Class: Avo::Fields::BelongsToField

Inherits:
Field
  • Object
show all
Defined in:
lib/avo/app/fields/belongs_to.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, #fill_field, #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) ⇒ BelongsToField

Returns a new instance of BelongsToField.



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# File 'lib/avo/app/fields/belongs_to.rb', line 7

def initialize(name, **args, &block)
  @defaults = {
    component: 'belongs-to-field',
    placeholder: "Choose #{name.downcase}",
  }

  @searchable = args[:searchable] == true ? true : false
  @relation_method = name.to_s.parameterize.underscore

  super(name, **args, &block)
end

Instance Attribute Details

#relation_method ⇒ Object

Returns the value of attribute relation_method.



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# File 'lib/avo/app/fields/belongs_to.rb', line 5

def relation_method
  @relation_method
end

#searchable ⇒ Object

Returns the value of attribute searchable.



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# File 'lib/avo/app/fields/belongs_to.rb', line 4

def searchable
  @searchable
end

Instance Method Details

#foreign_key(model) ⇒ Object 



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# File 'lib/avo/app/fields/belongs_to.rb', line 57

def foreign_key(model)
  if model.class == Class
    model.reflections[@relation_method].foreign_key
  else
    model.class.reflections[@relation_method].foreign_key
  end
end

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



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# File 'lib/avo/app/fields/belongs_to.rb', line 19

def hydrate_field(fields, model, resource, view)
  return fields if model_or_class(model) == 'class'

  fields[:searchable] = @searchable
  fields[:is_relation] = true
  fields[:database_id] = foreign_key model
  target_resource = App.get_resources.find { |r| r.class == "Avo::Resources::#{name}".safe_constantize }

  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) if relation_model.present?
    fields[:database_value] = relation_model[:id] if relation_model.present?
    fields[:link] = Avo::Resources::Resource.show_path(relation_model)
  end

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

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

  fields[:resource_name_plural] = target_resource.resource_name_plural

  fields
end