Merge pull request #1824 from rockandror/user-recomendations

User recomendations

app/assets/stylesheets/_settings.scss

@@ -411,7 +411,7 @@ $maincontent-shadow: 0 0 10px rgba($black, 0.5);
 
 $orbit-bullet-background: $medium-gray;
 $orbit-bullet-background-active: $dark-gray;
-$orbit-bullet-diameter: 1.2rem;
+$orbit-bullet-diameter: 0.8rem;
 $orbit-bullet-margin: 0.1rem;
 $orbit-bullet-margin-top: 0.8rem;
 $orbit-bullet-margin-bottom: 0.8rem;

app/assets/stylesheets/layout.scss

@@ -18,7 +18,8 @@
 // 16. Flags
 // 17. Activity
 // 18. Banners
-// 19. Documents
+// 19. Recommended Section Home
+// 20. Documents
 //
 
 // 01. Global styles
@@ -341,6 +342,14 @@ a {
   background: $brand;
 }
 
+.truncate-horizontal-text {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  -o-text-overflow: ellipsis;
+  -ms-text-overflow: ellipsis;
+}
+
 .align-top {
   vertical-align: top;
 }
@@ -612,7 +621,7 @@ header {
     text-align: left;
 
     @include breakpoint(medium) {
-      margin-right: $line-height * 1.5;
+      margin-right: rem-calc(24);
     }
 
     &:hover {
@@ -2161,6 +2170,142 @@ table {
   }
 }
 
+// 19. Recommended Section Home
+// -----------
+
+.home-page {
+  .push {
+    display: none;
+  }
+}
+
+.section-recommended {
+  padding: $line-height * 2 0;
+
+  h2 {
+    margin-bottom: $line-height * 2;
+  }
+
+  .debates,
+  .proposals,
+  .budget-investments {
+
+    @include breakpoint(medium) {
+      margin-bottom: 0;
+    }
+
+    @include breakpoint(small) {
+      margin-bottom: $line-height;
+    }
+
+    .button.hollow {
+      margin-top: rem-calc(15);
+    }
+  }
+
+  .card {
+
+    .card-section {
+      padding: $line-height 0;
+      max-width: 300px;
+      margin: 0 auto;
+
+      p {
+        font-size: rem-calc(15);
+        text-align: left;
+      }
+    }
+
+    .orbit {
+      height: 300px;
+
+      .orbit-wrapper {
+        max-height: 250px;
+        overflow: hidden;
+        position: relative;
+      }
+
+      .orbit-bullets {
+        @include orbit-bullets;
+        width: 100%;
+      }
+    }
+  }
+
+  .card .orbit .orbit-wrapper .truncate {
+    background: image-url('truncate.png');
+    background-repeat: repeat-x;
+    bottom: 0;
+    height: 20px;
+    position: absolute;
+    width: 100%;
+  }
+
+  .debates-inner {
+    border-top: 4px solid $debates;
+  }
+
+  .proposals-inner {
+    border-top: 4px solid $proposals;
+  }
+
+  .budget-investments-inner {
+    border-top: 4px solid $budget;
+  }
+
+  .debates-inner,
+  .proposals-inner,
+  .budget-investments-inner {
+    background: #fff;
+    max-height: 350px;
+
+    @include breakpoint(small) {
+      max-height: 400px;
+    }
+
+    h4 {
+      margin-top: $line-height;
+      margin-bottom: 0;
+      font-size: rem-calc(18);
+      min-height: 50px;
+    }
+
+    h5 {
+      font-size: rem-calc(14);
+      text-align: left;
+    }
+  }
+
+  .carousel-image {
+
+    .card .orbit {
+      height: 480px;
+
+      .orbit-wrapper {
+        max-height: 450px;
+      }
+    }
+
+    .debates-inner,
+    .proposals-inner,
+    .budget-investments-inner {
+      max-height: 500px;
+
+      @include breakpoint(small) {
+        max-height: 600px;
+      }
+    }
+  }
+
+  .carousel-image .orbit-wrapper img {
+    display: block;
+
+    @include breakpoint(small) {
+      margin: 0 auto;
+    }
+  }
+}
+
 // 19. Documents
 .documents-list {
 
@@ -2218,6 +2363,5 @@ table {
       }
 
     }
-
   }
 }

app/assets/stylesheets/mixins.scss

@@ -1,6 +1,7 @@
 // Table of Contents
 //
 // 01. Logo
+// 02. Orbit bullets
 //
 
 // 01. Logo
@@ -31,7 +32,35 @@
   }
 }
 
+// 02. Orbit bullet
+// ----------------
+@mixin orbit-bullets {
+  @include disable-mouse-outline;
+  position: relative;
+  margin-top: $orbit-bullet-margin-top;
+  margin-bottom: $orbit-bullet-margin-bottom;
+  text-align: center;
 
+  button {
+    width: $orbit-bullet-diameter;
+    height: $orbit-bullet-diameter;
+    margin: $orbit-bullet-margin;
+
+    border-radius: 50%;
+    background-color: $orbit-bullet-background;
+
+    &:hover {
+      background-color: $orbit-bullet-background-active;
+    }
+
+    &.is-active {
+      background-color: $orbit-bullet-background-active;
+    }
+  }
+}
+
+// 02. Direct uploads
+// ------------------
 @mixin direct-uploads {
 
   .cached-image {
@@ -96,4 +125,5 @@
   .loading-bar.no-transition {
     transition: none;
   }
+
 }

app/controllers/concerns/commentable_actions.rb

@@ -4,17 +4,22 @@ module CommentableActions
   include Search
 
   def index
-    @resources = @search_terms.present? ? resource_model.search(@search_terms) : resource_model.all
+    @resources = resource_model.all
-    @resources = @advanced_search_terms.present? ? @resources.filter(@advanced_search_terms) : @resources
 
+    @resources = @current_order == "recommendations" && current_user.present? ? @resources.recommendations(current_user) : @resources.for_render
+    @resources = @resources.search(@search_terms) if @search_terms.present?
+    @resources = @advanced_search_terms.present? ? @resources.filter(@advanced_search_terms) : @resources
     @resources = @resources.tagged_with(@tag_filter) if @tag_filter
-    @resources = @resources.page(params[:page]).for_render.send("sort_by_#{@current_order}")
+
+    @resources = @resources.page(params[:page]).send("sort_by_#{@current_order}")
+
     index_customization if index_customization.present?
 
