Move more stuff in to DataConversion::Base, refactor method names. Add spec for importer.

lib/data_conversion/base.rb

@@ -16,5 +16,13 @@ module DataConversion
       end
       Rails.logger.debug(message) if Rails.logger
     end
+
+    def export_directory
+      "tmp/export-for-mysql"
+    end
+
+    def export_path
+      "#{Rails.root}/#{export_directory}"
+    end
   end
 end

lib/data_conversion/export_from_mongo.rb

@@ -21,18 +21,10 @@ module DataConversion
        :force_quotes => false}
     end
 
-    def dirname
-      "export-for-mysql"
-    end
-
-    def dirpath
-      "#{Rails.root}/#{dirname}"
-    end
-
     def clear_dir
-      `rm -rf #{dirpath}`
-      `mkdir -p #{dirpath}/json`
-      `mkdir -p #{dirpath}/csv`
+      `rm -rf #{export_path}`
+      `mkdir -p #{export_path}/json`
+      `mkdir -p #{export_path}/csv`
     end
 
     def db_name
@@ -72,10 +64,10 @@ module DataConversion
       log "Starting JSON export..."
       models.each do |model|
         log "Starting #{model[:name]} JSON export..."
-        filename ="#{dirpath}/json/#{model[:name]}.json"
+        filename ="#{export_path}/json/#{model[:name]}.json"
         model[:json_file] = filename
         `#{json_for_model(model[:name])} > #{filename}`
-        log "Completed #{model[:name]} JSON export to #{dirname}/json/#{model[:name]}.json."
+        log "Completed #{model[:name]} JSON export to #{export_directory}/json/#{model[:name]}.json."
       end
       log "JSON export complete."
     end
@@ -90,7 +82,7 @@ module DataConversion
       log "Converting #{model_hash[:name]} json to csv"
       json_file = File.open(model_hash[:json_file])
 
-      csv = CSV.open("#{dirpath}/csv/#{model_hash[:name]}.csv", 'w')
+      csv = CSV.open("#{export_path}/csv/#{model_hash[:name]}.csv", 'w')
       csv << model_hash[:attrs]
 
       json_file.each do |aspect_json|
@@ -148,10 +140,10 @@ module DataConversion
       log "Converting #{model_hash[:name]} json to csv"
       json_file = File.open(model_hash[:json_file])
 
-      people_csv = CSV.open("#{dirpath}/csv/#{model_hash[:name]}.csv", 'w')
+      people_csv = CSV.open("#{export_path}/csv/#{model_hash[:name]}.csv", 'w')
       people_csv << model_hash[:attrs]
 
-      profiles_csv = CSV.open("#{dirpath}/csv/profiles.csv", 'w')
+      profiles_csv = CSV.open("#{export_path}/csv/profiles.csv", 'w')
       profiles_csv << model_hash[:profile_attrs]
 
       json_file.each do |aspect_json|
@@ -217,10 +209,10 @@ module DataConversion
       log "Converting #{model_hash[:name]} json to two csvs"
       json_file = File.open(model_hash[:json_file])
 
-      main_csv = CSV.open("#{dirpath}/csv/#{model_hash[:name]}.csv", 'w')
+      main_csv = CSV.open("#{export_path}/csv/#{model_hash[:name]}.csv", 'w')
       main_csv << model_hash[:main_attrs]
 
-      join_csv = CSV.open("#{dirpath}/csv/#{model_hash[:join_table_name]}.csv", 'w')
+      join_csv = CSV.open("#{export_path}/csv/#{model_hash[:join_table_name]}.csv", 'w')
       join_csv << model_hash[:join_table_attrs]
 
       json_file.each do |aspect_json|

lib/data_conversion/import_from_mysql.rb

@@ -0,0 +1,8 @@
+# Copyright (c) 2010, Diaspora Inc.  This file is
+# licensed under the Affero General Public License version 3 or later.  See
+# the COPYRIGHT file.
+
+module DataConversion
+  class ImportToMysql < DataConversion::Base
+  end
+end

spec/lib/data_conversion/import_to_mysql_spec.rb

@@ -0,0 +1,13 @@
+# Copyright (c) 2010, Diaspora Inc.  This file is
+# licensed under the Affero General Public License version 3 or later.  See
+# the COPYRIGHT file.
+
+require 'spec_helper'
+Dir.glob(File.join(Rails.root, 'lib', 'data_conversion', '*.rb')).each { |f| require f }
+
+describe DataConversion::ImportToMysql do
+  before do
+    @migrator = DataConversion::ImportToMysql.new
+  end
+  
+end