Merge pull request #1555 from consul/budgets-results

Budget Results

app/assets/stylesheets/admin.scss

@@ -312,6 +312,11 @@ body.admin {
   }
 }
 
+[class^="icon-"].delete {
+  border: 0;
+  font-size: $base-font-size;
+}
+
 .verified {
   color: $check;
 

app/assets/stylesheets/layout.scss

@@ -234,6 +234,14 @@ a {
       color: $brand;
     }
   }
+
+  &.no-margin-top {
+    margin-top: 0;
+  }
+
+  &.no-padding-top {
+    padding-top: 0;
+  }
 }
 
 .small {
@@ -1194,6 +1202,16 @@ table {
   }
 }
 
+.table-for-mobile {
+
+  @include breakpoint(medium down) {
+    th, td  {
+      display: block;
+      text-align: left;
+    }
+  }
+}
+
 // 12. Social
 // ----------
 

app/controllers/budgets/results_controller.rb

@@ -0,0 +1,21 @@
+module Budgets
+  class ResultsController < ApplicationController
+
+    load_and_authorize_resource :budget
+
+    def show
+      @result = load_result
+    end
+
+    private
+
+      def load_result
+        Budget::Result.new(@budget, heading)
+      end
+
+      def heading
+        @budget.headings.find(params[:heading_id])
+      end
+
+  end
+end

app/helpers/application_helper.rb

@@ -55,4 +55,8 @@ module ApplicationHelper
   def content_block(name, locale)
     SiteCustomization::ContentBlock.block_for(name, locale)
   end
+
+  def format_price(number)
+    number_to_currency(number, precision: 0, locale: I18n.default_locale)
+  end
 end

app/models/budget/investment.rb

@@ -33,6 +33,7 @@ class Budget
     validates :terms_of_service, acceptance: { allow_nil: false }, on: :create
 
     scope :sort_by_confidence_score, -> { reorder(confidence_score: :desc, id: :desc) }
+    scope :sort_by_ballots,          -> { reorder(ballot_lines_count: :desc, id: :desc) }
     scope :sort_by_price,            -> { reorder(price: :desc, confidence_score: :desc, id: :desc) }
     scope :sort_by_random,           -> { reorder("RANDOM()") }
 

app/models/budget/result.rb

@@ -0,0 +1,55 @@
+class Budget
+  class Result
+
+    attr_accessor :budget, :heading, :money_spent, :current_investment
+
+    def initialize(budget, heading)
+      @budget = budget
+      @heading = heading
+    end
+
+    def calculate_winners
+      reset_winners
+      investments.each do |investment|
+        @current_investment = investment
+        if inside_budget?
+          set_winner
+        end
+      end
+    end
+
+    def investments
+      heading.investments.selected.sort_by_ballots
+    end
+
+    def inside_budget?
+      available_budget >= @current_investment.price
+    end
+
+    def available_budget
+      total_budget - money_spent
+    end
+
+    def total_budget
+      heading.price
+    end
+
+    def money_spent
+      @money_spent ||= 0
+    end
+
+    def reset_winners
+      investments.update_all(winner: false)
+    end
+
+    def set_winner
+      @money_spent += @current_investment.price
+      @current_investment.update(winner: true)
+    end
+
+    def winners
+      investments.where(winner: true)
+    end
+
+  end
+end

app/views/budgets/results/_results_table.html.erb

@@ -0,0 +1,72 @@
+<div class="small-12 medium-9 column" id="results-container">
+  <h3 class="inline-block">
+    <%= heading.name %>
+  </h3>
+
+  <%= link_to t("budgets.results.show_all_link"), "#",
+              class: "js-toggle-link button hollow margin-bottom float-right",
+              data: {'toggle-selector' => '.js-discarded',
+                     'toggle-text' => t("budgets.results.hide_discarded_link")} %>
+
+  <table id="budget-investments-results" class="table-for-mobile">
+    <thead>
+      <tr>
+        <th scope="col">
+          <%= t("budgets.results.spending_proposal") %>
+        </th>
+        <th scope="col" class="text-center">
+          <%= t("budgets.results.ballot_lines_count") %>
+        </th>
+        <th scope="col" class="text-center">
+          <%= t("budgets.results.price") %>
+        </th>
+        <th scope="col" class="text-right">
+          <%= format_price(heading.price) %><br>
+          <small><%= t("budgets.results.amount_available") %></small>
+        </th>
+      </tr>
+    </thead>
+
+    <tbody>
+      <% amount_available = heading.price %>
+      <% @result.investments.each do |investment| %>
+        <% if investment.winner? %>
+          <tr id="<%= dom_id(investment) %>"
+              class="spending_proposal success">
+        <% else %>
+          <tr id="<%= dom_id(investment) %>"
+              class="spending_proposal js-discarded" style="display:none">
+        <% end %>
+            <td>
+              <% if investment.winner? %>
+                <span class="icon-check">
+                  <span class="sr-only">
+                    <%= t("budgets.results.accepted") %>
+                  </span>
+                </span>
+              <% else %>
+                <span class="icon-x delete">
+                  <span class="sr-only">
+                    <%= t("budgets.results.discarded") %>
+                  </span>
+                </span>
+              <% end %>
+              <%= link_to investment.title,
+                          budget_investment_path(@budget, investment) %>
+            </td>
+            <td class="text-center">
+              <%= investment.ballot_lines_count %>
+            </td>
+            <td class="text-center">
+              <%= format_price investment.price %>
+            </td>
+            <td class="small text-right"
+                title="<%= format_price(amount_available) %> - <%= format_price(investment.price) %>">
+                <%= format_price amount_available - investment.price %>
+                <% amount_available -= investment.price if investment.winner? %>
+            </td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+</div>

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

@@ -0,0 +1,38 @@
+<% provide :title, t("budgets.results.page_title", budget: @budget.name) %>
+<% content_for :canonical do %>
+  <%= render "shared/canonical", href: budget_results_url(@budget, heading_id: @result.heading) %>
+<% end %>
+
+<div class="expanded budget no-margin-top">
+  <div class="row">
+    <div class="small-12 column padding text-center">
+      <%= back_link_to budget_path(@budget) %>
+
+      <h2 class="title">
+        <%= @budget.name %><br>
+        <%= t("budgets.results.heading") %>
+      </h2>
+    </div>
+  </div>
+</div>
+
+<div class="row margin-top">
+  <div class="small-12 medium-3 column">
+    <ul class="menu vertical no-margin-top no-padding-top">
+      <li>
+        <strong>
+          <%= t("budgets.results.geozone_selection_title") %>
+        </strong>
+      </li>
+
+      <% @budget.headings.each do |heading| %>
+        <li>
+          <%= link_to heading.name,
+                      budget_results_path(@budget, heading_id: heading.id) %>
+        </li>
+      <% end %>
+    </ul>
+  </div>
+
+  <%= render 'results_table', heading: @result.heading %>
+</div>

app/views/budgets/show.html.erb

@@ -35,6 +35,12 @@
           </div>
         <% end %>
       <% end %>
+
+      <% if @budget.finished? %>
+        <%= link_to t("budgets.show.see_results"),
+                    budget_results_path(@budget, heading_id: @budget.headings.first),
+                    class: "button margin-top expanded" %>
+      <% end %>
     </div>
   </div>
 </div>