Implement letter generation

Gemfile

@@ -14,6 +14,9 @@ gem "puma", "~> 5.0"
 gem "pundit"
 gem "rails", "~> 7.0.3"
 gem "ransack"
+gem "nokogiri"
+gem "rubyzip"
+gem "combine_pdf"
 
 group :development, :test do
   gem "debug", platforms: %i[ mri mingw x64_mingw ]

Gemfile.lock

@@ -82,6 +82,9 @@ GEM
       bcrypt (>= 3.1.1)
       email_validator (~> 2.0)
       railties (>= 5.0)
+    combine_pdf (1.0.22)
+      matrix
+      ruby-rc4 (>= 0.1.5)
     concurrent-ruby (1.1.10)
     crass (1.0.6)
     debug (1.5.0)
@@ -115,6 +118,7 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     marcel (1.0.2)
+    matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
     minitest (5.16.0)
@@ -188,6 +192,8 @@ GEM
       io-console (~> 0.5)
     request_store (1.5.1)
       rack (>= 1.4)
+    ruby-rc4 (0.1.5)
+    rubyzip (2.3.2)
     strscan (3.0.3)
     thor (1.2.1)
     timecop (0.9.5)
@@ -210,9 +216,11 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   clearance
+  combine_pdf
   debug
   dotenv-rails
   importmap-rails
+  nokogiri
   paper_trail
   pg (~> 1.1)
   propshaft
@@ -220,6 +228,7 @@ DEPENDENCIES
   pundit
   rails (~> 7.0.3)
   ransack
+  rubyzip
   timecop
   web-console
 

app/assets/stylesheets/application.css

@@ -23,3 +23,5 @@ ul {
 }
 
 li { padding: 5px 0px; }
+
+table.noborder { border: 0; margin: 0; }

app/controllers/concerns/member_filter.rb

@@ -0,0 +1,38 @@
+module MemberFilter
+  extend ActiveSupport::Concern
+
+  def filtered_members
+    members = Member.all.order(sort_params.merge(number: :asc))
+
+    filters = params.permit(:prefers_postal, :display_name, :email, :identification_number, status: [], category: [])
+
+    Rails.logger.info filters
+
+    status   = filters.fetch(:status, []) - ['any', '']
+    category = filters.fetch(:category, []) - ['any', '']
+
+    members = members.where(prefers_postal: true)  if filters[:prefers_postal] == 'yes'
+    members = members.where(prefers_postal: false) if filters[:prefers_postal] == 'no'
+    members = members.where(status: status)        if status != []
+    members = members.where(category: category)    if category != []
+
+    members.ransack(
+      display_name_i_cont: filters[:display_name],
+      email_i_cont: filters[:email],
+      identification_number_i_cont: filters[:identification_number],
+    ).result
+  end
+
+  def sort_params
+    field, direction = params.fetch(:sort, "").split(".")
+
+    directions = %w[ asc desc ]
+    fields = %w[ number expires_on joined_on email status display_name ]
+
+    if directions.include?(direction) && fields.include?(field)
+      { field => direction }
+    else
+      { number: :asc }
+    end
+  end
+end

app/controllers/letters_controller.rb

@@ -0,0 +1,14 @@
+class LettersController < ApplicationController
+  before_action :require_login
+
+  include MemberFilter
+
+  # POST /letters
+  def create
+    members = filtered_members
+
+    pdf = Letters.generate(params[:template], members)
+
+    send_data pdf, filename: "members.pdf", type: "application/pdf"
+  end
+end

app/controllers/members_controller.rb

@@ -3,13 +3,11 @@ class MembersController < ApplicationController
   before_action :set_member, only: %i[ show edit update delete destroy ]
   helper_method :sort_params
 
+  include MemberFilter
+
   # GET /members
   def index
-    params.delete(:status) if params[:status] == 'any'
-    params.delete(:category) if params[:category] == 'any'
-
-    @members = Member.all.order(sort_params.merge(number: :asc))
-    @members = @members.ransack(display_name_or_email_or_identification_number_i_cont: params[:q], status_cont: params[:status], category_cont: params[:category]).result
+    @members = filtered_members
   end
 
   # GET /members/1
@@ -68,17 +66,4 @@ class MembersController < ApplicationController
     def member_params
       params.fetch(:member, {}).permit(:display_name, :email, :identification_number, :category, :address, :joined_on, :expires_on, :wants_mailing_list, :prefers_postal)
     end
-
-    def sort_params
-      field, direction = params.fetch(:sort, "").split(".")
-
-      directions = %w[ asc desc ]
-      fields = %w[ number expires_on joined_on email status display_name ]
-
-      if directions.include?(direction) && fields.include?(field)
-        { field => direction }
-      else
-        { number: :asc }
-      end
-    end
 end

