scinote-web/app/helpers/tiny_mce_helper.rb

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module TinyMceHelper
def parse_tiny_mce_asset_to_token(text, ref = nil)
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ids = []
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html = Nokogiri::HTML(text)
html.search('img').each do |img|
next unless img['data-token']
img_id = Base62.decode(img['data-token'])
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ids << img_id
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token = "[~tiny_mce_id:#{img_id}]"
img.replace(token)
next unless ref
tiny_img = TinyMceAsset.find_by_id(img_id)
tiny_img.reference = ref unless tiny_img.step || tiny_img.result_text
tiny_img.save
end
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destroy_removed_tiny_mce_assets(ids, ref) if ref
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html
end
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def generate_image_tag_from_token(text)
return unless text
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regex = /\[~tiny_mce_id:([0-9a-zA-Z]+)\]/
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text.gsub(regex) do |el|
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match = el.match(regex)
img = TinyMceAsset.find_by_id(match[1])
next unless img
image_tag img.url,
class: 'img-responsive',
data: { token: Base62.encode(img.id) }
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end
end
def link_tiny_mce_assets(text, ref)
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ids = []
regex = /\[~tiny_mce_id:([0-9a-zA-Z]+)\]/
text.gsub(regex) do |img|
match = img.match(regex)
tiny_img = TinyMceAsset.find_by_id(match[1])
next unless tiny_img
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ids << tiny_img.id
tiny_img.public_send("#{ref.class.to_s.underscore}=".to_sym, ref)
tiny_img.save!
end
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destroy_removed_tiny_mce_assets(ids, ref)
end
def destroy_removed_tiny_mce_assets(ids, ref)
ref.tiny_mce_assets.where.not('id IN (?)', ids).destroy_all
end
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end