Merge branch 'master' into user-recomendations

Gemfile

@@ -33,6 +33,7 @@ gem 'omniauth-facebook', '~> 4.0.0'
 gem 'omniauth-google-oauth2', '~> 0.4.0'
 gem 'omniauth-twitter', '~> 1.4.0'
 gem 'paperclip', '~> 5.1.0'
+gem 'jquery-fileupload-rails'
 gem 'paranoia', '~> 2.3.1'
 gem 'pg', '~> 0.20.0'
 gem 'pg_search', '~> 2.0.1'

Gemfile.lock

@@ -52,7 +52,7 @@ GEM
       safely_block (>= 0.1.1)
       user_agent_parser
       uuidtools
-    airbrussh (1.2.0)
+    airbrussh (1.3.0)
       sshkit (>= 1.6.1, != 1.7.0)
     akami (1.3.1)
       gyoku (>= 0.4.0)
@@ -73,7 +73,7 @@ GEM
       uniform_notifier (~> 1.10.0)
     byebug (9.0.6)
     cancancan (1.16.0)
-    capistrano (3.8.1)
+    capistrano (3.8.2)
       airbrussh (>= 1.0.0)
       i18n
       rake (>= 10.0.0)
@@ -87,7 +87,7 @@ GEM
     capistrano3-delayed-job (1.7.3)
       capistrano (~> 3.0, >= 3.0.0)
       daemons (~> 1.2.4)
-    capybara (2.14.0)
+    capybara (2.14.4)
       addressable
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -95,17 +95,17 @@ GEM
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
     chronic (0.10.2)
-    ckeditor (4.2.3)
+    ckeditor (4.2.4)
       cocaine
       orm_adapter (~> 0.5.0)
-    climate_control (0.1.0)
+    climate_control (0.2.0)
     cliver (0.3.2)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
-    cocoon (1.2.9)
+    cocoon (1.2.10)
-    coffee-rails (4.2.1)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -120,11 +120,11 @@ GEM
     daemons (1.2.4)
     dalli (2.7.6)
     database_cleaner (1.5.3)
-    debug_inspector (0.0.2)
+    debug_inspector (0.0.3)
-    delayed_job (4.1.2)
+    delayed_job (4.1.3)
-      activesupport (>= 3.0, < 5.1)
+      activesupport (>= 3.0, < 5.2)
-    delayed_job_active_record (4.1.1)
+    delayed_job_active_record (4.1.2)
-      activerecord (>= 3.0, < 5.1)
+      activerecord (>= 3.0, < 5.2)
       delayed_job (>= 3.0, < 5)
     devise (3.5.10)
       bcrypt (~> 3.0)
@@ -144,10 +144,10 @@ GEM
       json
       thread
       thread_safe
-    email_spec (2.1.0)
+    email_spec (2.1.1)
       htmlentities (~> 4.3.3)
       launchy (~> 2.1)
-      mail (~> 2.6.3)
+      mail (~> 2.6)
     errbase (0.0.3)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -158,7 +158,7 @@ GEM
       railties (>= 3.0.0)
     faker (1.7.3)
       i18n (~> 0.5)
-    faraday (0.11.0)
+    faraday (0.12.1)
       multipart-post (>= 1.2, < 3)
     foundation-rails (6.2.4.0)
       railties (>= 3.1.0)
@@ -170,12 +170,12 @@ GEM
       activesupport (>= 4.1)
       railties (>= 4.1)
       tzinfo (~> 1.2, >= 1.2.2)
-    geocoder (1.4.3)
+    geocoder (1.4.4)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
-    graphiql-rails (1.4.1)
+    graphiql-rails (1.4.2)
       rails
-    graphql (1.6.3)
+    graphql (1.6.4)
     groupdate (3.2.0)
       activesupport (>= 3)
     gyoku (1.3.1)
@@ -183,9 +183,10 @@ GEM
     hashie (3.5.5)
     highline (1.7.8)
     htmlentities (4.3.4)
-    httpi (2.4.1)
+    httpi (2.4.2)
       rack
-    i18n (0.8.4)
+      socksify
+    i18n (0.8.6)
     i18n-tasks (0.9.15)
       activesupport (>= 4.0.2)
       ast (>= 2.1.0)
@@ -200,6 +201,10 @@ GEM
       railties (>= 3.1, < 6.0)
     invisible_captcha (0.9.2)
       rails (>= 3.2.0)
+    jquery-fileupload-rails (0.4.7)
+      actionpack (>= 3.1)
+      railties (>= 3.1)
+      sass (>= 3.2)
     jquery-rails (4.3.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -224,7 +229,7 @@ GEM
     knapsack (1.13.3)
       rake
       timecop (>= 0.1.0)
-    kramdown (1.13.2)
+    kramdown (1.14.0)
     launchy (2.4.3)
       addressable (~> 2.3)
     letter_opener (1.4.1)
@@ -259,9 +264,9 @@ GEM
     nokogiri (1.8.0)
       mini_portile2 (~> 2.2.0)
     nori (2.6.0)
-    oauth (0.5.1)
+    oauth (0.5.3)
-    oauth2 (1.3.1)
+    oauth2 (1.4.0)
-      faraday (>= 0.8, < 0.12)
+      faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
@@ -328,7 +333,7 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.9)
       sprockets-rails
-    rails-assets-markdown-it (8.2.1)
+    rails-assets-markdown-it (8.2.2)
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
     rails-dom-testing (1.0.8)
@@ -386,7 +391,7 @@ GEM
       sshkit (>= 1.2)
     safely_block (0.2.0)
       errbase
-    sass (3.4.23)
+    sass (3.4.25)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
@@ -408,12 +413,13 @@ GEM
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.0)
+    simplecov-html (0.10.1)
     sitemap_generator (5.3.1)
       builder (~> 3.0)
     social-share-button (0.10.0)
       coffee-rails
-    spring (2.0.1)
+    socksify (1.7.1)
+    spring (2.0.2)
       activesupport (>= 4.2)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
@@ -428,19 +434,19 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sshkit (1.13.1)
+    sshkit (1.14.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     term-ansicolor (1.6.0)
       tins (~> 1.0)
-    terminal-table (1.7.3)
+    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1.1)
+      unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.19.4)
     thread (0.2.2)
     thread_safe (0.3.6)
     tilt (2.0.7)
-    timecop (0.8.1)
+    timecop (0.9.1)
-    tins (1.13.2)
+    tins (1.15.0)
     turbolinks (2.5.3)
       coffee-rails
     turnout (2.4.0)
@@ -452,14 +458,14 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.1.3)
+    unicode-display_width (1.3.0)
     unicorn (5.3.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
     uniform_notifier (1.10.0)
-    user_agent_parser (2.3.0)
+    user_agent_parser (2.3.1)
     uuidtools (2.1.5)
-    warden (1.2.6)
+    warden (1.2.7)
       rack (>= 1.0)
     wasabi (3.5.0)
       httpi (~> 2.0)
@@ -473,7 +479,7 @@ GEM
     websocket-extensions (0.1.2)
     whenever (0.9.7)
       chronic (>= 0.6.3)
-    xpath (2.0.0)
+    xpath (2.1.0)
       nokogiri (~> 1.3)
 
 PLATFORMS
@@ -515,6 +521,7 @@ DEPENDENCIES
   i18n-tasks (~> 0.9.15)
   initialjs-rails (~> 0.2.0.5)
   invisible_captcha (~> 0.9.2)
+  jquery-fileupload-rails
   jquery-rails (~> 4.3.1)
   jquery-ui-rails (~> 6.0.1)
   kaminari (~> 1.0.1)
@@ -558,5 +565,6 @@ DEPENDENCIES
   web-console (~> 3.3.0)
   whenever (~> 0.9.7)
 
+
 BUNDLED WITH
-   1.15.1
+   1.15.3

app/assets/javascripts/application.js

@@ -14,6 +14,7 @@
 //= require jquery_ujs
 //= require jquery-ui/widgets/datepicker
 //= require jquery-ui/i18n/datepicker-es
+//= require jquery-fileupload/basic
 //= require foundation
 //= require turbolinks
 //= require ckeditor/loader
@@ -59,6 +60,7 @@
 //= require legislation_annotatable
 //= require watch_form_changes
 //= require followable
+//= require documentable
 //= require tree_navigator
 //= require custom
 
@@ -94,6 +96,7 @@ var initialize_modules = function() {
     App.LegislationAnnotatable.initialize();
   App.WatchFormChanges.initialize();
   App.TreeNavigator.initialize();
+  App.Documentable.initialize();
 };
 