app/controllers/notifications_controller.rb

@@ -0,0 +1,19 @@
+class NotificationsController < ApplicationController
+  before_action :require_login
+  before_action :set_notification
+
+  # POST /notifications/1/deliver
+  def deliver
+    @notification.deliver!
+
+    redirect_to @notification.member
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_notification
+      @notification = Notification.find(params[:id])
+    end
+end
+
+

app/lib/letters.rb

@@ -0,0 +1,68 @@
+require 'zip'
+require 'nokogiri'
+require 'combine_pdf'
+
+module Letters
+  def self.apply_template(io, params)
+    Zip::OutputStream.write_buffer do |out|
+      Zip::File.open(io) do |zip|
+        zip.each do |entry|
+          pp entry.name
+          out.put_next_entry(entry.name)
+          if entry.name == "content.xml"
+            out.write apply_template_xml(entry.get_input_stream.read, params)
+          elsif !entry.directory?
+            out.write entry.get_input_stream.read
+          end
+        end
+      end
+    end
+  end
+
+  def self.apply_template_xml(xml, params)
+    doc = Nokogiri::XML(xml)
+
+    doc.xpath("//*[contains(text(), 'DISPLAY_NAME')]").each do |node|
+      node.content = node.content.gsub("DISPLAY_NAME", params["DISPLAY_NAME"])
+    end
+
+    address_lines = params['ADDRESS'].split("\n")
+    doc.xpath("//*[contains(text(), 'ADDRESS')]").each do |node|
+      newnodes = [node] + address_lines[1..].map do |line|
+        node.clone.tap do |c|
+          c.content = c.content.gsub("ADDRESS", line)
+        end
+      end
+      node.content = node.content.gsub("ADDRESS", address_lines.first)
+
+      newnodes.each_cons(2) do |p, n|
+        p.add_next_sibling(n)
+      end
+    end
+
+    doc.to_xml(save_with: 0)
+  end
+
+  def self.generate(template, members)
+    Dir.mktmpdir do |directory|
+      members.each do |member|
+        odt = apply_template(template, {
+          "DISPLAY_NAME" => member.display_name,
+          "ADDRESS" => member.address,
+        })
+
+        File.open("#{directory}/#{member.number}.odt", "wb") { |out| out.write(odt.string) }
+      end
+
+      `libreoffice --convert-to pdf --outdir #{directory} #{directory}/*.odt`
+
+      pdf = CombinePDF.new
+
+      Dir["#{directory}/*.pdf"].each do |file|
+        pdf << CombinePDF.load(file)
+      end
+
+      pdf.to_pdf
+    end
+  end
+end

app/mailers/notification_mailer.rb

@@ -1,4 +1,5 @@
 class NotificationMailer < ApplicationMailer
+  before_action :set_notification
 
   # Subject can be set in your I18n file at config/locales/en.yml
   # with the following lookup:
@@ -6,63 +7,32 @@ class NotificationMailer < ApplicationMailer
   #   en.notification_mailer.expiration_in_60d.subject
   #
   def expiration_in_60d
-    @notification = params[:notification]
-
-    mail to: params[:notification].member.email
+    mail to: @notification.member.email
   end
 
-  # Subject can be set in your I18n file at config/locales/en.yml
-  # with the following lookup:
-  #
-  #   en.notification_mailer.expiration_in_30d.subject
-  #
   def expiration_in_30d
-    @notification = params[:notification]
-
-    mail to: params[:notification].member.email
+    mail to: @notification.member.email
   end
 
-  # Subject can be set in your I18n file at config/locales/en.yml
-  # with the following lookup:
-  #
-  #   en.notification_mailer.expired.subject
-  #
   def expired
-    @notification = params[:notification]
-
-    mail to: params[:notification].member.email
+    mail to: @notification.member.email
   end
 
-  # Subject can be set in your I18n file at config/locales/en.yml
-  # with the following lookup:
-  #
-  #   en.notification_mailer.expired_30d_ago.subject
-  #
   def expired_30d_ago
-    @notification = params[:notification]
-
-    mail to: params[:notification].member.email
+    mail to: @notification.member.email
   end
 
-  # Subject can be set in your I18n file at config/locales/en.yml
-  # with the following lookup:
-  #
-  #   en.notification_mailer.expired_60d_ago.subject
-  #
   def expired_60d_ago
-    @notification = params[:notification]
-
-    mail to: params[:notification].member.email
+    mail to: @notification.member.email
   end
 
-  # Subject can be set in your I18n file at config/locales/en.yml
-  # with the following lookup:
-  #
-  #   en.notification_mailer.cancelled.subject
-  #
   def cancelled
-    @notification = params[:notification]
+    mail to: @notification.member.email
+  end
 
-    mail to: params[:notification].member.email
+  private
+  def set_notification
+    @notification = params[:notification]
+    @link = @notification.member.regular_ifthenpay_link
   end
 end

app/views/members/index.html.erb

@@ -2,18 +2,77 @@
 
 <h1><%= t 'members.index.title' %></h1>
 
-<%= link_to t('members.index.actions.new'), new_member_path %>
+<p><%= link_to t('members.index.actions.new'), new_member_path %></p>
 
