Class: Avo::Resources::Base

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::HasProfilePhoto

#profile_photo

Methods included from Concerns::HasCoverPhoto

#cover_photo

Methods included from Concerns::HasDescription

#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_items, #get_preview_fields, #invalid_fields, #is_empty?, #items, #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.



281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
# File 'lib/avo/resources/base.rb', line 281

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 if params.present?

  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

#recordObject

Returns the value of attribute record.



53
54
55
# File 'lib/avo/resources/base.rb', line 53

def record
  @record
end

#reflectionObject

Returns the value of attribute reflection.



51
52
53
# File 'lib/avo/resources/base.rb', line 51

def reflection
  @reflection
end

#userObject

Returns the value of attribute user.



52
53
54
# File 'lib/avo/resources/base.rb', line 52

def user
  @user
end

#viewObject

Returns the value of attribute view.



50
51
52
# File 'lib/avo/resources/base.rb', line 50

def view
  @view
end

Class Method Details

.action(action_class, arguments: {}) ⇒ Object



111
112
113
# File 'lib/avo/resources/base.rb', line 111

def action(action_class, arguments: {})
  deprecated_dsl_api __method__, "actions"
end

.authorizationObject



140
141
142
# File 'lib/avo/resources/base.rb', line 140

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

.class_nameObject



185
186
187
# File 'lib/avo/resources/base.rb', line 185

def class_name
  @class_name ||= to_s.demodulize
end

.fetch_search(key, record: nil) ⇒ Object



264
265
266
267
# File 'lib/avo/resources/base.rb', line 264

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

.filter(filter_class, arguments: {}) ⇒ Object



115
116
117
# File 'lib/avo/resources/base.rb', line 115

def filter(filter_class, arguments: {})
  deprecated_dsl_api __method__, "filters"
end

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



234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
# File 'lib/avo/resources/base.rb', line 234

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_scopeObject

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

It’s used to apply the authorization feature.



136
137
138
# File 'lib/avo/resources/base.rb', line 136

def find_scope
  authorization.apply_policy model_class
end

.get_available_modelsObject



152
153
154
# File 'lib/avo/resources/base.rb', line 152

def get_available_models
  ApplicationRecord.descendants
end

.get_model_by_name(model_name) ⇒ Object



156
157
158
159
160
# File 'lib/avo/resources/base.rb', line 156

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



166
167
168
169
170
171
172
173
174
175
# File 'lib/avo/resources/base.rb', line 166

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_keyObject

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



181
182
183
# File 'lib/avo/resources/base.rb', line 181

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

.nameObject Also known as: singular_name



202
203
204
# File 'lib/avo/resources/base.rb', line 202

def name
  name_from_translation_key(count: 1, default: 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"


220
221
222
223
224
# File 'lib/avo/resources/base.rb', line 220

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


230
231
232
# File 'lib/avo/resources/base.rb', line 230

def navigation_label
  plural_name.humanize
end

.plural_nameObject



207
208
209
# File 'lib/avo/resources/base.rb', line 207

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

.query_scopeObject

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

It’s used to apply the authorization feature.



126
127
128
129
130
131
# File 'lib/avo/resources/base.rb', line 126

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

.route_keyObject



189
190
191
# File 'lib/avo/resources/base.rb', line 189

def route_key
  class_name.underscore.pluralize
end

.scope(scope_class) ⇒ Object



119
120
121
# File 'lib/avo/resources/base.rb', line 119

def scope(scope_class)
  deprecated_dsl_api __method__, "scopes"
end

.search_queryObject



256
257
258
# File 'lib/avo/resources/base.rb', line 256

def search_query
  search.dig(:query)
end

.search_results_countObject



260
261
262
# File 'lib/avo/resources/base.rb', line 260

def search_results_count
  search.dig(:results_count)
end

.singular_route_keyObject



193
194
195
# File 'lib/avo/resources/base.rb', line 193

def singular_route_key
  route_key.singularize
end

.translation_keyObject



197
198
199
# File 'lib/avo/resources/base.rb', line 197

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

.underscore_nameObject



226
227
228
# File 'lib/avo/resources/base.rb', line 226

def underscore_name
  name.demodulize.underscore
end

.valid_association_name(record, association_name) ⇒ Object



144
145
146
# File 'lib/avo/resources/base.rb', line 144

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



148
149
150
# File 'lib/avo/resources/base.rb', line 148

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

Instance Method Details

#attachment_fieldsObject



474
475
476
477
478
# File 'lib/avo/resources/base.rb', line 474

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

#authorization(user: nil) ⇒ Object



520
521
522
523
# File 'lib/avo/resources/base.rb', line 520

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_typesObject



453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
# File 'lib/avo/resources/base.rb', line 453

