74 lines
1.9 KiB
Ruby
74 lines
1.9 KiB
Ruby
class ImageUploadsController < ApplicationController
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before_action :authenticate_user!
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before_action :limit_uploads, only: [:create]
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after_action :verify_authorized
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def create
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authorize :image_upload
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begin
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raise CarrierWave::IntegrityError if params[:image].blank?
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invalid_image_error_message = validate_image
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unless invalid_image_error_message.nil?
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respond_to do |format|
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format.json { render json: { error: invalid_image_error_message }, status: :unprocessable_entity }
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end
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return
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end
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uploaders = upload_images(params[:image])
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rescue CarrierWave::IntegrityError => e # client error
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respond_to do |format|
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format.json do
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render json: { error: e.message }, status: :unprocessable_entity
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end
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end
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return
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rescue CarrierWave::ProcessingError # server error
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respond_to do |format|
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format.json do
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render json: { error: "A server error has occurred!" }, status: :unprocessable_entity
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end
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end
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return
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end
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links = uploaders.map(&:url)
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respond_to do |format|
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format.json { render json: { links: links }, status: :ok }
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end
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end
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private
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def limit_uploads
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rate_limit!(:image_upload)
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end
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def validate_image
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images = Array.wrap(params["image"])
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return if images.blank?
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return IS_NOT_FILE_MESSAGE unless valid_image_files?(images)
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return FILENAME_TOO_LONG_MESSAGE unless valid_filenames?(images)
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nil
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end
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def valid_image_files?(images)
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images.none? { |image| !file?(image) }
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end
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def valid_filenames?(images)
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images.none? { |image| long_filename?(image) }
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end
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def upload_images(images)
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Array.wrap(images).map do |image|
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ArticleImageUploader.new.tap do |uploader|
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uploader.store!(image)
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rate_limiter.track_limit_by_action(:image_upload)
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end
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end
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end
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end
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