     @tag_cloud = tag_cloud
     @banners = Banner.with_active
 
     set_resource_votes(@resources)
+
     set_resources_instance
   end
 

app/controllers/debates_controller.rb

@@ -10,7 +10,7 @@ class DebatesController < ApplicationController
 
   invisible_captcha only: [:create, :update], honeypot: :subtitle
 
-  has_orders %w{hot_score confidence_score created_at relevance}, only: :index
+  has_orders ->(c) { Debate.debates_orders(c.current_user) }, only: :index
   has_orders %w{most_voted newest oldest}, only: :show
 
   load_and_authorize_resource

app/controllers/notifications_controller.rb

@@ -11,7 +11,7 @@ class NotificationsController < ApplicationController
 
   def show
     @notification = current_user.notifications.find(params[:id])
-    redirect_to url_for(@notification.linkable_resource)
+    redirect_to linkable_resource_path(@notification)
   end
 
   def mark_all_as_read
@@ -25,4 +25,13 @@ class NotificationsController < ApplicationController
       @notification.mark_as_read
     end
 
+    def linkable_resource_path(notification)
+      case notification.linkable_resource.class.name
+      when "Budget::Investment"
+        budget_investment_path @notification.linkable_resource.budget, @notification.linkable_resource
+      else
+        url_for @notification.linkable_resource
+      end
+    end
+
 end

app/controllers/proposals_controller.rb

@@ -9,7 +9,7 @@ class ProposalsController < ApplicationController
 
   invisible_captcha only: [:create, :update], honeypot: :subtitle
 
-  has_orders %w{hot_score confidence_score created_at relevance archival_date}, only: :index
+  has_orders ->(c) { Proposal.proposals_orders(c.current_user) }, only: :index
   has_orders %w{most_voted newest oldest}, only: :show
 
   load_and_authorize_resource
@@ -113,7 +113,7 @@ class ProposalsController < ApplicationController
     end
 
     def load_featured
-      return unless !@advanced_search_terms && @search_terms.blank? && @tag_filter.blank? && params[:retired].blank?
+      return unless !@advanced_search_terms && @search_terms.blank? && @tag_filter.blank? && params[:retired].blank? && @current_order != "recommendations"
       @featured_proposals = Proposal.not_archived.sort_by_confidence_score.limit(3)
       if @featured_proposals.present?
         set_featured_proposal_votes(@featured_proposals)

app/controllers/welcome_controller.rb

@@ -1,12 +1,10 @@
 class WelcomeController < ApplicationController
   skip_authorization_check
+  before_action :set_user_recommendations, only: :index, if: :current_user
 
   layout "devise", only: [:welcome, :verification]
 
   def index
-    if current_user
-      redirect_to :proposals
-    end
   end
 
   def welcome
@@ -16,4 +14,11 @@ class WelcomeController < ApplicationController
     redirect_to verification_path if signed_in?
   end
 
+  private
+
+  def set_user_recommendations
+    @recommended_debates = Debate.recommendations(current_user).sort_by_recommendations.limit(3)
+    @recommended_proposals = Proposal.recommendations(current_user).sort_by_recommendations.limit(3)
+  end
+
 end

app/helpers/debates_helper.rb

@@ -4,4 +4,12 @@ module DebatesHelper
     Debate.all.featured.count > 0
   end
 
+  def empty_recommended_debates_message_text(user)
+    if user.interests.any?
+      t('debates.index.recommendations.without_results')
+    else
+      t('debates.index.recommendations.without_interests')
+    end
+  end
+
 end

app/helpers/proposals_helper.rb

@@ -32,6 +32,14 @@ module ProposalsHelper
     Proposal::RETIRE_OPTIONS.collect { |option| [ t("proposals.retire_options.#{option}"), option ] }
   end
 
+  def empty_recommended_proposals_message_text(user)
+    if user.interests.any?
+      t('proposals.index.recommendations.without_results')
+    else
+      t('proposals.index.recommendations.without_interests')
+    end
+  end
+
   def author_of_proposal?(proposal)
     author_of?(proposal, current_user)
   end

app/helpers/welcome_helper.rb

@@ -0,0 +1,62 @@
+module WelcomeHelper
+
+  def active_class(index)
+    "is-active is-in" if index == 0
+  end
+
+  def slide_display(index)
+    "display: none;" if index > 0
+  end
+
+  def recommended_path(recommended)
+    case recommended.class.name
+    when "Debate"
+      debate_path(recommended)
+    when "Proposal"
+      proposal_path(recommended)
+    else
+      '#'
+    end
+  end
+
+  def render_recommendation_image(recommended, image_default)
+    image_path = calculate_image_path(recommended, image_default)
+    image_tag(image_path) if image_path.present?
+  end
+
+  def calculate_image_path(recommended, image_default)
+    if recommended.try(:image) && recommended.image.present? && recommended.image.attachment.exists?
+      recommended.image.attachment.send("url", :medium)
+    elsif image_default.present?
+      image_default
+    end
+  end
+
+  def calculate_carousel_size(debates, proposals, apply_offset)
+    offset = calculate_offset(debates, proposals, apply_offset)
+    centered = calculate_centered(debates, proposals)
+    "#{offset if offset} #{centered if centered}"
+  end
+
+  def calculate_centered(debates, proposals)
+    if (debates.blank? && proposals.any?) ||
+       (debates.any? && proposals.blank?)
+      centered = "medium-centered large-centered"
+    end
+  end
+
+  def calculate_offset(debates, proposals, apply_offset)
+    if (debates.any? && proposals.any?)
+      if apply_offset
+        offset = "medium-offset-2 large-offset-2"
+      else
+        offset = "end"
+      end
+    end
+  end
+
+  def highlight_background
+    (feature?("user.recommendations") && current_user) ? "highlight" : ""
+  end
+
+end

app/models/concerns/followable.rb

@@ -4,6 +4,10 @@ module Followable
   included do
     has_many :follows, as: :followable, dependent: :destroy
     has_many :followers, through: :follows, source: :user
+
+    scope :followed_by_user, -> (user){
+      joins(:follows).where("follows.user_id = ?", user.id)
+    }
   end
 
   def followed_by?(user)

app/models/debate.rb

@@ -37,14 +37,21 @@ class Debate < ActiveRecord::Base
   scope :sort_by_random,           -> { reorder("RANDOM()") }
   scope :sort_by_relevance,        -> { all }
   scope :sort_by_flags,            -> { order(flags_count: :desc, updated_at: :desc) }
+  scope :sort_by_recommendations,  -> { order(cached_votes_total: :desc) }
   scope :last_week,                -> { where("created_at >= ?", 7.days.ago)}
   scope :featured,                 -> { where("featured_at is not null")}
   scope :public_for_api,           -> { all }
+
   # Ahoy setup
   visitable # Ahoy will automatically assign visit_id on create
 
   attr_accessor :link_required
 
+  def self.recommendations(user)
+    tagged_with(user.interests, any: true).
+    where("author_id != ?", user.id)
+  end
+
   def searchable_values
     { title              => 'A',
       author.username    => 'B',
@@ -135,4 +142,9 @@ class Debate < ActiveRecord::Base
     featured_at.present?
   end
 
