Class: Avo::Resources::Base

Inherits:
Object
  • Object
show all
Extended by:
ActiveSupport::DescendantsTracker
Includes:
ActionView::Helpers::UrlHelper, Concerns::AbstractResource, Concerns::CanReplaceItems, Concerns::HasAvatar, Concerns::HasControls, Concerns::HasCover, Concerns::HasDescription, Concerns::HasDiscreetInformation, Concerns::HasFieldDiscovery, Concerns::HasHelpers, Concerns::HasItems, Concerns::HasResourceStimulusControllers, Concerns::Hydration, Concerns::ModelClassConstantized, Concerns::Pagination, Concerns::RowControlsConfiguration, Concerns::SafeCall
Defined in:
lib/avo/resources/base.rb

Direct Known Subclasses

BaseResource, ArrayResource

Constant Summary collapse

VIEW_METHODS_MAPPING = 
{
  index: [:index, :display],
  show: [:show, :display],
  edit: [:edit, :form],
  update: [:edit, :form],
  new: [:new, :form],
  create: [:new, :form]
}

Constants included from Concerns::HasFieldDiscovery

Concerns::HasFieldDiscovery::COLUMN_NAMES_TO_IGNORE

Instance Attribute Summary collapse

Attributes included from Concerns::HasItems

#items_holder

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Concerns::SafeCall

#safe_call

Methods included from Concerns::RowControlsConfiguration

#controls_placement, #render_row_controls_on_the_left?, #render_row_controls_on_the_right?, #row_controls_classes, #row_controls_configurations

Methods included from Concerns::HasDiscreetInformation

#discreet_information

Methods included from Concerns::Pagination

#apply_pagination, #pagination_type

Methods included from Concerns::HasHelpers

#helpers

Methods included from Concerns::HasAvatar

#avatar, #initials

Methods included from Concerns::HasCover

#cover

Methods included from Concerns::HasDescription

#description, #discreet_description

Methods included from Concerns::HasResourceStimulusControllers

#add_stimulus_attributes_for, #get_stimulus_controllers, #stimulus_data_attributes

Methods included from Concerns::HasControls

#render_edit_controls, #render_index_controls, #render_row_controls, #render_show_controls

Methods included from Concerns::CanReplaceItems

#with_new_items

Methods included from Concerns::HasItems

#fields, #get_field, #get_field_definitions, #get_fields, #get_preview_fields, #invalid_fields, #is_empty?, #items, #items_with_standalone_fields_wrapped_in_cards, #only_fields, #tab_groups, #visible_items

Methods included from Concerns::HasFieldDiscovery

#discover_associations, #discover_columns, #model_db_columns

Constructor Details

#initialize(record: nil, view: nil, user: nil, params: nil) ⇒ Base

Returns a new instance of Base.



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# File 'lib/avo/resources/base.rb', line 314

def initialize(record: nil, view: nil, user: nil, params: nil)
  @view = Avo::ViewInquirer.new(view) if view.present?
  @user = user if user.present?
  @params = params.presence || {}

  if record.present?
    @record = record

    hydrate_model_with_default_values if @view&.new?
  end

  unless self.class.model_class.present?
    if model_class.present? && model_class.respond_to?(:base_class)
      self.class.model_class = model_class.base_class
    end
  end
end

Instance Attribute Details

#record ⇒ Object

Returns the value of attribute record.



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# File 'lib/avo/resources/base.rb', line 54

def record
  @record
end

#reflection ⇒ Object

Returns the value of attribute reflection.



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# File 'lib/avo/resources/base.rb', line 52

def reflection
  @reflection
end

#user ⇒ Object

Returns the value of attribute user.



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# File 'lib/avo/resources/base.rb', line 53

def user
  @user
end

#view ⇒ Object

Returns the value of attribute view.



