Module: Studio

Defined in:
lib/studio/sidebar_sections.rb,
lib/studio.rb,
lib/studio/s3.rb,
lib/studio/cable.rb,
lib/studio/email.rb,
lib/studio/redis.rb,
lib/studio/engine.rb,
lib/studio/version.rb,
lib/studio/link_token.rb,
app/models/studio/link.rb,
lib/studio/color_scale.rb,
lib/studio/email_smoke.rb,
lib/studio/image_cache.rb,
lib/studio/ip_locations.rb,
lib/studio/log_rotation.rb,
lib/studio/ui_primitives.rb,
lib/studio/mail_transport.rb,
lib/studio/theme_resolver.rb,
app/models/studio/enumeral.rb,
app/services/studio/banner.rb,
lib/studio/link_resolution.rb,
app/models/studio/model_page.rb,
lib/studio/environment_banner.rb,
lib/studio/username_generator.rb,
app/models/studio/email_setting.rb,
app/services/studio/email_image.rb,
app/models/studio/email_delivery.rb,
app/helpers/studio/at_time_helper.rb,
app/services/studio/email_catalog.rb,
app/jobs/studio/email_delivery_job.rb,
app/mailers/studio/newsletter_mailer.rb,
app/controllers/studio/links_controller.rb,
app/controllers/studio/emails_controller.rb,
app/controllers/studio/models_controller.rb,
app/models/concerns/studio/broadcastable.rb,
app/services/studio/email_preview_target.rb,
app/models/concerns/studio/board/rankable.rb,
app/controllers/concerns/studio/admin_models.rb,
app/controllers/studio/onboarding_controller.rb,
app/helpers/studio/admin_models_table_helper.rb,
app/controllers/concerns/studio/impersonation.rb,
app/controllers/concerns/studio/error_handling.rb,
app/controllers/studio/email_images_controller.rb,
app/controllers/studio/local_emails_controller.rb,
app/controllers/studio/local_reviews_controller.rb,
app/controllers/concerns/studio/link_consumption.rb,
app/controllers/concerns/studio/board/reorderable.rb,
app/controllers/concerns/studio/magic_link_issuing.rb

Overview

Resolves Studio.sidebar_sections — the host's declared link-sidebar data — for a given view context. Pure Ruby (no Rails dependency) so the unit suite exercises the resolution rules without booting the dummy app.

Declared sections may be a static Array or a callable (receives the view context) for dynamic data: route helpers, logged_in? walls, model-backed link lists. Each section normalizes to symbol keys:

{ title: "Site", admin: true, links: [
{ label: "Dashboard", href: "/admin", emoji: "📊",
  hover_emoji: "🔬", desc: "Users + logs", target: "_blank" } ] }

Sections flagged admin: true resolve only for admin? viewers, so the trigger and panel stay invisible to everyone else even when the host declares nothing but admin links.

Defined Under Namespace

Modules: AdminModels, AdminModelsTableHelper, AtTimeHelper, Board, Broadcastable, Cable, ColorScale, Email, EmailCatalog, EmailImage, EnvironmentBanner, ErrorHandling, ImageCache, Impersonation, IpLocations, LinkConsumption, LinkResolution, LinkToken, LogRotation, MagicLinkIssuing, Redis, S3, SidebarSections, UiPrimitives Classes: Banner, EmailDelivery, EmailDeliveryJob, EmailImagesController, EmailPreviewTarget, EmailSetting, EmailSmoke, EmailsController, Engine, Enumeral, Link, LinksController, LocalEmailsController, LocalReviewsController, MailTransport, ModelPage, ModelsController, NewsletterMailer, OnboardingController, S3ConfigError, ThemeResolver, UserContractError, UsernameGenerator

Constant Summary collapse

FIRST_NAME_SKIP_SESSION_KEY =

Session key recording "asked, and they said not now". Session-scoped DELIBERATELY: skipping means not now, not never — the field stays blank, so a later session may ask again. That is the whole reason this is not a column.

:onboarding_skipped_first_name
REQUIRED_USER_INSTANCE_METHODS =

Only methods that consumers must explicitly define are checked here. Column accessors (#email, #name, #role) are NOT validated because ActiveRecord defines them lazily — they don't appear on .instance_methods until the schema is introspected (typically first record access). Missing columns are caught by the User table schema, not by this validator.

