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`to_prepare` callbacks are run during initialization; using one here meant that `ActiveStorage::Blob` would be loaded when the app boots, which would in turn load `ActiveRecord::Base`. By using a lazy load hook to configure `ActiveStorage::Blob` instead, we can avoid loading `ActiveRecord::Base` unnecessarily.
97 lines
3.4 KiB
Ruby
97 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require "rails"
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require "active_storage"
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require "active_storage/previewer/pdf_previewer"
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require "active_storage/previewer/video_previewer"
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require "active_storage/analyzer/image_analyzer"
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require "active_storage/analyzer/video_analyzer"
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module ActiveStorage
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class Engine < Rails::Engine # :nodoc:
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isolate_namespace ActiveStorage
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config.active_storage = ActiveSupport::OrderedOptions.new
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config.active_storage.previewers = [ ActiveStorage::Previewer::PDFPreviewer, ActiveStorage::Previewer::VideoPreviewer ]
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config.active_storage.analyzers = [ ActiveStorage::Analyzer::ImageAnalyzer, ActiveStorage::Analyzer::VideoAnalyzer ]
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config.active_storage.paths = ActiveSupport::OrderedOptions.new
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config.active_storage.variable_content_types = %w(
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image/png
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image/gif
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image/jpg
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image/jpeg
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image/vnd.adobe.photoshop
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image/vnd.microsoft.icon
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)
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config.active_storage.content_types_to_serve_as_binary = %w(
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text/html
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text/javascript
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image/svg+xml
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application/postscript
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application/x-shockwave-flash
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text/xml
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application/xml
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application/xhtml+xml
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)
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config.eager_load_namespaces << ActiveStorage
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initializer "active_storage.configs" do
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config.after_initialize do |app|
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ActiveStorage.logger = app.config.active_storage.logger || Rails.logger
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ActiveStorage.queue = app.config.active_storage.queue
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ActiveStorage.previewers = app.config.active_storage.previewers || []
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ActiveStorage.analyzers = app.config.active_storage.analyzers || []
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ActiveStorage.paths = app.config.active_storage.paths || {}
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ActiveStorage.variable_content_types = app.config.active_storage.variable_content_types || []
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ActiveStorage.content_types_to_serve_as_binary = app.config.active_storage.content_types_to_serve_as_binary || []
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end
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end
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initializer "active_storage.attached" do
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require "active_storage/attached"
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ActiveSupport.on_load(:active_record) do
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extend ActiveStorage::Attached::Macros
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end
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end
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initializer "active_storage.verifier" do
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config.after_initialize do |app|
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ActiveStorage.verifier = app.message_verifier("ActiveStorage")
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end
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end
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initializer "active_storage.services" do
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ActiveSupport.on_load(:active_storage_blob) do
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if config_choice = Rails.configuration.active_storage.service
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configs = Rails.configuration.active_storage.service_configurations ||= begin
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config_file = Pathname.new(Rails.root.join("config/storage.yml"))
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raise("Couldn't find Active Storage configuration in #{config_file}") unless config_file.exist?
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require "yaml"
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require "erb"
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YAML.load(ERB.new(config_file.read).result) || {}
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rescue Psych::SyntaxError => e
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raise "YAML syntax error occurred while parsing #{config_file}. " \
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"Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
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"Error: #{e.message}"
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end
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ActiveStorage::Blob.service =
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begin
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ActiveStorage::Service.configure config_choice, configs
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rescue => e
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raise e, "Cannot load `Rails.config.active_storage.service`:\n#{e.message}", e.backtrace
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end
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end
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end
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end
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end
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end
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