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# File 'lib/avo/resources/base.rb', line 51

def view
  @view
end

Class Method Details

.authorization ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 137

def authorization
  Avo::Services::AuthorizationService.new Avo::Current.user, model_class, policy_class: authorization_policy
end

.class_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 182

def class_name
  @class_name ||= to_s.delete_prefix("Avo::Resources::")
end

.controller_path ⇒ Object

Same as route_path — resolves to the correct namespaced controller inside isolate_namespace



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# File 'lib/avo/resources/base.rb', line 209

def controller_path
  route_path
end

.demodulized_class_name ⇒ Object

Last segment only — used for display, translation keys, and initials



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# File 'lib/avo/resources/base.rb', line 187

def demodulized_class_name
  class_name.demodulize
end

.fetch_search(key, record: nil) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 289

def fetch_search(key, record: nil)
  # self.class.fetch_search
  Avo::ExecutionContext.new(target: search[key], resource: self, record: record).handle
end

.find_record(id, query: nil, params: nil) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 263

def find_record(id, query: nil, params: nil)
  query ||= find_scope # If no record is given we'll use the default

  if single_includes.present?
    query = query.includes(*single_includes)
  end

  if single_attachments.present?
    single_attachments.each do |attachment|
      query = query.send(:"with_attached_#{attachment}")
    end
  end

  Avo::ExecutionContext.new(
    target: find_record_method,
    query: query,
    id: id,
    params: params,
    model_class:
  ).handle
end

.find_scope ⇒ Object

This resolves the scope when finding records (not "where" queries)

It's used to apply the authorization feature.



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# File 'lib/avo/resources/base.rb', line 133

def find_scope
  authorization.apply_policy model_class
end

.get_available_models ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 149

def get_available_models
  ApplicationRecord.descendants
end

.get_model_by_name(model_name) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 153

def get_model_by_name(model_name)
  get_available_models.find do |m|
    m.to_s == model_name.to_s
  end
end

.initials ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 223

def initials
  name.to_s.split(" ").map(&:first).join("").first(2).upcase
end

.model_class(record_class: nil) ⇒ Object

Returns the model class being used for this resource.

The Resource instance has a model_class method too so it can support the STI use cases where we figure out the model class from the record



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# File 'lib/avo/resources/base.rb', line 163

def model_class(record_class: nil)
  # get the model class off of the static property
  return constantized_model_class if @model_class.present?

  # get the model class off of the record for STI models
  return record_class if record_class.present?

  # generate a model class
  class_name.safe_constantize
end

.model_key ⇒ Object

This is used as the model class ID We use this instead of the route_key to maintain compatibility with uncountable models With uncountable models route key appends an _index suffix (Fish->fish_index) Example: User->users, MediaItem->media_items, Fish->fish



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# File 'lib/avo/resources/base.rb', line 178

def model_key
  @model_key ||= model_class.model_name.plural
end

.name ⇒ Object Also known as: singular_name 



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# File 'lib/avo/resources/base.rb', line 218

def name
  name_from_translation_key(count: 1, default: demodulized_class_name.underscore.humanize)
end

.name_from_translation_key(count:, default:) ⇒ Object

Get the name from the translation_key and fallback to default It can raise I18n::InvalidPluralizationData when using only resource_translation without pluralization keys like: one, two or other key Example:

en:

avo:
resource_translations:
  product:
    save: "Save product"


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# File 'lib/avo/resources/base.rb', line 240

def name_from_translation_key(count:, default:)
  t(translation_key, count:, default:)
rescue I18n::InvalidPluralizationData
  default
end

.navigation_label ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 259

def navigation_label
  plural_name
end

.plural_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 227

def plural_name
  name_from_translation_key(count: 2, default: name.pluralize)
end

.query_scope ⇒ Object

This resolves the scope when doing "where" queries (not find queries)

It's used to apply the authorization feature.



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# File 'lib/avo/resources/base.rb', line 123

def query_scope
  authorization.apply_policy Avo::ExecutionContext.new(
    target: index_query,
    query: model_class
  ).handle
end

.route_key ⇒ Object

Underscore-joined Rails resource identifier: "accounts_invoices", "users"



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# File 'lib/avo/resources/base.rb', line 200

def route_key
  route_path.tr("/", "_")
end

.route_path ⇒ Object

Slash-separated URL slug: "accounts/invoices", "users"



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# File 'lib/avo/resources/base.rb', line 192

def route_path
  parts = class_name.split("::")
  parts.map!(&:underscore)
  parts[-1] = parts[-1].pluralize
  parts.join("/")
end

.search_query ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 285

def search_query
  search.dig(:query)
end

.sentence_name ⇒ Object

The name as it should read inside a sentence, e.g. "Create new payment method". A resolved translation is used verbatim; only the generated fallback is lowercased.