+  def self.debates_orders(user)
+    orders = %w{hot_score confidence_score created_at relevance}
+    orders << "recommendations" if user.present?
+    orders
+  end
 end

app/models/proposal.rb

@@ -58,14 +58,27 @@ class Proposal < ActiveRecord::Base
   scope :sort_by_relevance,        -> { all }
   scope :sort_by_flags,            -> { order(flags_count: :desc, updated_at: :desc) }
   scope :sort_by_archival_date,    -> { archived.sort_by_confidence_score }
+  scope :sort_by_recommendations,  -> { order(cached_votes_up: :desc) }
   scope :archived,                 -> { where("proposals.created_at <= ?", Setting["months_to_archive_proposals"].to_i.months.ago) }
   scope :not_archived,             -> { where("proposals.created_at > ?", Setting["months_to_archive_proposals"].to_i.months.ago) }
   scope :last_week,                -> { where("proposals.created_at >= ?", 7.days.ago)}
   scope :retired,                  -> { where.not(retired_at: nil) }
   scope :not_retired,              -> { where(retired_at: nil) }
   scope :successful,               -> { where("cached_votes_up >= ?", Proposal.votes_needed_for_success) }
+  scope :unsuccessful,             -> { where("cached_votes_up < ?", Proposal.votes_needed_for_success) }
   scope :public_for_api,           -> { all }
 
+  def self.recommendations(user)
+    tagged_with(user.interests, any: true).
+    where("author_id != ?", user.id).
+    unsuccessful.
+    not_followed_by_user(user)
+  end
+
+  def self.not_followed_by_user(user)
+    where.not(id: followed_by_user(user).pluck(:id))
+  end
+
   def to_param
     "#{id}-#{title}".parameterize
   end
@@ -185,6 +198,12 @@ class Proposal < ActiveRecord::Base
     (voters + followers).uniq
   end
 
+  def self.proposals_orders(user)
+    orders = %w{hot_score confidence_score created_at relevance archival_date}
+    orders << "recommendations" if user.present?
+    orders
+  end
+
   protected
 
     def set_responsible_name

app/models/user.rb

@@ -88,12 +88,12 @@ class User < ActiveRecord::Base
   end
 
   def debate_votes(debates)
-    voted = votes.for_debates(debates)
+    voted = votes.for_debates(Array(debates).map(&:id))
     voted.each_with_object({}) { |v, h| h[v.votable_id] = v.value }
   end
 
   def proposal_votes(proposals)
-    voted = votes.for_proposals(proposals)
+    voted = votes.for_proposals(Array(proposals).map(&:id))
     voted.each_with_object({}) { |v, h| h[v.votable_id] = v.value }
   end
 

app/views/debates/index.html.erb

@@ -54,7 +54,11 @@
         <%= link_to t("debates.index.start_debate"), new_debate_path, class: 'button expanded' %>
       </div>
 
+      <% if @debates.any? || current_user.blank? %>
         <%= render @debates %>
+      <% else %>
+        <%= empty_recommended_debates_message_text(current_user) %>
+      <% end %>
       <%= paginate @debates %>
 
       <% unless @search_terms || @advanced_search_terms || @tag_filter %>

app/views/layouts/application.html.erb

@@ -23,7 +23,7 @@
 
     <%= setting['per_page_code_head'].try(:html_safe) %>
   </head>
-  <body>
+  <body class="<%= yield (:body_class) %>">
     <%= setting['per_page_code_body'].try(:html_safe) %>
 
     <h1 class="show-for-sr"><%= setting['org_name'] %></h1>

app/views/proposals/index.html.erb

@@ -68,7 +68,11 @@
       <% end %>
 
       <div id="proposals-list">
+        <% if @proposals.any? || current_user.blank? %>
           <%= render partial: 'proposals/proposal', collection: @proposals %>
+        <% else %>
+          <%= empty_recommended_proposals_message_text(current_user) %>
+        <% end %>
         <%= paginate @proposals %>
 
         <% unless @search_terms || @advanced_search_terms || @tag_filter %>

app/views/welcome/_recommended.html.erb

@@ -0,0 +1,31 @@
+<div class="small-12 column section-recommended padding">
+  <div class="row">
+
+    <h2 class="text-center"><%= t("welcome.recommended.title") %></h2>
+    <div class="small-12 column carousel-image">
+      <% if recommended_debates.any? %>
+        <% carousel_size = calculate_carousel_size(recommended_debates, recommended_proposals, true) %>
+        <%= render "recommended_carousel", recommendeds: recommended_debates,
+                                           key: "debates",
+                                           image_field: nil,
+                                           image_version: nil,
+                                           image_default: nil,
+                                           carousel_size: carousel_size,
+                                           btn_text_link: t("welcome.recommended.debates.btn_text_link"),
+                                           btn_path_link: debates_path(order: "recommendations") %>
+      <% end %>
+
+      <% if recommended_proposals.any? %>
+        <% carousel_size = calculate_carousel_size(recommended_debates, recommended_proposals, false) %>
+        <%= render "recommended_carousel", recommendeds: recommended_proposals,
+                                           key: "proposals",
+                                           image_field: :attachment,
+                                           image_version: :thumb,
+                                           image_default: nil,
+                                           carousel_size: carousel_size,
+                                           btn_text_link: t("welcome.recommended.proposals.btn_text_link"),
+                                           btn_path_link: proposals_path(order: "recommendations")  %>
+      <% end %>
+    </div>
+  </div>
+</div>

