refactoring search, removing database from set, fixing show.js to work with new swf

app/models/item.rb

@@ -11,11 +11,9 @@ class Item < ActiveRecord::Base
   
   scope :alphabetize, order('name ASC')
   
-  scope :occupying_zone, lambda { |zone_id|
-    joins('INNER JOIN parents_swf_assets psa ON psa.swf_asset_type = "object" AND psa.parent_id = objects.id').
-    joins('INNER JOIN swf_assets sa ON sa.id = psa.swf_asset_id').
-    where('sa.zone_id = ?', zone_id)
-  }
+  scope :join_swf_assets, joins('INNER JOIN parents_swf_assets psa ON psa.swf_asset_type = "object" AND psa.parent_id = objects.id').
+    joins('INNER JOIN swf_assets ON swf_assets.id = psa.swf_asset_id').
+    group('objects.id')
   
   # Not defining validations, since this app is currently read-only
   
@@ -45,23 +43,66 @@ class Item < ActiveRecord::Base
       elsif c == '"'
         in_phrase = !in_phrase
       elsif c == ':' && !in_phrase
-        query_conditions.last.to_property!
+        query_conditions.last.to_filter!
       elsif c == '-' && !in_phrase && query_conditions.last.empty?
         query_conditions.last.negate!
       else
         query_conditions.last << c
       end
     end
-    query_conditions.inject(self) do |scope, condition|
+    query_conditions.inject(self.scoped) do |scope, condition|
       condition.narrow(scope)
     end
   end
   
   private
   
+  SearchFilterScopes = []
+  
+  def self.search_filter(name, args={})
+    SearchFilterScopes << name.to_s
+    scope "search_filter_#{name}", lambda { |str, negative|
+      condition = yield(str)
+      condition = condition.not if negative
+      rel = where(condition)
+      rel = rel & args[:scope] if args[:scope]
+      rel
+    }
+  end
+  
+  search_filter :name do |name|
+    arel_table[:name].matches("%#{name}%")
+  end
+  
+  search_filter :description do |description|
+    arel_table[:description].matches("%#{description}%")
+  end
+  
+  search_filter :only do |species_name|
+    id = Species.require_by_name(species_name).id
+    arel_table[:species_support_ids].eq(id.to_s)
+  end
+  
+  search_filter :species do |species_name|
+    id = Species.require_by_name(species_name).id
+    ids = arel_table[:species_support_ids]
+    ids.eq('').or(ids.matches_any(
+      id,
+      "#{id},%",
+      "%,#{id},%",
+      "%,#{id}"
+    ))
+  end
+  
+  search_filter :type, {:scope => join_swf_assets} do |zone_set_name|
+    zone_set = Zone::ItemZoneSets[zone_set_name]
+    raise ArgumentError, "Type \"#{zone_set_name}\" does not exist" unless zone_set
+    SwfAsset.arel_table[:zone_id].in(zone_set.map(&:id))
+  end
+  
   class Condition < String
-    def to_property!
-      @property = self.clone
+    def to_filter!
+      @filter = self.clone
       self.replace ''
     end
     
@@ -70,35 +111,19 @@ class Item < ActiveRecord::Base
     end
     
     def narrow(scope)
-      items = Table(:objects)
-      if @property == 'species' || @property == 'only'
-        species = Species.find_by_name(self)
-        raise ArgumentError, "Species \"#{self.humanize}\" does not exist" unless species
-        # TODO: add a many-to-many table to handle this relationship, if
-        # performance becomes an issue
-        ids = items[:species_support_ids]
-        if @property == 'species'
-          condition = ids.eq('').or(ids.matches_any(
-            species.id,
-            "#{species.id},%",
-            "%,#{species.id},%",
-            "%,#{species.id}"
-          ))
-        else
-          condition = items[:species_support_ids].eq(species.id.to_s)
-        end
-      elsif @property == 'description' || @property.blank?
-        column = @property == 'description' ? :description : :name
-        condition = items[column].matches("%#{self}%")
+      if SearchFilterScopes.include?(filter)
+        scope & Item.send("search_filter_#{filter}", self, @negative)
       else
-        raise ArgumentError, "Unknown search filter \"#{@property}\""
+        raise ArgumentError, "Filter #{filter} does not exist"
       end
-      condition = condition.not if @negative
-      scope.where(condition)
+    end
+    
+    def filter
+      @filter || 'name'
     end
     