%i[admin? display_name].freeze
REQUIRED_USER_CLASS_METHODS = 
%i[find_by].freeze
PASSWORD_USER_INSTANCE_METHODS =

#authenticate is only required when email+password sign-in is enabled. Passwordless apps (the default) never call it.

%i[authenticate].freeze
VERSION = 
"0.47.0"

Class Method Summary collapse

Class Method Details

.auth_method?(method) ⇒ Boolean

True when the given sign-in method is enabled for this app.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 374

def self.auth_method?(method)
  auth_methods.include?(method.to_sym)
end

.configure {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:

  • _self (Studio) —

    the object that the method was called on



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# File 'lib/studio.rb', line 339

def self.configure
  yield self
end

.env_truthy?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 548

def self.env_truthy?(value)
  %w[1 true yes on].include?(value.to_s.strip.downcase)
end

.env_value(env, key) ⇒ Object 



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# File 'lib/studio.rb', line 368

def self.env_value(env, key)
  value = env[key]
  value if value && !value.to_s.strip.empty?
end

.environment_banner_message(rails_env: rails_env_name, extra: []) ⇒ Object 



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# File 'lib/studio.rb', line 452

def self.environment_banner_message(rails_env: rails_env_name, extra: [])
  EnvironmentBanner.message(rails_env: rails_env, qa_environment: qa_environment?, extra: extra)
end

.feature?(name) ⇒ Boolean

True when the given capability feature is enabled for this app. Mirrors auth_method? — apps opt in via config.features in their initializer (see the Studio.features accessor). Tolerates String or Symbol entries and any Enumerable (Array or Set), so feature?("web3") and feature?(:web3) agree.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 382

def self.feature?(name)
  features.any? { |f| f.to_sym == name.to_sym }
end

.first_name_outstanding?(user, session = {}) ⇒ Boolean

The shared rule for "does this account still owe us a first name?" — the one piece of onboarding logic every app agrees on. Hosts compose it into their own flow rather than re-deriving it (turf's OnboardingFlow calls straight through).

Tolerates a host whose users table has no first_name column: an app that has not run the migration yet is simply never asked, instead of raising on every signed-in request.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 189

def self.first_name_outstanding?(user, session = {})
  return false if user.blank?
  return false unless user.respond_to?(:first_name)
  return false if session.present? && session[FIRST_NAME_SKIP_SESSION_KEY]

  user.first_name.blank?
end

.local_email_capture? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 429

def self.local_email_capture?
  return false if defined?(Rails) && Rails.respond_to?(:env) && Rails.env.production?
  return !!local_email_capture unless local_email_capture.nil?

  env_truthy?(ENV["LOCAL_EMAIL_CAPTURE"]) || env_truthy?(ENV["AGENT_WORKTREE"])
end

.local_inbox_reachable?(request_local:) ⇒ Boolean

Whether the local email inbox is actually REACHABLE for this request, which is the only honest reason to render a link to it. Deliberately the same gate the controller enforces (local_tool_enabled?), so the banner can never advertise a page that answers 404 — QA gets a status chip instead.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 460

def self.local_inbox_reachable?(request_local:)
  local_tool_enabled?(request_local: request_local)
end

.local_tool_enabled?(request_local:) ⇒ Boolean

The floor every developer-desk tool sits on: the local email inbox (Studio::LocalEmailsController) and the local-review mint (Studio::LocalReviewsController). Both hand out sign-in material without authenticating anyone, so both are OFF in production and OFF for any request that did not come from the loopback interface. One spelling, so a tool added later cannot quietly ship a weaker gate. Pass request.local? in.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 423

def self.local_tool_enabled?(request_local:)
  return false if defined?(Rails) && Rails.respond_to?(:env) && Rails.env.production?

  !!request_local
end

.logo_for(title) ⇒ Object

Find a logo from theme_logos by title, with fallback chain:

  1. Exact title match
  2. "Navbar Logo" fallback
  3. First logo in the list


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# File 'lib/studio.rb', line 533

def self.logo_for(title)
  logos = theme_logos.map { |l| l.is_a?(Hash) ? l : { file: l, title: l } }
  entry = logos.find { |l| l[:title] == title }
  entry ||= logos.find { |l| l[:title] == "Navbar Logo" }
  entry ||= logos.first
  entry ? "/#{entry[:file]}" : nil
end

.magic_link_store=(value) ⇒ Object

to_s.to_sym, not to_sym: this runs from an initializer, and nil or an Integer would raise NoMethodError — swallowing the explanation below with a message that says nothing about what to do. A blank falls through to the raise instead, so the operator reads the actual instruction.

