Class: ToolsUtil

Inherits:
Object show all
Includes:
Singleton
Defined in:
lib/lib/utils.rb

Class Method Summary collapse

Class Method Details

.get_date(format = '%e %B %Y, %H:%M') ⇒ String

Return a formated DateTime.

Parameters:

  • format (defaults to: '%e %B %Y, %H:%M') —

    with a DateTime format default are: 12 Outubro 2018, 08:29

Returns:



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# File 'lib/lib/utils.rb', line 79

def self.get_date(format = '%e %B %Y, %H:%M')
  I18n.l(DateTime.now, format: format)
end

.get_plain_text(value) ⇒ Object

Return a plain text for content of String or Hash or Array.

Parameters:

  • value —

    Content of variable to translate to Plaint text

Returns:

  • plain text content



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# File 'lib/lib/utils.rb', line 147

def self.get_plain_text(value)
  case value
  when String then "\t#{value.yellow}"
  when Hash, Array
    # old_stdout = $stdout
    # captured_stdio = StringIO.new('', 'w')
    #   $stdout = captured_stdio
    #   ap value, plain: true
    # $stdout = old_stdout
    # captured_stdio.string
    get_plain_text_if_hash_or_array value
  else
    value
  end
end

.get_plain_text_if_hash_or_array(value) ⇒ Object 



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# File 'lib/lib/utils.rb', line 163

def self.get_plain_text_if_hash_or_array(value)
  old_stdout = $stdout
  captured_stdio = StringIO.new('', 'w')
  $stdout = captured_stdio
  ap value, plain: true
  $stdout = old_stdout
  captured_stdio.string
end

.get_variable(variable) ⇒ Object

Get a existent class variable.

Parameters:

  • variable —

    variable name to retrive

Returns:

  • variable value



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# File 'lib/lib/utils.rb', line 132

def self.get_variable(variable)
  instance_variable_get("@#{variable}")
end

.get_variables ⇒ Object

Get all existent class variablea.

Returns:

  • variables



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# File 'lib/lib/utils.rb', line 139

def self.get_variables
  instance_variables
end

.map_value(thing) ⇒ Object 



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# File 'lib/lib/utils.rb', line 44

def self.map_value(thing)
  case thing
  when Hash
    symbolize_keys(thing)
  when Array
    thing.map { |v| map_value(v) }
  else
    thing
  end
end

.set_array_variable(variable, value, aux) ⇒ Object 



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# File 'lib/lib/utils.rb', line 114

def self.set_array_variable(variable, value, aux)
  aux.insert(-1, value)
  set_variable variable, aux
end

.set_hash_variable(variable, value, aux) ⇒ Object 



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# File 'lib/lib/utils.rb', line 106

def self.set_hash_variable(variable, value, aux)
  aux.merge! value
  set_variable variable, aux
rescue StandardError
  ToolsDisplay.show "\tToolsDisplay error [set_variable_ext].".light_red
  ToolsDisplay.show "\tAttempt insert #{variable.class} into Hash variable....".light_red
end

.set_string_variable(variable, value) ⇒ Object 



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# File 'lib/lib/utils.rb', line 102

def self.set_string_variable(variable, value)
  set_variable variable, value
end

.set_variable(variable, value) ⇒ Object

Set a new class variable.

Parameters:

  • variable —

    variable name to set

  • value —

    value for variable

Returns:



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# File 'lib/lib/utils.rb', line 124

def self.set_variable(variable, value)
  instance_variable_set("@#{variable}", value)
end

.set_variable_ext(variable, value) ⇒ Object

Modify the class variable.. String => change value, Hash => merge, Array => insert

Parameters:

  • variable —

    name variable

  • value —

    value veriable

Returns:



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# File 'lib/lib/utils.rb', line 88

def self.set_variable_ext(variable, value)
  return unless instance_variable_defined? "@#{variable}"

  aux = get_variable variable
  case aux.class.to_s
  when 'String'
    set_string_variable variable, value
  when 'Hash'
    set_hash_variable variable, value, aux
  when 'Array'
    set_array_variable variable, value, aux
  end
end

.symbolize_keys(hash) ⇒ Object

Synbolize all keys in hash.

return hash symbolized

Parameters:

  • hash 


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# File 'lib/lib/utils.rb', line 27

def self.symbolize_keys(hash)
  {}.tap do |h|
    hash.each { |key, value| h[key.to_sym] = map_value(value) }
  end
  # hash.each_with_object({}) do |(key, value), result|
  #   new_key = case key
  #             when String then key.to_sym
  #             else key
  #             end
  #   new_value = case value
  #               when Hash then symbolize_keys(value)
  #               else value
  #               end
  #   result[new_key] = new_value
  # end
end

.valid_json?(source) ⇒ Boolean

Test a valid json string.

Parameters:

  • source —

    Json string to be tested

Returns:

  • (Boolean) —

    boolean



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# File 'lib/lib/utils.rb', line 59

def self.valid_json?(source)
  JSON.parse(source) && true
rescue JSON::ParserError
  false
end

.valid_yaml?(source) ⇒ Boolean

Test a valid yaml string.

Parameters:

  • source —

    Yaml string to be tested

Returns:

  • (Boolean) —

    boolean



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# File 'lib/lib/utils.rb', line 69

def self.valid_yaml?(source)
  YAML.parse(source) && true
rescue Psych::SyntaxError
  false
end