     def inspect
-      @property ? "#{@property}:#{super}" : super
+      @filter ? "#{@filter}:#{super}" : super
     end
   end
 end

app/models/species.rb

@@ -1,3 +1,9 @@
 class Species < PetAttribute
   fetch_objects!
+  
+  def self.require_by_name(name)
+    species = Species.find_by_name(name)
+    raise ArgumentError, "Species \"#{name.humanize}\" does not exist" unless species
+    species
+  end
 end

app/models/zone.rb

@@ -1,5 +1,6 @@
 class Zone < StaticResource
-  AttributeNames = ['id', 'label', 'depth']
+  AttributeNames = ['id', 'label', 'depth', 'type_id']
+  ItemZoneSets = {}
   
   attr_reader *AttributeNames
 
@@ -12,7 +13,13 @@ class Zone < StaticResource
   n = 0
   @objects = YAML.load_file(Rails.root.join('config', 'zones.yml')).map do |a|
     a['id'] = (n += 1)
-    new(a)
+    obj = new(a)
+    if obj.type_id == 2 || obj.type_id == 3
+      zone_name = obj.label.delete(' -').gsub(/item$/, '').downcase
+      ItemZoneSets[zone_name] ||= []
+      ItemZoneSets[zone_name] << obj
+    end
+    obj
   end
   n = nil
 end

config/.gitignore

@@ -0,0 +1 @@
+database.yml

config/database.yml

@@ -1,21 +0,0 @@
-development:
-  adapter: mysql
-  encoding: utf8
-  database: wearables
-  pool: 5
-  username: wearables
-
-# Warning: The database defined as "test" will be erased and
-# re-generated from your development database when you run "rake".
-# Do not set this db to the same as development or production.
-test:
-  adapter: sqlite3
-  database: db/test.sqlite3
-  pool: 5
-  timeout: 5000
-
-production:
-  adapter: sqlite3
-  database: db/production.sqlite3
-  pool: 5
-  timeout: 5000

public/javascripts/items/show.js

@@ -42,7 +42,7 @@ function PetType() {
   var pet_type = this, loaded_data = false, loaded_assets = false;
   
   this.activated = true;
-  this.assets = true;
+  this.assets = [];
   
   this.deactivate = function (error, args) {
     var msg;
@@ -182,20 +182,17 @@ Item.createFromLocation = function () {
 Preview = new function Preview() {
   var swf_id, swf, updateWhenFlashReady = false;
   
-  this.setFlashIsReady = function () {
+  window.previewSWFIsReady = function () {
     swf = document.getElementById(swf_id);
     if(updateWhenFlashReady) this.update();
   }
   
   this.update = function (assets) {
-    var assets = [], asset_sources = [
-      PetType.current.assets,
-      Item.current.getAssetsForPetType(PetType.current)
-    ];
+    var assets;
     if(swf) {
-      $.each(asset_sources, function () {
-        assets = assets.concat(this);
-      });
+      assets = PetType.current.assets.concat(
+        Item.current.getAssetsForPetType(PetType.current)
+      );
       assets = $.grep(assets, function (asset) {
         var visible = $.inArray(asset.zone_id, Item.current.restricted_zones) == -1;
         if(visible) asset.local_path = asset.local_url;
@@ -249,4 +246,4 @@ speciesList.each(function () {
 
 setTimeout($.proxy(Item.current, 'loadAllStandard'), 5000);
 
-MainWardrobe = { View: { Outfit: Preview } };
+var SWFLog = $.noop;