Module: SeedDump::DumpMethods

Included in:
SeedDump
Defined in:
lib/seed_dump/dump_methods.rb

Instance Method Summary collapse

Instance Method Details

#attribute_for_inspect(r, k) ⇒ Object

override the rails version of this function to NOT truncate strings



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# File 'lib/seed_dump/dump_methods.rb', line 123

def attribute_for_inspect(r,k)
  value = r.attributes[k]

  if value.is_a?(String) && value.length > 50
    "#{value}".inspect
  elsif value.is_a?(Date) || value.is_a?(Time)
    %("#{value.to_s(:db)}")
  else
    value.inspect
  end
end

#dump_attribute(a_s, r, k, v) ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 42

def dump_attribute(a_s, r, k, v)
  pushed = false
  if v.is_a?(BigDecimal)
    v = v.to_s
  else
    v = attribute_for_inspect(r,k)
  end

  unless k == 'id' && !@opts['with_id']
    if (!(k == 'created_at' || k == 'updated_at') || @opts['timestamps'])
      a_s.push("#{k.to_sym.inspect} => #{v}")
      pushed = true
    end
  end
  pushed
end

#dump_model(model) ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 59

def dump_model(model)
  @id_set_string = ''
  create_hash = ""
  rows = []


  model.find_each(batch_size: (@limit || 1000)) do |record|
    attr_s = [];

    record.attributes.select {|x| x.is_a?(String) }.each do |k,v|
      dump_attribute(attr_s, record, k, v)
    end

    rows.push "#{@indent}{ " << attr_s.join(', ') << " }"

    break if rows.length == @limit
  end

  if @opts['max']
    splited_rows = rows.each_slice(@opts['max']).to_a
    maxsarr = []
    splited_rows.each do |sr|
      maxsarr << "\n#{model}.#{@opts['create_method']}([\n" << sr.join(",\n") << "\n])\n"
    end
    maxsarr.join('')
  else
    "\n#{model}.#{@opts['create_method']}([\n" << rows.join(",\n") << "\n])\n"
  end

end

#dump_models ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 90

def dump_models
  if @models.empty?
    Rails.application.eager_load!

    @seed_rb = ""

    @models = ActiveRecord::Base.descendants.select do |model|
                (model.to_s != 'ActiveRecord::SchemaMigration') && \
                 model.table_exists? && \
                 model.exists?
    end
  end

  @models.sort! { |a, b| a.to_s <=> b.to_s }

  @models.each do |model|
    puts "Adding #{model} seeds." if @opts['verbose']

    @seed_rb << dump_model(model) << "\n\n"
  end

  @seed_rb
end

#initialize ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 7

def initialize
  @opts = {}
  @ar_options = {}
  @indent = ""
  @models = []
  @seed_rb = ""
  @id_set_string = ""
end

#log(msg) ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 34

def log(msg)
  puts msg if @opts['debug']
end

#models ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 38

def models
  @models
end

#output ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 135

def output
  @seed_rb
end

#run(env) ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 139

def run(env)
  setup env

  puts "Appending seeds to #{@opts['file']}." if @opts['append']
  dump_models

  puts "Writing #{@opts['file']}."
  write_file

  puts "Done."
end

#setup(env) ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 16

def setup(env)
  # config
  @opts['verbose'] = env["VERBOSE"].true? || env['VERBOSE'].nil?
  @opts['debug'] = env["DEBUG"].true?
  @opts['with_id'] = env["WITH_ID"].true?
  @opts['timestamps'] = env["TIMESTAMPS"].true? || env["TIMESTAMPS"].nil?
  @opts['models']  = env['MODELS'] || env['MODEL'] || ""
  @opts['file']    = env['FILE'] || "#{Rails.root}/db/seeds.rb"
  @opts['append']  = (env['APPEND'].true? && File.exists?(@opts['file']) )
  @opts['max']     = env['MAX'] && env['MAX'].to_i > 0 ? env['MAX'].to_i : nil
  @indent          = " " * (env['INDENT'].nil? ? 2 : env['INDENT'].to_i)
  @opts['create_method']  = env['CREATE_METHOD'] || 'create!'

  @limit = (env['LIMIT'].to_i > 0) ? env['LIMIT'].to_i : nil

  @models = @opts['models'].split(',').collect {|x| x.strip.underscore.singularize.camelize.constantize }
end

#write_file ⇒ Object 



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# File 'lib/seed_dump/dump_methods.rb', line 114

def write_file
  File.open(@opts['file'], (@opts['append'] ? "a" : "w")) { |f|
    f << "# encoding: utf-8\n"
    f << "# Autogenerated by the db:seed:dump task\n# Do not hesitate to tweak this to your needs\n" unless @opts['append']
    f << "#{@seed_rb}"
  }
end