Class: Configure::Questioner

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

Overview

Make Questioner accesible as in: Configure::Questioner.run() “Questioner” simply starts an interactive prompt to guide the user in configuring src/config/agular_init.config.json, which is a JSON file that holds all the global configurable options (like language to use, templates, etc.)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) {|_self| ... } ⇒ Questioner

Returns a new instance of Questioner.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/ngi/configure.rb', line 69

def initialize(file)
  @file = file

  @global = @file['global']
  # TODO: extend array with this inject function?

  # The options for languages to use
  @languages = @global['languages']

  language_types = @languages.select do |type, languages|
    type if languages.size > 1
  end
  # For example, ['script','markup']
  @lang_types = language_types.collect { |type, _| type }.flatten

  # The properties in key => value format
  # of the properties the user can configure
  @configurable = @global['configurable']

  # An array of the properties that the user is allowed to configure,
  # according to src/config/angular_init.config.json
  @configurable_properties = @configurable.collect { |_k, v| v }

  yield(self) if block_given?
end

Instance Attribute Details

#configurable ⇒ Object (readonly)

Returns the value of attribute configurable.



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# File 'lib/ngi/configure.rb', line 65

def configurable
  @configurable
end

#configurable_properties ⇒ Object (readonly)

Returns the value of attribute configurable_properties.



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# File 'lib/ngi/configure.rb', line 65

def configurable_properties
  @configurable_properties
end

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/ngi/configure.rb', line 64

def file
  @file
end

#global ⇒ Object (readonly)

Returns the value of attribute global.



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# File 'lib/ngi/configure.rb', line 65

def global
  @global
end

#lang_types ⇒ Object (readonly)

Returns the value of attribute lang_types.



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# File 'lib/ngi/configure.rb', line 65

def lang_types
  @lang_types
end

#languages ⇒ Object (readonly)

Returns the value of attribute languages.



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# File 'lib/ngi/configure.rb', line 65

def languages
  @languages
end

Class Method Details

.run(file) ⇒ Object 



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# File 'lib/ngi/configure.rb', line 117

def self.run(file)
  questioner = Questioner.new(file) do |q|
    # First, the user chooses a property
    # to configure (from a list of available
    # properties that *can* be configured)
    property = q.choose_configurable_property

    # #configure_property spits out a hash
    # as the result
    result = q.configure_property(property)

    # The hash that was spit out as the
    # result is "merged" into the original
    # Hash from_json object that came from
    # config/angular_init.config.json
    # and is inside of this instance of Questioner
    q.file['global'][property] = result

    # This just tells the user that we were
    # successful
    result_string_hash = JSHash.new(result).to_str
    puts "#{property.capitalize} set to: #{result_string_hash}"
  end

  # Returns the file so that it can be used
  # (For example, Configure might write this
  # new hash as a JSON file to
  # config/angular_init.config.json)
  questioner.file
end

Instance Method Details

#choose_configurable_property ⇒ Object 



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# File 'lib/ngi/configure.rb', line 95

def choose_configurable_property
  @configurable_properties.each_with_index do |p, i|
    puts "#{i + 1}) #{p.capitalize}: #{JSHash.new(@global[p]).to_str}"
  end

  valid = JSArray.new(@configurable_properties).to_str
  # return
  AskLoop.ask(check: @configurable_properties, valid: valid)
end

#configure_property(property) ⇒ Object

This method delegates to the appropriate Configurable#<method> based on the property that the user has chosen to configure Returns: a Hash of the object, based on the from_json config object from config/angular_init.config.json



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# File 'lib/ngi/configure.rb', line 110

def configure_property(property)
  case property
  when @configurable['language']
    return Configurable.language(self)
  end
end