committed James' emailed code

wp_ar.rb

@@ -0,0 +1,89 @@
+require 'rubygems'
+require 'activerecord'
+
+# Adapted from http://snippets.dzone.com/posts/show/1314 and
+# considerably extended
+
+class ActiveRecord::Wordpress < ActiveRecord::Base
+ establish_connection(
+   :adapter => "mysql",
+   :host => "localhost",
+   :username => "",
+   :database => ""
+ )
+end
+
+class WpBlogComment < ActiveRecord::Wordpress
+
+ # if wordpress tables live in a different database (i.e. 'wordpress') change the following
+ # line to set_table_name "wordpress.wp_comments"
+ # don't forget to give the db user permissions to access the wordpress db
+ set_table_name "wp_comments"
+ set_primary_key "comment_ID"
+
+ belongs_to :post , :class_name => "WpBlogPost", :foreign_key => "comment_post_ID"
+
+ validates_presence_of :comment_post_ID, :comment_author, :comment_content, :comment_author_email
+
+ def validate_on_create
+   if WpBlogPost.find(comment_post_ID).comment_status != 'open'
+     errors.add_to_base('Sorry, comments are closed for this post')
+   end
+ end
+
+end
+
+class WpPostMeta < ActiveRecord::Wordpress
+ set_table_name "wp_postmeta"
+ set_primary_key "meta_id"
+ belongs_to :blog_post, :foreign_key => :post_id, :class_name => 'WpBlogPost'
+end
+
+class WpBlogPost < ActiveRecord::Wordpress
+
+ set_table_name "wp_posts"
+ set_primary_key "ID"
+
+ has_many :comments, :class_name => "WpBlogComment", :foreign_key => "comment_post_ID"
+ has_many :metas, :class_name => 'WpPostMeta', :foreign_key => 'post_id'
+
+ has_many :term_relationships, :class_name => 'WpTermRelationship', :foreign_key => 'object_id'
+ has_many :term_taxonomies, :through => :term_relationships
+ has_many :taggings, :through => :term_relationships, :source => :term_taxonomy, :conditions => ['wp_term_taxonomy.taxonomy = ?', 'post_tag']
+
+ named_scope :published, :conditions => {:post_status => 'publish'}
+ default_scope :order => 'post_date DESC'
+
+ def tags
+   taggings.collect(&:term)
+ end
+
+ def self.find_by_permalink(year, month, day, title)
+   first(:conditions => ["YEAR(post_date) = ? AND MONTH(post_date) = ? AND DAYOFMONTH(post_date) = ? AND post_name = ?",
+     year.to_i, month.to_i, day.to_i, title])
+ end
+end
+
+class WpTerm < ActiveRecord::Wordpress
+ set_table_name 'wp_terms'
+ set_primary_key 'term_id'
+ has_many :taxonomies, :class_name => 'WpTermTaxonomy', :foreign_key => 'term_id'
+ has_many :relationships, :through => :taxonomies
+
+ def posts
+   relationships.collect(&:post)
+ end
+end
+
+class WpTermTaxonomy < ActiveRecord::Wordpress
+ set_table_name "wp_term_taxonomy"
+ set_primary_key 'term_taxonomy_id'
+ belongs_to :term, :class_name => 'WpTerm'
+ has_many :relationships, :class_name => 'WpTermRelationship', :foreign_key => 'term_taxonomy_id'
+end
+
+class WpTermRelationship < ActiveRecord::Wordpress
+ set_table_name "wp_term_relationships"
+ belongs_to :post, :class_name => 'WpBlogPost', :foreign_key => 'object_id'
+ belongs_to :term_taxonomy, :class_name => 'WpTermTaxonomy'
+end