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# File 'lib/avo/resources/base.rb', line 248

def sentence_name
  name_from_translation_key(
    count: 1,
    default: demodulized_class_name.underscore.humanize(capitalize: false)
  )
end

.singular_route_key ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 204

def singular_route_key
  route_key.singularize
end

.translation_key ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 213

def translation_key
  custom_translation_key || "avo.resource_translations.#{class_name.underscore}"
end

.underscore_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 255

def underscore_name
  name.demodulize.underscore
end

.valid_association_name(record, association_name) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 141

def valid_association_name(record, association_name)
  association_name if record.class.reflect_on_association(association_name).present?
end

.valid_attachment_name(record, association_name) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 145

def valid_attachment_name(record, association_name)
  association_name if record.class.reflect_on_attachment(association_name).present?
end

Instance Method Details

#attachment_fields ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 571

def attachment_fields
  get_field_definitions.select do |field|
    [Avo::Fields::FileField, Avo::Fields::FilesField].include? field.class
  end
end

#authorization(user: nil) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 617

def authorization(user: nil)
  current_user = user || Avo::Current.user
  Avo::Services::AuthorizationService.new(current_user, record || model_class, policy_class: authorization_policy)
end

#available_view_types ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 550

def available_view_types
  @available_view_types ||= begin
    if self.class.view_types.present?
      return Array(
        Avo::ExecutionContext.new(
          target: self.class.view_types,
          resource: self,
          record: record
        ).handle
      )
    end

    view_types = [:table]

    view_types << :grid if self.class.grid_view.present?
    view_types << :map if map_view.present?

    view_types
  end
end

#cache_hash(parent_record) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 644

def cache_hash(parent_record)
  result = [record, file_hash]

  if parent_record.present?
    result << parent_record
  end

  result
end

#current_user ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 28

def current_user
  Avo::Current.user
end

#custom_components ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 740

def custom_components
  @custom_components ||= Avo::ExecutionContext.new(
    target: components,
    resource: self,
    record: @record,
    view: @view
  ).handle.with_indifferent_access
end

#default_panel_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 486

def default_panel_name
  return @params[:related_name].capitalize if @params.present? && @params[:related_name].present?

  case @view.to_sym
  when :show
    record_title
  when :edit
    record_title
  when :new
    # upcase_first, not humanize: locales like de put the item first
    # ("%{item} hinzufügen"), so the sentence still needs its initial cased
    # while the interpolated name stays exactly as translated.
    t("avo.create_new_item", item: self.class.sentence_name).upcase_first
  end
end

#description_attributes ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 724

def description_attributes
  {
    view: view,
    resource: self,
    record: record
  }
end

#detect_fields ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 332

def detect_fields
  self.items_holder = Avo::Resources::Items::Holder.new(parent: self)

  # Used in testing to replace items
  if temporary_items.present?
    instance_eval(&temporary_items)
  else
    fetch_fields
  end

  self
end

#divider(**kwargs) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 419

def divider(**kwargs)
  entity_loader(:action).use({class: Divider, **kwargs}.compact)
end

#entity_loader(entity) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 732

def entity_loader(entity)
  instance_variable_get(:"@#{entity.to_s.pluralize}_loader")
end

#fetch_cards ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 409

def fetch_cards
  possible_methods_for_view = VIEW_METHODS_MAPPING[view.to_sym]

  possible_methods_for_view&.each do |method_for_view|
    return send(:"#{method_for_view}_cards") if respond_to?(:"#{method_for_view}_cards")
  end

  cards
end

#fetch_fields ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 390

def fetch_fields
  if view.preview?
    [:fields, :index_fields, :show_fields, :display_fields].each do |fields_method|
      send(fields_method) if respond_to?(fields_method)
    end

    return
  end

  possible_methods_for_view = VIEW_METHODS_MAPPING[view.to_sym]

  # Safe navigation operator is used because the view can be "destroy"
  possible_methods_for_view&.each do |method_for_view|
    return send(:"#{method_for_view}_fields") if respond_to?(:"#{method_for_view}_fields")
  end

  fields
end

#fetch_record_icon ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 535

def fetch_record_icon
  return icon if @record.nil?