 $(function(){

app/assets/javascripts/documentable.js.coffee

@@ -0,0 +1,101 @@
+App.Documentable =
+
+  initialize: ->
+    @initializeDirectUploads()
+    @initializeInterface()
+
+  initializeDirectUploads: ->
+
+    $('input.document_ajax_attachment[type=file]').fileupload
+
+      paramName: "document[attachment]"
+
+      formData: null
+
+      add: (e, data) ->
+        wrapper = $(e.target).closest('.document')
+        index = $(e.target).data('index')
+        is_nested_document = $(e.target).data('nested-document')
+        $(wrapper).find('.progress-bar-placeholder').empty()
+        data.progressBar = $(wrapper).find('.progress-bar-placeholder').html('<div class="progress-bar"><div class="loading-bar uploading"></div></div>')
+        $(wrapper).find('.progress-bar-placeholder').css('display','block')
+        data.formData = {
+          "document[title]": $(wrapper).find('input.document-title').val() || data.files[0].name
+          "index": index,
+          "nested_document": is_nested_document
+        }
+        data.submit()
+
+      change: (e, data) ->
+        wrapper = $(e.target).parent()
+        $.each(data.files, (index, file)->
+          $(wrapper).find('.file-name').text(file.name)
+        )
+
+      progress: (e, data) ->
+        progress = parseInt(data.loaded / data.total * 100, 10)
+        $(data.progressBar).find('.loading-bar').css 'width', progress + '%'
+        return
+
+  initializeInterface: ->
+    input_files = $('input.document_ajax_attachment[type=file]')
+
+    $.each input_files, (index, file) ->
+      wrapper = $(file).parent()
+      App.Documentable.watchRemoveDocumentbutton(wrapper)
+
+  watchRemoveDocumentbutton:  (wrapper) ->
+    remove_document_button = $(wrapper).find('.remove-document')
+    $(remove_document_button).on 'click', (e) ->
+      e.preventDefault()
+      $(wrapper).remove()
+      $('#new_document_link').show()
+      $('.max-documents-notice').hide()
+
+  uploadNestedDocument: (id, nested_document, result) ->
+    $('#' + id).replaceWith(nested_document)
+    @updateLoadingBar(id, result)
+    @initialize()
+
+  uploadPlainDocument: (id, nested_document, result) ->
+    $('#' + id).replaceWith(nested_document)
+    @updateLoadingBar(id, result)
+    @initialize()
+
+  updateLoadingBar: (id, result) ->
+    if result
+      $('#' + id).find('.loading-bar').addClass 'complete'
+    else
+      $('#' + id).find('.loading-bar').addClass 'errors'
+    $('#' + id).find('.progress-bar-placeholder').css('display','block')
+
+  new: (nested_fields) ->
+    $(".documents-list").append(nested_fields)
+    @initialize()
+
+  destroyNestedDocument: (id, notice) ->
+    $('#' + id).remove()
+    @updateNotice(notice)
+
+  replacePlainDocument: (id, notice, plain_document) ->
+    $('#' + id).replaceWith(plain_document)
+    @updateNotice(notice)
+    @initialize()
+
+  updateNotice: (notice) ->
+    if $('[data-alert]').length > 0
+      $('[data-alert]').replaceWith(notice)
+    else
+      $("body").append(notice)
+
+  updateNewDocumentButton: (link) ->
+    if $('.document').length >= $('.documents').data('max-documents')
+      $('#new_document_link').hide()
+      $('.max-documents-notice').removeClass('hide')
+      $('.max-documents-notice').show()
+    else if $('#new_document_link').length > 0
+      $('#new_document_link').replaceWith(link)
+      $('.max-documents-notice').hide()
+    else
+      $('.max-documents-notice').hide()
+      $(link).insertBefore('.documents hr:last')

app/assets/stylesheets/application.scss

@@ -15,3 +15,4 @@
 @import 'annotator_overrides';
 @import 'jquery-ui/datepicker';
 @import 'datepicker_overrides';
+@import 'documentable';

app/assets/stylesheets/documentable.scss

@@ -0,0 +1,59 @@
+.progress-bar-placeholder {
+  display: none;
+}
+
+.document-form {
+  .document .file-name {
+    margin-top: 0;
+  }
+  .progress-bar-placeholder {
+    margin-bottom: 15px;
+  }
+  .document .loading-bar.errors {
+    margin-top: $line-height * 2;
+  }
+}
+
+.document {
+  .button {
+    font-weight: normal;
+  }
+
+  .progress-bar {
+    width: 100%;
+    background-color: $light-gray;
+  }
+
+  input.document_ajax_attachment[type=file]{
+    display: none;
+  }
+
+  .file-name {
+    margin-top: $line-height / 2;
+  }
+
+  .loading-bar {
+    height: 5px;
+    width: 0;
+    transition: width 500ms ease-out;
+
+    &.uploading {
+      background-color: $dark-gray;
+    }
+
+    &.complete {
+      background-color: $success-color;
+      width: 100%;
+    }
+
+    &.errors {
+      background-color: $alert-color;
+      width: 100%;
+      margin-top: $line-height / 2;
+    }
+  }
+
+  .loading-bar.no-transition {
+    transition: none;
+  }
+}

app/assets/stylesheets/icons.scss

@@ -97,6 +97,10 @@
   content: '\72';
 }
 
+.icon-documents::before {
+  content: '\68';
+}
+
 .icon-proposals::before {
   content: '\68';
 }

app/assets/stylesheets/layout.scss

@@ -19,6 +19,7 @@
 // 17. Activity
 // 18. Banners
 // 19. Recommended Section Home
+// 20. Documents
 //
 
 // 01. Global styles
@@ -92,6 +93,11 @@ a {
   color: $link;
 }
 
+.button.hollow.error {
+  border-color: $alert-border;
+  color: $color-alert;
+}
+
 .postfix.button {
   padding: 0;
 }
@@ -2154,7 +2160,6 @@ table {
 
 .section-recommended {
   padding: $line-height * 2 0;
-  // padding-bottom: $line-height * 2;
 
   h2 {
     margin-bottom: $line-height * 2;
@@ -2278,4 +2283,124 @@ table {
     }
   }
 
+// 20. Documents
+.document-form form {
+
+  .radio-buttons {
+    label {
+      margin-right: $line-height;
+    }
+  }
+
+  .source-option-link {
+    input {
+      padding-bottom: 0;
+    }
+
+    .error {
+      margin-bottom: $line-height;
+    }
+
+    label {
+      &.error {
+        margin-bottom: 0;
+      }
+    }
+  }
+
+  .source-option-file {
+    .file-name {
+      label {
+
+        @include breakpoint(small medium) {
+          float: none;
+        }
+
+        @include breakpoint(large) {
+          float: left;
+        }
+      }
+
+      p {
+
+        @include breakpoint(small medium) {
+          float: none;
+          margin-top: 0;
+          margin-left: 0;
+          margin-bottom: 0;
+        }
+
+        @include breakpoint(large) {
+          float: left;
+          margin-bottom: 0;
+          margin-top: $line-height / 2;
+          margin-left: $line-height;
+        }
+      }
+    }
+  }
+  
+  .attachment-errors {
+    margin-bottom: $line-height;
+  }
+}
+
+.documents-list {
+
+  table {
+    border: 0;
+  }
+
+  td {
+    position: relative;
+
+    @include breakpoint(small) {
+      float: left;
+      width: 100%;
+    }
+
+    @include breakpoint(medium) {
+      float: none;
+    }
+
+    a {
+      width: 100%;
+    }
+
+    &:first-child {
+      padding-left: $line-height * 1.5;
+
+      @include breakpoint(small) {
+        width: 100%;
+      }
+
+      @include breakpoint(medium) {
+        width: 70%;
+      }
+
+      @include breakpoint(large) {
+        width: 80%;
+      }
+    }
+
+    &:first-child::before {
+      color: #007bb7;
+      content: 'G';
+      font-family: "icons" !important;
+      font-size: rem-calc(24);
+      left: rem-calc(6);
+      position: absolute;
+      top: 0;
+
+      @include breakpoint(small) {
+        padding-top: rem-calc(12);
+      }
+
+      @include breakpoint(medium) {
+        padding-top: rem-calc(22);
+      }
+
+    }
+
+  }
 }

app/assets/stylesheets/participation.scss

@@ -248,11 +248,13 @@
 .debate-form,
 .proposal-form,
 .budget-investment-form,
-.spending-proposal-form {
+.spending-proposal-form,
+.document-form {
 
   .icon-debates,
   .icon-proposals,
-  .icon-budget {
+  .icon-budget,
+  .icon-documents {
     font-size: rem-calc(50);
     line-height: $line-height;
     opacity: 0.5;
@@ -262,7 +264,8 @@
     color: $debates;
   }
 
-  .icon-proposals {
+  .icon-proposals,
+  .icon-documents {
     color: $proposals;
   }
 
@@ -294,7 +297,8 @@
   }
 }
 
-.proposal-form {
+.proposal-form,
+.document-form {
 
   .recommendations li::before {
     color: $proposals;
@@ -746,6 +750,12 @@
   display: none;
 }
 
+.document-form{
+  max-width: 75rem;
+  margin-left: auto;
+  margin-right: auto;
+}
+
 .more-info {
   clear: both;
   color: $text-medium;

app/controllers/budgets/investments_controller.rb

@@ -44,10 +44,12 @@ module Budgets
       set_comment_flags(@comment_tree.comments)
       load_investment_votes(@investment)
       @investment_ids = [@investment.id]
+      @document = Document.new(documentable: @investment)
     end
 
     def create
       @investment.author = current_user
+      recover_documents_from_cache(@investment)
 
       if @investment.save
         Mailer.budget_investment_created(@investment).deliver_later
@@ -104,7 +106,8 @@ module Budgets
 
       def investment_params
         params.require(:budget_investment).permit(:title, :description, :external_url, :heading_id, :tag_list,
-                                                  :organization_name, :location, :terms_of_service)
+                                                  :organization_name, :location, :terms_of_service,
+                                                  documents_attributes: [:id, :title, :attachment, :cached_attachment, :user_id])
       end
 
       def load_ballot

app/controllers/concerns/commentable_actions.rb

@@ -63,6 +63,8 @@ module CommentableActions
 
   def update
     resource.assign_attributes(strong_params)
+    recover_documents_from_cache(resource)
+
     if resource.save
       redirect_to resource, notice: t("flash.actions.update.#{resource_name.underscore}")
     else
@@ -115,4 +117,11 @@ module CommentableActions
       nil
     end
 
