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Alchemy::Ajax::Form

A gem for semplify form creations in alchemy.

Installation

Add this line to your application's Gemfile:

gem 'alchemy-ajax-form', github: "ArchimediaZerogroup/alchemy-ajax-form"

And then execute:

$ bundle install

Or install it yourself as:

$ gem install alchemy-ajax-form

install mjml 4.1.0 with npm globally (with sudo if necessary)

$ npm install [email protected] -g

Usage

Launch the generator with this command:

$ bin/rails generate custom_form name_of_form param:type

example:

$ bin/rails generate custom_form contact_form email:string firstname:string lastname:string message:text

Ansawer to the questions step by step

Configure element in layoutpage

Restart Server

How use without generator

If you don't wont use the generator you have to follow these steps:

Let's assume we want to create the form "ContactForm"

Create Admin Controller

Create Admin::ContactFormsController (/app/controllers/admin/contact_forms_controller.rb)

class Admin::ContactFormsController < Alchemy::Admin::AjaxFormsController

end

Create Controller

Create ContactFormsController (/app/controllers/admin/contact_forms_controller.rb)

class ContactFormsController < Alchemy::AjaxFormsController

end

Create Resource

Create ContactFormResource (app/lib/contact_form_resource.rb)

class ContactFormResource < Alchemy::AjaxFormResource

end

Create Model

Create ContactForm (app/models/contact_form.rb)

class ContactForm < Alchemy::AjaxForm

  validates :check_privacy, inclusion: [true, '1']


  def notify_subject
    I18n.translate(:contact_form_notify, scope: [:ajax_form_mailer, :subjects])
  end

  def notify_user_subject
    I18n.translate(:contact_form_user_notify, scope: [:ajax_form_mailer, :subjects])
  end


end

Create Ability

Create ContactFormAbility (app/models/contact_form_ability.rb)

class ContactFormAbility
  include CanCan::Ability

  def initialize(user)
    if user.present? && user.is_admin?
      can :manage, ContactForm
      cannot :create, ContactForm
      cannot :update, ContactForm
      can :manage, :admin_contact_forms
      cannot :create, :admin_contact_forms
      cannot :update, :admin_contact_forms
    end
  end

end

Create Migration

Create CreateContactForm (db/migrate/%Y%m%d%H%M%Screate_contact_form.rb)

class CreateContactForm < ActiveRecord::Migration[5.2]
  def change
    create_table :contact_forms do |t|
    
    # insert all form fields
    
      t.boolean :check_privacy
      t.references :language, index: true
      t.timestamps
    end
  end
end

Create Element Configuration

Insert into file "config/alchemy/elements.yml"

- name: contact_form
  hint: false
  contents:
  - name: privacy_page
    type: EssenceText
    settings:
      linkable: true
  - name: recipient_notification
    type: EssenceText
    default: "[email protected]"
  - name: send_only
    type: EssenceBoolean
  - name: send_staff
    type: EssenceBoolean
  - name: send_user
    type: EssenceBoolean\n

Create Element View

Create contact form view "app/views/alchemy/elements/_contact_form_view.html.erb"

<% cache(element) do %>
  <%= element_view_for(element) do |el| -%>


    <%
      privacy_link = element.content_by_name(:privacy_page).essence.link
      privacy_title = element.content_by_name(:privacy_page).essence.body
      @contact_form = ContactForm.new
      @contact_form.alcm_element = element.id
    %>


    <div class="messages"></div>


    <%= form_for(@contact_form, url: main_app.contact_forms_path, method: :post, remote: true, multipart: true,html:{class: "ajax_forms"}) do |f| %>
      <%= f.hidden_field :alcm_element %>
      <div class="row">
      #list of attributes
      </div>

    <% if !privacy_title.blank? %>
       <div class="privacy">
         <div class="single_privacy">
           <%= f.check_box :check_privacy %>
           <%= link_to privacy_link do %>
             <label><%= privacy_title %></label>
           <% end %>
         </div>
       </div>
     <% else %>
       <%= f.check_box :check_privacy %>
     <% end %>


      <div class="submit">
      <%= f.submit t(:submit) %>
      </div>

    <% end %>



  <%- end -%>
<%- end -%>

Create or add entry to initializer

Create or edit alchemy_ahax_forms initializer ( config/initializers/alchemy_ajax_forms.rb)

Alchemy::Modules.register_module({
                                   name: 'alchemy_ajax_forms',
                                   order: 1,
                                   navigation: {
                                     name: 'modules.contact_forms',
                                     controller: '/admin/contact_forms',
                                     action: 'index',
                                     image: 'alchemy/ajax_form.png',
                                     sub_navigation: [
                                     {
                                       name: 'modules.contact_forms',
                                       controller: '/admin/contact_forms',
                                       action: 'index'
                                     },
                                     ]
                                   }
                                 })

Alchemy.register_ability(ContactFormAbility)

module Alchemy

EMAIL_NOTIFY= "[email protected]"
EMAIL_NOTIFY_FROM = "[email protected]"

end

If you add multiple form add only:

{
  name: 'modules.contact_forms',
  controller: '/admin/contact_forms',
  action: 'index'
}

and ability

Alchemy.register_ability(ContactFormAbility)

Create Mail Template

Create email template ()app/views/alchemy/ajax_forms_mailer/_contact_form.mjml) Create email template for user notification ()app/views/alchemy/ajax_forms_mailer/_contact_form_user.mjml)

<mj-column>
  <mj-text align="left" color="#55575d" font-family="Arial, sans-serif" font-size="13px" line-height="22px" padding-bottom="0px" padding-top="5px" padding="10px 25px">
    <p style="line-height: 16px; text-align: center; margin: 10px 0;font-size:12px;color:#000;font-family:'Times New Roman',Helvetica,Arial,sans-serif">
       <span><b>attribute name:</b></span>
       <span><%= rec.attribute_name %></span>
    </p>
  </mj-text>
</mj-column>

Add Routes

Add right routes

namespace :admin do
 resources :contact_forms
 
end
resources :contact_forms , only: [:create]

Require assets

Add to app/assets/javascripts/application.js

//= require jquery3
//= require ajax_forms

Add to vendor/assets/stylesheets/alchemy/admin/all.css

 *= require alchemy/ajax/form/backend/custom_resource_show

Add to app/assets/stylesheets/application.css

 *= require alchemy/ajax/form/style

Run Migration

Run migration with rake task

$ bin/rake db:migrate

Configure element in layoutpage

Restart Server

Translations

Remember to check translations

Disable MJML

If you don't want mjml, insert in an initializer

Alchemy::Ajax::Form.enable_mjml= false

n.b. Disable mjml before launching the generator, otherwise email templates will be generated with mjml

License

The gem is available as open source under the terms of the MIT License.