Module: CPEE::LLM::DataFlow

Included in:
CreateDataFlow, CreateMermaid
Defined in:
lib/cpee/llm/dataflow.rb

Constant Summary collapse

EMBED_CACHE = 
{}

Instance Method Summary collapse

Instance Method Details

#embed_cached(text) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 81

def embed_cached(text)
  EMBED_CACHE[text] ||= begin
    emb = RagEmbeddings.embed(text, model: "mxbai-embed-large")
    RagEmbeddings::Embedding.from_array(emb)
  end
end

#get_data_from_url(url, method) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 31

def get_data_from_url(url,method)
  request = Typhoeus::Request.new(
    url,
    method: method,
  )
  request.run
  response = request.response
  if response.code.to_i == 200
    data = response.body
    return data
  else
    raise Exception.new "Request failed with #{response.code}!!!. \n For more details see: \n #{response.body}."
  end
end

#get_demo_endpoints ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 54

def get_demo_endpoints()
  ed = get_data_from_url("https://cpee.org/flow/resources/endpoints/?description",:get)
  doc = XML::Smart.string(ed)
  resources = doc.find("//resource")
  endpoints_description = resources.map do |resource|
    [ CGI.unescape(resource.attributes['endpoint']),
      [ resource.find('string(./endpoint)'),
        resource.find('string(./functionality)'),
        get_input(resource.attributes['endpoint']),
        resource.find('string(./ouput)')
      ]
    ]
  end.to_h
  return endpoints_description
end

#get_idlabel_from_model(doc) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 70

def get_idlabel_from_model(doc)
  doc.register_namespace 'd', 'http://cpee.org/ns/description/1.0'
  pairs = doc.find('//d:call').map do |c|
    [c.attributes['id'],
    c.find('string(d:parameters/d:label)')]
  end.to_h
  return pairs
end

#get_input(url) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 46

def get_input(url)
  data_content = get_data_from_url("https://cpee.org/flow/resources/endpoints/#{url}/schema.rng",:get)
  doc = XML::Smart.string(data_content)
  doc.register_namespace 'd', 'http://relaxng.org/ns/structure/1.0'
  data_info = doc.find("/d:element/*").map{|e| e.dump }.join("\n")
  return data_info
end

#get_matching_endpoints(process_model, endpoints_description) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 94

def get_matching_endpoints(process_model,endpoints_description)
  ids = get_idlabel_from_model(process_model)
  best_match = {}
  ids.each do |i,l|
    values = endpoints_description.transform_values do |v|
      options = v[0].split(';')
      options.sum { |o| text_similarity(l, o) } / options.size.to_f
    end
    key, value = values.max_by { |_, v| v }
    ed = endpoints_description[key]
    if value > 0.70
      best_match[i] = [{"label":l, "url": key,"description": ed[0],"functionality": ed[1],"input":ed[2], "output":ed[3]}]
    end
  end
  return best_match
end

#integrate_dataflow(cpee_model, dataflow) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 111

def integrate_dataflow(cpee_model,dataflow)
  json_e = JSON.parse(dataflow)
  endxml = XML::Smart.string('<endpoints xmlns="http://cpee.org/ns/properties/2.0"/>')

  # ========================calls=========================
  json_e['tasks'].each do |i, value|
    begin
      if value['url'] == 'script'
        cur_el = cpee_model.find("//d:call[@id='#{i}']").first
        alt = cpee_model.find('string(//d:call/@a:alt_id)')
        info = XML::Smart.string('<manipulate id="" label="" a:alt_id=""></manipulate>')
        info.root.attributes['a:alt_id'] = alt
        info.root.attributes['id'] = i
        info.root.attributes['label'] = value['label']
        info.root.add("code", value['script'])
        cpee_model.find("//d:*[@id='#{i}']").first.replace_by(info.root)
      else
        cur_task =  cpee_model.find("//d:call[@id='#{i}']").first
        label = cur_task.find('string(d:parameters/d:label)')
        #short_l = label.gsub(" ", "").downcase
        short_l = label.gsub(/[^a-zA-Z0-9]/, '').downcase
        cur_task.attributes["endpoint"] = short_l
        endxml.root.add(short_l).text = value["url"]
        # set input if exists
        if value['input'].length > 0
          args = cur_task.find('d:parameters/d:arguments').first
          value["input"].each do |i,iv|
            if iv.is_a?(String)
              iv = iv.start_with?("data.") ? "!#{iv}" : iv
            end
            args.add(i, iv)
          end
        end
      end
    rescue StandardError => e
      puts "task and script task are not consistent"
      raise e
    end

    #set output if exists
    code_fragment = XML::Smart.string(<<~XML)
      <code>
        <prepare/>
        <finalize output="result"/>
        <update output="result"/>
        <rescue output="result"/>
      </code>
    XML

    if !value['output'].nil?
      result = value['output'].map { |k, v| "#{k} = #{v}" }.join("; ")
      cur_task.add(code_fragment.root)
      finalize = cur_task.find('//d:finalize').first
      finalize.text = result
    end
  end

  pp json_e
  pp cpee_model
  # ==============================conditions (only alternative)=======================
  json_e['gateway_conditions'].each do |i, value|
    if i.end_with?("s")
      sid = i.chomp("s")
      choose = cpee_model.find("//d:choose[@eid = '#{sid}']").first
      if choose.nil?
        loop = cpee_model.find("//d:loop[@eid = '#{sid}']").first
        if loop.nil?
          #do nothing it is parralel
        else
          cur_cond = CGI.unescapeHTML(loop.attributes['condition'])
          loop.attributes['condition'] = value['branches'][cur_cond]
        end
      else
        cur_gateway =  cpee_model.find("//d:choose[@eid = '#{sid}']/d:alternative")
        cur_gateway.each do |branch|
          cur_cond = CGI.unescapeHTML(branch.attributes['condition'])
          branch.attributes['condition'] = value['branches'][cur_cond]
        end
      end
    end
  end
  return cpee_model.serialize, endxml.serialize
end

#text_similarity(string1, string2) ⇒ Object 



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# File 'lib/cpee/llm/dataflow.rb', line 88

def text_similarity(string1, string2)
  obj1 = embed_cached(string1)
  obj2 = embed_cached(string2)
  return obj1.cosine_similarity(obj2)
end