80 lines
2.3 KiB
Ruby
80 lines
2.3 KiB
Ruby
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require "rails/application_controller"
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class Rails::MailersController < Rails::ApplicationController # :nodoc:
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prepend_view_path ActionDispatch::DebugExceptions::RESCUES_TEMPLATE_PATH
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before_action :require_local!, unless: :show_previews?
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before_action :find_preview, only: :preview
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def index
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@previews = ActionMailer::Preview.all
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@page_title = "Mailer Previews"
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end
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def preview
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if params[:path] == @preview.preview_name
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@page_title = "Mailer Previews for #{@preview.preview_name}"
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render action: "mailer"
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else
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@email_action = File.basename(params[:path])
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if @preview.email_exists?(@email_action)
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@email = @preview.call(@email_action)
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if params[:part]
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part_type = Mime::Type.lookup(params[:part])
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if part = find_part(part_type)
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response.content_type = part_type
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render plain: part.respond_to?(:decoded) ? part.decoded : part
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else
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raise AbstractController::ActionNotFound, "Email part '#{part_type}' not found in #{@preview.name}##{@email_action}"
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end
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else
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@part = find_preferred_part(request.format, Mime[:html], Mime[:text])
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render action: "email", layout: false, formats: %w[html]
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end
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else
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raise AbstractController::ActionNotFound, "Email '#{@email_action}' not found in #{@preview.name}"
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end
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end
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end
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private
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def show_previews? # :doc:
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ActionMailer::Base.show_previews
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end
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def find_preview # :doc:
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candidates = []
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params[:path].to_s.scan(%r{/|$}) { candidates << $` }
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preview = candidates.detect { |candidate| ActionMailer::Preview.exists?(candidate) }
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if preview
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@preview = ActionMailer::Preview.find(preview)
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else
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raise AbstractController::ActionNotFound, "Mailer preview '#{params[:path]}' not found"
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end
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end
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def find_preferred_part(*formats) # :doc:
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formats.each do |format|
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if part = @email.find_first_mime_type(format)
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return part
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end
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end
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if formats.any? { |f| @email.mime_type == f }
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@email
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end
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end
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def find_part(format) # :doc:
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if part = @email.find_first_mime_type(format)
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part
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elsif @email.mime_type == format
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@email
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end
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end
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end
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