Basic pdf generating

Gemfile

@@ -70,6 +70,9 @@ gem 'uuidtools', '~> 2.1.4' # For unique IDs (used by the epp gem)
 # for importing legacy db
 gem 'activerecord-import', '~> 0.7.0' # for inserting dummy data
 
+# for generating pdf
+gem 'pdfkit', '~> 0.6.2'
+
 group :development do
   # dev tools
   gem 'spring',                '~> 1.3.3'

Gemfile.lock

@@ -272,6 +272,7 @@ GEM
     orm_adapter (0.5.0)
     parser (2.2.0.3)
       ast (>= 1.1, < 3.0)
+    pdfkit (0.6.2)
     pg (0.18.1)
     phantomjs (1.9.7.1)
     phantomjs-binaries (1.9.2.4)
@@ -521,6 +522,7 @@ DEPENDENCIES
   nokogiri (>= 1.6.2.2)
   nprogress-rails (~> 0.1.6.5)
   paper_trail!
+  pdfkit (~> 0.6.2)
   pg (~> 0.18.0)
   phantomjs (~> 1.9.7.1)
   phantomjs-binaries (~> 1.9.2.4)

app/assets/stylesheets/shared/general.sass

@@ -36,3 +36,6 @@
   box-sizing: border-box
   padding: 10px
   font-size: 16px
+
+.no-border
+  border: 0px !important

app/assets/stylesheets/shared/pdf.sass

@@ -0,0 +1,16 @@
+@import "bootstrap-sprockets"
+@import "bootstrap"
+
+#logo
+  text-align: right
+
+.no-border
+  border: 0px !important
+
+body, html, .container
+  height: 100%
+
+#footer
+  position: absolute
+  bottom: 0
+  width: 100%

app/controllers/registrar/invoices_controller.rb

@@ -1,7 +1,7 @@
 class Registrar::InvoicesController < RegistrarController
   load_and_authorize_resource
 
-  before_action :set_invoice, only: [:show]
+  before_action :set_invoice, only: [:show, :forward, :download_pdf]
 
   def index
     invoices = current_user.registrar.invoices.includes(:invoice_items, :account_activity)
@@ -13,6 +13,30 @@ class Registrar::InvoicesController < RegistrarController
   def show
   end
 
+  def forward
+    @invoice.billing_email = @invoice.buyer.billing_email
+
+    return unless request.post?
+
+    @invoice.billing_email = params[:invoice][:billing_email]
+
+    if @invoice.forward
+      flash[:notice] = t('invoice_forwared')
+      redirect_to([:registrar, @invoice])
+    else
+      flash.now[:alert] = t('failed_to_forward_invoice')
+    end
+  end
+
+  def download_pdf
+    # render 'pdf', layout: false
+
+    kit = PDFKit.new(render_to_string('pdf', layout: false))
+    pdf = kit.to_pdf
+
+    send_data pdf, filename: "test.pdf"
+  end
+
   private
 
   def set_invoice

app/models/invoice.rb

@@ -7,6 +7,9 @@ class Invoice < ActiveRecord::Base
 
   accepts_nested_attributes_for :invoice_items
 
+  attr_accessor :billing_email
+  validates :billing_email, format: { with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i }
+
   validates :invoice_type, :due_date, :currency, :seller_name,
             :seller_iban, :buyer_name, :invoice_items, :vat_prc, presence: true
 
@@ -38,6 +41,14 @@ class Invoice < ActiveRecord::Base
     Country.new(buyer_country_code)
   end
 
+  def forward
+    return false unless valid?
+    return false unless billing_email
+
+    # TODO: forward invoice
+    true
+  end
+
   def items
     invoice_items
   end

app/views/registrar/invoices/forward.haml

@@ -0,0 +1,15 @@
+- content_for :actions do
+  = link_to(t(:back_to_invoice), registrar_invoice_path(@invoice), class: 'btn btn-default')
+= render 'shared/title', name: t(:forward_invoice)
+
+= form_for([:registrar, @invoice], url: { action: :forward }, method: :post) do |f|
+  .row
+    .col-md-4.col-md-offset-4
+      = render 'shared/full_errors', object: @invoice
+      .form-group
+        = f.label :billing_email
+        = f.text_field :billing_email, class: 'form-control', autocomplete: 'off'
+
+      .row
+        .col-md-12.text-right
+          = button_tag(t(:forward), class: 'btn btn-primary')

