Ruben On Rails

Publicado el Abril 11, 2009

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

class Configuration
  def initialize
    @options = {}
  end

  def method_missing(name, *args, &block)
    if block_given?
      @options[name.to_s] = Configuration.new
      block.call(@options[name.to_s])
    else
      if name.to_s =~ /=\Z/
        @options[name.to_s.gsub!(/=/,'')] = args.shift
      else
        @options[name.to_s]
      end
    end
  end
end

def configure
  conf = Configuration.new
  yield conf
  conf
end

# Aqui un ejemplo

configuration = configure do |config|
  config.tail_logs = true
  config.max_connections = 55
  config.app_server do |app_server_config|
    app_server_config.port = 8808
  end
end

configuration.class # => Configuration
configuration.tail_logs # => true
configuration.app_server.port # => 8808

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

require 'ostruct'

class Configuration
  def initialize
    @options = OpenStruct.new
  end

  def method_missing(name, *args, &block)
    if block_given?
      @options.send((name.to_s + '=').to_sym, Configuration.new)
      block.call(@options.send(name))
    else
      @options.send(name, args.shift)
    end
  end
end

def configure
  conf = Configuration.new
  yield conf
  conf
end

1

= javascript_include_tag 'jquery-1.3.2.min', 'jquery.livequery', 'jquery-ui-1.7.custom.min', 'application'

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

class CategoriesController < ApplicationController
  def destroy
    Category.destroy(params[:id])
    respond_to do |format|
      format.html do
        flash[:notice] = 'Categoria eliminada con exito'
        redirect_to categories_url
      end
      format.js { head :ok }
    end
  end

  def destroy_nojs
    @category = Category.find(params[:id])
  end
end

1
2
3
4
5
6
7

-# -#app/views/categories/destroy_nojs.html.haml
%h2== Eliminar categoria: #{@category.name.humanize}

¿Estas seguro que deseas eliminar esta categoria?

- form_for @category, :html => { :method => :delete } do |f|
  = f.submit 'Si, eliminar esta categoria'

1

= link_to 'Eliminar', category_path(category), :method => :delete, :confirm => '¿Seguro ...?'

1
2
3
4
5
6
7

-#app/views/categories/index.html.haml

- for category in @categories
  %li
    == #{category.name} 
    = link_to 'Editar', edit_category_path(category)
    = link_to 'Eliminar', {:action => 'destroy_nojs', :id => category}, :class => 'delete_category'

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

$.fn.delete_link = function(msg_confirm, message){
  $(this).livequery("click", function() {
    if (confirm(msg_confirm)) {
      var ajaxTarget = $(this).attr("href").replace(/destroy_nojs\//,"") + ".js";
      $.post(ajaxTarget, { _method: "delete" },
       function(data){
         alert(message);
       });
      $(this).parent().fadeOut("slow");
    }
    return false;
  });
};

$(document).ready(function(){
  $(".delete_ele").delete_link("Seguro que desea eliminar esta categoria?", "Categoria eliminada con éxito");
});

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

class CategoriesController < ApplicationController
  def new
    @category = Category.new
    @categories = Category.all
  end

  def destroy
    Category.destroy(params[:id])
    respond_to do |format|
      format.html do
        flash[:notice] = 'Categoria eliminada con exito'
        redirect_to categories_url
      end
      format.js { head :ok }
    end
  end

  def destroy_nojs
    @category = Category.find(params[:id])
  end
end

1
2
3
4
5
6
7
8
9
10

-#app/views/categories/new.html.haml
%h2 Nueva categoria
- form_for(@category, :html => {:id => 'new_category'})  do |f|
  %p
    = f.label :name, 'Nombre:'
    = f.text_field :name
    = f.submit 'Agregar categoria'

%ul#categories
  = render :partial => @categories

1
2
3
4
5

-#app/views/categories/_category.html.haml
%li[category]
  == #{category.name} 
  = link_to 'Editar', edit_category_path(category)
  = link_to 'Eliminar', {:action => 'destroy_nojs', :id => category}, :class => 'delete_category'

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

$.fn.delete_link = function(msg_confirm, message){
  $(this).livequery("click", function() {
    if (confirm(msg_confirm)) {
      var ajaxTarget = $(this).attr("href").replace(/destroy_nojs\//,"") + ".js";
      $.post(ajaxTarget, { _method: "delete" },
       function(data){
         alert(message);
       });
      $(this).parent().fadeOut("slow");
    }
    return false;
  });
};

$(document).ready(function(){
  $("#new_category").submit(function() {
    $.post($(this).attr('action') + '.js', $(this).serializeArray(), null, 'script');
    return false;
  });

  $(".delete_category").delete_link("Seguro que desea eliminar esta categoria?", "Categoria eliminada con éxito");
});

1
2
3
4

#app/views/categories/create.js.erb
$('#categories').append('<%= escape_javascript(render(:partial => @category)) %>');
$('#new_category_form  :text').val("");
$('#<%= dom_id(@category) %>').effect("highlight");

1
2
3
4
5

tar -xvzf GeoIP.tar.gz
cd GeoIp
./configure
make
sudo make install

1
2
3
4
5

tar -xvzf net-geoip-0.06.tar.gz
cd net-geoip-0.06
ruby extconf.rb --with-geoip-include=/usr/local/include
make
sudo make install

1
2

gzip -d GeoIP.dat.dz
cp GeoIP.dat /ruta/a/tu/rails_app/db/

1
2

#en config/initializers/geo_ip.rb
GEOIP = Net::GeoIP.open(File.join(Rails.root,'db','GeoIP.dat'), Net::GeoIP::TYPE_RAM)

1
2
3
4
5
6
7
8
9
10
11
12

#en app/controllers/application.rb
class ApplicationController < ActionController::Base
  before_filter :current_country

  helper_method :current_country #por si quieres usarlo en tus vistas

  protected

  def current_country
    GEOIP.country_code_by_addr(request.remote_ip)
  end
end

Ruben On Rails

Creando un pequeño DSL en Ruby

Mi presentación en el Barcamplima

Internacionalización en Rails: Gettext o I18n?

Javascript no intrusivo con Jquery en Rails

Cargando librerias de javascript

Creando nueva accion y vista para destroy

Ajaxificando la accion delete

Ajaxificando el formulario de nueva categoria

Preguntas para contratar a un desarrollador ideal

Curso de git y github en 1 semana!

Curso excelente y gratuito de Ruby, JRuby y Rails

Detectando pais del usuario por IP

Como trabajan estos servicios?

Servicios que he probado y por tanto puedo recomendar

Ahora si al grano

Integrando el servicio con tu aplicación Rails

Aqui estoy porque no me he ido

Secciones

Etiquetas

Buscar