35 lines
882 B
Ruby
35 lines
882 B
Ruby
require_dependency 'oneboxer'
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class OneboxController < ApplicationController
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before_action :ensure_logged_in
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def show
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params.require(:user_id)
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unless params[:refresh] == 'true'
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preview = Oneboxer.cached_preview(params[:url])
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preview.strip! if preview.present?
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return render(plain: preview) if preview.present?
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end
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# only 1 outgoing preview per user
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return render(body: nil, status: 429) if Oneboxer.is_previewing?(params[:user_id])
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Oneboxer.preview_onebox!(params[:user_id])
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preview = Oneboxer.preview(params[:url], invalidate_oneboxes: params[:refresh] == 'true')
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preview.strip! if preview.present?
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Scheduler::Defer.later("Onebox previewed") {
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Oneboxer.onebox_previewed!(params[:user_id])
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}
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if preview.blank?
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render body: nil, status: 404
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else
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render plain: preview
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end
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end
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end
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