+    def recover_documents_from_cache(resource)
+      return false unless resource.try(:documents)
+      resource.documents = resource.documents.each do |document|
+        document.set_attachment_from_cached_attachment if document.cached_attachment.present?
+      end
+    end
+
 end

app/controllers/documents_controller.rb

@@ -0,0 +1,100 @@
+class DocumentsController < ApplicationController
+  before_action :authenticate_user!
+  before_filter :find_documentable, except: :destroy
+  before_filter :prepare_new_document, only: [:new, :new_nested]
+  before_filter :prepare_document_for_creation, only: :create
+
+  load_and_authorize_resource except: :upload
+  skip_authorization_check only: :upload
+
+  def new
+  end
+
+  def new_nested
+  end
+
+  def create
+    recover_attachments_from_cache
+
+    if @document.save
+      flash[:notice] = t "documents.actions.create.notice"
+      redirect_to params[:from]
+    else
+      flash[:alert] = t "documents.actions.create.alert"
+      render :new
+    end
+  end
+
+  def destroy
+    respond_to do |format|
+      format.html do
+        if @document.destroy
+          flash[:notice] = t "documents.actions.destroy.notice"
+        else
+          flash[:alert] = t "documents.actions.destroy.alert"
+        end
+        redirect_to params[:from]
+      end
+      format.js do
+        if @document.destroy
+          flash.now[:notice] = t "documents.actions.destroy.notice"
+        else
+          flash.now[:alert] = t "documents.actions.destroy.alert"
+        end
+      end
+    end
+  end
+
+  def destroy_upload
+    @document = Document.new(cached_attachment: params[:path])
+    @document.set_attachment_from_cached_attachment
+    @document.documentable = @documentable
+
+    if @document.attachment.destroy
+      flash.now[:notice] = t "documents.actions.destroy.notice"
+    else
+      flash.now[:alert] = t "documents.actions.destroy.alert"
+    end
+    render :destroy
+  end
+
+  def upload
+    @document = Document.new(document_params.merge(user: current_user))
+    @document.documentable = @documentable
+
+    if @document.valid?
+      @document.attachment.save
+      @document.set_cached_attachment_from_attachment(URI(request.url))
+    else
+      @document.attachment.destroy
+    end
+  end
+
+  private
+
+  def document_params
+    params.require(:document).permit(:title, :documentable_type, :documentable_id,
+                                     :attachment, :cached_attachment, :user_id)
+  end
+
+  def find_documentable
+    @documentable = params[:documentable_type].constantize.find_or_initialize_by(id: params[:documentable_id])
+  end
+
+  def prepare_new_document
+    @document = Document.new(documentable: @documentable, user_id: current_user.id)
+  end
+
+  def prepare_document_for_creation
+    @document = Document.new(document_params)
+    @document.documentable = @documentable
+    @document.user = current_user
+  end
+
+  def recover_attachments_from_cache
+    if @document.attachment.blank? && @document.cached_attachment.present?
+      @document.set_attachment_from_cached_attachment
+    end
+  end
+
+end

app/controllers/proposals_controller.rb

@@ -19,11 +19,13 @@ class ProposalsController < ApplicationController
   def show
     super
     @notifications = @proposal.notifications
+    @document = Document.new(documentable: @proposal)
     redirect_to proposal_path(@proposal), status: :moved_permanently if request.path != proposal_path(@proposal)
   end
 
   def create
     @proposal = Proposal.new(proposal_params.merge(author: current_user))
+    recover_documents_from_cache(@proposal)
 
     if @proposal.save
       redirect_to share_proposal_path(@proposal), notice: I18n.t('flash.actions.create.proposal')
@@ -75,7 +77,8 @@ class ProposalsController < ApplicationController
 
     def proposal_params
       params.require(:proposal).permit(:title, :question, :summary, :description, :external_url, :video_url,
-                                       :responsible_name, :tag_list, :terms_of_service, :geozone_id)
+                                       :responsible_name, :tag_list, :terms_of_service, :geozone_id,
+                                       documents_attributes: [:id, :title, :attachment, :cached_attachment, :user_id] )
     end
 
     def retired_params
@@ -121,4 +124,5 @@ class ProposalsController < ApplicationController
     def load_successful_proposals
       @proposal_successful_exists = Proposal.successful.exists?
     end
+
 end

app/helpers/documentables_helper.rb

@@ -0,0 +1,41 @@
+module DocumentablesHelper
+
+  def documentable_class(documentable)
+    documentable.class.name.parameterize('_')
+  end
+
+  def max_documents_allowed(documentable)
+    documentable.class.max_documents_allowed
+  end
+
+  def max_file_size(documentable)
+    bytesToMeg(documentable.class.max_file_size)
+  end
+
+  def accepted_content_types(documentable)
+    documentable.class.accepted_content_types
+  end
+
+  def accepted_content_types_extensions(documentable_class)
+    documentable_class.accepted_content_types
+                .collect{ |content_type| ".#{content_type.split("/").last}" }
+                .join(",")
+  end
+
+  def humanized_accepted_content_types(documentable)
+    documentable.class.accepted_content_types
+                .collect{ |content_type| content_type.split("/").last }
+                .join(", ")
+  end
+
+  def documentables_note(documentable)
+    t "documents.form.note", max_documents_allowed: max_documents_allowed(documentable),
+                             accepted_content_types: humanized_accepted_content_types(documentable),
+                             max_file_size: max_file_size(documentable)
+  end
+
+  def max_documents_allowed?(documentable)
+    documentable.documents.count >= documentable.class.max_documents_allowed
+  end
+
+end

app/helpers/documents_helper.rb

@@ -0,0 +1,89 @@
+module DocumentsHelper
+
+  def document_attachment_file_name(document)
+    document.attachment_file_name
+  end
+
+  def errors_on_attachment(document)
+    document.errors[:attachment].join(', ') if document.errors.key?(:attachment)
+  end
+
+  def bytesToMeg(bytes)
+    bytes / Numeric::MEGABYTE
+  end
+
+  def document_nested_field_name(document, index, field)
+    parent = document.documentable_type.parameterize.underscore
+    "#{parent.parameterize}[documents_attributes][#{index}][#{field}]"
+  end
+
+  def document_nested_field_id(document, index, field)
+    parent = document.documentable_type.parameterize.underscore
+    "#{parent.parameterize}_documents_attributes_#{index}_#{field}"
+  end
+
+  def document_nested_field_wrapper_id(index)
+    "document_#{index}"
+  end
+
+  def render_destroy_document_link(document, index)
+    if document.persisted?
+      link_to t('documents.form.delete_button'),
+              document_path(document, index: index, nested_document: true),
+              method: :delete,
+              remote: true,
+              data: { confirm: t('documents.actions.destroy.confirm') },
+              class: "delete float-right"
+    elsif !document.persisted? && document.cached_attachment.present?
+      link_to t('documents.form.delete_button'),
+              destroy_upload_documents_path(path: document.cached_attachment,
+                                            nested_document: true,
+                                            index: index,
+                                            documentable_type: document.documentable_type,
+                                            documentable_id: document.documentable_id),
+              method: :delete,
+              remote: true,
+              class: "delete float-right"
+    else
+      link_to t('documents.form.delete_button'),
+              "#",
+              class: "delete float-right remove-document"
+    end
+  end
+
+  def render_attachment(document, index)
+    html = file_field_tag :attachment,
+                          accept: accepted_content_types_extensions(document.documentable_type.constantize),
+                          class: 'document_ajax_attachment',
+                          data: {
+                            url: document_direct_upload_url(document),
+                            cached_attachment_input_field: document_nested_field_id(document, index, :cached_attachment),
+                            multiple: false,
+                            index: index,
+                            nested_document: true
+                          },
+                          name: document_nested_field_name(document, index, :attachment),
+                          id: document_nested_field_id(document, index, :attachment)
+    if document.attachment.blank? && document.cached_attachment.blank?
+      klass = document.errors[:attachment].any? ? "error" : ""
+      html += label_tag document_nested_field_id(document, index, :attachment),
+                       t("documents.form.attachment_label"),
+                       class: "button hollow #{klass}"
+      if document.errors[:attachment].any?
+        html += content_tag :small, class: "error" do
+          errors_on_attachment(document)
+        end
+      end
+    end
+    html
+  end
+
+  def document_direct_upload_url(document)
+    upload_documents_url(
+       documentable_type: document.documentable_type,
+       documentable_id: document.documentable_id,
+       format: :js
+     )
+  end
+
+end

app/models/abilities/administrator.rb

@@ -73,6 +73,7 @@ module Abilities
       can [:manage], ::Legislation::Question
       cannot :comment_as_moderator, [::Legislation::Question, Legislation::Annotation]
 
+      can [:create, :destroy], Document
     end
   end
 end

app/models/abilities/common.rb

@@ -36,6 +36,9 @@ module Abilities
 
       can [:create, :destroy], Follow
 
+      can [:create, :destroy, :new], Document, documentable: { author_id: user.id }
+      can [:new_nested, :upload, :destroy_upload], Document
+
       unless user.organization?
         can :vote, Debate
         can :vote, Comment

app/models/budget/investment.rb

@@ -1,12 +1,16 @@
 class Budget
   class Investment < ActiveRecord::Base
-
     include Measurable
     include Sanitizable
     include Taggable
     include Searchable
     include Reclassification
     include Followable
+    include Documentable
+    documentable max_documents_allowed: 3,
+                 max_file_size: 3.megabytes,
+                 accepted_content_types: [ "application/pdf" ]
+    accepts_nested_attributes_for :documents, allow_destroy: true
 
     acts_as_votable
     acts_as_paranoid column: :hidden_at

app/models/concerns/documentable.rb

@@ -0,0 +1,20 @@
+module Documentable
+  extend ActiveSupport::Concern
+
+  included do
+    has_many :documents, as: :documentable, dependent: :destroy
+  end
+
+  module ClassMethods
+    attr_reader :max_documents_allowed, :max_file_size, :accepted_content_types
+
+    private
+
+    def documentable(options= {})
+      @max_documents_allowed = options[:max_documents_allowed]
+      @max_file_size = options[:max_file_size]
+      @accepted_content_types = options[:accepted_content_types]
+    end
+  end
+
+end

