Class: CSVToSeed

Inherits:
Object
  • Object
show all
Defined in:
lib/csv_to_seed.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ CSVToSeed

Returns a new instance of CSVToSeed.



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# File 'lib/csv_to_seed.rb', line 6

def initialize(args)
  @csv_path_to_file = args[:csv_path_to_file]
  @name_of_array = args[:name_of_array]
  validate_name_of_array(@name_of_array)
end

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/csv_to_seed.rb', line 4

def file
  @file
end

#headers ⇒ Object

Returns the value of attribute headers.



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# File 'lib/csv_to_seed.rb', line 4

def headers
  @headers
end

#name_of_array ⇒ Object

Returns the value of attribute name_of_array.



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# File 'lib/csv_to_seed.rb', line 4

def name_of_array
  @name_of_array
end

Instance Method Details

#csv_object ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 21

def csv_object
  CSV.new(get_csv_body.to_s, {:headers => true, :header_converters => :symbol, :converters => :all})
end

#csv_to_hash ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 25

def csv_to_hash

  @headers = ''
  fix_csv = csv_object.to_a.map {|row|
    @headers = row.headers
    row.to_hash
  }

  replace_and_fix_csv_string fix_csv.to_s
end

#get_csv_body ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 12

def get_csv_body
  begin
    @file = File.open(@csv_path_to_file, "rb")
    @file.read
  rescue
    raise 'Invalid file path'
  end
end

#replace_and_fix_csv_string(fix_me) ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 36

def replace_and_fix_csv_string(fix_me)
  fix_me
    .gsub(/\}\,/, "},\n\r")
    .gsub(/\[\{/, "[\n\r{")
    .gsub(/\}\]/, "}\n\r]")
    .gsub(/\{\:/, "{\s:")
    .gsub(/\}\,/, "\s},")
end

#set_string_to_create_loop ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 49

def set_string_to_create_loop
  if @headers.empty?
    csv_to_hash
  end
  inside_vars = ''
  @headers.each do |header|
    inside_vars = inside_vars + 
  <<-TEXT
      support_practice.#{header.to_s} = attributes[:#{header.to_s}]
  TEXT
  end
  <<-TEXT
  #{@name_of_array}.each do |attributes|
    Static::SupportPracticeLu.find_or_initialize_by_name(attributes[:name]).tap do |support_practice|
      #{inside_vars}
      support_practice.save!
    end
  end
  TEXT
end

#validate_name_of_array(value) ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 45

def validate_name_of_array(value)
  raise 'Must be a valid variable name' if (value =~ /^[a-z_][a-zA-Z_0-9]*$/).nil?
end

#write_seedrb_file ⇒ Object 



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# File 'lib/csv_to_seed.rb', line 70

def write_seedrb_file
  File.write(Dir.pwd + '/db/seeds.rb', "\n\r#{@name_of_array} = #{csv_to_hash} \n\r #{set_string_to_create_loop}", File.size(Dir.pwd + '/db/seeds.rb'), mode: 'a')
  @file.close
end