app/views/welcome/_recommended_carousel.html.erb

@@ -0,0 +1,42 @@
+<div class="small-12 medium-4 large-4 <%= carousel_size %> column text-center <%= key %> ">
+  <div class="card small-centered <%= key %>-inner">
+
+    <h4><%= t("welcome.recommended.#{key.underscore}.title") %></h4>
+
+    <div class="orbit" role="region" data-orbit data-use-m-u-i="false">
+      <div class="orbit-wrapper">
+
+        <ul class="orbit-container no-bullet" tabindex="0" >
+          <% recommendeds.each_with_index do |recommended, index| %>
+
+            <li class="orbit-slide <%= active_class(index) %>" data-slide="<%= index %>" style="position: relative; <%= slide_display(index) %>" aria-live="polite">
+              <div class="card">
+                <%= render_recommendation_image(recommended, image_default) %>
+                <div class="card-section">
+                  <%= link_to recommended_path(recommended) do %>
+                    <h5 class="truncate-horizontal-text"><%= recommended.title %></h5>
+                  <% end %>
+                  <p><%= recommended.description %></p>
+                </div>
+              </div>
+            </li>
+
+          <% end %>
+        </ul>
+        <div class="truncate"></div>
+
+      </div>
+
+      <nav class="orbit-bullets">
+        <% recommendeds.each_with_index do |recommended, index| %>
+          <button data-slide="<%= index %>" class="<%= active_class(index) %>">
+            <span class="show-for-sr">Second slide details.</span>
+          </button>
+        <% end %>
+      </nav>
+
+    </div>
+
+  </div>
+  <%= link_to btn_text_link, btn_path_link, class: 'button hollow expanded' %>
+</div>

app/views/welcome/index.html.erb

@@ -1,3 +1,5 @@
+<% content_for :body_class, "home-page" %>
+
 <% content_for :canonical do %>
   <%= render "shared/canonical", href: root_url %>
 <% end %>
@@ -16,37 +18,35 @@
   </div>
 </div>
 
+<% if feature?("user.recommendations") && (@recommended_debates.present? || @recommended_proposals.present?) %>
+  <%= render "recommended",
+              recommended_debates: @recommended_debates,
+              recommended_proposals: @recommended_proposals %>
+<% end %>
+
 <% cache [locale_and_user_status, @featured_debates, @featured_proposals, 'featured'] do %>
   <main>
-    <div class="row">
-      <div class="small-12 medium-6 column">
-        <p>
-          <span class="lead"><strong><%= t("welcome.debates.title") %></strong></span><br>
-          <%= t("welcome.debates.description") %>
-        </p>
 
+    <div class="small-12 column text-center <%= highlight_background %>">
+      <div class="row margin padding">
+        <div class="small-12 medium-3 column">
+          <h2><%= t("welcome.debates.title") %></h2>
+          <p><%= t("welcome.debates.description") %></p>
+        </div>
+        <div class="small-12 medium-3 column">
+          <h2><%= t("welcome.proposal.title") %></h2>
+          <p><%= t("welcome.proposal.description") %></p>
+        </div>
+        <div class="small-12 medium-3 column">
+          <h2><%= t("welcome.decide.title") %></h2>
+          <p><%= t("welcome.decide.description") %></p>
+        </div>
+        <div class="small-12 medium-3 column">
+          <h2><%= t("welcome.do.title") %></h2>
+          <p><%= t("welcome.do.description") %></p>
         </div>
-      <div class="small-12 medium-6 column">
-        <p>
-          <span class="lead"><strong><%= t("welcome.proposal.title") %></strong></span><br>
-          <%= t("welcome.proposal.description") %>
-        </p>
       </div>
     </div>
 
-    <div class="row margin-top">
-      <div class="small-12 medium-6 column">
-        <p>
-          <span class="lead"><strong><%= t("welcome.decide.title") %></strong></span><br>
-          <%= t("welcome.decide.description") %>
-        </p>
-      </div>
-      <div class="small-12 medium-6 column">
-        <p>
-          <span class="lead"><strong><%= t("welcome.do.title") %></strong></span><br>
-          <%= t("welcome.do.description") %>
-        </p>
-      </div>
-    </div>
   </main>
 <% end %>

config/locales/en/general.yml

@@ -109,6 +109,10 @@ en:
         hot_score: most active
         most_commented: most commented
         relevance: relevance
+        recommendations: recommendations
+      recommendations:
+        without_results: There are not debates related to your interests
+        without_interests: Follow proposals so we can give you recommendations
       search_form:
         button: Search
         placeholder: Search debates...
@@ -348,6 +352,10 @@ en:
         most_commented: most commented
         relevance: relevance
         archival_date: Archived
+        recommendations: recommendations
+      recommendations:
+        without_results: There are not proposals related to your interests
+        without_interests: Follow proposals so we can give you recommendations
       retired_proposals: Retired proposals
       retired_proposals_link: "Proposals retired by the author"
       retired_links:
@@ -753,6 +761,16 @@ en:
     proposal:
       description: Open space for citizen proposals about the kind of city we want to live in.
       title: You propose
+    recommended:
+      title: Recommendations that may interest you
+      debates:
+        title: Recommended debates
+        btn_text_link: All recommended debates
+      proposals:
+        title: Recommended proposals
+        btn_text_link: All recommended proposals
+      budget_investments:
+        title: Recommended investments
     verification:
       i_dont_have_an_account: I don't have an account
       i_have_an_account: I already have an account

config/locales/en/settings.yml

@@ -39,6 +39,8 @@ en:
       spending_proposal_features:
         voting_allowed: Voting on investment projects
       legislation: Legislation
+      user:
+        recommendations: Recommendeds
       community: Community on proposals and investments
       map: Proposals and budget investments geolocation
     map_latitude: Latitude

config/locales/es/general.yml

@@ -109,6 +109,10 @@ es:
         hot_score: Más activos hoy
         most_commented: Más comentados
         relevance: Más relevantes
+        recommendations: Recomendaciones
+      recommendations:
+        without_results: No existen debates relacionados con tus intereses
+        without_interests: Sigue propuestas para que podamos darte recomendaciones
       search_form:
         button: Buscar
         placeholder: Buscar debates...
@@ -348,6 +352,10 @@ es:
         most_commented: Más comentadas
         relevance: Más relevantes
         archival_date: Archivadas
+        recommendations: Recomendaciones
+      recommendations:
+        without_results: No existen propuestas relacionadas con tus intereses
+        without_interests: Sigue propuestas para que podamos darte recomendaciones
       retired_proposals: Propuestas retiradas
       retired_proposals_link: "Propuestas retiradas por sus autores"
       retired_links:
@@ -753,6 +761,16 @@ es:
     proposal:
       description: Espacio abierto para propuestas ciudadanas sobre el tipo de ciudad en el que queremos vivir.
       title: Propones
+    recommended:
+      title: Recomendaciones que te pueden interesar
+      debates:
+        title: Debates recomendados
+        btn_text_link: Todos los debates recomendados
+      proposals:
+        title: Propuestas recomendadas
+        btn_text_link: Todas las propuestas recomendadas
+      budget_investments:
+        title: Presupuestos recomendados
     verification:
       i_dont_have_an_account: No tengo cuenta, quiero crear una y verificarla
       i_have_an_account: Ya tengo una cuenta que quiero verificar