app/models/document.rb

@@ -0,0 +1,81 @@
+class Document < ActiveRecord::Base
+  include DocumentsHelper
+  include DocumentablesHelper
+  has_attached_file :attachment, path: ":rails_root/public/system/:class/:prefix/:style/:filename"
+  attr_accessor :cached_attachment
+
+  belongs_to :user
+  belongs_to :documentable, polymorphic: true
+
+  # Disable paperclip security validation due to polymorphic configuration
+  # Paperclip do not allow to user Procs on valiations definition
+  do_not_validate_attachment_file_type :attachment
+  validate :attachment_presence
+  validate :validate_attachment_content_type,         if: -> { attachment.present? }
+  validate :validate_attachment_size,                 if: -> { attachment.present? }
+  validates :title, presence: true
+  validates :user_id, presence: true
+  validates :documentable_id, presence: true,         if: -> { persisted? }
+  validates :documentable_type, presence: true,       if: -> { persisted? }
+
+  after_save :remove_cached_document, if: -> { valid? && persisted? && cached_attachment.present? }
+
+  def set_cached_attachment_from_attachment(prefix)
+    self.cached_attachment = if Paperclip::Attachment.default_options[:storage] == :filesystem
+                               attachment.path
+                             else
+                               prefix + attachment.url
+                             end
+  end
+
+  def set_attachment_from_cached_attachment
+    self.attachment = if Paperclip::Attachment.default_options[:storage] == :filesystem
+                        File.open(cached_attachment)
+                      else
+                        URI.parse(cached_attachment)
+                      end
+  end
+
+  Paperclip.interpolates :prefix do |attachment, style|
+    attachment.instance.prefix(attachment, style)
+  end
+
+  def prefix(attachment, style)
+    if !attachment.instance.persisted?
+      "cached_attachments/user/#{attachment.instance.user_id}"
+    else
+      ":attachment/:id_partition"
+    end
+  end
+
+  private
+
+    def validate_attachment_size
+      if documentable.present? &&
+         attachment_file_size > documentable.class.max_file_size
+        errors[:attachment] = I18n.t("documents.errors.messages.in_between",
+                                      min: "0 Bytes",
+                                      max: "#{max_file_size(documentable)} MB")
+      end
+    end
+
+    def validate_attachment_content_type
+      if documentable.present? &&
+         !accepted_content_types(documentable).include?(attachment_content_type)
+        errors[:attachment] = I18n.t("documents.errors.messages.wrong_content_type",
+                                      content_type: attachment_content_type,
+                                      accepted_content_types: humanized_accepted_content_types(documentable))
+      end
+    end
+
+    def attachment_presence
+      if attachment.blank? && cached_attachment.blank?
+        errors[:attachment] = I18n.t("errors.messages.blank")
+      end
+    end
+
+    def remove_cached_document
+      File.delete(cached_attachment) if File.exists?(cached_attachment)
+    end
+
+end

app/models/proposal.rb

@@ -9,6 +9,11 @@ class Proposal < ActiveRecord::Base
   include HasPublicAuthor
   include Graphqlable
   include Followable
+  include Documentable
+  documentable max_documents_allowed: 3,
+               max_file_size: 3.megabytes,
+               accepted_content_types: [ "application/pdf" ]
+  accepts_nested_attributes_for :documents, allow_destroy: true
 
   acts_as_votable
   acts_as_paranoid column: :hidden_at

app/views/budgets/investments/_filter_subnav.html.erb

@@ -17,6 +17,14 @@
           </h3>
         <% end %>
       </li>
+      <li class="tabs-title">
+        <%= link_to "#tab-documents" do %>
+          <h3>
+            <%= t("documents.tab") %>
+            (<%= @investment.documents.count %>)
+          </h3>
+        <% end %>
+      </li>
     </ul>
   </div>
 </div>

app/views/budgets/investments/_form.html.erb

@@ -21,6 +21,10 @@
       <%= f.text_field :external_url %>
     </div>
 
+    <div class="documents small-12 column" data-max-documents="<%= Budget::Investment.max_documents_allowed %>">
+      <%= render 'documents/nested_documents', documentable: @investment %>
+    </div>
+
     <div class="small-12 column">
       <%= f.text_field :location %>
     </div>

app/views/budgets/investments/_investment_show.html.erb

@@ -4,6 +4,12 @@
     <div class="small-12 medium-9 column">
       <%= back_link_to budget_investments_path(investment.budget, heading_id: investment.heading) %>
 
+      <% if can?(:create, @document) && investment.documents.size < Budget::Investment.max_documents_allowed %>
+        <%= link_to t("documents.upload_document"),
+                    new_document_path(documentable_id:investment, documentable_type: investment.class.name, from: request.url),
+                    class: 'button hollow float-right' %>
+      <% end %>
+
       <h1><%= investment.title %></h1>
 
       <div class="budget-investment-info">
@@ -14,7 +20,6 @@
         <span class="bullet">&nbsp;&bull;&nbsp;</span>
         <%= investment.heading.name %>
       </div>
-
       <br>
       <p id="investment_code">
         <%= t("budgets.investments.show.code_html", code: investment.id) %>
@@ -51,6 +56,7 @@
         <h2><%= t('budgets.investments.show.price_explanation') %></h2>
         <p><%= investment.price_explanation %></p>
       <% end %>
+
     </div>
 
     <aside class="small-12 medium-3 column">

app/views/budgets/investments/show.html.erb

@@ -19,4 +19,11 @@
                                                             comment_flags: @comment_flags,
                                                             display_comments_count: false } %>
   </div>
+
+  <div class="tabs-panel" id="tab-documents">
+    <%= render 'documents/documents',
+                documents: @investment.documents,
+                max_documents_allowed: Budget::Investment.max_documents_allowed %>
+  </div>
+
 </div>

app/views/documents/_document.html.erb

@@ -0,0 +1,20 @@
+<tr id="<%= dom_id(document)%>">
+  <td class="document-link">
+    <%= document.title %>
+  </td>
+  <td class="text-center">
+    <%= link_to t('documents.buttons.download_document'),
+                document.attachment.url,
+                target: "_blank",
+                rel: "nofollow",
+                class: 'button hollow' %>
+  </td>
+  <td class="text-center">
+    <% if can? :destroy, Document %>
+      <%= link_to t('documents.buttons.destroy_document'),
+                    document_path(document, from: request.url), method: :delete,
+                    data: { confirm: t('documents.actions.destroy.confirm') },
+                    class: 'button hollow alert' %>
+    <% end %>
+  </td>
+</tr>

app/views/documents/_documents.html.erb

@@ -0,0 +1,35 @@
+<% if documents.any? %>
+
+  <% if documents.size == max_documents_allowed && can?(:create, Document) %>
+    <div class="row documents-list">
+      <div class="small-12 column">
+        <div class="callout warning text-center">
+          <%= t "documents.max_documents_allowed_reached_html" %>
+        </div>
+      </div>
+    </div>
+  <% end %>
+
+  <div class="row documents-list">
+    <div class="small-12 column">
+      <table>
+        <tbody>
+          <% documents.each do |document| %>
+            <%= render "documents/document", document: document %>
+          <% end %>
+        </tbody>
+      </table>
+    </div>
+  </div>
+
+<% else %>
+
+  <div class="row">
+    <div class="small-12 column">
+      <div class="callout primary text-center">
+        <%= t('documents.no_documents') %>
+      </div>
+    </div>
+  </div>
+
+<% end %>

app/views/documents/_form.html.erb

@@ -0,0 +1,20 @@
+<%= form_for @document,
+             url: documents_path(
+              documentable_type: @document.documentable_type,
+              documentable_id: @document.documentable_id,
+              from: params[:from]
+             ),
+             html: { multipart: true, class: "documentable"},
+             data: { direct_upload_url: upload_documents_url(documentable_type: @document.documentable_type, documentable_id: @document.documentable_id) } do |f| %>
+
+  <%= render 'shared/errors', resource: @document %>
+
+  <div class="row">
+
+    <%= render 'plain_fields', document: @document %>
+
+    <div class="actions small-12 medium-6 large-4 end column">
+      <%= f.submit(t("documents.form.submit_button"), class: "button expanded") %>
+    </div>
+  </div>
+<% end %>

app/views/documents/_nested_documents.html.erb

@@ -0,0 +1,22 @@
+<div class="documents-list">
+  <%= label_tag :documents, t("documents.form.title") %>
+  <p class="help-text"><%= documentables_note(documentable) %></p>
+
+  <% documentable.documents.each_with_index do |document, index| %>
+    <%= render 'documents/nested_fields', document: document, index: index, documentable: documentable %>
+  <% end %>
+</div>
+
+<% unless max_documents_allowed?(documentable) %>
+  <%= link_to t("documents.form.add_new_document"),
+              new_nested_documents_path(documentable_type: documentable.class.name, index: documentable.documents.size),
+              remote: true,
+              id: "new_document_link",
+              class: "button hollow"  %>
+<% end %>
+
+<div class="max-documents-notice callout warning text-center <%= "hide" unless max_documents_allowed?(documentable) %>">
+  <%= t "documents.max_documents_allowed_reached_html" %>
+</div>
+
+<hr>

app/views/documents/_nested_fields.html.erb

@@ -0,0 +1,31 @@
+<div id="<%= document_nested_field_wrapper_id(index) %>" class="document">
+  <%= hidden_field_tag :id,
+                       document.id,
+                       name: document_nested_field_name(document, index, :id),
+                       id: document_nested_field_id(document, index, :id) if document.persisted? %>
+  <%= hidden_field_tag :user_id,
+                       current_user.id,
+                       name: document_nested_field_name(document, index, :user_id),
+                       id: document_nested_field_id(document, index, :user_id) %>
+  <%= hidden_field_tag :cached_attachment,
+                       document.cached_attachment,
+                       name: document_nested_field_name(document, index, :cached_attachment),
+                       id: document_nested_field_id(document, index, :cached_attachment) %>
+
+  <%= label_tag :title, t("activerecord.attributes.document.title") %>
+  <%= text_field_tag :title,
+                     document.title,
+                     name: document_nested_field_name(document, index, :title),
+                     id: document_nested_field_id(document, index, :title),
+                     class: "document-title" %>
+   <% if document.errors[:title].any? %>
+     <small class="error"><%= document.errors[:title].join(", ") %></small>
+   <% end %>
+
+  <%= render_attachment(document, index) %>
+
+  <%= render_destroy_document_link(document, index) %>
+  <p class="file-name"><%= document_attachment_file_name(document) %></p>
+  <div class="progress-bar-placeholder"><div class="loading-bar"></div></div>
+  <hr>
+</div>