 <%= form_with url: members_path, method: :get do |form| %>
-  <%= form.text_field :q %>
-  <%= form.select :status, %w[ any active passive pending expired cancelled ], selected: params[:status] %>
-  <%= form.select :category, %w[ any student employed unemployed retired ], selected: params[:category], multiple: true %>
-  <%= form.submit 'Search', name: '' %>
+  <fieldset>
+    <legend>Filtrar</legend>
+
+    <table class='noborder lined'>
+      <tr>
+        <td><%= t 'members.attributes.display_name' %></td>
+        <td><%= form.text_field :display_name, value: params[:display_name] %></td>
+      </tr>
+      <tr>
+        <td><%= t 'members.attributes.email' %></td>
+        <td><%= form.text_field :email, value: params[:email] %></td>
+      </tr>
+      <tr>
+        <td><%= t 'members.attributes.identification_number' %></td>
+        <td><%= form.text_field :identification_number, value: params[:identification_number] %></td>
+      </tr>
+      <tr>
+        <td><%= t 'members.attributes.status' %></td>
+        <td><%= form.select :status, %w[ any active passive pending expired cancelled ], { selected: params[:status] }, { multiple: true } %></td>
+      </tr>
+      <tr>
+        <td><%= t 'members.attributes.category' %></td>
+        <td>
+          <%= form.select :category, %w[ any student employed unemployed retired ], { selected: params[:category] }, { multiple: true } %>
+        </td>
+      </tr>
+      <tr>
+        <td><%= t 'members.attributes.prefers_postal' %></td>
+        <td>
+          <%= form.select :prefers_postal, %w[ any yes no ], selected: params[:prefers_postal] %>
+        </td>
+      </tr>
+        </td>
+      </tr>
+    </table>
+
+    <p><%= form.submit 'Search', name: '' %></p>
+
     <% if params[:q].present? || params[:status].present? || params[:category].present? %>
       <%= link_to t('members.index.actions.clear_search'), members_path %>
     <% end %>
+  </fieldset>
 <% end %>
 
+<br>
+
+<%= form_with url: letters_path do |form| %>
+  <fieldset>
+    <legend>Gerar PDF</legend>
+
+    <% (params.fetch(:status, []) - ['any', '']).each do |status| %>
+      <%= form.hidden_field 'status[]', value: status %>
+    <% end %>
+    <% (params.fetch(:category, []) - ['any', '']).each do |category| %>
+      <%= form.hidden_field 'category[]', value: category %>
+    <% end %>
+
+    <%= form.hidden_field :display_name, value: params[:display_name] %>
+    <%= form.hidden_field :email, value: params[:email] %>
+    <%= form.hidden_field :identification_number, value: params[:identification_number] %>
+    <%= form.hidden_field :prefers_postal, value: params[:prefers_postal] %>
+
+    <%= form.file_field :template, required: true %>
+    <%= form.submit 'Generate PDF' %>
+  </fieldset>
+<% end %>
+
+
 <table class='zebra'>
   <tr>
     <th><%= link_to_current_with_sort t('members.attributes.number'), 'number.asc' %></th>

app/views/members/show.html.erb

@@ -54,12 +54,20 @@
     <th><%= t('notifications.attributes.to_be_sent_on') %></th>
     <th><%= t('notifications.attributes.template') %></th>
     <th><%= t('notifications.attributes.status') %></th>
+    <th><%= t('members.show.contribution_actions') %></th>
   </tr>
   <% @member.notifications.order(to_be_sent_on: :desc).each do |notification| %>
     <tr>
       <td><%= notification.to_be_sent_on %></td>
       <td><code><%= notification.template %></code></td>
       <td><%= notification_status(notification.status) %></td>
+      <td>
+        <% if notification.status == 'scheduled' %>
+          <%= form_with url: deliver_notification_path(notification) do |form| %>
+            <%= form.submit t('members.show.actions.deliver_notification') %>
+          <% end %>
+        <% end %>
+      </td>
     </tr>
   <% end %>
 </table>

config/locales/pt.yml

@@ -30,8 +30,10 @@ pt:
         edit: "Editar detalhes"
         edit_contribution: "Editar"
         delete_contribution: "Apagar"
+        deliver_notification: "Enviar agora"
       contribution_history: "Histórico de contribuições"
       notifications: "Notificações por correio electrónico"
+      contribution_actions: "Acções"
     edit:
       title: "Editar detalhes de membro"
       actions:

config/routes.rb

@@ -19,5 +19,12 @@ Rails.application.routes.draw do
     end
   end
 
+  resources :notifications, only: [] do
+    member do
+      post :deliver
+    end
+  end
+
   resource :board, only: [:edit, :update]
+  resource :letters, only: [:create]
 end