Module: PunditExtra::ResourceAutoload

Extended by:
ActiveSupport::Concern
Defined in:
lib/pundit_extra/resource_autoload.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#authorize_resource ⇒ Object 



58
59
60
61
 
# File 'lib/pundit_extra/resource_autoload.rb', line 58

def authorize_resource
  resource = resource_instance || resource_class
  authorize resource
end

#has_permitted_attributes?(resource, action) ⇒ Boolean

Returns:

  • (Boolean) 


94
95
96
97
98
99
 
# File 'lib/pundit_extra/resource_autoload.rb', line 94

def has_permitted_attributes?(resource, action)
  return true if policy(resource).respond_to? :"permitted_attributes_for_#{action}"
  return true if policy(resource).respond_to? :permitted_attributes

  false
end

#load_resource ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/pundit_extra/resource_autoload.rb', line 28

def load_resource
  scope = resource_class
  action = params[:action]
  varname = resource_name

  if action == 'index'
    varname = controller_name
    resource = policy_scope resource_class

  elsif action == 'new'
    resource = scope.new

  elsif action == 'create'
    resource = scope.new
    resource.attributes = resource_attributes resource, action

  elsif action == 'update'
    resource = scope.find params[:id]
    resource.attributes = resource_attributes resource, action

  elsif params[:id]
    resource = scope.find params[:id]

  else
    resource = nil
  end

  instance_variable_set :"@#{varname}", resource
end

#resource_attributes(resource, action) ⇒ Object 



81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/pundit_extra/resource_autoload.rb', line 81

def resource_attributes(resource, action)
  if has_permitted_attributes? resource, action
    return permitted_attributes resource
  end

  candidates = ["#{action}_params", "#{resource_name}_params"]
  candidates.each do |candidate|
    return send(candidate) if respond_to? candidate, true
  end

  {}
end

#resource_class ⇒ Object 



73
74
75
 
# File 'lib/pundit_extra/resource_autoload.rb', line 73

def resource_class
  resource_name.classify.constantize
end

#resource_instance ⇒ Object 



77
78
79
 
# File 'lib/pundit_extra/resource_autoload.rb', line 77

def resource_instance
  instance_variable_get :"@#{resource_name}"
end

#resource_name ⇒ Object 



69
70
71
 
# File 'lib/pundit_extra/resource_autoload.rb', line 69

def resource_name
  controller_name.singularize
end

#skip_authorization_and_scope ⇒ Object 



63
64
65
66
67
 
# File 'lib/pundit_extra/resource_autoload.rb', line 63

def skip_authorization_and_scope
  action = params[:action]
  skip_policy_scope if action == 'index'
  skip_authorization
end