config/locales/es/settings.yml

@@ -39,6 +39,8 @@ es:
       spending_proposal_features:
         voting_allowed: Votaciones sobre propuestas de inversión
       legislation: Legislación
+      user:
+        recommendations: Recomendaciones
       community: Comunidad en propuestas y proyectos de inversión
       map: Geolocalización de propuestas y proyectos de inversión
     map_latitude: Latitud

db/dev_seeds.rb

@@ -36,6 +36,7 @@ Setting.create(key: 'feature.facebook_login', value: "true")
 Setting.create(key: 'feature.google_login', value: "true")
 Setting.create(key: 'feature.signature_sheets', value: "true")
 Setting.create(key: 'feature.legislation', value: "true")
+Setting.create(key: 'feature.user.recommendations', value: "true")
 Setting.create(key: 'feature.community', value: "true")
 Setting.create(key: 'feature.map', value: "true")
 Setting.create(key: 'per_page_code_head', value: "")

db/seeds.rb

@@ -79,6 +79,7 @@ Setting['feature.public_stats'] = true
 Setting['feature.budgets'] = true
 Setting['feature.signature_sheets'] = true
 Setting['feature.legislation'] = true
+Setting['feature.user.recommendations'] = true
 Setting['feature.community'] = true
 Setting['feature.map'] = nil
 

spec/features/admin_spec.rb

@@ -12,7 +12,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(current_path).not_to eq(admin_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -22,7 +22,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(current_path).not_to eq(admin_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -32,7 +32,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(current_path).not_to eq(admin_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -42,7 +42,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(current_path).not_to eq(admin_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -52,7 +52,7 @@ feature 'Admin' do
     visit admin_root_path
 
     expect(current_path).not_to eq(admin_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 

spec/features/debates_spec.rb

@@ -219,7 +219,7 @@ feature 'Debates' do
 
     visit edit_debate_path(debate)
     expect(current_path).not_to eq(edit_debate_path(debate))
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to carry out the action 'edit' on debate."
   end
 
@@ -234,7 +234,7 @@ feature 'Debates' do
     visit edit_debate_path(debate)
 
     expect(current_path).not_to eq(edit_debate_path(debate))
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content 'You do not have permission to'
   end
 
@@ -351,6 +351,69 @@ feature 'Debates' do
       expect(current_url).to include('order=created_at')
       expect(current_url).to include('page=1')
     end
+
+    context 'Recommendations' do
+
+      background do
+        Setting['feature.user.recommendations'] = true
+        create(:debate, title: 'Best',   cached_votes_total: 10, tag_list: "Sport")
+        create(:debate, title: 'Medium', cached_votes_total: 5,  tag_list: "Sport")
+        create(:debate, title: 'Worst',  cached_votes_total: 1,  tag_list: "Sport")
+      end
+
+      after do
+        Setting['feature.user.recommendations'] = nil
+      end
+
+      scenario 'Debates can not ordered by recommendations when there is not an user logged', :js do
+        visit debates_path
+
+        expect(page).not_to have_selector('a', text: 'recommendations')
+      end
+
+      scenario 'Should display text when there are not recommendeds results', :js do
+        user = create(:user)
+        proposal = create(:proposal, tag_list: "Distinct_to_sport")
+        create(:follow, followable: proposal, user: user)
+        login_as(user)
+        visit debates_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_content "There are not debates related to your interests"
+      end
+
+      scenario 'Should display text when user has not related interests', :js do
+        user = create(:user)
+        login_as(user)
+        visit debates_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_content "Follow proposals so we can give you recommendations"
+      end
+
+      scenario 'Debates are ordered by recommendations when there is a user logged', :js do
+        proposal = create(:proposal, tag_list: "Sport" )
+        user = create(:user)
+        create(:follow, followable: proposal, user: user)
+        login_as(user)
+
+        visit debates_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_selector('a.active', text: 'recommendations')
+
+        within '#debates' do
+          expect('Best').to appear_before('Medium')
+          expect('Medium').to appear_before('Worst')
+        end
+
+        expect(current_url).to include('order=recommendations')
+        expect(current_url).to include('page=1')
+      end
+    end
   end
 
   context "Search" do
@@ -759,6 +822,32 @@ feature 'Debates' do
       end
     end
 
+    scenario "Reorder by recommendations results maintaing search", :js do
+      Setting['feature.user.recommendations'] = true
+      user = create(:user)
+      login_as(user)
+      debate1 = create(:debate, title: "Show you got",      cached_votes_total: 10,  tag_list: "Sport")
+      debate2 = create(:debate, title: "Show what you got", cached_votes_total: 1,   tag_list: "Sport")
+      debate3 = create(:debate, title: "Do not display with same tag", cached_votes_total: 100, tag_list: "Sport")
+      debate4 = create(:debate, title: "Do not display",    cached_votes_total: 1)
+      proposal1 =  create(:proposal, tag_list: "Sport")
+      create(:follow, followable: proposal1, user: user)
+
+      visit debates_path
+      fill_in "search", with: "Show you got"
+      click_button "Search"
+      click_link 'recommendations'
+      expect(page).to have_selector("a.active", text: "recommendations")
+
+      within("#debates") do
+        expect(all(".debate")[0].text).to match "Show you got"
+        expect(all(".debate")[1].text).to match "Show what you got"
+        expect(page).to_not have_content "Do not display with same tag"
+        expect(page).to_not have_content "Do not display"
+      end
+      Setting['feature.user.recommendations'] = nil
+    end
+
     scenario 'After a search do not show featured debates' do
       featured_debates = create_featured_debates
       debate = create(:debate, title: "Abcdefghi")

spec/features/home_spec.rb

@@ -3,20 +3,143 @@ require 'rails_helper'
 feature "Home" do
 
   feature "For not logged users" do
+
     scenario 'Welcome message' do
       visit root_path
 
