Class: NexusSeed::Builder::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/nexus_seed/builder/base.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/nexus_seed/builder/base.rb', line 7

def initialize(options = {})
  @options = options
  @find_by_params_field = options[:find_by_params_field].nil? ? :find_by_params : options[:find_by_params_field]
end

Instance Method Details

#after_save(instance, _params = nil) ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 78

def after_save(instance, _params = nil)
  instance
end

#before_save(instance, _params = nil) ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 74

def before_save(instance, _params = nil)
  instance
end

#build(params) ⇒ Object

Raises:

  • (StandardError) 


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# File 'lib/nexus_seed/builder/base.rb', line 22

def build(params)
  # merge defaults with params
  default_params = defaults(params)
  merged_params = if default_params.nil?
    params
  else
    default_params.merge(params)
  end
  final_params = override_params(merged_params)

  instance = klass.new(final_params)

  # set the custom find_by_params if provided
  @find_by_params = if @options.key?(:find_by_params)
    @options[:find_by_params]
  else
    find_by_params(instance, final_params)
  end

  raise StandardError, "Error: find_by_params must not be nil" if @find_by_params.nil?

  before_save(instance, final_params)

  find_by_query = if @find_by_params.is_a?(Hash)
    @find_by_params
  else
    @find_by_params = @find_by_params.is_a?(Array) ? @find_by_params : [@find_by_params]

    query_hash = {}

    @find_by_params.each do |e|
      query_hash[e] = instance[e]
    end

    query_hash
  end

  existing = klass.find_by(find_by_query)

  result = if existing.nil?
    instance.save!
    instance = klass.find_by(find_by_query)
    instance
  else
    existing
  end

  NexusSeed::Builder.add_seed(result) if ENV['NEXUS_SEED_DESTROY'] == 'true'

  after_save(result, final_params)
end

#defaults(params = {}) ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 12

def defaults(params = {}); end

#find_by_params(instance = nil, params = nil) ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 20

def find_by_params(instance = nil, params = nil); end

#model_class ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 18

def model_class; end

#override_params(params = {}) ⇒ Object 



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# File 'lib/nexus_seed/builder/base.rb', line 14

def override_params(params = {})
  params
end