app/views/documents/_plain_fields.html.erb

@@ -0,0 +1,50 @@
+<div id="plain_document_fields" class="document">
+
+  <div class="small-12 column">
+    <%= label_tag :document_title, t("activerecord.attributes.document.title") %>
+    <%= text_field_tag :document_title, document.title, name: "document[title]", class: "document-title" %>
+    <% if document.errors.has_key?(:title) %>
+      <small class="error"><%= document.errors[:title].join(", ") %></small>
+    <% end %>
+  </div>
+
+  <div class="small-12 column">
+    <%= hidden_field_tag :cached_attachment, document.cached_attachment, name: "document[cached_attachment]" %>
+    <%= file_field_tag :attachment,
+                     accept: accepted_content_types_extensions(document.documentable.class),
+                     label: false,
+                     class: 'document_ajax_attachment',
+                     data: {
+                       url: upload_documents_url(documentable_type: document.documentable_type, documentable_id: document.documentable_id),
+                       cached_attachment_input_field: "document_cached_attachment",
+                       multiple: false,
+                       nested_document: false
+                     },
+                     id: "document_attachment",
+                     name: "document[attachment]" %>
+
+    <% if document.cached_attachment.blank? %>
+      <%= label_tag :document_attachment, t("documents.form.attachment_label"), class: 'button hollow' %>
+    <% else %>
+      <%= link_to t('documents.form.delete_button'),
+                  destroy_upload_documents_path(path: document.cached_attachment,
+                                                nested_document: false,
+                                                documentable_type: document.documentable_type,
+                                                documentable_id: document.documentable_id),
+                  method: :delete,
+                  remote: true,
+                  class: "delete float-right" %>
+    <% end %>
+
+    <% if document.errors.has_key?(:attachment) %>
+      <div class="small-12 column source-option-file">
+        <div class="attachment-errors">
+          <small class="error"><%= errors_on_attachment(document) %></small>
+        </div>
+      </div>
+    <% end %>
+    <p class="file-name"><%= document_attachment_file_name(document) %></p>
+    <div class="progress-bar-placeholder"><div class="loading-bar"></div></div>
+  </div>
+
+</div>

app/views/documents/destroy.js.erb

@@ -0,0 +1,17 @@
+<% if params[:nested_document] == "true" %>
+
+  App.Documentable.destroyNestedDocument("<%= document_nested_field_wrapper_id(params[:index]) %>", "<%= j render('layouts/flash') %>")
+  <% new_document_link = link_to t("documents.form.add_new_document"),
+                                 new_nested_documents_path(documentable_type: @document.documentable_type, index: params[:index]),
+                                 remote: true,
+                                 id: "new_document_link",
+                                 class: "button hollow" %>
+  App.Documentable.updateNewDocumentButton("<%= j new_document_link %>")
+
+<% else %>
+
+  App.Documentable.replacePlainDocument("plain_document_fields",
+                                        "<%= j render('layouts/flash') %>",
+                                        "<%= j render('plain_fields', document: @document) %>")
+
+<% end %>

app/views/documents/new.html.erb

@@ -0,0 +1,27 @@
+<div class="document-form <%= documentable_class(@document.documentable) %> row">
+
+  <div class="small-12 medium-9 column">
+    <%= back_link_to params[:from] %>
+    <h1><%= t("documents.new.title") %></h1>
+    <%= render "documents/form", form_url: documents_url %>
+  </div>
+
+  <div class="small-12 medium-3 column">
+    <span class="icon-documents float-right"></span>
+    <h2><%= t("documents.recommendations_title") %></h2>
+    <ul class="recommendations">
+      <li>
+        <%= t "documents.recommendation_one_html",
+                max_documents_allowed: max_documents_allowed(@document.documentable) %>
+      </li>
+      <li>
+        <%= t "documents.recommendation_two_html",
+              accepted_content_types: humanized_accepted_content_types(@document.documentable) %>
+      </li>
+      <li>
+        <%= t "documents.recommendation_three_html",
+              max_file_size: max_file_size(@document.documentable) %>
+      </li>
+    </ul>
+  </div>
+</div>

app/views/documents/new_nested.js.erb

@@ -0,0 +1,9 @@
+<%
+  new_document_link = link_to t("documents.form.add_new_document"),
+                              new_nested_documents_path(documentable_type: params[:documentable_type], index: params[:index].to_i + 1),
+                              remote: true,
+                              id: "new_document_link",
+                              class: "button hollow"
+%>
+App.Documentable.new("<%= j render('documents/nested_fields', document: @document, index: params[:index]) %>")
+App.Documentable.updateNewDocumentButton("<%= j new_document_link %>")

app/views/documents/upload.js.erb

@@ -0,0 +1,12 @@
+<% if params[:nested_document] == "true" %>
+
+  App.Documentable.uploadNestedDocument("<%= document_nested_field_wrapper_id(params[:index]) %>",
+                                        "<%= j render('documents/nested_fields', document: @document, index: params[:index]) %>",
+                                        <%= @document.cached_attachment.present? %>)
+<% else %>
+
+  App.Documentable.uploadPlainDocument("plain_document_fields",
+                                       "<%= j render('documents/plain_fields', document: @document) %>",
+                                       <%= @document.cached_attachment.present? %>)
+
+<% end %>

app/views/proposals/_filter_subnav.html.erb

@@ -17,6 +17,14 @@
         </h3>
       <% end %>
       </li>
+      <li class="tabs-title">
+        <%= link_to "#tab-documents" do %>
+          <h3>
+            <%= t("documents.tab") %>
+            (<%= @proposal.documents.count %>)
+          </h3>
+        <% end %>
+      </li>
     </ul>
   </div>
 </div>

app/views/proposals/_form.html.erb

@@ -34,7 +34,6 @@
       <%= f.cktext_area :description, maxlength: Proposal.description_max_length, ckeditor: { language: I18n.locale }, label: false %>
     </div>
 
-
     <div class="small-12 column">
       <%= f.label :video_url, t("proposals.form.proposal_video_url") %>
       <p class="help-text" id="video-url-help-text"><%= t("proposals.form.proposal_video_url_note") %></p>
@@ -47,6 +46,10 @@
       <%= f.text_field :external_url, placeholder: t("proposals.form.proposal_external_url"), label: false %>
     </div>
 
+    <div class="documents small-12 column" data-max-documents="<%= Proposal.max_documents_allowed %>">
+      <%= render 'documents/nested_documents', documentable: @proposal %>
+    </div>
+
     <div class="small-12 medium-6 column">
       <%= f.label :geozone_id,  t("proposals.form.geozone") %>
       <%= f.select :geozone_id, geozone_select_options, {include_blank: t("geozones.none"), label: false} %>

app/views/proposals/show.html.erb

@@ -16,6 +16,12 @@
       <div class="small-12 medium-9 column">
         <%= back_link_to %>
 
+        <% if can?(:create, @document) && @proposal.documents.size < Proposal.max_documents_allowed %>
+          <%= link_to t("documents.upload_document"),
+                      new_document_path(documentable_id: @proposal, documentable_type: @proposal.class.name, from: request.url),
+                      class: 'button hollow float-right' %>
+        <% end %>
+
         <% if author_of?(@proposal, current_user) %>
           <%= link_to t("proposals.show.send_notification"), new_proposal_notification_path(proposal_id: @proposal.id),
                       class: 'button hollow float-right' %>
@@ -165,4 +171,10 @@
   <div class="tabs-panel is-active" id="tab-comments">
     <%= render "proposals/comments" %>
   </div>
+
+  <div class="tabs-panel" id="tab-documents">
+    <%= render 'documents/documents',
+                documents: @proposal.documents,
+                max_documents_allowed: Proposal.max_documents_allowed %>
+  </div>
 </div>

config/i18n-tasks.yml

@@ -37,6 +37,7 @@ data:
     - config/locales/%{locale}/officing.yml
     - config/locales/%{locale}/budgets.yml
     - config/locales/%{locale}/legislation.yml
+    - config/locales/%{locale}/documents.yml
 
   # Locale files to write new keys to, based on a list of key pattern => file rules. Matched from top to bottom:
   # `i18n-tasks normalize -p` will force move the keys according to these rules

config/locales/en/activerecord.yml

@@ -76,6 +76,9 @@ en:
       legislation/answers:
         one: "Answer"
         other: "Answers"
+      documents:
+        one: "Document"
+        other: "Documents"
     attributes:
       budget:
         name: "Name"
@@ -197,6 +200,9 @@ en:
         value: Value
       legislation/annotation:
         text: Comment
+      document:
+        title: Title
+        attachment: Attachment
     errors:
       models:
         user:

config/locales/en/documents.yml

@@ -0,0 +1,35 @@
+en:
+  documents:
+    tab: Documents
+    no_documents: Don't have uploaded documents
+    upload_document: Upload document
+    max_documents_allowed_reached_html: You have reached the maximum number of documents allowed! <strong>You have to delete one before you can upload another.</strong>
+    form:
+      title: Documents
+      attachment_label: Choose document
+      submit_button: Upload document
+      delete_button: Remove document
+      note: "You can upload up to a maximum of %{max_documents_allowed} documents of following content types: %{accepted_content_types}, up to %{max_file_size} MB per file."
+      add_new_document: Add new document
+    new:
+      title: Upload document
+    recommendations_title: File upload tips
+    recommendation_one_html: You can upload up to a <strong>maximum of %{max_documents_allowed} documents</strong>.
+    recommendation_two_html: You can upload <strong>%{accepted_content_types}</strong> files.
+    recommendation_three_html: You can upload files up to <strong>%{max_file_size} MB</strong>.
+
+    actions:
+      create:
+        notice: Document was created successfully.
+        alert: Cannot create document. Check form errors and try again.
+      destroy:
+        notice: Document was deleted successfully.
+        alert: Cannot destroy document.
+        confirm: Are you sure you want to delete the document? This action cannot be undone!
+    buttons:
+      download_document: Dowload file
+      destroy_document: Destroy
+    errors:
+      messages:
+        in_between: must be in between %{min} and %{max}
+        wrong_content_type: content type %{content_type} does not match any of accepted content types %{accepted_content_types}

config/locales/en/general.yml

@@ -181,6 +181,7 @@ en:
     user: Account
     verification/sms: phone
     signature_sheet: Signature sheet
+    document: Document
   geozones:
     none: All city
     all: All scopes