Raises:

  • (ArgumentError) 


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# File 'lib/studio.rb', line 109

def self.magic_link_store=(value)
  return if value.to_s.to_sym == :database

  raise ArgumentError,
        "Studio.magic_link_store = #{value.inspect} is retired (studio-engine 0.31.0). " \
        "Magic links are Studio::Link rows served at /l/<token>. Delete this line from " \
        "config/initializers/studio.rb, then install the table with " \
        "`bin/rails studio_engine:install:migrations && bin/rails db:migrate` — in that " \
        "order, because this raise fires while the initializer loads and no rake task can " \
        "boot until the line is gone."
end

.magic_link_via_l_route? ⇒ Boolean

True when the emailed/inbox magic-link URL is the short /l/ — the standard. False means this app draws its own token route instead and owns the matching consume: turf-monster keeps /magic_link/ because /l is already its landing-page namespace. Either way the TOKEN is the same short Studio::Link token; only the path in front of it differs.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 413

def self.magic_link_via_l_route?
  draw_link_routes
end

.mailer_from_for_transport(env: ENV, ses_from:, resend_from: nil) ⇒ Object 



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# File 'lib/studio.rb', line 343

def self.mailer_from_for_transport(env: ENV, ses_from:, resend_from: nil)
  if ses_transport_ready?(env)
    env_value(env, "MAILER_FROM") || ses_from
  else
    env_value(env, "RESEND_MAILER_FROM") || resend_from || resend_mailer_from
  end
end

.marketing_from_for_transport(env: ENV, ses_from:, resend_from: nil) ⇒ Object 



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# File 'lib/studio.rb', line 351

def self.marketing_from_for_transport(env: ENV, ses_from:, resend_from: nil)
  if ses_transport_ready?(env)
    env_value(env, "MARKETING_MAILER_FROM") || ses_from
  else
    env_value(env, "RESEND_MARKETING_FROM") ||
      env_value(env, "RESEND_MAILER_FROM") ||
      resend_from ||
      resend_mailer_from
  end
end

.password_login_available? ⇒ Boolean

True when the engine login should render a PASSWORD field/form: passwords are enabled (:password in auth_methods) AND the host User model actually supports them (responds to authenticate — i.e. has_secure_password). Both are required, and the second is the belt-and-suspenders: without it, a passwordless app (User with no authenticate) rendered the hardcoded password field and 500'd on submit via user.authenticate — the whole fleet having moved off passwords, this made the engine default wrong for every consumer. The User check is defensive of a mis-set auth_methods; the contract validation normally guarantees it (validate_user_contract! requires PASSWORD_USER_INSTANCE_METHODS iff auth_method?(:password)).

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 394

def self.
  auth_method?(:password) && user_supports_password?
end

.qa_environment? ⇒ Boolean

True for a stable QA app: Rails-production, but a non-production review target that must identify itself as one. Keyed off QA_ENV, the signal the release conductor already sets on every QA app.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 444

def self.qa_environment?
  EnvironmentBanner.qa_environment?
end

.rails_env_name ⇒ Object 



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# File 'lib/studio.rb', line 464

def self.rails_env_name
  return "development" unless defined?(Rails) && Rails.respond_to?(:env)

  Rails.env.to_s
end

.record_ip_location!(user, ip:, country: nil, region: nil, city: nil, at: nil) ⇒ Object

Record a place this account has been seen from, if it is a place we have not seen it from before. Returns true when something was actually written.

NEW LOCATIONS ONLY, and that is the design rather than a shortcut: this is called from the request path, so refreshing a counter on every hit would mean a database write per request for no analytic gain. The first sign-in from a place writes; the next thousand do not. A host wanting last-seen/count refresh can call Studio::IpLocations.push directly on its own cadence.

The host resolves the location — turf-monster already has Geocoder wired in ApplicationController#detect_geo_state — and passes whatever it got. Pass only an IP and the IP is what gets deduped on.

Tolerates an app that has not run the migration (no ip_locations column): it records nothing rather than raising on a request path.



