11 KiB
11 KiB
Rails API Reference Mappings
Purpose: Maps Rails classes/modules to API documentation URLs
Version: 1.0.0 (supports Rails 6.1 - 8.0)
Active Record Classes
Core Classes
ActiveRecord::Base:
url_path: "ActiveRecord/Base.html"
description: "Base class for all models"
common_methods:
save: "method-i-save"
save!: "method-i-save-21"
update: "method-i-update"
update!: "method-i-update-21"
destroy: "method-i-destroy"
destroy!: "method-i-destroy-21"
reload: "method-i-reload"
persisted?: "method-i-persisted-3F"
new_record?: "method-i-new_record-3F"
ActiveRecord::Relation:
url_path: "ActiveRecord/Relation.html"
description: "Query result collection"
common_methods:
to_a: "method-i-to_a"
each: "method-i-each"
map: "method-i-map"
pluck: "method-i-pluck"
ids: "method-i-ids"
Query Interface
ActiveRecord::QueryMethods:
url_path: "ActiveRecord/QueryMethods.html"
description: "Query building methods"
common_methods:
where: "method-i-where"
not: "method-i-not"
order: "method-i-order"
limit: "method-i-limit"
offset: "method-i-offset"
joins: "method-i-joins"
left_joins: "method-i-left_joins"
includes: "method-i-includes"
eager_load: "method-i-eager_load"
preload: "method-i-preload"
references: "method-i-references"
group: "method-i-group"
having: "method-i-having"
distinct: "method-i-distinct"
select: "method-i-select"
reorder: "method-i-reorder"
reverse_order: "method-i-reverse_order"
Associations
ActiveRecord::Associations::ClassMethods:
url_path: "ActiveRecord/Associations/ClassMethods.html"
description: "Association declarations"
common_methods:
belongs_to: "method-i-belongs_to"
has_one: "method-i-has_one"
has_many: "method-i-has_many"
has_and_belongs_to_many: "method-i-has_and_belongs_to_many"
has_one_attached: "method-i-has_one_attached"
has_many_attached: "method-i-has_many_attached"
Validations
ActiveModel::Validations::ClassMethods:
url_path: "ActiveModel/Validations/ClassMethods.html"
description: "Validation declarations"
common_methods:
validates: "method-i-validates"
validates_each: "method-i-validates_each"
validates_with: "method-i-validates_with"
validate: "method-i-validate"
ActiveModel::Validations::HelperMethods:
url_path: "ActiveModel/Validations/HelperMethods.html"
description: "Built-in validators"
common_methods:
validates_presence_of: "method-i-validates_presence_of"
validates_absence_of: "method-i-validates_absence_of"
validates_length_of: "method-i-validates_length_of"
validates_size_of: "method-i-validates_size_of"
validates_numericality_of: "method-i-validates_numericality_of"
validates_inclusion_of: "method-i-validates_inclusion_of"
validates_exclusion_of: "method-i-validates_exclusion_of"
validates_format_of: "method-i-validates_format_of"
validates_uniqueness_of: "method-i-validates_uniqueness_of"
Callbacks
ActiveRecord::Callbacks:
url_path: "ActiveRecord/Callbacks.html"
description: "Model lifecycle callbacks"
common_methods:
after_initialize: "method-i-after_initialize"
after_find: "method-i-after_find"
before_validation: "method-i-before_validation"
after_validation: "method-i-after_validation"
before_save: "method-i-before_save"
around_save: "method-i-around_save"
after_save: "method-i-after_save"
before_create: "method-i-before_create"
around_create: "method-i-around_create"
after_create: "method-i-after_create"
before_update: "method-i-before_update"
around_update: "method-i-around_update"
after_update: "method-i-after_update"
before_destroy: "method-i-before_destroy"
around_destroy: "method-i-around_destroy"
after_destroy: "method-i-after_destroy"
after_commit: "method-i-after_commit"
after_rollback: "method-i-after_rollback"
Migrations
ActiveRecord::Migration:
url_path: "ActiveRecord/Migration.html"
description: "Database migration base class"
common_methods:
change: "method-i-change"
up: "method-i-up"
down: "method-i-down"
reversible: "method-i-reversible"
ActiveRecord::ConnectionAdapters::SchemaStatements:
url_path: "ActiveRecord/ConnectionAdapters/SchemaStatements.html"
description: "Schema manipulation methods"
common_methods:
create_table: "method-i-create_table"
drop_table: "method-i-drop_table"
rename_table: "method-i-rename_table"
add_column: "method-i-add_column"
remove_column: "method-i-remove_column"
rename_column: "method-i-rename_column"
change_column: "method-i-change_column"
add_index: "method-i-add_index"
remove_index: "method-i-remove_index"
add_foreign_key: "method-i-add_foreign_key"
remove_foreign_key: "method-i-remove_foreign_key"
add_reference: "method-i-add_reference"
remove_reference: "method-i-remove_reference"
Action Controller Classes
Core Classes
ActionController::Base:
url_path: "ActionController/Base.html"
description: "Base controller class"
common_methods:
render: "method-i-render"
redirect_to: "method-i-redirect_to"
head: "method-i-head"
ActionController::API:
url_path: "ActionController/API.html"
description: "API-only controller base"
version_support: "5.0+"
ActionController::Metal:
url_path: "ActionController/Metal.html"
description: "Minimal controller implementation"
Controller Features
ActionController::StrongParameters:
url_path: "ActionController/StrongParameters.html"
description: "Parameter filtering"
common_methods:
params: "method-i-params"