config/locales/es/activerecord.yml

@@ -76,6 +76,9 @@ es:
       legislation/answers:
         one: "Respuesta"
         other: "Respuestas"
+      documents:
+        one: "Documento"
+        other: "Documentos"
     attributes:
       budget:
         name: "Nombre"
@@ -192,6 +195,9 @@ es:
         value: Valor
       legislation/annotation:
         text: Comentario
+      document:
+        title: Título
+        attachment: Archivo adjunto
     errors:
       models:
         user:

config/locales/es/documents.yml

@@ -0,0 +1,34 @@
+es:
+  documents:
+    tab: Documentos
+    no_documents: No hay documentos subidos
+    upload_document: Subir documento
+    max_documents_allowed_reached_html: ¡Has alcanzado el número máximo de documentos permitidos! <strong>Tienes que eliminar uno antes de poder subir otro.</strong>
+    form:
+      title: Documentos
+      attachment_label: Selecciona un documento
+      submit_button: Subir documento
+      delete_button: Eliminar documento
+      note: "Puedes subir hasta un máximo de %{max_documents_allowed} documentos en los formatos: %{accepted_content_types}, y de hasta %{max_file_size} MB por archivo."
+      add_new_document: Añadir nuevo documento
+    new:
+      title: Subir un documento
+    recommendations_title: Consejos para subir archivos
+    recommendation_one_html: Puedes subir hasta un máximo de <strong>%{max_documents_allowed} documentos</strong>
+    recommendation_two_html: Sólo puedes subir <strong>archivos %{accepted_content_types}</strong>.
+    recommendation_three_html: Puedes subir archivos de hasta <strong>%{max_file_size}  MB</strong>
+    actions:
+      create:
+        notice: "El documento se ha creado correctamente."
+        alert: "El documento no se ha podido crear. Revise los errores del formulario."
+      destroy:
+        notice: "El documento se ha eliminado correctamente."
+        alert: "El documento no se ha podido eliminar."
+        confirm: "¿Está seguro de que desea eliminar el documento? Esta acción no se puede deshacer!"
+    buttons:
+      download_document: Descargar archivo
+      destroy_document: Eliminar
+    errors:
+      messages:
+        in_between: debe estar entre %{min} y %{max}
+        wrong_content_type: El tipo de contenido %{content_type} del archivo no coincide con ninguno de los tipos de contenido aceptados %{accepted_content_types}

config/locales/es/general.yml

@@ -181,6 +181,7 @@ es:
     user: la cuenta
     verification/sms: el teléfono
     signature_sheet: la hoja de firmas
+    document: el documento
   geozones:
     none: Toda la ciudad
     all: Todos los ámbitos de actuación

config/routes.rb

@@ -95,6 +95,14 @@ Rails.application.routes.draw do
 
   resources :follows, only: [:create, :destroy]
 
+  resources :documents, only: [:new, :create, :destroy] do
+    collection do
+      get :new_nested
+      delete :destroy_upload
+      post :upload
+    end
+  end
+
   resources :stats, only: [:index]
 
   resources :legacy_legislations, only: [:show], path: 'legislations'

db/migrate/20170720092638_create_documents.rb

@@ -0,0 +1,14 @@
+class CreateDocuments < ActiveRecord::Migration
+  def change
+    create_table :documents do |t|
+      t.string :title
+      t.attachment :attachment
+      t.references :user, index: true, foreign_key: true
+      t.references :documentable, polymorphic: true, index: true
+
+      t.timestamps null: false
+    end
+
+    add_index :documents, [:user_id, :documentable_type, :documentable_id], name: "access_documents"
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170719174326) do
+ActiveRecord::Schema.define(version: 20170720092638) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -298,6 +298,23 @@ ActiveRecord::Schema.define(version: 20170719174326) do
     t.datetime "updated_at",  null: false
   end
 
+  create_table "documents", force: :cascade do |t|
+    t.string   "title"
+    t.string   "attachment_file_name"
+    t.string   "attachment_content_type"
+    t.integer  "attachment_file_size"
+    t.datetime "attachment_updated_at"
+    t.integer  "user_id"
+    t.integer  "documentable_id"
+    t.string   "documentable_type"
+    t.datetime "created_at",              null: false
+    t.datetime "updated_at",              null: false
+  end
+
+  add_index "documents", ["documentable_type", "documentable_id"], name: "index_documents_on_documentable_type_and_documentable_id", using: :btree
+  add_index "documents", ["user_id", "documentable_type", "documentable_id"], name: "access_documents", using: :btree
+  add_index "documents", ["user_id"], name: "index_documents_on_user_id", using: :btree
+
   create_table "failed_census_calls", force: :cascade do |t|
     t.integer  "user_id"
     t.string   "document_number"
@@ -1014,6 +1031,7 @@ ActiveRecord::Schema.define(version: 20170719174326) do
   add_foreign_key "administrators", "users"
   add_foreign_key "annotations", "legacy_legislations"
   add_foreign_key "annotations", "users"
+  add_foreign_key "documents", "users"
   add_foreign_key "failed_census_calls", "poll_officers"
   add_foreign_key "failed_census_calls", "users"
   add_foreign_key "flags", "users"

spec/factories.rb

@@ -368,6 +368,20 @@ FactoryGirl.define do
     end
   end
 
+  factory :document do
+    sequence(:title) { |n| "Document title #{n}" }
+    association :user, factory: :user
+    attachment { File.new("spec/fixtures/files/empty.pdf") }
+
+    trait :proposal_document do
+      association :documentable, factory: :proposal
+    end
+
+    trait :budget_investment_document do
+      association :documentable, factory: :budget_investment
+    end
+  end
+
   factory :comment do
     association :commentable, factory: :debate
     user

spec/features/budgets/investments_spec.rb

@@ -429,7 +429,17 @@ feature 'Budget Investments' do
     end
   end
 
-  it_behaves_like "followable", "budget_investment", "budget_investment_path", {"budget_id": "budget_id", "id": "id"}
+  it_behaves_like "followable", "budget_investment", "budget_investment_path", { "budget_id": "budget_id", "id": "id" }
+
+  it_behaves_like "documentable", "budget_investment", "budget_investment_path", {"budget_id": "budget_id", "id": "id"}
+
+  it_behaves_like "nested documentable",
+                  "budget_investment",
+                  "new_budget_investment_path",
+                  { "budget_id": "budget_id" },
+                  "fill_new_valid_budget_investment",
+                  "Create Investment",
+                  "Budget Investment created successfully."
 
   context "Destroy" do
 

spec/features/proposals_spec.rb

@@ -1317,6 +1317,24 @@ feature 'Proposals' do
 
   it_behaves_like "followable", "proposal", "proposal_path", { "id": "id" }
 
+  it_behaves_like "documentable", "proposal", "proposal_path", { "id": "id" }
+
+  it_behaves_like "nested documentable",
+                  "proposal",
+                  "new_proposal_path",
+                  { },
+                  "fill_new_valid_proposal",
+                  "Create proposal",
+                  "Proposal created successfully"
+
+  it_behaves_like "nested documentable",
+                  "proposal",
+                  "edit_proposal_path",
+                  { "id": "id" },
+                  nil,
+                  "Save changes",
+                  "Proposal updated successfully"
+
   scenario 'Erased author' do
     user = create(:user)
     proposal = create(:proposal, author: user)

spec/models/abilities/administrator_spec.rb

@@ -12,8 +12,12 @@ describe "Abilities::Administrator" do
   let(:debate) { create(:debate) }
   let(:comment) { create(:comment) }
   let(:proposal) { create(:proposal) }
+  let(:budget_investment) { create(:budget_investment) }
   let(:legislation_question) { create(:legislation_question) }
 
+  let(:proposal_document) { build(:document, documentable: proposal) }
+  let(:budget_investment_document) { build(:document, documentable: budget_investment) }
+
   let(:hidden_debate) { create(:debate, :hidden) }
   let(:hidden_comment) { create(:comment, :hidden) }
   let(:hidden_proposal) { create(:proposal, :hidden) }
@@ -71,4 +75,12 @@ describe "Abilities::Administrator" do
 
   it { should be_able_to(:valuate, create(:budget_investment, budget: create(:budget, phase: 'valuating'))) }
   it { should be_able_to(:valuate, create(:budget_investment, budget: create(:budget, phase: 'finished'))) }
+
+  it { should be_able_to(:new, proposal_document) }
+  it { should be_able_to(:create, proposal_document) }
+  it { should be_able_to(:destroy, proposal_document) }
+
+  it { should be_able_to(:new, budget_investment_document) }
+  it { should be_able_to(:create, budget_investment_document) }
+  it { should be_able_to(:destroy, budget_investment_document) }
 end

spec/models/abilities/common_spec.rb

@@ -54,6 +54,11 @@ describe "Abilities::Common" do
   let(:incoming_poll_question_from_other_geozone) { create(:poll_question, poll: incoming_poll_from_other_geozone) }
   let(:incoming_poll_question_from_all_geozones)  { create(:poll_question, poll: incoming_poll) }
 
+  let(:own_proposal_document)          { build(:document, documentable: own_proposal) }
+  let(:proposal_document)              { build(:document, documentable: proposal) }
+  let(:own_budget_investment_document) { build(:document, documentable: own_investment_in_accepting_budget) }
+  let(:budget_investment_document)     { build(:document, documentable: investment_in_accepting_budget) }
+
   it { should be_able_to(:index, Debate) }
   it { should be_able_to(:show, debate)  }
   it { should be_able_to(:vote, debate)  }
@@ -82,6 +87,25 @@ describe "Abilities::Common" do
   it { should_not be_able_to(:create, DirectMessage) }
   it { should_not be_able_to(:show,   DirectMessage) }
 