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# File 'lib/studio.rb', line 212

def self.record_ip_location!(user, ip:, country: nil, region: nil, city: nil, at: nil)
  return false if user.blank?
  return false unless user.respond_to?(:ip_locations)

  current = user.ip_locations
  return false if IpLocations.seen?(current, ip: ip, country: country, region: region, city: city)

  updated = IpLocations.push(current, ip: ip, country: country, region: region,
                                      city: city, at: at)
  return false if updated == IpLocations.normalize(current)

  # update_columns, not update!: analytics must never block a request, and a
  # validation failure elsewhere on the record is not this write's business.
  user.update_columns(ip_locations: updated)
  true
end

.routes(router) ⇒ Object 



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# File 'lib/studio.rb', line 552

def self.routes(router)
  router.instance_exec do
    get  "login",  to: "sessions#new"
    post "login",  to: "sessions#create"
    post "sso_continue", to: "sessions#sso_continue"
    get  "sso_login",    to: "sessions#sso_login"
    get  "logout", to: "sessions#destroy"
    get  "signup", to: "registrations#new"
    post "signup", to: "registrations#create"
    get  "auth/:provider/callback", to: "omniauth_callbacks#create"
    get  "auth/failure", to: "omniauth_callbacks#failure"

    # Developer-desk tools. Drawn outside production, and each controller
    # re-checks Studio.local_tool_enabled? per request (loopback only) — the
    # route being absent is the outer gate, not the only one.
    unless defined?(Rails) && Rails.env.production?
      get "_studio/local_emails", to: "studio/local_emails#index", as: :studio_local_emails
      get "_studio/local_review", to: "studio/local_reviews#show",  as: :studio_local_review
    end

    # Passwordless email (magic link) — the REQUEST half only. Helper:
    # magic_link_request_path (POST an email address, get a link mailed).
    #
    # The token-bearing half moved to /l/<token> below (0.31.0). There is one
    # token format now — a short Studio::Link row — and one place that burns
    # it, so the old /magic_link/:token confirm+consume pair would have been a
    # second door onto the same lock.
    if Studio.draw_auth_routes && Studio.auth_method?(:magic_link)
      post "magic_link", to: "magic_links#create", as: :magic_link_request
    end

    # Unified short-token links — /l/<token> for magic sign-in links + referral
    # links (Studio::Link). Studio::LinksController dispatches by kind: a
    # magic_link renders the scanner-safe confirm interstitial then POSTs to
    # consume; a referral captures attribution + redirects. Helpers: link_path
    # / link_url(token:) and link_consume_path. Drawn for every consumer
    # (including draw_auth_routes=false apps) unless draw_link_routes is off.
    if Studio.draw_link_routes
      get  "l/:token", to: "studio/links#show",    as: :link,
           constraints: { token: %r{[^/]+} }
      post "l/:token", to: "studio/links#consume", as: :link_consume,
           constraints: { token: %r{[^/]+} }
    end

    # Solana / Phantom wallet sign-in (nonce challenge + signature verify).
    # The browser posts to these literal paths from the shared Connect-Wallet
    # flow; app-specific surfaces (mobile deep-link callback, account-linking,
    # OAuth popup) stay in the consuming app's routes.
    if Studio.draw_auth_routes && Studio.auth_method?(:wallet)
      get  "auth/solana/nonce",  to: "solana_sessions#nonce",  as: :solana_nonce
      post "auth/solana/verify", to: "solana_sessions#verify", as: :solana_verify
    end

    resources :error_logs, only: [:index, :show]

    # Admin
    get   "admin/theme",            to: "theme_settings#edit",       as: :admin_theme
    patch "admin/theme",            to: "theme_settings#update",     as: :admin_theme_update
    post  "admin/theme/regenerate", to: "theme_settings#regenerate", as: :admin_theme_regenerate
    get   "admin/schema",           to: "schema#index",              as: :admin_schema
    # The living style guide. Canonical at /admin/style (StyleController#index);
    # /admin/design_system redirects here but KEEPS its admin_design_system_path
    # helper so a shipped host sidebar link on the old helper still resolves.
    get   "admin/style",            to: "style#index",               as: :admin_style
    get   "admin/design_system",    to: redirect("/admin/style"),    as: :admin_design_system

