Kill trailing whitespace in ruby files

app/logical/post_query_builder.rb

@@ -1,24 +1,24 @@
 class PostQueryBuilder
   attr_accessor :query_string, :has_constraints
-  
+
   def initialize(query_string)
     @query_string = query_string
     @has_constraint = false
   end
-  
+
   def has_constraints?
     @has_constraints
   end
-  
+
   def has_constraints!
     @has_constraints = true
   end
-  
+
   def add_range_relation(arr, field, relation)
     return relation if arr.nil?
-    
+
     has_constraints!
-    
+
     case arr[0]
     when :eq
       if arr[1].is_a?(Time)
@@ -38,7 +38,7 @@ class PostQueryBuilder
 
     when :lte
       relation.where(["#{field} <= ?", arr[1]])
-      
+
     when :in
       relation.where(["#{field} in (?)", arr[1]])
 
@@ -76,10 +76,10 @@ class PostQueryBuilder
     if tag_query_sql.any?
       relation = relation.where("posts.tag_index @@ to_tsquery('danbooru', E?)", tag_query_sql.join(" & "))
     end
-    
+
     relation
   end
-  
+
   def add_tag_subscription_relation(subscriptions, relation)
     subscriptions.each do |subscription|
       if subscription =~ /^(.+?):(.+)$/
@@ -93,25 +93,25 @@ class PostQueryBuilder
         return relation if user.nil?
         post_ids = TagSubscription.find_post_ids(user.id)
       end
-      
+
       post_ids = [0] if post_ids.empty?
       relation = relation.where(["posts.id IN (?)", post_ids])
     end
-    
+
     relation
   end
-  
+
   def build
     unless query_string.is_a?(Hash)
       q = Tag.parse_query(query_string)
     end
-    
+
     relation = Post.scoped
-    
+
     if q[:tag_count].to_i > Danbooru.config.tag_query_limit
       raise ::Post::SearchError.new("You cannot search for more than #{Danbooru.config.tag_query_limit} tags at a time")
     end
-    
+
     relation = add_range_relation(q[:post_id], "posts.id", relation)
     relation = add_range_relation(q[:mpixels], "posts.image_width * posts.image_height / 1000000.0", relation)
     relation = add_range_relation(q[:width], "posts.image_width", relation)
@@ -125,12 +125,12 @@ class PostQueryBuilder
     relation = add_range_relation(q[:character_tag_count], "posts.tag_count_character", relation)
     relation = add_range_relation(q[:post_tag_count], "posts.tag_count", relation)
     relation = add_range_relation(q[:pixiv], "substring(posts.source, 'pixiv.net/img.*/([0-9]+)[^/]*$')::integer", relation)
-    
+
     if q[:md5]
       relation = relation.where(["posts.md5 IN (?)", q[:md5]])
       has_constraints!
     end
-    
+
     if q[:status] == "pending"
       relation = relation.where("posts.is_pending = TRUE")
     elsif q[:status] == "flagged"
@@ -167,26 +167,26 @@ class PostQueryBuilder
     if q[:uploader_id_neg]
       relation = relation.where("posts.uploader_id not in (?)", q[:uploader_id_neg])
     end
-    
+
     if q[:uploader_id]
       relation = relation.where("posts.uploader_id = ?", q[:uploader_id])
       has_constraints!
     end
-    
+
     if q[:approver_id_neg]
       relation = relation.where("posts.approver_id not in (?)", q[:approver_id_neg])
     end
-    
+
     if q[:approver_id]
       relation = relation.where("posts.approver_id = ?", q[:approver_id])
       has_constraints!
     end
-    
+
     if q[:parent_id]
       relation = relation.where("(posts.id = ? or posts.parent_id = ?)", q[:parent_id], q[:parent_id])
       has_constraints!
     end
-    
+
     if q[:rating] =~ /^q/
       relation = relation.where("posts.rating = 'q'")
     elsif q[:rating] =~ /^s/
@@ -202,13 +202,13 @@ class PostQueryBuilder
     elsif q[:rating_negated] =~ /^e/
       relation = relation.where("posts.rating <> 'e'")
     end
-    
+
     relation = add_tag_string_search_relation(q[:tags], relation)
-    
+
     if q[:order] == "rank"
       relation = relation.where("posts.score > 0 and posts.created_at >= ?", 2.days.ago)
     end
-    
+
     case q[:order]
     when "id", "id_asc"
       relation = relation.order("posts.id ASC")
@@ -221,10 +221,10 @@ class PostQueryBuilder
 
     when "score_asc"
       relation = relation.order("posts.score ASC, posts.id DESC")
-      
+
     when "favcount"
       relation = relation.order("posts.fav_count DESC, posts.id DESC")
-      
+
     when "favcount_asc"
       relation = relation.order("posts.fav_count ASC, posts.id DESC")