+  it { should  be_able_to(:new_nested, Document) }
+  it { should  be_able_to(:destroy_upload, Document) }
+
+  it { should be_able_to(:new, own_proposal_document) }
+  it { should be_able_to(:create, own_proposal_document) }
+  it { should be_able_to(:destroy, own_proposal_document) }
+
+  it { should_not be_able_to(:new, proposal_document) }
+  it { should_not be_able_to(:create, proposal_document) }
+  it { should_not be_able_to(:destroy, proposal_document) }
+
+  it { should be_able_to(:new, own_budget_investment_document) }
+  it { should be_able_to(:create, own_budget_investment_document) }
+  it { should be_able_to(:destroy, own_budget_investment_document) }
+
+  it { should_not be_able_to(:new, budget_investment_document) }
+  it { should_not be_able_to(:create, budget_investment_document) }
+  it { should_not be_able_to(:destroy, budget_investment_document) }
+
   describe 'flagging content' do
     it { should be_able_to(:flag, debate)   }
     it { should be_able_to(:unflag, debate) }

spec/models/document_spec.rb

@@ -0,0 +1,8 @@
+require 'rails_helper'
+
+describe Document do
+
+  it_behaves_like "document validations", "budget_investment_document"
+  it_behaves_like "document validations", "proposal_document"
+
+end

spec/shared/features/documentable.rb

@@ -0,0 +1,404 @@
+shared_examples "documentable" do |documentable_factory_name, documentable_path, documentable_path_arguments|
+  include ActionView::Helpers
+  include DocumentsHelper
+  include DocumentablesHelper
+
+  let!(:administrator)          { create(:user) }
+  let!(:user)                   { create(:user) }
+  let!(:arguments)              { {} }
+  let!(:documentable)           { create(documentable_factory_name, author: user) }
+  let!(:documentable_dom_name)  { documentable_factory_name.parameterize }
+
+  before do
+    create(:administrator, user: administrator)
+
+    documentable_path_arguments.each do |argument_name, path_to_value|
+      arguments.merge!("#{argument_name}": documentable.send(path_to_value))
+    end
+  end
+
+  context "Show" do
+
+    scenario "Should not display upload document button when there is no logged user" do
+      visit send(documentable_path, arguments)
+
+      within "##{dom_id(documentable)}" do
+        expect(page).not_to have_link("Upload document")
+      end
+    end
+
+    scenario "Should not display upload document button when maximum number of documents reached " do
+      create_list(:document, 3, documentable: documentable)
+      visit send(documentable_path, arguments)
+
+      within "##{dom_id(documentable)}" do
+        expect(page).not_to have_link("Upload document")
+      end
+    end
+
+    scenario "Should display upload document button when user is logged in and is documentable owner" do
+      login_as(user)
+
+      visit send(documentable_path, arguments)
+
+      within "##{dom_id(documentable)}" do
+        expect(page).to have_link("Upload document")
+      end
+    end
+
+    scenario "Should display upload document button when admin is logged in" do
+      login_as(administrator)
+
+      visit send(documentable_path, arguments)
+
+      within "##{dom_id(documentable)}" do
+        expect(page).to have_link("Upload document")
+      end
+    end
+
+    scenario "Should navigate to new document page when click un upload button" do
+      login_as(user)
+
+      visit send(documentable_path, arguments)
+      click_link  "Upload document"
+
+      expect(page).to have_selector("h1", text: "Upload document")
+    end
+
+    describe "Documents tab" do
+
+      let!(:document) { create(:document, documentable: documentable, user: documentable.author)}
+
+      scenario "Should not display maximum number of documents alert when reached for users without document creation permission" do
+        create_list(:document, 2, documentable: documentable)
+        visit send(documentable_path, arguments)
+
+        within "#tab-documents" do
+          expect(page).not_to have_content "You have reached the maximum number of documents allowed! You have to delete one before you can upload another."
+        end
+      end
+
+      scenario "Should display maximum number of documents alert when reached and when current user has document creation permission" do
+        login_as documentable.author
+        create_list(:document, 2, documentable: documentable)
+        visit send(documentable_path, arguments)
+
+        within "#tab-documents" do
+          expect(page).to have_content "You have reached the maximum number of documents allowed! You have to delete one before you can upload another."
+        end
+      end
+
+      scenario "Download action should be able to anyone" do
+        visit send(documentable_path, arguments)
+
+        within "#tab-documents" do
+          expect(page).to have_link("Dowload file")
+        end
+      end
+
+      scenario "Download file link should have blank target attribute" do
+        visit send(documentable_path, arguments)
+
+        within "#tab-documents" do
+          expect(page).to have_selector("a[target=_blank]", text: "Dowload file")
+        end
+      end
+
+      scenario "Download file links should have rel attribute setted to no follow" do
+        visit send(documentable_path, arguments)
+
+        within "#tab-documents" do
+          expect(page).to have_selector("a[rel=nofollow]", text: "Dowload file")
+        end
+      end
+
+      describe "Destroy action" do
+
+        scenario "Should not be able when no user logged in" do
+          visit send(documentable_path, arguments)
+
+          within "#tab-documents" do
+            expect(page).not_to have_link("Destroy")
+          end
+        end
+
+        scenario "Should be able when documentable author is logged in" do
+          login_as documentable.author
+          visit send(documentable_path, arguments)
+
+          within "#tab-documents" do
+            expect(page).to have_link("Destroy")
+          end
+        end
+
+        scenario "Should be able when any administrator logged in" do
+          login_as administrator
+          visit send(documentable_path, arguments)
+
+          within "#tab-documents" do
+            expect(page).to have_link("Destroy")
+          end
+        end
+
+      end
+
+    end
+
+  end
+
+  context "New" do
+
+    scenario "Should not be able for unathenticated users" do
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      expect(page).to have_content("You must sign in or register to continue.")
+    end
+
+    scenario "Should not be able for other users" do
+      login_as create(:user)
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      expect(page).to have_content("You do not have permission to carry out the action 'new' on document. ")
+    end
+
+    scenario "Should be able to documentable author" do
+      login_as documentable.author
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      expect(page).to have_selector("h1", text: "Upload document")
+    end
+
+    scenario "Should display file name after file selection", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf", make_visible: true
+      sleep 1
+
+      expect(page).to have_content "empty.pdf"
+    end
+
+    scenario "Should not display file name after file selection", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/logo_header.png", make_visible: true
+      sleep 1
+
+      expect(page).not_to have_content "logo_header.jpg"
+    end
+
+    scenario "Should update loading bar style after valid file upload", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf", make_visible: true
+      sleep 1
+
+      expect(page).to have_selector ".loading-bar.complete"
+    end
+
+    scenario "Should update loading bar style after unvalid file upload", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/logo_header.png", make_visible: true
+      sleep 1
+
+      expect(page).to have_selector ".loading-bar.errors"
+    end
+
+    scenario "Should update document title with attachment original file name after file selection if no title defined by user", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf", make_visible: true
+      sleep 1
+
+      expect(find("input[name='document[title]']").value).to eq("empty.pdf")
+    end
+
+    scenario "Should not update document title with attachment original file name after file selection when title already defined by user", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      fill_in :document_title, with: "My custom title"
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf", make_visible: true
+      sleep 1
+
+      expect(find("input[name='document[title]']").value).to eq("My custom title")
+    end
+
+    scenario "Should update document cached_attachment field after valid file upload", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf", make_visible: true
+      sleep 1
+
+      expect(find("input[name='document[cached_attachment]']", visible: false).value).to include("empty.pdf")
+    end
+
+    scenario "Should not update document cached_attachment field after unvalid file upload", :js do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      attach_file :document_attachment, "spec/fixtures/files/logo_header.png", make_visible: true
+      sleep 1
+
+      expect(find("input[name='document[cached_attachment]']", visible: false).value).to eq ""
+    end
+
+    scenario "Should show documentable custom recomentations" do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id,
+                              from: send(documentable_path, arguments))
+
+      expect(page).to have_content "You can upload up to a maximum of #{max_file_size(documentable)} documents."
+      expect(page).to have_content "You can upload #{humanized_accepted_content_types(documentable)} files."
+      expect(page).to have_content "You can upload files up to #{max_file_size(documentable)} MB."
+    end
+
+  end
+
+  context "Create" do
+
+    scenario "Should show validation errors" do
+      login_as documentable.author
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id)
+
+      click_on "Upload document"
+
+      expect(page).to have_content "2 errors prevented this Document from being saved: "
+      expect(page).to have_selector "small.error", text: "can't be blank", count: 2
+    end
+
+    scenario "Should show error notice after unsuccessfull document upload" do
+      login_as documentable.author
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id,
+                              from: send(documentable_path, arguments))
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf"
+      sleep 1
+      click_on "Upload document"
+
+      expect(page).to have_content "Cannot create document. Check form errors and try again."
+    end
+
+    scenario "Should show success notice after successfull document upload" do
+      login_as documentable.author
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id,
+                              from: send(documentable_path, arguments))
+      fill_in :document_title, with: "Document title"
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf"
+      sleep 1
+      click_on "Upload document"
+
+      expect(page).to have_content "Document was created successfully."
+    end
+
+    scenario "Should redirect to documentable path after successfull document upload" do
+      login_as documentable.author
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id,
+                              from: send(documentable_path, arguments))
+      fill_in :document_title, with: "Document title"
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf"
+      sleep 1
+      click_on "Upload document"
+
+      within "##{dom_id(documentable)}" do
+        expect(page).to have_selector "h1", text: documentable.title
+      end
+    end
+
+    scenario "Should show new document on documentable documents tab after successfull document upload" do
+      login_as documentable.author
+
+      visit new_document_path(documentable_type: documentable.class.name,
+                              documentable_id: documentable.id,
+                              from: send(documentable_path, arguments))
+      fill_in :document_title, with: "Document title"
+      attach_file :document_attachment, "spec/fixtures/files/empty.pdf"
+      sleep 1
+      click_on "Upload document"
+
+      expect(page).to have_link "Documents (1)"
+      within "#tab-documents" do
+        within "#document_#{Document.last.id}" do
+          expect(page).to have_content "Document title"
+          expect(page).to have_link "Dowload file"
+          expect(page).to have_link "Destroy"
+        end
+      end
+    end
+
+  end
+
+  context "Destroy" do
+
+    let!(:document) { create(:document, documentable: documentable, user: documentable.author) }
+
+    scenario "Should show success notice after successfull document upload" do
+      login_as documentable.author
+
+      visit send(documentable_path, arguments)
+      within "#tab-documents" do
+        within "#document_#{document.id}" do
+          click_on "Destroy"
+        end
+      end
+
+      expect(page).to have_content "Document was deleted successfully."
+    end
+
+    scenario "Should update documents tab count after successful deletion" do
+      login_as documentable.author
+
+      visit send(documentable_path, arguments)
+      within "#tab-documents" do
+        within "#document_#{document.id}" do
+          click_on "Destroy"
+        end
+      end
+
+      expect(page).to have_link "Documents (0)"
+    end
+
+    scenario "Should redirect to documentable path after successful deletion" do
+      login_as documentable.author
+
+      visit send(documentable_path, arguments)
+      within "#tab-documents" do
+        within "#document_#{document.id}" do
+          click_on "Destroy"
+        end
+      end
+
+      within "##{dom_id(documentable)}" do
+        expect(page).to have_selector "h1", text: documentable.title
+      end
+    end
+
+  end
+
+end

