added moveable type 3 importer by Patrick Lenz to scripts folder

git-svn-id: http://svn.typosphere.org/typo/trunk@107 820eb932-12ee-0310-9ca8-eeb645f39767

app/helpers/articles_helper.rb

@@ -5,7 +5,7 @@ def responses(collection, word)
     when 0
       "no #{word}s"
     when 1
-      "#{collection.count} #{word}"
+      "1 #{word}"
     else
       "#{collection.count} #{word}s"
     end

script/mt3.rb

@@ -0,0 +1,128 @@
+#!/usr/local/bin/ruby
+
+# MovableType 3.x converter for typo by Patrick Lenz <patrick@lenz.sh>
+# 
+# MAKE BACKUPS OF EVERYTHING BEFORE RUNNING THIS SCRIPT!
+# THIS SCRIPT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND
+
+require File.dirname(__FILE__) + '/../config/environment'
+require 'optparse'
+
+class MTMigrate
+  attr_accessor :options
+
+  def initialize
+    self.options = {}
+    self.parse_options
+    self.convert_categories
+    self.convert_entries
+  end
+
+  def convert_categories
+    mt_categories = ActiveRecord::Base.connection.select_all(%{
+      SELECT category_label AS name
+      FROM `#{self.options[:mt_db]}`.mt_category
+      WHERE category_blog_id = '#{self.options[:blog_id]}'
+    })
+
+    puts "Converting #{mt_categories.size} categories.."
+
+    mt_categories.each do |cat|
+      Category.create(cat) unless Category.find_by_name(cat['name'])
+    end
+  end
+
+  def convert_entries
+    mt_entries = ActiveRecord::Base.connection.select_all(%{
+      SELECT
+        entry_id,
+        entry_allow_comments AS allow_comments,
+        entry_allow_pings AS allow_pings,
+        entry_title AS title,
+        entry_text AS body,
+        entry_text_more AS extended,
+        entry_excerpt AS excerpt,
+        entry_keywords AS keywords,
+        entry_created_on AS created_at,
+        entry_modified_on AS updated_at,
+        author_name AS author        
+      FROM `#{self.options[:mt_db]}`.mt_entry, `#{self.options[:mt_db]}`.mt_author
+      WHERE entry_blog_id = '#{self.options[:blog_id]}'
+      AND author_id = entry_author_id
+    })
+
+    puts "Converting #{mt_entries.size} entries.."
+
+    mt_entries.each do |entry|
+      a = Article.new
+      a.attributes = entry.reject { |k,v| k == "entry_id" }
+      a.save
+
+      # Fetch category assignments
+      ActiveRecord::Base.connection.select_all(%{
+        SELECT category_label, placement_is_primary
+        FROM `#{self.options[:mt_db]}`.mt_category, `#{self.options[:mt_db]}`.mt_entry, `#{self.options[:mt_db]}`.mt_placement
+        WHERE entry_id = #{entry['entry_id']}
+        AND category_id = placement_category_id
+        AND entry_id = placement_entry_id
+      }).each do |c|
+        a.categories.push_with_attributes(Category.find_by_name(c['category_label']), :is_primary => c['placement_is_primary'])
+      end
+
+      # Fetch comments
+      ActiveRecord::Base.connection.select_all(%{
+        SELECT
+          comment_author AS author,
+          comment_email AS email,
+          comment_url AS url,
+          comment_text AS body,
+          comment_created_on AS created_at,
+          comment_modified_on AS updated_at          
+        FROM `#{self.options[:mt_db]}`.mt_comment
+        WHERE comment_entry_id = #{entry['entry_id']}
+      }).each do |c|
+        a.comments.create(c)
+      end
+
+      # Fetch trackbacks
+      ActiveRecord::Base.connection.select_all(%{
+        SELECT
+          tbping_title AS title,
+          tbping_excerpt AS excerpt,
+          tbping_source_url AS url,
+          tbping_ip AS ip,
+          tbping_blog_name AS blog_name,
+          tbping_created_on AS created_at,
+          tbping_modified_on AS updated_at
+        FROM `#{self.options[:mt_db]}`.mt_tbping, `#{self.options[:mt_db]}`.mt_trackback
+        WHERE tbping_tb_id = trackback_id
+        AND trackback_entry_id = #{entry['entry_id']}
+      }).each do |tb|
+        a.trackbacks.create(tb)
+      end
+    end
+  end
+
+  def parse_options
+    OptionParser.new do |opt|
+      opt.banner = "Usage: mt3.rb [options]"
+
+      opt.on('--blog-id BLOGID', Integer, 'Blog ID to import from.') { |i| self.options[:blog_id] = i }
+      opt.on('--db DBNAME', String, 'Movable Type database name.') { |d| self.options[:mt_db] = d }
+
+      opt.on_tail('-h', '--help', 'Show this message.') do
+        puts opt
+        exit
+      end
+
+      opt.parse!(ARGV)
+    end
+
+    unless self.options.include?(:blog_id) and self.options.include?(:mt_db)
+      puts "See mt3.rb --help for help."
+      exit
+    end
+  end
+end
+
+MTMigrate.new