    # The standard transactional-email page. Canonical at /admin/emails
    # (Studio::EmailsController): index lists every registered email with its
    # live banner and whether that banner is inherited or app-owned; update
    # stores this app's own override; destroy drops it back to the inherited
    # default. Surfaced from each app's admin sidebar.
    #
    # /admin/email_images redirects here but KEEPS its admin_email_images_path
    # helper, so a shipped host sidebar link on the old helper still resolves
    # (same treatment as /admin/design_system -> /admin/style).
    # OPT-IN, and it has to be. turf-monster ALREADY owns /admin/emails —
    # `namespace :admin { get "emails", as: :emails }` (its EmailCatalog
    # manager) — which claims the SAME path and the SAME helper names,
    # admin_emails_path and admin_email_path. Drawing these unconditionally
    # raises `ArgumentError: Invalid route name, already in use: 'admin_emails'`
    # while turf-monster's own routes.rb is loading, which takes down its
    # ENTIRE route set (every admin_*_path in the app goes undefined) — not a
    # shadowed page, a dead app. Confirmed on consumer CI, PR #86.
    #
    # A host cannot opt out of something that breaks it before its config is
    # read, and consumer CI runs each consumer's `main` — so default-on cannot
    # be fixed from inside the engine. Default-off, and each app's adoption
    # task turns it on. Flip the default once no consumer's main owns the name.
    #
    # This gates only the PAGE. The registry and the two-layer image resolution
    # are always on, and the engine's own UserMailer already calls
    # Studio::EmailImage.resolved_url — so an app is branded on day one whether
    # or not it draws the page.
    if Studio.draw_admin_emails_routes
      get    "admin/emails",          to: "studio/emails#index", as: :admin_emails
      # /raw is drawn BEFORE /:key so "raw" is never captured as a key.
      get    "admin/emails/:key/raw", to: "studio/emails#raw",   as: :admin_email_raw,
             constraints: { key: /[a-z0-9_]+/ }
      get    "admin/emails/:key",     to: "studio/emails#show",  as: :admin_email,
             constraints: { key: /[a-z0-9_]+/ }
      # Same path, same helper (admin_email_path) — a named route only needs
      # to be declared once per name, and these share the show route's URL.
      patch  "admin/emails/:key",     to: "studio/emails#update",
             constraints: { key: /[a-z0-9_]+/ }
      delete "admin/emails/:key",     to: "studio/emails#destroy",
             constraints: { key: /[a-z0-9_]+/ }
      # Operator-tunable per-email settings (the banner scrim today). Separate
      # from #update, which takes an image upload.
      patch  "admin/emails/:key/settings", to: "studio/emails#settings",
             as: :admin_email_settings, constraints: { key: /[a-z0-9_]+/ }
      # The banner's words and logo. Its own route so writing a sentence and
      # nudging the tint save independently.
      patch  "admin/emails/:key/copy", to: "studio/emails#copy",
             as: :admin_email_copy, constraints: { key: /[a-z0-9_]+/ }
      # The per-email logo. Separate from the banner upload above — different
      # picture, different ImageCache purpose, independently revertible.
      patch  "admin/emails/:key/logo", to: "studio/emails#logo",
             as: :admin_email_logo, constraints: { key: /[a-z0-9_]+/ }
    end

    # The shared first-name onboarding step's two writes. OPT-IN — see
    # Studio.draw_onboarding_routes above: turf-monster owns these exact helper
    # names today, and drawing them there before its adoption task deletes the
    # local pair kills every route in that app.
    #
    # The paths match the partial's defaults, so a host that opts in and has no
    # other onboarding of its own needs no further wiring.
    if Studio.draw_onboarding_routes
      post "onboarding/first_name",      to: "studio/onboarding#first_name",
           as: :onboarding_first_name
      post "onboarding/skip_first_name", to: "studio/onboarding#skip_first_name",
           as: :onboarding_skip_first_name
    end

    # DEPRECATED, kept for ONE release. Not a redirect: consumer-ci.yml runs
    # each consumer's DEFAULT-BRANCH suite against this engine, and both
    # mcritchie-studio and turf-monster have tests on `main` that GET this page
    # and PATCH through admin_email_image_path. Redirecting (or deleting) here
    # reddens their lanes the moment the PR opens, and no change inside the
    # engine PR can fix it. Each app's adoption task moves its link + tests; a
    # later engine minor deletes these two routes with the controller and view.
    get   "admin/email_images",          to: "studio/email_images#index",  as: :admin_email_images
    patch "admin/email_images/:variant", to: "studio/email_images#update", as: :admin_email_image,
          constraints: { variant: /[a-z_]+/ }

