47 lines
1 KiB
Ruby
47 lines
1 KiB
Ruby
module BannerHelper
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def active_banners
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BANNERS.reject do |_k, v|
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enddate = v[:enddate]
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begin
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parsed = enddate && Date.parse(enddate)
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rescue
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parsed = nil
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end
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parsed.is_a?(Date) && parsed.past?
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end
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end
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# returns the least recently seen banner that is not hidden
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def next_banner
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banners = active_banners
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banner_key = nil
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cookie_key = nil
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min_index = 9999
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banners.each do |k, v|
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ckey = banner_cookie(v[:id]).to_sym
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cval = cookies[ckey] || 0
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next if cval == "hide"
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# rotate all banner queue positions
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index = cval.to_i
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cookies[ckey] = index - 1 if index > 0
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# pick banner with mininum queue position
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next if index > min_index
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banner_key = k
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cookie_key = ckey
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min_index = index
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end
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unless banner_key.nil?
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cookies[cookie_key] = banners.length # bump to end of queue
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banners[banner_key]
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end
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end
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def banner_cookie(key)
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"_osm_banner_#{key}"
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end
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end
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