Merge pull request #146 from azul/refactor/engines

Refactor/engines

1 files changed, 95 insertions, 0 deletions

diff --git a/lib/extensions/couchrest.rb b/lib/extensions/couchrest.rb
new file mode 100644
index 0000000..95f5d92
--- /dev/null
+++ b/lib/extensions/couchrest.rb
@@ -0,0 +1,95 @@
+module CouchRest
+  module Model
+    module Designs
+
+      class View
+
+        # so we can called Ticket.method.descending or Ticket.method.ascending
+        def ascending
+          self
+        end
+      end
+
+      class DesignMapper
+        def load_views(dir)
+          Dir.glob("#{dir}/*.js") do |js|
+            name = File.basename(js, '.js')
+            file = File.open(js, 'r')
+            view name.to_sym,
+              :map => file.read,
+              :reduce => "function(key, values, rereduce) { return sum(values); }"
+          end
+        end
+      end
+    end
+
+    module Connection
+
+      module ClassMethods
+
+        def use_database(db)
+          @database = prepare_database(db)
+        rescue RestClient::Exception,
+          Errno::EHOSTUNREACH,
+          Errno::ECONNREFUSED => e
+          message = "Could not connect to couch database #{db} due to #{e.to_s}"
+          Rails.logger.warn message
+          raise e.class.new(message) if APP_CONFIG[:reraise_errors]
+        end
+      end
+
+    end
+
+    module Utils
+      module Migrate
+        def self.load_all_models_with_engines
+          self.load_all_models_without_engines
+          return unless defined?(Rails)
+          Dir[Rails.root + 'engines/*/app/models/**/*.rb'].each do |path|
+            require path
+          end
+        end
+
+        class << self
+          alias_method_chain :load_all_models, :engines
+        end
+
+        def dump_all_models
+          prepare_directory
+          find_models.each do |model|
+            model.design_docs.each do |design|
+              dump_design(model, design)
+            end
+          end
+        end
+
+        protected
+
+        def dump_design(model, design)
+          dir = prepare_directory model.name.tableize
+          filename = design.id.sub('_design/','') + '.json'
+          puts dir + filename
+          design.checksum
+          File.open(dir + filename, "w") do |file|
+            file.write(JSON.pretty_generate(design.to_hash))
+          end
+        end
+
+        def prepare_directory(dir = '')
+          dir = Rails.root + 'tmp' + 'designs' + dir
+          Dir.mkdir(dir) unless Dir.exists?(dir)
+          return dir
+        end
+
+      end
+    end
+
+  end
+
+  class ModelRailtie
+    config.action_dispatch.rescue_responses.merge!(
+      'CouchRest::Model::DocumentNotFound' => :not_found,
+      'RestClient::ResourceNotFound' => :not_found
+    )
+  end
+end