       expect(page).to have_content "Love the city, and it will become a city you love"
     end
+
+    scenario 'Not display recommended section' do
+      debate = create(:debate)
+
+      visit root_path
+
+      expect(page).not_to have_content "Recommendations that may interest you"
+    end
+
   end
 
   feature "For signed in users" do
-    scenario 'Redirect to proposals' do
+
-      login_as(create(:user))
+    before do
+      # user = create(:user)
+      # login_as(user)
+    end
+
+    feature "Recommended" do
+
+      background do
+        Setting['feature.user.recommendations'] = true
+        user = create(:user)
+        proposal = create(:proposal, tag_list: "Sport" )
+        create(:follow, followable: proposal, user: user)
+        login_as(user)
+      end
+
+      after do
+        Setting['feature.user.recommendations'] = nil
+      end
+
+      scenario 'Display recommended section' do
+        debate = create(:debate, tag_list: "Sport")
+        visit root_path
+        expect(page).to have_content "Recommendations that may interest you"
+      end
+
+      scenario 'Display recommended section when feature flag recommended is active' do
+        debate = create(:debate, tag_list: "Sport")
+        visit root_path
+        expect(page).to have_content "Recommendations that may interest you"
+      end
+
+      scenario 'Not display recommended section when feature flag recommended is not active' do
+        debate = create(:debate, tag_list: "Sport")
+        Setting['feature.user.recommendations'] = false
+
         visit root_path
 
-      expect(current_path).to eq proposals_path
+        expect(page).not_to have_content "Recommendations that may interest you"
       end
+
+      scenario 'Display debates' do
+        debate = create(:debate, tag_list: "Sport")
+
+        visit root_path
+
+        expect(page).to have_content debate.title
+        expect(page).to have_content debate.description
+      end
+
+      scenario 'Display all recommended debates link' do
+        debate = create(:debate, tag_list: "Sport")
+        visit root_path
+        expect(page).to have_link("All recommended debates", href: debates_path(order: "recommendations"))
+      end
+
+      scenario 'Display proposal' do
+        proposal = create(:proposal, tag_list: "Sport")
+
+        visit root_path
+
+        expect(page).to have_content proposal.title
+        expect(page).to have_content proposal.description
+      end
+
+      scenario 'Display all recommended proposals link' do
+        debate = create(:proposal, tag_list: "Sport")
+        visit root_path
+        expect(page).to have_link("All recommended proposals", href: proposals_path(order: "recommendations"))
+      end
+
+      scenario 'Display orbit carrousel' do
+        create_list(:debate, 3, tag_list: "Sport")
+
+        visit root_path
+
+        expect(page).to have_selector('li[data-slide="0"]')
+        expect(page).to have_selector('li[data-slide="1"]', visible: false)
+        expect(page).to have_selector('li[data-slide="2"]', visible: false)
+      end
+
+      scenario 'Display recommended show when click on carousel' do
+        debate = create(:debate, tag_list: "Sport")
+
+        visit root_path
+        click_on debate.title
+
+        expect(current_path).to eq debate_path(debate)
+      end
+
+      scenario 'Do not display recommended section when there are not debates and proposals' do
+        visit root_path
+        expect(page).not_to have_content "Recommendations that may interest you"
+      end
+
+      feature 'Carousel size' do
+
+        scenario 'Display debates centered when there are no proposals' do
+          debate = create(:debate, tag_list: "Sport")
+          visit root_path
+          expect(page).to have_selector('.medium-centered.large-centered')
+        end
+
+        scenario 'Correct display debates and proposals' do
+          proposal = create(:proposal, tag_list: "Sport")
+          debates = create(:debate, tag_list: "Sport")
+
+          visit root_path
+
+          expect(page).to have_selector('.debates.medium-offset-2.large-offset-2')
+          expect(page).not_to have_selector('.proposals.medium-offset-2.large-offset-2')
+          expect(page).not_to have_selector('.debates.end')
+          expect(page).to have_selector('.proposals.end')
+          expect(page).not_to have_selector('.medium-centered.large-centered')
+        end
+
+      end
+    end
+
   end
 
   feature 'IE alert' do

spec/features/moderation_spec.rb

@@ -11,7 +11,7 @@ feature 'Moderation' do
     visit moderation_root_path
 
     expect(current_path).not_to eq(moderation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -25,7 +25,7 @@ feature 'Moderation' do
     visit moderation_root_path
 
     expect(current_path).not_to eq(moderation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -39,7 +39,7 @@ feature 'Moderation' do
     visit moderation_root_path
 
     expect(current_path).not_to eq(moderation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -53,7 +53,7 @@ feature 'Moderation' do
     visit moderation_root_path
 
     expect(current_path).not_to eq(moderation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 

spec/features/notifications_spec.rb

@@ -15,16 +15,7 @@ feature "Notifications" do
   let(:legislation_annotation) { create(:legislation_annotation, author: author) }
 
   scenario "User commented on my debate", :js do
-    login_as user
+    create(:notification, notifiable: debate, user: author)
-    visit debate_path debate
-
-    fill_in "comment-body-debate_#{debate.id}", with: "I commented on your debate"
-    click_button "Publish comment"
-    within "#comments" do
-      expect(page).to have_content "I commented on your debate"
-    end
-
-    logout
     login_as author
     visit root_path
 
@@ -37,17 +28,7 @@ feature "Notifications" do
   end
 
   scenario "User commented on my legislation question", :js do
-    verified_user = create(:user, :level_two)
+    create(:notification, notifiable: legislation_question, user: administrator)
-    login_as verified_user
-    visit legislation_process_question_path legislation_question.process, legislation_question
-
-    fill_in "comment-body-legislation_question_#{legislation_question.id}", with: "I answered your question"
-    click_button "Publish answer"
-    within "#comments" do
-      expect(page).to have_content "I answered your question"
-    end
-
-    logout
     login_as administrator
     visit root_path
 
