34 lines
837 B
Ruby
34 lines
837 B
Ruby
require_dependency 'oneboxer'
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class OneboxController < ApplicationController
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before_filter :ensure_logged_in
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def show
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params.require(:user_id)
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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(text: preview) if preview.present?
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# only 1 outgoing preview per user
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return render(nothing: true, 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 nothing: true, status: 404
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else
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render text: preview
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end
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end
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end
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