Class: AttributeStats::StatsGenerator

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

Constant Summary collapse

DEFAULT_OPTIONS = 
{
      consider_defaults_unused: true,
                      defaults: false,
                     formatter: :hash,
 source: :code,
             dormant_table_age: '3.months.ago',
verbose: false }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ StatsGenerator

Returns a new instance of StatsGenerator.



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# File 'lib/stats_generation/stats_generator.rb', line 13

def initialize(opts={})
  @options = DEFAULT_OPTIONS.merge(opts)
end

Instance Attribute Details

#migration ⇒ Object (readonly)

Returns the value of attribute migration.



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# File 'lib/stats_generation/stats_generator.rb', line 3

def migration
  @migration
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/stats_generation/stats_generator.rb', line 3

def options
  @options
end

#table_info ⇒ Object (readonly)

Returns the value of attribute table_info.



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# File 'lib/stats_generation/stats_generator.rb', line 3

def table_info
  @table_info
end

Instance Method Details

#attribute_usage ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 17

def attribute_usage
  fetch_attribute_usage
  output formatter.output_all_attributes
end

#dormant_tables ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 22

def dormant_tables
  fetch_dormant_tables
  output formatter.output_dormant_tables
end

#generate_migration ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 32

def generate_migration
  fetch_empty_attributes
  GenerateMigration.new(table_info: table_info, options: options).output_migration
end

#inspect ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 57

def inspect
  "StatsGenerator(results: #{table_info.to_s[0..200]}, options: #{options})"
end

#set_formatter(formatter_type) ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 43

def set_formatter(formatter_type)
  formatter_was = options[:formatter]
  case formatter_type.to_s.downcase
  when 'json'
    options[:formatter] = :json
  when 'tabular'
    options[:formatter] = :tabular
  when 'hash'
    options[:formatter] = :hash
  end
  @formatter = nil unless options[:formatter] == formatter_was
  options[:formatter]
end

#unused_attribute_references ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 37

def unused_attribute_references
  fetch_empty_attributes
  SetAttributeReferences.new(table_info: table_info, options: options).execute
  output formatter.output_attribute_references
end

#unused_attributes ⇒ Object 



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# File 'lib/stats_generation/stats_generator.rb', line 27

def unused_attributes
  fetch_empty_attributes
  output formatter.output_unused_attributes
end