Class: Tramway::Core::ApplicationDecorator

Inherits:
Object
  • Object
show all
Includes:
ActionView::Context, ActionView::Helpers, FontAwesome5::Rails::IconHelper, Concerns::AttributesDecoratorHelper, CopyToClipboardHelper
Defined in:
app/decorators/tramway/core/application_decorator.rb

Constant Summary collapse

RESERVED_WORDS = 
['fields'].freeze

Class Method Summary collapse

Instance Method Summary collapse

Methods included from CopyToClipboardHelper

#copy_to_clipboard

Constructor Details

#initialize(object) ⇒ ApplicationDecorator

Returns a new instance of ApplicationDecorator.



11
12
13
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 11

def initialize(object)
  @object = object
end

Class Method Details

.collections ⇒ Object 



25
26
27
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 25

def collections
  [:all]
end

.decorate(object_or_array) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 41

def decorate(object_or_array)
  if object_or_array.class.superclass == ActiveRecord::Relation
    decorated_array = object_or_array.map do |obj|
      new obj
    end
    Tramway::Core::ApplicationDecoratedCollection.new decorated_array, object_or_array
  else
    new object_or_array
  end
end

.decorate_association(association_name, decorator: nil, as: nil, state_machines: []) ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 52

def decorate_association(association_name, decorator: nil, as: nil, state_machines: [])
  @@decorated_associations ||= []
  @@decorated_associations << association_name

  define_method association_name do
    association = object.class.reflect_on_association(association_name)
    if association.nil?
      error = Tramway::Error.new(plugin: :core, method: :decorate_association, message: "Model #{object.class} does not have association named `#{association_name}`")
      raise error.message
    end
    class_name = if association.polymorphic?
                   object.send(association_name).class
                 else
                   unless association.options[:class_name]
                     error = Tramway::Error.new(plugin: :core, method: :decorate_association, message: "Please, specify `#{association_name}` association class_name in #{object.class} model. For example: `has_many :#{association_name}, class_name: '#{association_name.to_s.singularize.camelize}'`")
                     raise error.message
                   end
                   association.options[:class_name]
                 end
    decorator_class_name = decorator || "#{class_name.to_s.singularize}Decorator".constantize
    if association.class == ActiveRecord::Reflection::HasManyReflection
      return object.send(association_name).active.map do |association_object|
        decorator_class_name.decorate association_object
      end
    end
    if association.class == ActiveRecord::Reflection::BelongsToReflection
      return decorator_class_name.decorate object.send association_name
    end
  end

  define_method "#{association_name}_as" do
    as
  end

  define_method "#{association_name}_state_machines" do
    state_machines
  end
end

.list_attributes ⇒ Object 



29
30
31
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 29

def list_attributes
  []
end

.model_class ⇒ Object 



91
92
93
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 91

def model_class
  to_s.sub(/Decorator$/, '').constantize
end

.model_name ⇒ Object 



95
96
97
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 95

def model_name
  model_class.try(:model_name)
end

.show_associations ⇒ Object 



37
38
39
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 37

def show_associations
  []
end

.show_attributes ⇒ Object 



33
34
35
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 33

def show_attributes
  []
end

Instance Method Details

#associations(associations_type) ⇒ Object 



122
123
124
125
126
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 122

def associations(associations_type)
  object.class.reflect_on_all_associations(associations_type).map do |association|
    association unless association.name == :audits
  end.compact
end

#attributes ⇒ Object 



132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 132

def attributes
  object.attributes.reduce({}) do |hash, attribute|
    if attribute[0].in? RESERVED_WORDS
      error = Tramway::Error.new(
        plugin: :core,
        method: :attributes,
        message: "Method `#{attribute[0]}` is reserved word. Please, create or delegate method in #{self.class.name} with another name."
      )
      raise error.message
    end
    value = try(attribute[0]) ? send(attribute[0]) : object.send(attribute[0])
    if attribute[0].to_s.in? object.class.state_machines.keys.map(&:to_s)
      hash.merge! attribute[0] => state_machine_view(object, attribute[0])
    elsif value.class.in? [ActiveSupport::TimeWithZone, DateTime, Time]
      hash.merge! attribute[0] => datetime_view(attribute[1])
    elsif value.class.superclass == ApplicationUploader
      hash.merge! attribute[0] => image_view(object.send(attribute[0]))
    elsif value.is_a? Enumerize::Value
      hash.merge! attribute[0] => enumerize_view(value)
    else
      hash.merge! attribute[0] => value
    end
  end
end

#link ⇒ Object 



103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 103

def link
  if object.try :file
    object.file.url
  else
    error = Tramway::Error.new(
      plugin: :core,
      method: :link,
      message: "Method `link` uses `file` attribute of the decorated object. If decorated object doesn't contain `file`, you shouldn't use `link` method."
    )
    raise error.message
  end
end

#model ⇒ Object 



118
119
120
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 118

def model
  object
end

#name ⇒ Object 



15
16
17
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 15

def name
  object.try(:name) || object.try(:title) || title
end

#public_path ⇒ Object 



116
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 116

def public_path; end

#title ⇒ Object 



19
20
21
22
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 19

def title
  error = Tramway::Error.new(plugin: :core, method: :title, message: "Please, implement `title` method in a #{self.class} or #{object.class}")
  raise error.message
end

#yes_no(boolean_attr) ⇒ Object 



157
158
159
 
# File 'app/decorators/tramway/core/application_decorator.rb', line 157

def yes_no(boolean_attr)
  boolean_attr.to_s == 'true' ? I18n.t('helpers.yes') : I18n.t('helpers.no')
end