permit: "method-i-permit"
require: "method-i-require"
ActionController::Helpers:
url_path: "ActionController/Helpers.html"
description: "Helper method declarations"
common_methods:
helper_method: "method-i-helper_method"
ActionController::Cookies:
url_path: "ActionController/Cookies.html"
description: "Cookie handling"
common_methods:
cookies: "method-i-cookies"
ActionController::Flash:
url_path: "ActionController/Flash.html"
description: "Flash message handling"
common_methods:
flash: "method-i-flash"
Action View Classes
Core Classes
ActionView::Base:
url_path: "ActionView/Base.html"
description: "View rendering base class"
ActionView::Helpers:
url_path: "ActionView/Helpers.html"
description: "View helper modules"
View Helpers
ActionView::Helpers::FormHelper:
url_path: "ActionView/Helpers/FormHelper.html"
description: "Form building helpers"
common_methods:
form_with: "method-i-form_with"
form_for: "method-i-form_for"
text_field: "method-i-text_field"
text_area: "method-i-text_area"
select: "method-i-select"
check_box: "method-i-check_box"
radio_button: "method-i-radio_button"
ActionView::Helpers::UrlHelper:
url_path: "ActionView/Helpers/UrlHelper.html"
description: "URL generation helpers"
common_methods:
link_to: "method-i-link_to"
button_to: "method-i-button_to"
url_for: "method-i-url_for"
ActionView::Helpers::TagHelper:
url_path: "ActionView/Helpers/TagHelper.html"
description: "HTML tag helpers"
common_methods:
content_tag: "method-i-content_tag"
tag: "method-i-tag"
ActionView::Helpers::AssetTagHelper:
url_path: "ActionView/Helpers/AssetTagHelper.html"
description: "Asset inclusion helpers"
common_methods:
javascript_include_tag: "method-i-javascript_include_tag"
stylesheet_link_tag: "method-i-stylesheet_link_tag"
image_tag: "method-i-image_tag"
Active Support Classes
Core Extensions
ActiveSupport::Concern:
url_path: "ActiveSupport/Concern.html"
description: "Module mixin pattern"
common_methods:
included: "method-i-included"
class_methods: "method-i-class_methods"
ActiveSupport::Callbacks:
url_path: "ActiveSupport/Callbacks.html"
description: "Callback framework"
common_methods:
define_callbacks: "method-i-define_callbacks"
set_callback: "method-i-set_callback"
skip_callback: "method-i-skip_callback"
run_callbacks: "method-i-run_callbacks"
Time & Date
ActiveSupport::TimeWithZone:
url_path: "ActiveSupport/TimeWithZone.html"
description: "Timezone-aware time"
common_methods:
in_time_zone: "method-i-in_time_zone"
utc: "method-i-utc"
local: "method-i-local"
ActiveSupport::Duration:
url_path: "ActiveSupport/Duration.html"
description: "Time duration"
common_methods:
ago: "method-i-ago"
since: "method-i-since"
from_now: "method-i-from_now"
Action Mailer Classes
ActionMailer::Base:
url_path: "ActionMailer/Base.html"
description: "Mailer base class"
common_methods:
mail: "method-i-mail"
deliver_now: "method-i-deliver_now"
deliver_later: "method-i-deliver_later"
Action Cable Classes
ActionCable::Channel::Base:
url_path: "ActionCable/Channel/Base.html"
description: "Cable channel base class"
common_methods:
stream_from: "method-i-stream_from"
stream_for: "method-i-stream_for"
transmit: "method-i-transmit"
ActionCable::Connection::Base:
url_path: "ActionCable/Connection/Base.html"
description: "Cable connection base class"
Active Job Classes
ActiveJob::Base:
url_path: "ActiveJob/Base.html"
description: "Background job base class"
common_methods:
perform_later: "method-i-perform_later"
perform_now: "method-i-perform_now"
set: "method-i-set"
Active Storage Classes
ActiveStorage::Attached::One:
url_path: "ActiveStorage/Attached/One.html"
description: "Single file attachment"
version_support: "5.2+"
common_methods:
attach: "method-i-attach"
attached?: "method-i-attached-3F"
purge: "method-i-purge"
ActiveStorage::Attached::Many:
url_path: "ActiveStorage/Attached/Many.html"
description: "Multiple file attachments"
version_support: "5.2+"
common_methods:
attach: "method-i-attach"
attached?: "method-i-attached-3F"
purge: "method-i-purge"
URL Construction
Pattern: https://api.rubyonrails.org/v{MAJOR.MINOR}/{url_path}#{method_anchor}
Examples:
Class page:
https://api.rubyonrails.org/v7.1/ActiveRecord/Base.html
Instance method:
https://api.rubyonrails.org/v7.1/ActiveRecord/Base.html#method-i-save
Class method:
https://api.rubyonrails.org/v7.1/ActiveRecord/Base.html#method-c-create
Special characters in anchor:
?→-3F!→-21=→-3D
Examples:
persisted?→#method-i-persisted-3Fsave!→#method-i-save-21==→#method-i--3D-3D
Usage in rails-api-lookup
# Pseudocode for API lookup
class_name = "ActiveRecord::Base"
method_name = "save"
mapping = reference[class_name]
version = detect_rails_version() # e.g., "7.1"
anchor = mapping.common_methods[method_name] # e.g., "method-i-save"
url = "https://api.rubyonrails.org/v#{version}/#{mapping.url_path}##{anchor}"
content = WebFetch(url, prompt: "Extract method signature and documentation")
Maintenance
Update frequency: Quarterly or when new Rails version released
Adding new APIs:
- Check official Rails API docs index
- Add mapping with url_path and common_methods
- Test URL accessibility
- Update this file
Version-specific APIs:
- Mark with
version_support - Skill should gracefully handle unavailable APIs for older Rails versions