Class: Avo::Fields::HasOneField

Inherits:
Field
  • Object
show all
Defined in:
lib/avo/app/fields/has_one.rb

Instance Attribute Summary collapse

Attributes inherited from Field

#block, #component, #computable, #default, #format_using, #help, #id, #is_array_param, #is_object_param, #name, #null_values, #nullable, #placeholder, #readonly, #required, #sortable, #updatable

Attributes included from FieldExtensions::VisibleOnDifferentViews

#show_on_create, #show_on_edit, #show_on_index, #show_on_show

Instance Method Summary collapse

Methods inherited from Field

#database_id, #fetch_for_action, #fetch_for_resource, #has_own_panel?, #resolve_attribute

Methods included from FieldExtensions::HasFieldName

#field_name, #field_name_attribute, #get_field_name

Methods included from FieldExtensions::VisibleOnDifferentViews

#except_on, #hide_on, #only_on, #show_on

Constructor Details

#initialize(name, **args, &block) ⇒ HasOneField

Returns a new instance of HasOneField.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/avo/app/fields/has_one.rb', line 6

def initialize(name, **args, &block)
  @defaults = {
    updatable: true,
    component: 'has-one-field',
  }

  super(name, **args, &block)

  hide_on :create

  @placeholder = 'Choose an option'

  @relation_method = name.to_s.parameterize.underscore
end

Instance Attribute Details

#relation_method ⇒ Object

Returns the value of attribute relation_method.



4
5
6
 
# File 'lib/avo/app/fields/has_one.rb', line 4

def relation_method
  @relation_method
end

Instance Method Details

#fill_field(model, key, value) ⇒ Object 



56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/avo/app/fields/has_one.rb', line 56

def fill_field(model, key, value)
  if value.blank?
    related_model = nil
  else
    related_class = model.class.reflections[name.to_s.downcase].class_name
    related_model = related_class.safe_constantize.find value
  end

  model.public_send("#{key}=", related_model)

  model
end

#get_related_resource(resource) ⇒ Object 



51
52
53
54
 
# File 'lib/avo/app/fields/has_one.rb', line 51

def get_related_resource(resource)
  class_name = resource.model.reflections[name.to_s.downcase].class_name
  App.get_resources.find { |r| r.class == "Avo::Resources::#{class_name}".safe_constantize }
end

#hydrate_field(fields, model, resource, view) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/avo/app/fields/has_one.rb', line 21

def hydrate_field(fields, model, resource, view)
  target_resource = get_related_resource(resource)
  fields[:relation_class] = target_resource.class.to_s

  relation_model = model.public_send(@relation_method)

  if relation_model.present?
    relation_model = model.public_send(@relation_method)
    fields[:value] = relation_model.send(target_resource.title)
    fields[:database_value] = relation_model[:id]
    fields[:link] = Avo::Resources::Resource.show_path(relation_model)
  end

  # Populate the options on show and edit
  fields[:options] = []

  if [:edit, :create].include? view
    fields[:options] = target_resource.model.all.map do |model|
      {
        value: model.id,
        label: model.send(target_resource.title)
      }
    end
  end

  fields[:resource_name_plural] = target_resource.resource_name_plural

  fields
end