Module: ActiveRecord::Concerns::Seeds

Defined in:
app/lib/active_record/concerns/seeds.rb

Instance Method Summary collapse

Instance Method Details

#create(model, attrs, vals = nil) ⇒ Object

> first_or_initialize

> snippets.aktagon.com/snippets/620-rails-find-or-initialize-and-find-or-create-methods-are-deprecated



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# File 'app/lib/active_record/concerns/seeds.rb', line 11

def create model, attrs, vals=nil

  # => Model
  # => http://stackoverflow.com/a/32869926/1143732
  model = model.to_s.titleize.gsub(" ","::")
  model = model.constantize rescue nil

  # => Model exists
  unless model.nil?

    # => Setup
  	payload = model.where(attrs).first_or_initialize
    is_new  = payload.new_record?

    # => Action
    payload.update vals || attrs

    # => Output
    if payload.valid?
      puts "#{payload.class.name} #{is_new ? 'Created' : 'Updated'} - #{payload.ref}" + (payload.has_attribute?(:val) ? " → #{payload.val}" : nil)
    else
      puts "#{payload.class.name} Error - #{payload.errors.full_messages}"
    end

  else
    puts "Model Not Initialized"
  end

end

#iterate(model, h, ref = nil) ⇒ Object

> Iterate over hash or array

> stackoverflow.com/a/16413593/1143732



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# File 'app/lib/active_record/concerns/seeds.rb', line 46

def iterate model, h, ref=nil
  return h unless h.is_a?(Hash) || h.is_a?(Array) # => Return if not hash

  # => Linebreak
  puts "\n"

  # => Proceed if hash/array
  h.each do |k,v|

    # If v is nil, an array is being iterated and the value is k.
    # If v is not nil, a hash is being iterated and the value is v.
    value = v || k

    # Ref
    # If exists, need to prepend ref_
    reference = v ? "#{ref}#{'_' if ref}#{k}" : ref

    # => Iterate or continue
    if value.is_a?(Hash) || value.is_a?(Array)
      iterate model, value, k
    else
      create model, { ref: reference, val: value }, { seed: true }
    end
  end

end