add public site-wide green report

app/controllers/main_controller.rb

@@ -35,6 +35,31 @@ class MainController < ApplicationController
   def sascon
   end
 
+  def paper
+    @navbar_color = '#4CAF50'
+
+    @total_notebook_pages   = 0
+    @total_pages_equivalent = 0
+    @total_trees_saved      = 0
+
+    @per_page_savings = {}
+
+    (Rails.application.config.content_types[:all] + [Timeline, Document]).each do |content_type|
+      physical_page_equivalent = GreenService.total_physical_pages_equivalent(content_type)
+      tree_equivalent          = physical_page_equivalent.to_f / GreenService::SHEETS_OF_PAPER_PER_TREE
+
+      @per_page_savings[content_type.name] = {
+        digital: content_type.last.try(:id) || 0,
+        pages:   physical_page_equivalent,
+        trees:   tree_equivalent
+      }
+
+      @total_notebook_pages   += @per_page_savings.dig(content_type.name, :digital)
+      @total_pages_equivalent += @per_page_savings.dig(content_type.name, :pages)
+      @total_trees_saved      += @per_page_savings.dig(content_type.name, :trees)
+    end
+  end
+
   def prompts
     @sidenav_expansion = 'writing'
     @navbar_color = '#FF9800'

app/services/green_service.rb

@@ -45,10 +45,21 @@ class GreenService < Service
   end
 
   def self.total_document_pages_equivalent
-    (Document.with_deleted.sum(:cached_word_count) / AVERAGE_WORDS_PER_PAGE.to_f).round
+    (Document.with_deleted.where.not(body: ["", nil]).sum(:cached_word_count) / AVERAGE_WORDS_PER_PAGE.to_f).round
   end
 
   def self.total_timeline_pages_equivalent
     (TimelineEvent.last.id / AVERAGE_TIMELINE_EVENTS_PER_PAGE.to_f).to_i
   end
+
+  def self.total_physical_pages_equivalent(content_type)
+    case content_type.name
+      when 'Timeline'
+        GreenService.total_timeline_pages_equivalent
+      when 'Document'
+        GreenService.total_document_pages_equivalent
+      else
+        GreenService.physical_pages_equivalent_for(content_type.name) * (content_type.last.try(:id) || 0)
+    end
+  end
 end

app/views/data/green.html.erb

@@ -122,7 +122,7 @@
           </thead>
 
           <tbody>
-            <% Rails.application.config.content_type_names[:all].each do |content_type| %>
+            <% (Rails.application.config.content_type_names[:all] + ["Timeline", "Document"]).each do |content_type| %>
               <%
                 content_list_count = content_class_from_name(content_type).last.try(:id) || 0
 

app/views/main/paper.html.erb

@@ -0,0 +1,126 @@
+<div class="row">
+  <div class="col s12">
+    <div class="card">
+      <div class="card-content">
+        <%=
+          image_tag 'tristan/small.png', class: 'right hide-on-small-only', style: 'margin-left: 2em'
+        %>
+
+        <div class="card-title green-text text-darken-2">Going digital saves paper and trees!</div>
+        <br />
+        <p>
+          It's well-known that Notebook.ai offers a wide variety of features that just aren't
+          possible with traditional paper notebooks. However, those aren't the only benefits of
+          going digital!
+        </p>
+        <br />
+        <p>
+          Whether you're worldbuilding with our specialized notebook pages, outlining story
+          timelines, or writing your next novel, every page you create in Notebook.ai directly
+          contributes to less paper being used &mdash; and fewer trees cut down!
+        </p>
+        <div class="clearfix"></div>
+      </div>
+    </div>
+  </div>
+
+  <div class="col s12 m12 l4">
+    <div class="card-panel center green white-text">
+      <h1 style="margin: 0"><%= number_with_delimiter @total_notebook_pages %></h1>
+      digital ideas stored
+    </div>
+  </div>
+  <div class="col s12 m12 l4">
+    <div class="card-panel center green white-text">
+      <h1 style="margin: 0"><%= number_with_delimiter @total_pages_equivalent %></h1>
+      equivalent physical pages
+    </div>
+  </div>
+  <div class="col s12 m12 l4">
+    <div class="card-panel center green white-text">
+      <i class="material-icons left large">park</i>
+      <h1 style="margin: 0"><%= number_with_delimiter @total_trees_saved.round %></h1>
+      trees saved
+    </div>
+  </div>
+
+  <div class="col s12 m12 l8 offset-l4">
+    <div class="card-panelf">
+      <p class="grey-text text-darken-1">
+        <i class="material-icons left green-text">park</i>
+        Note: The average 40-foot pine tree typically yields between 10,000 and 20,000 notebook-quality sheets of paper.
+        For the estimations on this page, we're using a conservative estimate of
+        <%= number_with_delimiter GreenService::SHEETS_OF_PAPER_PER_TREE %> pages per tree.
+      </p>
+    </div>
+  </div>
+</div>
+
+<div class="row">
+  <div class="col s12">
+    <div class="card">
+      <div class="card-content">
+        <div class="card-title">Our community paper footprint</div>
+        <!-- good place for a little bit of copy -->
+        <table>
+          <thead>
+            <tr>
+              <th>Digital content</th>
+              <th>Equivalent physical pages</th>
+              <th>Equivalent trees</th>
+            </tr>
+          </thead>
+
+          <tbody>
+            <% (Rails.application.config.content_type_names[:all] + ["Timeline", "Document"]).each do |content_type| %>
+              <%
+                content_list_count       = @per_page_savings.dig(content_type, :digital)
+                physical_page_equivalent = @per_page_savings.dig(content_type, :pages)
+                tree_equivalent          = @per_page_savings.dig(content_type, :trees)
+              %>
+              <tr>
+                <td>
+                  <i class="material-icons left <%= content_class_from_name(content_type).color %>-text">
+                    <%= content_class_from_name(content_type).icon %>
+                  </i>
+                  <%= number_with_delimiter content_list_count %>
+                  <%= content_type.pluralize content_list_count %>
+                </td>
+                <td>
+                  <i class="material-icons left grey-text">copy_all</i>
+                  <%= number_with_delimiter physical_page_equivalent %>
+                  <%= 'page'.pluralize physical_page_equivalent %>
+                </td>
+                <td>
+                  <i class="material-icons left green-text">park</i>
+                  <%= number_with_delimiter tree_equivalent.round(5) %>
+                  <%= 'tree'.pluralize tree_equivalent %>
+                </td>
+              </tr>
+            <% end %>
+            <tr>
+              <td>Totals</td>
+              <td>
+                <strong>
+                  <i class="material-icons left grey-text">copy_all</i>
+                  <%= number_with_delimiter @total_pages_equivalent %>
+                  <%= 'page'.pluralize @total_pages_equivalent %>
+                </strong>
+              </td>
+              <td>
+                <strong>
+                  <i class="material-icons left green-text">park</i>
+                  <%= number_with_delimiter @total_trees_saved.round(5) %>
+                  <%= 'tree'.pluralize @total_trees_saved %>
+                  saved
+                </strong>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  </div>
+</div>
+
+notebook paper link

config/routes.rb

@@ -168,6 +168,7 @@ Rails.application.routes.draw do
 
   # Info pages
   scope '/about' do
+    get '/paper',   to: 'main#paper',       as: :green_paper
     get '/privacy', to: 'main#privacyinfo', as: :privacy_policy
   end