Module: GeminiCache

Defined in:
lib/gemini_cache.rb

Class Method Summary collapse

Class Method Details

.create(parts:, display_name:, model: 'gemini-1.5-flash-8b', ttl: 600) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 7

def self.create(parts:, display_name:, model: 'gemini-1.5-flash-8b', ttl: 600)
  raise "Cache name already exist: '#{display_name}'" if GeminiCache.get(display_name:)

  content = {
    model: "models/#{model}",
    display_name:,
    contents: [parts:, role: 'user'],
    ttl: "#{ttl}s"
  }.to_json

  conn = Faraday.new(
    url: 'https://generativelanguage.googleapis.com',
    headers: { 'Content-Type' => 'application/json' }
  )

  response = conn.post('/v1beta/cachedContents') do |req|
    req.params['key'] = ENV.fetch('GEMINI_API_KEY')
    req.body = content
  end

  return JSON.parse(response.body) if response.status == 200

  raise "Erro ao criar cache: #{response.status} - #{response.body}"
rescue Faraday::Error => e
  raise "Erro na requisição: #{e.message}"
end

.delete(name:) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 122

def self.delete(name:)
  conn = Faraday.new(
    url: 'https://generativelanguage.googleapis.com',
    headers: { 'Content-Type' => 'application/json' }
  )

  response = conn.delete("/v1beta/#{name}") do |req|
    req.params['key'] = ENV.fetch('GEMINI_API_KEY')
  end

  return true if response.status == 200
  
  raise "Erro ao deletar cache: #{response.body}"
rescue Faraday::Error => e
  raise "Erro na requisição: #{e.message}"
end

.delete_all ⇒ Object Also known as: clear 



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# File 'lib/gemini_cache.rb', line 139

def self.delete_all
  GeminiCache.list.each { |item| item.delete }
end

.get(name: nil, display_name: nil) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 34

def self.get(name: nil, display_name: nil)
  raise 'Nome do cache ou display name é obrigatório' if name.nil? && display_name.nil?
  raise 'Nome do cache e display name não podem ser informados juntos' if !name.nil? && !display_name.nil?
  
  return GeminiCache.list.find { |item| item['name'].eql? name } if !name.nil?
  return GeminiCache.list.find { |item| item['displayName'].eql? display_name } if !display_name.nil?
end

.list ⇒ Object 



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# File 'lib/gemini_cache.rb', line 42

def self.list
  conn = Faraday.new(
    url: 'https://generativelanguage.googleapis.com',
    headers: { 'Content-Type' => 'application/json' }
  )

  response = conn.get("/v1beta/cachedContents") do |req|
    req.params['key'] = ENV.fetch('GEMINI_API_KEY')
  end
  
  return [] if JSON.parse(response.body).empty?

  JSON.parse(response.body)['cachedContents'].map do |item|
    def item.delete = GeminiCache.delete(name: self['name'])
    def item.set_ttl(ttl = 120) = GeminiCache.update(name: self['name'], content: { ttl: "#{ttl}s" })

    def item.generate_content(contents:, generation_config: nil)
      conn = Faraday.new(
        url: 'https://generativelanguage.googleapis.com',
        headers: { 'Content-Type' => 'application/json' }
      ) do |f|
        f.options.timeout = 300        # timeout em segundos para a requisição completa
        f.options.open_timeout = 300   # timeout em segundos para abrir a conexão
      end

      body = {
        cached_content: self['name'],
        contents:
      }

      body[:generation_config] = generation_config if !generation_config.nil?

      response = conn.post("/v1beta/models/#{self['model'].split('/').last}:generateContent") do |req|
        req.params['key'] = ENV.fetch('GEMINI_API_KEY')
        req.body = body.to_json
      end
      
      if response.status == 200
        resp = JSON.parse(response.body)
        def resp.content = dig('candidates', 0, 'content', 'parts', 0, 'text')
        return resp
      end

      raise "Erro ao gerar conteúdo: #{response.body}"
    rescue Faraday::Error => e
      raise "Erro na requisição: #{e.message}"
    end
    
    def item.single_prompt(prompt:, generation_config: :accurate_mode)
      # accurate_mode: less creative, more accurate
      generation_config = { temperature: 0, topP: 0, topK: 1 } if generation_config.eql?(:accurate_mode)

      generate_content(contents: [{ parts: [{ text: prompt }], role: 'user' }], generation_config:).content
    end

    item
  end

rescue Faraday::Error => e
  raise "Erro na requisição: #{e.message}"
end

.read_local_file(file_path) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 147

def self.read_local_file(file_path) = Base64.strict_encode64(File.read(file_path))

.read_nokogiri_html(url, default_remover: true) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 150

def self.read_nokogiri_html(url, default_remover: true)
  doc = Nokogiri::HTML(URI.open(url))
  %w[script style].each { |element| doc.css(element).each(&:remove) } if default_remover
  doc
end

.read_remote_file(file_url) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 148

def self.read_remote_file(file_url) = Base64.strict_encode64(URI.open(file_url).read)

.update(name:, content:) ⇒ Object 



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# File 'lib/gemini_cache.rb', line 104

def self.update(name:, content:)
  conn = Faraday.new(
    url: 'https://generativelanguage.googleapis.com',
    headers: { 'Content-Type' => 'application/json' }
  )

  response = conn.patch("/v1beta/#{name}") do |req|
    req.params['key'] = ENV.fetch('GEMINI_API_KEY')
    req.body = content.to_json
  end

  return JSON.parse(response.body) if response.status == 200
  
  raise "Erro ao atualizar cache: #{response.body}"
rescue Faraday::Error => e
  raise "Erro na requisição: #{e.message}"
end