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



546
547
548
549
550
551
552
553
554
# File 'lib/avo/resources/base.rb', line 546

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

  if parent_record.present?
    result << parent_record
  end

  result
end

#current_userObject



28
29
30
# File 'lib/avo/resources/base.rb', line 28

def current_user
  Avo::Current.user
end

#custom_componentsObject



642
643
644
645
646
647
648
649
# File 'lib/avo/resources/base.rb', line 642

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

#default_panel_nameObject



411
412
413
414
415
416
417
418
419
420
421
422
# File 'lib/avo/resources/base.rb', line 411

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
    t("avo.create_new_item", item: name.humanize(capitalize: false)).upcase_first
  end
end

#description_attributesObject



626
627
628
629
630
631
632
# File 'lib/avo/resources/base.rb', line 626

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

#detect_fieldsObject



299
300
301
302
303
304
305
306
307
308
309
310
# File 'lib/avo/resources/base.rb', line 299

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



352
353
354
# File 'lib/avo/resources/base.rb', line 352

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

#entity_loader(entity) ⇒ Object



634
635
636
# File 'lib/avo/resources/base.rb', line 634

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

#fetch_cardsObject



342
343
344
345
346
347
348
349
350
# File 'lib/avo/resources/base.rb', line 342

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_fieldsObject



323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
# File 'lib/avo/resources/base.rb', line 323

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_titleObject



438
439
440
441
442
443
444
445
446
447
448
449
450
451
# File 'lib/avo/resources/base.rb', line 438

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



482
483
484
485
486
487
488
489
490
491
# File 'lib/avo/resources/base.rb', line 482

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_hashObject



525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
# File 'lib/avo/resources/base.rb', line 525

def file_hash
  content_to_be_hashed = ""

  resource_path = Rails.root.join("app", "avo", "resources", "#{file_name}.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_name.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_nameObject



542
543
544
# File 'lib/avo/resources/base.rb', line 542

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

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



493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
# File 'lib/avo/resources/base.rb', line 493

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

#form_scopeObject



610
611
612
# File 'lib/avo/resources/base.rb', line 610

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


655
656
657
658
659
# File 'lib/avo/resources/base.rb', line 655

def get_external_link
  return unless record.persisted?

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

#has_record_id?Boolean

Returns:

  • (Boolean)


614
615
616
# File 'lib/avo/resources/base.rb', line 614

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

#hydrateObject



401
402
403
404
405
406
407
408
409
# File 'lib/avo/resources/base.rb', line 401

def hydrate(...)
  super

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

  self
end

#hydrate_model_with_default_valuesObject

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



557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
# File 'lib/avo/resources/base.rb', line 557

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])
          # 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])
        elsif reflection.present? && reflection.foreign_key.present? && field.id.to_s == @params[:via_relation].to_s
          resource = Avo.resource_manager.get_resource_by_model_class params[:via_relation_class]
          record = resource.find_record @params[:via_record_id], params: params
          id_param = reflection.options[:primary_key] || :id

          value = record.send(id_param)
        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_attributeObject



618
619
620
# File 'lib/avo/resources/base.rb', line 618

def id_attribute
  :id
end

#model_classObject

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.



428
429
430
431
432
# File 'lib/avo/resources/base.rb', line 428

def model_class
  record_class = @record&.class

  self.class.model_class record_class: record_class
end

#model_nameObject



594
595
596
# File 'lib/avo/resources/base.rb', line 594

def model_name
  model_class.model_name
end

#record_idObject



622
623
624
# File 'lib/avo/resources/base.rb', line 622

def record_id
  record.send(id_attribute)
end

#record_paramObject



638
639
640
# File 'lib/avo/resources/base.rb', line 638

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

#record_pathObject



602
603
604
# File 'lib/avo/resources/base.rb', line 602

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

#record_titleObject



434
435
436
# File 'lib/avo/resources/base.rb', line 434

def record_title
  fetch_record_title.to_s
end

#records_pathObject



606
607
608
# File 'lib/avo/resources/base.rb', line 606

def records_path
  resources_path(resource: self)
end

#resolve_component(original_component) ⇒ Object



651
652
653
# File 'lib/avo/resources/base.rb', line 651

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)


661
# File 'lib/avo/resources/base.rb', line 661

def resource_type_array? = false

#singular_model_keyObject



598
599
600
# File 'lib/avo/resources/base.rb', line 598

def singular_model_key
  model_class.model_name.singular
end

#sort_by_paramObject



663
664
665
666
667
668
669
670
671
# File 'lib/avo/resources/base.rb', line 663

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)


673
# File 'lib/avo/resources/base.rb', line 673

def sorting_supported? = true

#view_typeObject



675
676
677
678
679
680
681
682
683
684
685
686
687
# File 'lib/avo/resources/base.rb', line 675

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