include fix

script/fixes/025_last_commented_at.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+
+ActiveRecord::Base.connection.execute("set statement_timeout = 0")
+ActiveRecord::Base.connection.execute("update posts set last_commented_at = (select max(c.created_at) from comments c where c.post_id = posts.id)")
+TagImplication.find_each do |ti|
+  ta = TagAlias.where("antecedent_name = ? AND status != ?", ti.antecedent_name, "pending").first
+  if ta
+    puts "testing alias #{ta.antecedent_name} -> #{ta.consequent_name}"
+    existing_ti = TagImplication.where("antecedent_name = ? AND consequent_name = ?", ta.consequent_name, ti.consequent_name).first
+    existing_ti.destroy if existing_ti
+
+    if ta.consequent_name == ti.consequent_name
+      puts "  deleting implication #{ti.antecedent_name} -> #{ti.consequent_name}"
+      ti.destroy
+    else
+      puts "  updating implication #{ti.antecedent_name} -> #{ti.consequent_name}"
+      ti.antecedent_name = ta.consequent_name
+      ti.save
+      ti.update_posts
+    end
+
+    puts "  updating alias posts"
+    ta.update_posts
+  end
+end