  # Get the icon from the record if icon is not set
  return @record.try(:icon) if icon.nil?

  # If the icon is a symbol, get the value from the record else execute the block/string
  case icon
  when Symbol
    @record.send icon
  when Proc
    Avo::ExecutionContext.new(target: icon, resource: self, record: @record).handle
  end
end

#fetch_record_title ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 516

def fetch_record_title
  return name if @record.nil?

  # Get the title from the record if title is not set, try to get the name, title or label, or fallback to the to_param
  return @record.try(:name) || @record.try(:title) || @record.try(:label) || @record.to_param if title.nil?

  # If the title is a symbol, get the value from the record else execute the block/string
  case title
  when Symbol
    @record.send title
  when Proc
    Avo::ExecutionContext.new(target: title, resource: self, record: @record).handle
  end
end

#fields_by_database_id(resource: self) ⇒ Object

Map the received params to their actual fields 'resource' argument is used on avo-advanced, don't remove



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# File 'lib/avo/resources/base.rb', line 579

def fields_by_database_id(resource: self)
  resource.get_field_definitions
    .reject do |field|
      field.computed
    end
    .map do |field|
      [field.database_id.to_s, field]
    end
    .to_h
end

#file_hash ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 622

def file_hash
  content_to_be_hashed = ""

  file_base = self.class.class_name.underscore
  resource_path = Rails.root.join("app", "avo", "resources", "#{file_base}.rb").to_s
  if File.file? resource_path
    content_to_be_hashed += File.read(resource_path)
  end

  # policy file hash
  policy_path = Rails.root.join("app", "policies", "#{file_base.gsub("_resource", "")}_policy.rb").to_s
  if File.file? policy_path
    content_to_be_hashed += File.read(policy_path)
  end

  Digest::MD5.hexdigest(content_to_be_hashed)
end

#file_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 640

def file_name
  @file_name ||= self.class.underscore_name.tr(" ", "_")
end

#fill_record(record, permitted_params, extra_params: [], fields: nil) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 590

def fill_record(record, permitted_params, extra_params: [], fields: nil)
  # Write the field values
  permitted_params.each do |key, value|
    field = if fields.present?
      fields.find { |f| f.id == key.to_sym }
    else
      fields_by_database_id[key]
    end

    next unless field.present?

    record = field.fill_field record, key, value, permitted_params
  end

  # Write the user configured extra params to the record
  if extra_params.present?
    # Pick only the extra params
    # params at this point are already permitted, only need the keys to access them
    extra_attributes = permitted_params.slice(*flatten_keys(extra_params))

    # Let Rails fill in the rest of the params
    record.assign_attributes extra_attributes
  end

  safe_call(:fill_nested_records, record:, permitted_params:) || record
end

#find_action(action_id) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 468

def find_action(action_id)
  actions = get_actions + Array(safe_call(:get_actions_from_custom_controls))

  actions
    .uniq { |action| action[:class].to_s }
    .find { |action| action[:class].to_s == action_id.to_s }
end

#form_scope ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 708

def form_scope
  model_class.base_class.to_s.underscore.downcase
end

#get_external_link ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 753

def get_external_link
  return if record.nil?
  # Skip only on the "create" form views where there's no saved record to
  # link to yet. Avoid `record.persisted?` here: non-ActiveRecord records
  # (e.g. API-backed resources) report `persisted? => false` and would
  # never render an external link.
  return if view&.new? || view&.create?

  Avo::ExecutionContext.new(target: external_link, resource: self, record: record).handle
end

#get_items ⇒ Object

Renderable items for the resource view. Injects a header if none is defined and, when the user hasn't taken control by declaring at least one panel, wraps standalone field groups in a Panel + Card so they render with the expected chrome at the top level.



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# File 'lib/avo/resources/base.rb', line 349

def get_items
  grouped_items = visible_items.slice_when do |prev, curr|
    is_standalone?(prev) != is_standalone?(curr)
  end.to_a.map do |group|
    {elements: group, is_standalone: is_standalone?(group.first)}
  end

  if items.none? { |item| item.is_header? }
    header = Avo::Resources::Items::Header.new
    hydrate_item header
    grouped_items.unshift({elements: [header], is_standalone: false})
  end

  if items.none? { |item| item.is_panel? }
    grouped_items.select { |group| group[:is_standalone] }.each do |group|
      calculated_panel = Avo::Resources::Items::Panel.new
      hydrate_item calculated_panel

      card = Avo::Resources::Items::Card.new
      hydrate_item card
      card.items_holder.items = group[:elements]
      calculated_panel.items_holder.items = [card]

      group[:elements] = calculated_panel
    end
  end

  grouped_items.flat_map { |group| group[:elements] }
end

#has_record_id? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/avo/resources/base.rb', line 712

def has_record_id?
  record.present? && record_id.present?
end

#hydrate ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 476

def hydrate(...)
  super

  if @record.present?
    hydrate_model_with_default_values if @view&.new?
  end

  self
end

#hydrate_model_with_default_values ⇒ Object

We will not overwrite any attributes that come pre-filled in the record.



