 form.base_errors = []
 form.errors_full_messages # => ['Cannot be less than 2 words']
 form.record # => #<Product:0x00007f05c27106c8 id: 1, title: 'name', price: 100, description: 'product'>
+# form.data - is hash, casted to types, after validate
 form.data # => {:title=>"n", :price=>120}
 form.data[:price] # => 120
-form.price # => '120'
-form.title # => 'n'
 form.update # Failure(:invalid_form)
 ```
 
+
+
 Methods `form.update` and `form.create` return [Result monad](https://dry-rb.org/gems/dry-monads/1.3/result/)
 
 ```ruby

lib/active_dry_form/base_form.rb

@@ -140,6 +140,14 @@ def self.wrap(object)
       form
     end
 
+    def [](k)
+      attributes[k]
+    end
+
+    def []=(k, v)
+      attributes[k] = _deep_transform_values_in_params!(v)
+    end
+
     def self.define_methods
       const_set :NESTED_FORM_KEYS, []
 
@@ -148,10 +156,6 @@ def self.define_methods
           attributes[key] = _deep_transform_values_in_params!(v)
         end
 
-        define_method :'[]=' do |k, v|
-          attributes[k] = _deep_transform_values_in_params!(v)
-        end
-
         sub_klass =
           if value[:properties] || value.dig(:items, :properties)
             Class.new(BaseForm).tap do |klass|

spec/active_dry_form_spec.rb

@@ -29,6 +29,13 @@
       expect(form.name).to eq 'Vasya'
     end
 
+    it 'attribute accessors' do
+      form = UserForm.new(params: { name: 'Vasya' })
+      expect(form[:name]).to eq 'Vasya'
+      expect { form[:second_name] = 'Petrov' }.to change(form, :second_name).to('Petrov')
+      expect(form[:second_name]).to eq 'Petrov'
+    end
+
     it 'set hash with unknown key' do
       described_class.config.strict_param_keys = false