oh yum, this is really starting to come together :)

app/assets/stylesheets/outfits/_new.sass

@@ -139,11 +139,34 @@ body.outfits-new
   #whats-new
     margin-bottom: 1em
 
-    #newest-items
+    h3
+      font-size: 125%
+      font-style: italic
+      margin-bottom: .5em
+
+    #newest-modeled-items
+      text-align: center
+
+      .object
+        margin: 2px
+        padding: 0
+        width: 80px
+
+        .name
+          display: none
+
+        img
+          margin: 0
+
+        .nc-icon
+          right: 0
+    
+    #newest-unmodeled-items
       list-style: none
 
       li
         +clearfix
+        margin: .5em 0
 
       a.header
         background: $module-bg-color
@@ -153,7 +176,7 @@ body.outfits-new
         color: white
         display: block
         margin-left: 81px
-        padding: .5em .75em
+        padding: .5em 8px
         position: relative
         text-decoration: none
         text-shadow: $text-color 1px 1px 2px
@@ -185,6 +208,14 @@ body.outfits-new
           height: 80px
           width: 80px
 
+      .missing-bodies
+        font-size: 85%
+        margin-left: 82px
+        padding: .5em 8px
+        p
+          font-family: $main-font
+          margin-bottom: .5em
+  
   #latest-contribution
     +subtle-banner
     

app/controllers/outfits_controller.rb

@@ -47,8 +47,25 @@ class OutfitsController < ApplicationController
     end
     
     unless localized_fragment_exist?('outfits#new newest_items')
-      @newest_items = Item.newest.select([:id, :thumbnail_url]).
-        includes(:translations).limit(9)
+      newest_items = Item.newest.select([:id, :thumbnail_url, :rarity_index]).
+        includes(:translations).limit(18)
+      @newest_modeled_items, @newest_unmodeled_items =
+        newest_items.partition(&:predicted_fully_modeled?)
+
+      @newest_unmodeled_items_predicted_missing_species_by_color = {}
+      @newest_unmodeled_items_predicted_modeled_ratio = {}
+      @newest_unmodeled_items.each do |item|
+        h = item.predicted_missing_nonstandard_body_species_by_color(
+          Color.includes(:translations).select([:id]),
+          Species.includes(:translations).select([:id]))
+        standard_species = item.predicted_missing_standard_body_species.
+                                select([:id]).includes(:translations)
+        h[:standard] = standard_species if standard_species.present?
+        @newest_unmodeled_items_predicted_missing_species_by_color[item] = h
+        @newest_unmodeled_items_predicted_modeled_ratio[item] = item.predicted_modeled_ratio
+      end
+
+      @species_count = Species.count
     end
     
     unless localized_fragment_exist?('outfits#new latest_contribution')

app/helpers/outfits_helper.rb

@@ -54,6 +54,27 @@ module OutfitsHelper
     "http://#{Rails.configuration.neopia_host}/api/1/pet/customization"
   end
 
+  def render_predicted_missing_species_by_color(species_by_color)
+    # TODO: i18n
+    standard = species_by_color.delete(:standard)
+    sorted_pairs = species_by_color.to_a.map { |k, v| [k.human_name, v] }.
+                                         sort_by { |k, v| k }
+    sorted_pairs.unshift(['', standard]) if standard
+    species_by_color[:standard] = standard # undo mutation
+
+    first = true
+    contents = sorted_pairs.map { |color_human_name, species|
+      species_sentence = species.map(&:human_name).sort.to_sentence(
+        two_words_connector: ' or ', last_word_connector: ', or ')
+      content = first ? "Have you seen the #{color_human_name} #{species_sentence} wearing this item?" : "Or maybe the #{color_human_name} #{species_sentence}?"
+      first = false
+      content
+    }
+    contents.last << " If so, please model it above! Thanks!"
+    content_tags = contents.map { |c| content_tag(:p, c) }
+    content_tags.join('').html_safe
+  end
+  
   def outfit_creation_summary(outfit)
     user = outfit.user
     user_link = link_to(user.name, user_contributions_path(user))

app/models/item.rb

@@ -193,11 +193,9 @@ class Item < ActiveRecord::Base
   end
   
   def supported_species_ids
-    body_ids = swf_assets.select([:body_id]).map(&:body_id)
+    return Species.select([:id]).map(&:id) if modeled_body_ids.include?(0)
     
-    return Species.select([:id]).map(&:id) if body_ids.include?(0)
-    
-    pet_types = PetType.where(:body_id => body_ids).select('DISTINCT species_id')
+    pet_types = PetType.where(:body_id => modeled_body_ids).select('DISTINCT species_id')
     species_ids = pet_types.map(&:species_id)
     
     # If there are multiple known supported species, it probably supports them
@@ -209,6 +207,106 @@ class Item < ActiveRecord::Base
     species_support_ids.blank? || species_support_ids.include?(species.id)
   end
 