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# File 'lib/avo/resources/base.rb', line 655

def hydrate_model_with_default_values
  default_values = get_fields
    .select do |field|
      !field.computed && !field.is_a?(Avo::Fields::HeadingField)
    end
    .map do |field|
      value = field.value

      if field.type == "belongs_to"

        reflection = @record.class.reflect_on_association(@params[:via_relation]) if @params[:via_relation].present?

        if field.polymorphic_as.present? && field.types.map(&:to_s).include?(@params[:via_relation_class]) && @params[:via_record_id].present?
          # set the value to the actual record
          via_resource = Avo.resource_manager.get_resource_by_model_class(@params[:via_relation_class])
          value = via_resource.find_record(@params[:via_record_id]) if via_resource.present?
        elsif reflection.present? && reflection.foreign_key.present? && field.id.to_s == @params[:via_relation].to_s && @params[:via_record_id].present?
          resource = Avo.resource_manager.get_resource_by_model_class params[:via_relation_class]
          record = resource.find_record @params[:via_record_id], params: params if resource.present?
          id_param = reflection.options[:primary_key] || :id

          value = record.send(id_param) if record.present?
        end
      end

      [field, value]
    end
    .to_h
    .select do |_, value|
      value.present?
    end

  default_values.each do |field, value|
    field.assign_value record: @record, value: value
  end
end

#id_attribute ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 716

def id_attribute
  :id
end

#index_view_frame ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 310

def index_view_frame
  "#{model_key}_index"
end

#index_view_lazy_loading? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/avo/resources/base.rb', line 306

def index_view_lazy_loading?
  self.class.index_view_loading.to_s == "lazy"
end

#model_class ⇒ Object

Returns the model class being used for this resource.

We use the class method as a fallback but we pass it the record too so it can support the STI use cases where we figure out the model class from that record.



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# File 'lib/avo/resources/base.rb', line 506

def model_class
  record_class = @record&.class

  self.class.model_class record_class: record_class
end

#model_name ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 692

def model_name
  model_class.model_name
end

#record_icon ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 531

def record_icon
  fetch_record_icon.to_s
end

#record_id ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 720

def record_id
  record.send(id_attribute)
end

#record_param ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 736

def record_param
  @record_param ||= @record.persisted? ? @record.to_param : nil
end

#record_path ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 700

def record_path
  resource_path(record: record, resource: self)
end

#record_title ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 512

def record_title
  fetch_record_title.to_s
end

#records_path ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 704

def records_path
  resources_path(resource: self)
end

#resolve_component(original_component) ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 749

def resolve_component(original_component)
  custom_components.dig(original_component.to_s)&.to_s&.safe_constantize || original_component
end

#resource_type_array? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/avo/resources/base.rb', line 764

def resource_type_array? = false

#singular_model_key ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 696

def singular_model_key
  model_class.model_name.singular
end

#sort_by_param ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 766

def sort_by_param
  available_columns = model_class.column_names

  if available_columns.include?(default_sort_column.to_s)
    default_sort_column
  elsif available_columns.include?("created_at")
    :created_at
  end
end

#sorting_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/avo/resources/base.rb', line 776

def sorting_supported? = true

#view_type ⇒ Object 



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# File 'lib/avo/resources/base.rb', line 778

def view_type
  @view_type ||= if @params[:view_type].present?
    Avo::ViewInquirer.new(@params[:view_type])
  elsif available_view_types.size == 1
    Avo::ViewInquirer.new(available_view_types.first)
  else
    Avo::ViewInquirer.new(Avo::ExecutionContext.new(
      target: default_view_type || Avo.configuration.default_view_type,
      resource: self,
      view: @view
    ).handle)
  end
end