@@ -82,6 +63,7 @@ feature "Notifications" do
     logout
     login_as author
     visit root_path
+    visit root_path
 
     find(".icon-notification").click
 
@@ -107,8 +89,10 @@ feature "Notifications" do
     end
 
     logout
+
     login_as author
     visit root_path
+    visit root_path
 
     find(".icon-notification").click
 
@@ -137,6 +121,7 @@ feature "Notifications" do
 
     login_as author
     visit root_path
+    visit root_path
 
     find(".icon-notification").click
 
@@ -208,6 +193,7 @@ feature "Notifications" do
       logout
       login_as user1
       visit root_path
+      visit root_path
 
       find(".icon-notification").click
 
@@ -219,6 +205,7 @@ feature "Notifications" do
       logout
       login_as user2
       visit root_path
+      visit root_path
 
       find(".icon-notification").click
 
@@ -230,6 +217,7 @@ feature "Notifications" do
       logout
       login_as user3
       visit root_path
+      visit root_path
 
       find(".icon-no-notification").click
 

spec/features/officing_spec.rb

@@ -11,7 +11,7 @@ feature 'Poll Officing' do
     visit officing_root_path
 
     expect(current_path).not_to eq(officing_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -24,7 +24,7 @@ feature 'Poll Officing' do
     visit officing_root_path
 
     expect(current_path).not_to eq(officing_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -37,7 +37,7 @@ feature 'Poll Officing' do
     visit officing_root_path
 
     expect(current_path).not_to eq(officing_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -50,7 +50,7 @@ feature 'Poll Officing' do
     visit officing_root_path
 
     expect(current_path).not_to eq(officing_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 

spec/features/proposal_notifications_spec.rb

@@ -189,7 +189,7 @@ feature 'Proposal Notifications' do
       login_as(user)
       visit new_proposal_notification_path(proposal_id: proposal.id)
 
-      expect(current_path).to eq(proposals_path)
+      expect(current_path).to eq(root_path)
       expect(page).to have_content("You do not have permission to carry out the action")
     end
 

spec/features/proposals_spec.rb

@@ -556,7 +556,7 @@ feature 'Proposals' do
 
     visit edit_proposal_path(proposal)
     expect(current_path).not_to eq(edit_proposal_path(proposal))
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content 'You do not have permission'
   end
 
@@ -571,7 +571,7 @@ feature 'Proposals' do
     visit edit_proposal_path(proposal)
 
     expect(current_path).not_to eq(edit_proposal_path(proposal))
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content 'You do not have permission'
     Setting["max_votes_for_proposal_edit"] = 1000
   end
@@ -663,6 +663,69 @@ feature 'Proposals' do
       expect(current_url).to include('order=created_at')
       expect(current_url).to include('page=1')
     end
+
+    context 'Recommendations' do
+
+      before do
+        Setting['feature.user.recommendations'] = true
+        create(:proposal, title: 'Best',   cached_votes_up: 10, tag_list: "Sport")
+        create(:proposal, title: 'Medium', cached_votes_up: 5, tag_list: "Sport")
+        create(:proposal, title: 'Worst',  cached_votes_up: 1, tag_list: "Sport")
+      end
+
+      after do
+        Setting['feature.user.recommendations'] = nil
+      end
+
+      scenario 'Proposals can not ordered by recommendations when there is not an user logged', :js do
+        visit proposals_path
+
+        expect(page).not_to have_selector('a', text: 'recommendations')
+      end
+
+      scenario 'Should display text when there are not recommendeds results', :js do
+        user = create(:user)
+        proposal = create(:proposal, tag_list: "Distinct_to_sport")
+        create(:follow, followable: proposal, user: user)
+        login_as(user)
+        visit proposals_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_content "There are not proposals related to your interests"
+      end
+
+      scenario 'Should display text when user has not related interests', :js do
+        user = create(:user)
+        login_as(user)
+        visit proposals_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_content "Follow proposals so we can give you recommendations"
+      end
+
+      scenario 'Proposals are ordered by recommendations when there is an user logged', :js do
+        user = create(:user)
+        proposal = create(:proposal, tag_list: "Sport")
+        create(:follow, followable: proposal, user: user)
+        login_as(user)
+
+        visit proposals_path
+
+        click_link 'recommendations'
+
+        expect(page).to have_selector('a.active', text: 'recommendations')
+
+        within '#proposals-list' do
+          expect('Best').to appear_before('Medium')
+          expect('Medium').to appear_before('Worst')
+        end
+
+        expect(current_url).to include('order=recommendations')
+        expect(current_url).to include('page=1')
+      end
+    end
   end
 
   feature 'Archived proposals' do
@@ -1198,6 +1261,32 @@ feature 'Proposals' do
       end
     end
 
+    scenario "Reorder by recommendations results maintaing search", :js do
+      Setting['feature.user.recommendations'] = true
+      user = create(:user)
+      login_as(user)
+      proposal1 = create(:proposal, title: "Show you got",      cached_votes_up: 10,  tag_list: "Sport")
+      proposal2 = create(:proposal, title: "Show what you got", cached_votes_up: 1,   tag_list: "Sport")
+      proposal3 = create(:proposal, title: "Do not display with same tag", cached_votes_up: 100, tag_list: "Sport")
+      proposal4 = create(:proposal, title: "Do not display",    cached_votes_up: 1)
+      proposal5 = create(:proposal, tag_list: "Sport")
+      create(:follow, followable: proposal5, user: user)
+
+      visit proposals_path
+      fill_in "search", with: "Show you got"
+      click_button "Search"
+      click_link 'recommendations'
+      expect(page).to have_selector("a.active", text: "recommendations")
+
+      within("#proposals") do
+        expect(all(".proposal")[0].text).to match "Show you got"
+        expect(all(".proposal")[1].text).to match "Show what you got"
+        expect(page).to_not have_content "Do not display with same tag"
+        expect(page).to_not have_content "Do not display"
+      end
+      Setting['feature.user.recommendations'] = nil
+    end
+
     scenario 'After a search do not show featured proposals' do
       featured_proposals = create_featured_proposals
       proposal = create(:proposal, title: "Abcdefghi")

spec/features/valuation_spec.rb

@@ -21,7 +21,7 @@ feature 'Valuation' do
     visit valuation_root_path
 
     expect(current_path).not_to eq(valuation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -34,7 +34,7 @@ feature 'Valuation' do
     visit valuation_root_path
 
     expect(current_path).not_to eq(valuation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -47,7 +47,7 @@ feature 'Valuation' do
     visit valuation_root_path
 
     expect(current_path).not_to eq(valuation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 
@@ -60,7 +60,7 @@ feature 'Valuation' do
     visit valuation_root_path
 
     expect(current_path).not_to eq(valuation_root_path)
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
     expect(page).to have_content "You do not have permission to access this page"
   end
 

spec/features/welcome_spec.rb

@@ -33,7 +33,7 @@ feature "Welcome screen" do
 
     login_through_form_as(user)
 
