Class: Lux::Current

Inherits:
Object show all
Defined in:
lib/lux/current/current.rb

Defined Under Namespace

Modules: EncryptParams Classes: Session

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env = nil) ⇒ Current

Returns a new instance of Current.



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# File 'lib/lux/current/current.rb', line 13

def initialize env=nil
  env   ||= '/mock'
  env     = ::Rack::MockRequest.env_for(env) if env.is_a?(String)
  request = ::Rack::Request.new env

  # reset page cache
  Thread.current[:lux] = { cache:{}, page: self }

  @files_in_use = []
  @response     = Lux::Response.new
  @request      = request
  @session      = Lux::Current::Session.new request

  # remove empty paramsters in GET request
  if request.request_method == 'GET'
    for el in request.params.keys
      request.params.delete(el) if request.params[el].blank?
    end
  end

  # indiferent access
  request.instance_variable_set(:@params, request.params.h_wia) if request.params.keys.length > 0

  Lux::Current::EncryptParams.decrypt request.params
  ap request.params if request.post? && Lux.config(:log_to_stdout)

  @nav = Lux::Application::Nav.new request
end

Instance Attribute Details

#can_clear_cache ⇒ Object

set to true if user is admin and you want him to be able to clear caches in production



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# File 'lib/lux/current/current.rb', line 8

def can_clear_cache
  @can_clear_cache
end

#locale ⇒ Object

Returns the value of attribute locale.



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# File 'lib/lux/current/current.rb', line 10

def locale
  @locale
end

#nav ⇒ Object (readonly)

Returns the value of attribute nav.



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# File 'lib/lux/current/current.rb', line 11

def nav
  @nav
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/lux/current/current.rb', line 11

def request
  @request
end

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/lux/current/current.rb', line 11

def response
  @response
end

#session ⇒ Object

Returns the value of attribute session.



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# File 'lib/lux/current/current.rb', line 10

def session
  @session
end

Instance Method Details

#cache(key) ⇒ Object

Cache data in current page



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# File 'lib/lux/current/current.rb', line 61

def cache key
  data = Thread.current[:lux][:cache][key]
  return data if data
  Thread.current[:lux][:cache][key] = yield
end

#domain ⇒ Object

Domain part of the host



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# File 'lib/lux/current/current.rb', line 43

def domain
  host = Lux.current.request.host.split('.')
  host_country = host.pop
  host_name    = host.pop
  host_name ? "#{host_name}.#{host_country}" : host_country
end

#files_in_use(file = nil) ⇒ Object

Add to list of files in use



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# File 'lib/lux/current/current.rb', line 96

def files_in_use file=nil
  if block_given?
    return yield(file) unless @files_in_use.include?(file)
  end

  return @files_in_use unless file
  return unless Lux.config(:log_to_stdout)

  file = file.sub './', ''

  if @files_in_use.include?(file)
    true
  else
    @files_in_use.push file
    false
  end
end

#host ⇒ Object

Full host with port



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# File 'lib/lux/current/current.rb', line 51

def host
  "#{request.env['rack.url_scheme']}://#{request.host}:#{request.port}".sub(':80','')# rescue 'http://locahost:3000'
end

#no_cache? ⇒ Boolean

Set current.can_clear_cache = true in production for admins

Returns:

  • (Boolean) 


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# File 'lib/lux/current/current.rb', line 68

def no_cache?
  @can_clear_cache = true if Lux.dev?
  @can_clear_cache && @request.env['HTTP_CACHE_CONTROL'].to_s.downcase == 'no-cache' ? true : false
end

#once(id = nil, data = nil, &block) ⇒ Object

Execute action once per page



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# File 'lib/lux/current/current.rb', line 79

def once id=nil, data=nil, &block
  id ||= Digest::SHA1.hexdigest caller[0] if block

  @once_hash ||= {}
  return if @once_hash[id]
  @once_hash[id] = true

  block_given? ? yield : data
end

#redirect(*args) ⇒ Object

Redirect from current page



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# File 'lib/lux/current/current.rb', line 74

def redirect *args
  response.redirect *args
end

#uid ⇒ Object

Generete unique ID par page render



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# File 'lib/lux/current/current.rb', line 90

def uid
  Thread.current[:uid_cnt] ||= 0
  "uid-#{Thread.current[:uid_cnt]+=1}"
end

#var ⇒ Object

Current scope variables hash



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# File 'lib/lux/current/current.rb', line 56

def var
  Thread.current[:lux][:var] ||= Hashie::Mash.new
end