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clinch/app/helpers/application_helper.rb
Dan Milne bfad9c4e9d
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Generated monogram fallback + optional dark-mode icon per application
When an application has no icon attached, render a deterministic
monogram SVG instead of the generic picture-frame placeholder. Initials
are picked from capital letters in the name (ShelfLife -> SL); fall
back to the first two letters when fewer than two capitals exist
(Audiobookshelf -> AU). Background colour is hashed from the name for
stable per-app identity across visits.

Adds an optional second icon attachment, icon_dark, alongside the main
icon. When present, render a <picture> with a prefers-color-scheme:
dark source so the browser swaps automatically; when absent, the main
icon is used in both modes. The SVG sanitization, content-type fix,
and size/format validation now run over both attachments uniformly.

Bumps to 0.14.0.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-06-07 17:02:53 +10:00

89 lines
2.8 KiB
Ruby

module ApplicationHelper
def smtp_configured?
return true if Rails.env.test?
smtp_address = ENV["SMTP_ADDRESS"]
smtp_port = ENV["SMTP_PORT"]
smtp_address.present? &&
smtp_port.present? &&
smtp_address != "localhost" &&
!smtp_address.start_with?("127.0.0.1") &&
!smtp_address.start_with?("localhost")
end
def email_delivery_method
if Rails.env.development?
ActionMailer::Base.delivery_method
else
:smtp
end
end
def oidc_env_lines(application, client_secret: nil)
lines = ["OIDC_CLIENT_ID=#{application.client_id}"]
lines << if client_secret
"OIDC_CLIENT_SECRET=#{client_secret}"
elsif application.public_client?
"OIDC_CLIENT_SECRET="
else
"OIDC_CLIENT_SECRET=<your-client-secret>"
end
lines << "OIDC_DISCOVERY_URL=#{OidcJwtService.issuer_url}"
lines << "OIDC_PROVIDER_NAME='Clinch'"
lines << "OIDC_REQUIRE_PKCE=#{application.requires_pkce? ? 'true' : 'false'}"
lines
end
def border_class_for(type)
case type.to_s
when "notice" then "border-green-200 dark:border-green-700"
when "alert", "error" then "border-red-200 dark:border-red-700"
when "warning" then "border-yellow-200 dark:border-yellow-700"
when "info" then "border-blue-200 dark:border-blue-700"
else "border-gray-200 dark:border-gray-700"
end
end
# Picks 1-2 character initials for a monogram fallback when an Application
# has no icon. Prefers capital letters (ShelfLife -> SL); falls back to the
# first two letters of the name (Audiobookshelf -> AU).
MONOGRAM_PALETTE = %w[
#4f46e5 #0891b2 #16a34a #ca8a04
#db2777 #9333ea #ea580c #475569
].freeze
def monogram_initials(name)
return "?" if name.blank?
caps = name.scan(/[A-Z]/)
initials = if caps.size >= 2
caps.first(2).join
else
name.upcase.gsub(/[^A-Z0-9]/, "").first(2)
end
initials.presence || "?"
end
def monogram_color(name)
return MONOGRAM_PALETTE.first if name.blank?
index = Digest::MD5.hexdigest(name).to_i(16) % MONOGRAM_PALETTE.size
MONOGRAM_PALETTE[index]
end
# Renders an application icon as a <picture> that swaps based on the user's
# color-scheme preference. If only `icon` is attached, the same image is used
# in both modes. Caller is responsible for ensuring at least app.icon is
# attached; the monogram fallback handles the no-icon case separately.
def app_icon_picture(app, class:, alt: nil)
img_class = binding.local_variable_get(:class)
alt ||= "#{app.name} icon"
light = url_for(app.icon)
dark = app.icon_dark.attached? ? url_for(app.icon_dark) : nil
tag.picture do
sources = []
sources << tag.source(media: "(prefers-color-scheme: dark)", srcset: dark) if dark
safe_join(sources + [image_tag(app.icon, class: img_class, alt: alt)])
end
end
end