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
   end
 
   scenario 'is not shown to organizations' do
@@ -41,7 +41,7 @@ feature "Welcome screen" do
 
     login_through_form_as(organization.user)
 
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
   end
 
   scenario 'it is not shown to level-2 users' do
@@ -49,7 +49,7 @@ feature "Welcome screen" do
 
     login_through_form_as(user)
 
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
   end
 
   scenario 'it is not shown to level-3 users' do
@@ -57,7 +57,7 @@ feature "Welcome screen" do
 
     login_through_form_as(user)
 
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
   end
 
   scenario 'is not shown to administrators' do
@@ -65,7 +65,7 @@ feature "Welcome screen" do
 
     login_through_form_as(administrator.user)
 
-    expect(current_path).to eq(proposals_path)
+    expect(current_path).to eq(root_path)
   end
 
 end

spec/models/debate_spec.rb

@@ -714,4 +714,53 @@ describe Debate do
     end
   end
 
+  describe "#recommendations" do
+
+    let(:user)     { create(:user) }
+
+    it "Should not return any debates when user has not interests" do
+      create(:debate)
+
+      expect(Debate.recommendations(user).size).to eq 0
+    end
+
+    it "Should return debates ordered by cached_votes_total" do
+      debate1 =  create(:debate, cached_votes_total: 1, tag_list: "Sport" )
+      debate2 =  create(:debate, cached_votes_total: 5, tag_list: "Sport" )
+      debate3 =  create(:debate, cached_votes_total: 10, tag_list: "Sport" )
+      proposal = create(:proposal, tag_list: "Sport" )
+      create(:follow, followable: proposal, user: user)
+
+      result = Debate.recommendations(user).sort_by_recommendations
+
+      expect(result.first).to eq debate3
+      expect(result.second).to eq debate2
+      expect(result.third).to eq debate1
+    end
+
+    it "Should return debates related with user interests" do
+      debate1 =  create(:debate, tag_list: "Sport")
+      debate2 =  create(:debate, tag_list: "Politics")
+      proposal1 =  create(:proposal, tag_list: "Sport")
+      create(:follow, followable: proposal1, user: user)
+
+      result = Debate.recommendations(user)
+
+      expect(result.size).to eq 1
+      expect(result).to eq [debate1]
+    end
+
+    it "Should not return debates when user is the author" do
+      debate1 =  create(:debate, author: user, tag_list: "Sport")
+      debate2 =  create(:debate, tag_list: "Sport")
+      proposal = create(:proposal, tag_list: "Sport" )
+      create(:follow, followable: proposal, user: user)
+
+      result = Debate.recommendations(user)
+
+      expect(result.size).to eq 1
+      expect(result).to eq [debate2]
+    end
+
+  end
 end

spec/models/proposal_spec.rb

@@ -891,4 +891,63 @@ describe Proposal do
     end
 
   end
+
+  describe "#recommendations" do
+
+    let(:user)     { create(:user) }
+
+    it "Should not return any proposals when user has not interests" do
+      create(:proposal)
+
+      expect(Proposal.recommendations(user).size).to eq 0
+    end
+
+    it "Should return proposals ordered by cached_votes_up" do
+      proposal1 = create(:proposal, cached_votes_up: 1,  tag_list: "Sport" )
+      proposal2 = create(:proposal, cached_votes_up: 5,  tag_list: "Sport" )
+      proposal3 = create(:proposal, cached_votes_up: 10, tag_list: "Sport" )
+      proposal4 = create(:proposal, tag_list: "Sport" )
+      create(:follow, followable: proposal4, user: user)
+
+      result = Proposal.recommendations(user).sort_by_recommendations
+
+      expect(result.first).to eq proposal3
+      expect(result.second).to eq proposal2
+      expect(result.third).to eq proposal1
+    end
+
+    it "Should return proposals related with user interests" do
+      proposal1 =  create(:proposal, tag_list: "Sport")
+      proposal2 =  create(:proposal, tag_list: "Sport")
+      proposal3 =  create(:proposal, tag_list: "Politics")
+      create(:follow, followable: proposal1, user: user)
+
+      result = Proposal.recommendations(user)
+
+      expect(result.size).to eq 1
+      expect(result).to eq [proposal2]
+    end
+
+    it "Should not return proposals when user is follower" do
+      proposal1 =  create(:proposal, tag_list: "Sport")
+      create(:follow, followable: proposal1, user: user)
+
+      result = Proposal.recommendations(user)
+
+      expect(result.size).to eq 0
+    end
+
+    it "Should not return proposals when user is the author" do
+      proposal1 =  create(:proposal, author: user, tag_list: "Sport")
+      proposal2 =  create(:proposal, tag_list: "Sport")
+      proposal3 =  create(:proposal, tag_list: "Sport")
+      create(:follow, followable: proposal3, user: user)
+
+      result = Proposal.recommendations(user)
+
+      expect(result.size).to eq 1
+      expect(result).to eq [proposal2]
+    end
+
+  end
 end

spec/views/welcome/index.html.erb_spec.rb

@@ -0,0 +1,43 @@
+require "rails_helper"
+
+RSpec.describe "welcome/index" do
+
+  it 'Display images on orbit carrousel when we have defined image_default' do
+    debate = create(:debate)
+
+    render template: "welcome/_recommended_carousel.html.erb",
+           locals: { key: "debates",
+                     recommendeds: [debate],
+                     image_field: nil,
+                     image_version: nil,
+                     image_default: "https://dummyimage.com/600x400/000/fff",
+                     carousel_size: "medium-6 large-6 medium-centered large-centered",
+                     btn_text_link: t("welcome.recommended.debates.btn_text_link"),
+                     btn_path_link: debates_path(order: "recommendations")}
+
+    within 'li[data-slide="0"] .card' do
+      expect(page).to have_selector("img")
+    end
+
+  end
+
+  it 'Not display images on orbit carrousel when we have not defined image_default' do
+    debate = create(:debate)
+
+    render template: "welcome/_recommended_carousel.html.erb",
+           locals: { key: "debates",
+                     recommendeds: [debate],
+                     image_field: nil,
+                     image_version: nil,
+                     image_default: nil,
+                     carousel_size: "medium-6 large-6 medium-centered large-centered",
+                     btn_text_link: t("welcome.recommended.debates.btn_text_link"),
+                     btn_path_link: debates_path(order: "recommendations")}
+
+    within 'li[data-slide="0"] .card' do
+      expect(page).not_to have_selector("img")
+    end
+
+  end
+
+end