app/views/registrar/invoices/pdf.haml

@@ -0,0 +1,203 @@
+%html{lang: I18n.locale.to_s}
+  %head
+    %meta{charset: "utf-8"}
+    :css
+      .container {
+        margin: auto;
+        font-size: 12px;
+      }
+      .col-md-12 {
+
+      }
+
+      .col-md-6 {
+        width: 49%;
+        display: inline-block;
+      }
+
+      .col-xs-4 {
+        width: 33%;
+      }
+
+      .col-xs-2 {
+        width: 16%;
+      }
+
+      .left {
+        float: left;
+      }
+
+      .left {
+        padding-right: 5px;
+      }
+
+      .right {
+        float: right;
+      }
+
+      dt {
+        float: left;
+        width: 100px;
+        clear: left;
+        text-align: right;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        font-weight: bold;
+        line-height: 1.42857;
+      }
+
+      dd {
+        margin-left: 120px;
+        line-height: 1.42857;
+      }
+
+      table {
+        width: 100%;
+        border-collapse: collapse;
+      }
+
+      th {
+        text-align: left;
+        border: 0px;
+        border-top: 1px solid #DDD;
+        padding: 10px;
+      }
+
+      thead th {
+        border-bottom: 2px solid #DDD;
+        border-top: 0px;
+      }
+
+      td {
+        border-top: 1px solid #DDD;
+      }
+
+      td {
+        padding: 10px;
+      }
+
+      .no-border {
+        border: 0px;
+      }
+
+      hr {
+        height: 1px;
+        border: 0;
+        color: #333;
+        background-color: #C4C4C4;
+      }
+
+      .clear {
+        clear: both;
+      }
+
+      .pull-down {
+        margin-top: 50px;
+      }
+    /%style{type:"text/css"}
+    /  = Rails.application.assets.find_asset('shared/pdf').to_s
+    / = stylesheet_link_tag 'shared/pdf', media: 'all'
+    / = stylesheet_link_tag 'shared/pdf', media: 'all'
+  %body
+    .container
+      .row
+        .col-md-12.text-right
+          = image_tag('eis-logo-black-et.png')
+      .row
+        .col-md-12
+          = render 'shared/title', name: t(:invoice_no, no: @invoice.id)
+      .row
+        .col-md-6.left
+          %h4
+            Details
+          %hr
+          %dl.dl-horizontal
+            %dt= t('issue_date')
+            %dd= l(@invoice.created_at)
+
+            %dt= t('due_date')
+            %dd= l(@invoice.due_date)
+
+            %dt= t('receipt_date')
+            - if @invoice.binded?
+              %dd= l(@invoice.receipt_date)
+            - else
+              %dd{class: 'text-danger'}= t('unpaid')
+
+            %dt= t('payment_term')
+            %dd= t(@invoice.payment_term)
+
+            %dt= t('description')
+            - @invoice.description.prepend(' - ') if @invoice.description.present?
+            %dd= "#{t('invoice_no', no: @invoice.id)}#{@invoice.description}"
+
+            %dt= t('reference_no')
+            %dd= @invoice.reference_no
+        .col-md-6.right
+          %h4= t('buyer')
+          %hr
+          %dl.dl-horizontal
+            %dt= t('name')
+            %dd= @invoice.buyer_name
+
+            %dt= t('reg_no')
+            %dd= @invoice.buyer_reg_no
+
+            %dt= t('address')
+            %dd= @invoice.buyer_address
+
+            %dt= t('country')
+            %dd= @invoice.buyer_country
+
+            %dt= t('phone')
+            %dd= @invoice.buyer_phone
+
+            %dt= t('url')
+            %dd= @invoice.buyer_url
+
+            %dt= t('email')
+            %dd= @invoice.buyer_email
+
+
+        / = render 'registrar/invoices/partials/details'
+
+        / .col-md-6= render 'registrar/invoices/partials/buyer'
+      .clear
+      .row.pull-down
+        .col-md-12= render 'registrar/invoices/partials/items'
+
+      #footer
+        %hr
+        .row
+          .col-md-3
+            = @invoice.seller_name
+            %br
+            = @invoice.seller_address
+            %br
+            = @invoice.seller_country
+            %br
+            = "#{t('reg_no')} #{@invoice.seller_reg_no}"
+            %br
+            = "#{t('vat_no')} #{@invoice.seller_vat_no}"
+
+          .col-md-3
+            = @invoice.seller_phone
+            %br
+            = @invoice.seller_email
+            %br
+            = @invoice.seller_url
+
+          .col-md-3.text-right
+            = t('bank')
+            %br
+            = t('iban')
+            %br
+            = t('swift')
+
+          .col-md-3
+            = @invoice.seller_bank
+            %br
+            = @invoice.seller_iban
+            %br
+            = @invoice.seller_swift

app/views/registrar/invoices/show.haml

@@ -1,4 +1,6 @@
 - content_for :actions do
+  = link_to(t(:download), download_pdf_registrar_invoice_path(@invoice), class: 'btn btn-default')
+  = link_to(t(:forward_invoice), forward_registrar_invoice_path(@invoice), class: 'btn btn-default')
   = link_to(t(:back), :back, class: 'btn btn-default')
 = render 'shared/title', name: t(:invoice_no, no: @invoice.id)
 

config/initializers/assets.rb

@@ -1 +1 @@
-Rails.application.config.assets.precompile += %w( login.css registrar-manifest.css )
+Rails.application.config.assets.precompile += %w( login.css registrar-manifest.css shared/pdf.css )

config/initializers/pdfkit.rb

@@ -0,0 +1,7 @@
+PDFKit.configure do |config|
+  config.wkhtmltopdf = "#{Rails.root}/vendor/bin/wkhtmltopdf"
+  config.default_options = {
+    page_size: 'A4'
+    # :print_media_type => true
+  }
+end

config/locales/en.yml

@@ -723,3 +723,8 @@ en:
   registrar_head_title: 'EIS Registrar'
   admin_head_title: 'Estonian Internet Foundation'
   bind_manually: 'Bind manually'
+  forward_invoice: 'Forward invoice'
+  forward: 'Forward'
+  back_to_invoice: 'Back to invoice'
+  invoice_forwared: 'Invoice forwarded'
+  failed_to_forward_invoice: 'Failed to forward invoice'

config/routes.rb

@@ -20,7 +20,11 @@ Rails.application.routes.draw do
   namespace :registrar do
     root 'polls#show'
 
-    resources :invoices
+    resources :invoices do
+      get 'download_pdf', on: :member
+      match 'forward', on: :member, via: [:post, :get]
+    end
+
     resources :deposits
     resources :account_activities