Class: Reference::Loader

Inherits:
Object
  • Object
show all
Includes:
Mixins::Logging
Defined in:
lib/reference/loader.rb

Overview

Public: This class handles the import of data located in the ‘data/reference/’ folder.

We seed the database with default values for reference data.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Loader

Internal: Creates our instance of Reader, that handles the actual import.



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# File 'lib/reference/loader.rb', line 11

def initialize
  @reader = Interchange::Reader.new
end

Instance Method Details

#perform_import ⇒ Object

Public: The primary interface to this class. We setup to load all reference data in the data/reference/ folder, such that we leave the seed files intact, do not destroy existing data prior, and that we just replace any imports for data that already exists based on each model’s determination of uniqueness.



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# File 'lib/reference/loader.rb', line 20

def perform_import
  log "#{self.class.name} perform_import(): Began import process."
  # Set the parameters guiding how the import should be run:
  cleanup = false
  duplicate_strategy = Enums::DuplicateStrategy::REPLACE

  # Wrap the import process in a block that can log the overall status:
  @reader.mark_import_operation do
    # Kick off the underlying import operation on the model(s) requested:
    root_model_classes.each do |model_class|
      puts "Reference::Loader - Loading reference data (if any) for model: #{model_class.to_s}"
      @reader.import model_class, cleanup, duplicate_strategy, Reference::BASE_PATH
    end
  end
end