    # Model-page protocol (v1) — a reusable per-record inspector. Drawn into
    # every consuming app: /models/:model/:id renders one record as pretty JSON
    # plus a copy/paste rails-console command; /models/:model/random bounces to
    # a random record of that model. Admin-only (Studio::ModelsController).
    # Ships an EMPTY registry — a host enables a model in an initializer with
    # `Studio::ModelPage.register("release", Release, lookup: :slug)`. `random`
    # is drawn BEFORE `:id` so it is not captured as a record identifier.
    get "models/:model/random", to: "studio/models#random", as: :studio_model_random
    get "models/:model/:id",    to: "studio/models#show",   as: :studio_model
  end
end

.ses_transport_ready?(env = ENV) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 362

def self.ses_transport_ready?(env = ENV)
  env["MAIL_TRANSPORT"].to_s.downcase == "ses" &&
    env_value(env, "SES_SMTP_USERNAME") &&
    env_value(env, "SES_SMTP_PASSWORD")
end

.show_environment_banner?(rails_env: rails_env_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 448

def self.show_environment_banner?(rails_env: rails_env_name)
  EnvironmentBanner.show?(rails_env: rails_env, qa_environment: qa_environment?)
end

.sidebar_sections_for(view) ⇒ Object

Sidebar sections resolved for a view context: a callable config is called with the view, keys symbolize, and admin-only sections drop for non-admin viewers. Rendering gates on .any?, so [] keeps the navbar untouched.



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# File 'lib/studio.rb', line 544

def self.sidebar_sections_for(view)
  SidebarSections.resolve(sidebar_sections, view)
end

.theme_config ⇒ Object 



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# File 'lib/studio.rb', line 517

def self.theme_config
  {
    primary: theme_primary,
    dark:    theme_dark,
    light:   theme_light,
    success: theme_success,
    warning: theme_warning,
    danger:  theme_danger,
    accent:  theme_accent
  }.compact
end

.user_supports_password? ⇒ Boolean

Does the host User model respond to authenticate (has_secure_password)? Safe when no User is defined (an engine-only boot / a test with no host model) — answers false rather than raise.

Returns:

  • (Boolean) 


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# File 'lib/studio.rb', line 400

def self.user_supports_password?
  return false unless defined?(::User) && ::User.respond_to?(:instance_methods)

  PASSWORD_USER_INSTANCE_METHODS.all? { |m| ::User.instance_methods.include?(m) }
rescue StandardError
  false
end

.user_wallet_address(user) ⇒ Object 



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# File 'lib/studio.rb', line 470

def self.user_wallet_address(user)
  return nil unless user

  [wallet_address_method, :wallet_address, :solana_address].compact.each do |method|
    next unless user.respond_to?(method)

    value = user.public_send(method)
    return value if value && !(value.respond_to?(:empty?) && value.empty?)
  end

  nil
end

.validate_user_contract!(user_class) ⇒ Object

Verifies that the host app's User model satisfies the engine's expected contract. Raises Studio::UserContractError with a clear pointer to docs/USER_CONTRACT.md if anything required is missing. Called from Engine#after_initialize. Opt out via Studio.validate_user_contract = false.

Raises:



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# File 'lib/studio.rb', line 487

def self.validate_user_contract!(user_class)
  return unless validate_user_contract
  return unless user_class.is_a?(Class)

  missing = []
  REQUIRED_USER_CLASS_METHODS.each do |m|
    missing << "User.#{m}" unless user_class.respond_to?(m)
  end
  instance_methods = REQUIRED_USER_INSTANCE_METHODS.dup
  instance_methods.concat(PASSWORD_USER_INSTANCE_METHODS) if auth_method?(:password)
  instance_methods.each do |m|
    missing << "User##{m}" unless user_class.instance_methods.include?(m)
  end

  return if missing.empty?

  raise UserContractError, <<~MSG
    The studio-engine gem's expected User model contract is not satisfied.

    Missing: #{missing.join(", ")}

    See the USER_CONTRACT.md doc in the studio-engine repo for the full
    contract + a minimal compliant example:
      https://github.com/McRitchie-Studio/studio-engine/blob/main/docs/USER_CONTRACT.md

    To bypass this check temporarily, set Studio.validate_user_contract = false
    in config/initializers/studio.rb.
  MSG
end