spec/shared/features/nested_documentable.rb

@@ -0,0 +1,265 @@
+shared_examples "nested documentable" do |documentable_factory_name, path, documentable_path_arguments, fill_resource_method_name, submit_button, documentable_success_notice|
+  include ActionView::Helpers
+  include DocumentsHelper
+  include DocumentablesHelper
+
+  let!(:administrator)          { create(:user) }
+  let!(:user)                   { create(:user, :level_two) }
+  let!(:arguments)              { {} }
+  let!(:documentable)           { create(documentable_factory_name, author: user) }
+
+  before do
+    create(:administrator, user: administrator)
+
+    if documentable_path_arguments
+      documentable_path_arguments.each do |argument_name, path_to_value|
+        arguments.merge!("#{argument_name}": documentable.send(path_to_value))
+      end
+    end
+  end
+
+  describe "at #{path}" do
+
+    scenario "Should show new document link when max documents allowed limit is not reached" do
+      login_as user
+      visit send(path, arguments)
+
+      expect(page).to have_selector "#new_document_link", visible: true
+    end
+
+    scenario "Should not show new document link when documentable max documents allowed limit is reached", :js do
+      login_as user
+      visit send(path, arguments)
+
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+
+      expect(page).to have_selector "#new_document_link", visible: false
+    end
+
+    scenario "Should not show max documents warning when no documents added", :js do
+      login_as user
+      visit send(path, arguments)
+
+      expect(page).to have_selector ".max-documents-notice", visible: false
+    end
+
+    scenario "Should show max documents warning when max documents allowed limit is reached", :js do
+      login_as user
+      visit send(path, arguments)
+
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+
+      expect(page).to have_selector ".max-documents-notice", visible: true
+    end
+
+    scenario "Should hide max documents warning after any document removal", :js do
+      login_as user
+      visit send(path, arguments)
+
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+      sleep 1
+      click_link "Add new document"
+      sleep 1
+      within "#document_0" do
+        find("a", text: "Remove document").click
+      end
+      sleep 1
+
+      expect(page).to have_selector ".max-documents-notice", visible: false
+    end
+
+    scenario "Should update nested document file name after choosing a file", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+
+      expect(page).to have_selector ".file-name", text: "empty.pdf"
+    end
+
+    scenario "Should update nested document file title with file name after choosing a file when no title defined", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+
+      expect(find("##{documentable_factory_name}_documents_attributes_0_title").value).to eq "empty.pdf"
+    end
+
+    scenario "Should not update nested document file title with file name after choosing a file when title already defined", :js do
+      login_as user
+      visit send(path, arguments)
+
+      click_link "Add new document"
+      sleep 1
+      fill_in "#{documentable_factory_name}[documents_attributes][0][title]", with: "Title"
+      attach_file("#{documentable_factory_name}[documents_attributes][0][attachment]", "spec/fixtures/files/empty.pdf", make_visible: true)
+      sleep 1
+
+      expect(find("##{documentable_factory_name}_documents_attributes_0_title").value).to eq "Title"
+    end
+
+    scenario "Should update loading bar style after valid file upload", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+      fill_in "#{documentable_factory_name}[documents_attributes][0][title]", with: "Title"
+
+      expect(page).to have_selector ".loading-bar.complete"
+    end
+
+    scenario "Should update loading bar style after unvalid file upload", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/logo_header.png")
+
+      expect(page).to have_selector ".loading-bar.errors"
+    end
+
+    scenario "Should update document cached_attachment field after valid file upload", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+
+      expect(find("input[name='#{documentable_factory_name}[documents_attributes][0][cached_attachment]']", visible: false).value).to include("empty.pdf")
+    end
+
+    scenario "Should not update document cached_attachment field after unvalid file upload", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/logo_header.png")
+
+      expect(find("input[name='#{documentable_factory_name}[documents_attributes][0][cached_attachment]']", visible: false).value).to eq ""
+    end
+
+    scenario "Should show document errors after unvalid file upload", :js do
+      login_as user
+      visit send(path, arguments)
+
+      click_link "Add new document"
+      sleep 1
+      click_on submit_button
+
+      within "#document_0" do
+        expect(page).to have_content("can't be blank", count: 2)
+      end
+    end
+
+    scenario "Should delete document after valid file upload and click on remove button", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+      within "#document_0" do
+        click_link "Remove document"
+      end
+
+      expect(page).not_to have_selector("#document_0")
+    end
+
+    scenario "Should delete document after valid file upload and click on remove button", :js do
+      login_as user
+      visit send(path, arguments)
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+      within "#document_0" do
+        click_link "Remove document"
+      end
+
+      expect(page).to have_content "Document was deleted successfully."
+    end
+
+    scenario "Should show successful notice when resource filled correctly without any nested documents", :js do
+      login_as user
+      visit send(path, arguments)
+      send(fill_resource_method_name) if fill_resource_method_name
+
+      click_on submit_button
+      expect(page).to have_content documentable_success_notice
+    end
+
+    scenario "Should show successful notice when resource filled correctly and after valid file uploads", :js do
+      login_as user
+      visit send(path, arguments)
+      send(fill_resource_method_name) if fill_resource_method_name
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+
+      click_on submit_button
+      expect(page).to have_content documentable_success_notice
+    end
+
+    scenario "Should show new document after successful creation with one uploaded file", :js do
+      login_as user
+      visit send(path, arguments)
+      send(fill_resource_method_name) if fill_resource_method_name
+
+      attach_new_file(documentable_factory_name, 0, "spec/fixtures/files/empty.pdf")
+
+      click_on submit_button
+      redirected_to_resource_show_or_navigate_to
+
+      expect(page).to have_content "Documents (1)"
+    end
+
+    scenario "Should show resource with new document after successful creation with maximum allowed uploaded files", :js do
+      login_as user
+      visit send(path, arguments)
+      send(fill_resource_method_name) if fill_resource_method_name
+
+      documentable.class.max_documents_allowed.times.each do |index|
+        attach_new_file(documentable_factory_name, index , "spec/fixtures/files/empty.pdf")
+      end
+
+      click_on submit_button
+      redirected_to_resource_show_or_navigate_to
+
+      expect(page).to have_content "Documents (#{documentable.class.max_documents_allowed})"
+    end
+
+  end
+
+end
+
+def redirected_to_resource_show_or_navigate_to
+  find("a", text: "Not now, go to my proposal")
+  click_on "Not now, go to my proposal"
+rescue
+  return
+end
+
+def attach_new_file(documentable_factory_name, index, path)
+  click_link "Add new document"
+  sleep 1
+  attach_file("#{documentable_factory_name}[documents_attributes][#{index}][attachment]", path, make_visible: true)
+  sleep 1
+end
+
+def fill_new_valid_proposal
+  fill_in :proposal_title, with: "Proposal title"
+  fill_in :proposal_summary, with: "Proposal summary"
+  fill_in :proposal_question, with: "Proposal question?"
+  check :proposal_terms_of_service
+end
+
+def fill_new_valid_budget_investment
+  page.select documentable.heading.name_scoped_by_group, from: :budget_investment_heading_id
+  fill_in :budget_investment_title, with: "Budget investment title"
+  fill_in_ckeditor "budget_investment_description", with: "Budget investment description"
+  check :budget_investment_terms_of_service
+end
+

spec/shared/models/document_validations.rb

@@ -0,0 +1,62 @@
+shared_examples "document validations" do |documentable_factory|
+  include DocumentsHelper
+  include DocumentablesHelper
+
+  let!(:document)               { build(:document, documentable_factory.to_sym) }
+  let!(:documentable)           { document.documentable }
+  let!(:maxfilesize)            { max_file_size(document.documentable) }
+  let!(:acceptedcontenttypes)   { accepted_content_types(document.documentable) }
+
+  it "should be valid" do
+    expect(document).to be_valid
+  end
+
+  it "should not be valid without a title" do
+    document.title = nil
+
+    expect(document).to_not be_valid
+  end
+
+  it "should not be valid without an attachment" do
+    document.attachment = nil
+
+    expect(document).to_not be_valid
+  end
+
+  it "should be valid for all accepted content types" do
+    acceptedcontenttypes.each do |content_type|
+      extension = content_type.split("/").last
+      document.attachment = File.new("spec/fixtures/files/empty.#{extension}")
+
+      expect(document).to be_valid
+    end
+  end
+
+  it "should not be valid for attachments larger than documentable max_file_size definition" do
+    document.stub(:attachment_file_size).and_return(maxfilesize.megabytes + 1.byte)
+
+    expect(document).to_not be_valid
+    expect(document.errors[:attachment]).to include "must be in between 0 Bytes and #{maxfilesize} MB"
+  end
+
+  it "should not be valid without a user_id" do
+    document.user_id = nil
+
+    expect(document).to_not be_valid
+  end
+
+  it "should not be valid without a documentable_id" do
+    document.save
+    document.documentable_id = nil
+
+    expect(document).to_not be_valid
+  end
+
+  it "should not be valid without a documentable_type" do
+    document.save
+    document.documentable_type = nil
+
+    expect(document).to_not be_valid
+  end
+
+end