+  def modeled_body_ids
+    @modeled_body_ids ||= swf_assets.select('DISTINCT body_id').map(&:body_id)
+  end
+
+  def modeled_color_ids
+    # Might be empty if modeled_body_ids is 0. But it's currently not called
+    # in that scenario, so, whatever.
+    @modeled_color_ids ||= PetType.select('DISTINCT color_id').
+                                   where(body_id: modeled_body_ids).
+                                   map(&:color_id)
+  end
+
+  def modeled_colors
+    @modeled_colors ||= Color.select([:id, :standard]).find(modeled_color_ids)
+  end
+
+  def modeled_standard_colors?
+    modeled_colors.any?(&:standard)
+  end
+
+  def modeled_nonstandard_colors
+    modeled_colors.reject(&:standard)
+  end
+
+  def predicted_body_ids
+    @predicted_body_ids ||= if modeled_body_ids.include?(0)
+      # Oh, look, it's already known to fit everybody! Sweet. We're done. (This
+      # isn't folded into the case below, in case this item somehow got a
+      # body-specific and non-body-specific asset. In all the cases I've seen
+      # it, that indicates a glitched item, but this method chooses to reflect
+      # behavior elsewhere in the app by saying that we can put this item on
+      # anybody. (Heh. Any body.))
+      modeled_body_ids
+    elsif modeled_body_ids.size == 1
+      # This might just be a species-specific item. Let's be conservative in
+      # our prediction, though we'll revise it if we see another body ID.
+      modeled_body_ids
+    else
+      # If an item is worn by more than one body, then it must be wearable by
+      # all bodies of the same color. (To my knowledge, anyway. I'm not aware
+      # of any exceptions.) So, let's find those bodies by first finding those
+      # colors.
+      PetType.select('DISTINCT body_id').
+              where(color_id: modeled_color_ids).
+              map(&:body_id)
+    end
+  end
+
+  def predicted_missing_body_ids
+    @predicted_missing_body_ids ||= predicted_body_ids - modeled_body_ids
+  end
+
+  def predicted_missing_standard_body_species_ids
+    PetType.select('DISTINCT species_id').
+            joins(:color).
+            where(body_id: predicted_missing_body_ids,
+                  colors: {standard: true}).
+            map(&:species_id)
+  end
+
+  def predicted_missing_standard_body_species
+    Species.where(id: predicted_missing_standard_body_species_ids)
+  end
+
+  def predicted_missing_nonstandard_body_pet_types
+    PetType.joins(:color).
+            where(body_id: predicted_missing_body_ids,
+                  colors: {standard: false})
+  end
+
+  def predicted_missing_nonstandard_body_species_by_color(colors_scope=Color.scoped, species_scope=Species.scoped)
+    pet_types = predicted_missing_nonstandard_body_pet_types
+
+    species_by_id = {}
+    species_scope.find(pet_types.map(&:species_id)).each do |species|
+      species_by_id[species.id] = species
+    end
+
+    colors_by_id = {}
+    colors_scope.find(pet_types.map(&:color_id)).each do |color|
+      colors_by_id[color.id] = color
+    end
+
+    species_by_color = {}
+    pet_types.each do |pt|
+      color = colors_by_id[pt.color_id]
+      species_by_color[color] ||= []
+      species_by_color[color] << species_by_id[pt.species_id]
+    end
+    species_by_color
+  end
+
+  def predicted_fully_modeled?
+    predicted_missing_body_ids.empty?
+  end
+
+  def predicted_modeled_ratio
+    modeled_body_ids.size.to_f / predicted_body_ids.size
+  end
+
   def as_json(options={})
     json = {
       :description => description,

app/views/outfits/new.html.haml

@@ -75,16 +75,27 @@
 #whats-new
   -# TODO: remove newest_items.header i18n key?
   - localized_cache 'outfits#new newest_items' do
-    %ul#newest-items
-      - @newest_items.each do |item|
-        %li
-          = link_to image_tag(item.thumbnail_url), item, :class => 'image-link'
-          = link_to item, :class => 'header' do
-            - lolremove = rand(54)
-            -# TODO: i18n
-            %h2= item.name
-            -#: we need #{lolremove} more models
-            %span.meter{style: "width: #{100-lolremove/0.54}%"}
+    - if @newest_unmodeled_items.present?
+      %h3 We need your help! Can you model these items?
+      %ul#newest-unmodeled-items
+        - @newest_unmodeled_items.each do |item|
+          %li
+            = link_to image_tag(item.thumbnail_url), item, :class => 'image-link'
+            = link_to item, :class => 'header' do
+              -# TODO: i18n
+              %h2= item.name
+              -#: we need #{lolremove} more models
+              %span.meter{style: "width: #{@newest_unmodeled_items_predicted_modeled_ratio[item]*100}%"}
+            .missing-bodies
+              = render_predicted_missing_species_by_color(@newest_unmodeled_items_predicted_missing_species_by_color[item])
+    - if @newest_modeled_items.present?
+      %h3 These items have already been modeled—thanks for your help!
+      %ul#newest-modeled-items
+        - @newest_modeled_items.each do |item|
+          %li.object
+            = link_to item, title: item.name, alt: item.name do
+              = image_tag item.thumbnail_url
+              = nc_icon_for(item)
 
 
 - localized_cache :action_suffix => 'templates' do