Merge branch 'master' into 499-admin-wildcard-search

app/services/csv_generator.rb

@@ -0,0 +1,29 @@
+class CsvGenerator
+  class << self
+    def generate_csv(objects)
+      class_name = objects.first.class
+      return default_generation(objects) unless custom_csv?(class_name)
+
+      CSV.generate do |csv|
+        csv << class_name.csv_header
+        objects.each { |object| csv << object.as_csv_row }
+      end
+    end
+
+    private
+
+    def default_generation(objects)
+      CSV.generate do |csv|
+        csv << objects.column_names
+        objects.all.find_each { |object| csv << object.attributes.values_at(*objects.column_names) }
+      end
+    end
+
+    def custom_csv?(class_name)
+      [
+        Version::DomainVersion, Version::ContactVersion, Domain,
+        Contact, Invoice, Account, AccountActivity
+      ].include?(class_name)
+    end
+  end
+end

app/services/object_versions_parser.rb

@@ -0,0 +1,28 @@
+class ObjectVersionsParser
+  def initialize(version)
+    @version = version
+  end
+
+  def parse
+    model = @version.item_type.constantize
+    attributes = only_present_fields(model)
+    history_object = model.new(attributes)
+    attach_existing_fields(history_object) unless @version.event == 'destroy'
+
+    history_object
+  end
+
+  private
+
+  def attach_existing_fields(history_object)
+    @version.object_changes.to_h.each do |key, value|
+      method_name = "#{key}=".to_sym
+      history_object.public_send(method_name, value.last) if history_object.respond_to?(method_name)
+    end
+  end
+
+  def only_present_fields(model)
+    field_names = model.column_names
+    @version.object.to_h.select { |key, _value| field_names.include?(key) }
+  end
+end