Class: Localtower::Tools

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

Defined Under Namespace

Classes: ThorTools

Class Method Summary collapse

Class Method Details

.all_columns ⇒ Object 



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# File 'lib/localtower/tools.rb', line 123

def all_columns
  models.map do |model|
    columns = begin
      model.columns
    rescue
      []
    end

    columns.map { |column| column.name }.flatten
  end.flatten.uniq.sort
end

.create_log ⇒ Object

PRIVATE ==============



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# File 'lib/localtower/tools.rb', line 192

def create_log
  return nil if File.exist?(self.log_file)

  File.open(self.log_file, 'w') { |f| f.write('') }
end

.force_reload! ⇒ Object 



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# File 'lib/localtower/tools.rb', line 15

def force_reload!
  app_folders = Dir["#{Rails.root}/app/models/**/*.rb"]
  all_folders = (app_folders).flatten

  all_folders.each do |file|
    begin
      require file
    rescue Exception => e
      puts "Error loading: #{file}, #{e.message}"
    end
  end
end

.indexes_for_model(model) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 80

def indexes_for_model(model)
  indexes = ActiveRecord::Base.connection.indexes(model.table_name)
  return [] if indexes.empty?

  max_size = indexes.map { |index| index.name.size }.max + 1

  list = []

  indexes.each do |index|
    list << {
      unique: index.unique,
      name: index.name,
      columns: index.columns,
      max_size: max_size
    }
  end

  list
end

.indexes_for_model_and_attribute(model, column_name) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 100

def indexes_for_model_and_attribute(model, column_name)
  indexes = self.indexes_for_model(model)

  list = []
  done = []

  indexes.each do |index|
    conditions = index[:columns].include?(column_name.to_s) and not done.include?(index[:name])
    next unless conditions
    infos = {
      unique: index[:unique],
      name: index[:name],
      columns: index[:columns],
      max_size: index[:max_size]
    }

    done << column_name
    list << infos
  end

  list
end

.last_migration_pending ⇒ Object 



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# File 'lib/localtower/tools.rb', line 173

def last_migration_pending
  last_not_run_migration = Localtower::Status.new.run.select {|i| i['status'] == :todo}.sort { |a, b| a['time'] <=> b['time'] }.last

  return nil if last_not_run_migration.blank?
  return nil unless File.exist?(last_not_run_migration["file_full_path"])


  last_not_run_migration["file_full_path"]
end

.line_for_attribute(attribute) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 187

def line_for_attribute(attribute)
  (File.read(last_migration_pending).match(/^\s*t\.(.*)\s*:#{attribute}.*$/) || [])
end

.log(str) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 163

def log(str)
  self.create_log
  log_str = "[#{Time.now}] - #{str}\n"
  File.open(self.log_file, 'a') { |f| f.write(log_str) }
end

.log_file ⇒ Object 



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# File 'lib/localtower/tools.rb', line 169

def log_file
  @log_file ||= Rails.root.join('log', 'localtower.log')
end

.models ⇒ Object 



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# File 'lib/localtower/tools.rb', line 28

def models
  self.force_reload!

  root_klass = defined?(ApplicationRecord) ? ApplicationRecord : ActiveRecord::Base

  root_klass.subclasses - [ActiveRecord::SchemaMigration]
end

.models_presented ⇒ Object 



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# File 'lib/localtower/tools.rb', line 36

def models_presented
  self.force_reload!

  list = []

  self.models.each do |model|
    attributes_list = []

    # Using this trick because the model might exist but not migrated yet
    columns_hash = begin
      model.columns_hash
    rescue
      []
    end

    columns_hash.each do |_k, v|

      belongs_to = nil

      if v.name.strip =~ /\_id$/
        belongs_to = v.name.strip.gsub(/_id$/, "").singularize.camelize
      end

      attributes_list << {
        'name' => v.name.strip,
        'type' => v.sql_type.strip,
        'belongs_to' => belongs_to,
        'type_clean' => v.sql_type.split(' ')[0].strip,
        'primary' => (v.respond_to?(:primary) ? v.primary : false),
        'index' => self.indexes_for_model_and_attribute(model, v.name),
      }
    end

    list << {
      name: model.name,
      underscore: model.name.underscore,
      table_name: model.table_name,
      attributes_list: attributes_list,
    }
  end

  list
end

.pending_migrations ⇒ Object 



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# File 'lib/localtower/tools.rb', line 183

def pending_migrations
  Localtower::Status.new.run.select {|i| i['status'] == :todo}
end

.perform_cmd(cmd_str) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 139

def perform_cmd(cmd_str)
  self.perform_raw_cmd("bundle exec #{cmd_str}")
end

.perform_migration(str) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 135

def perform_migration(str)
  self.perform_cmd("rails g migration #{str}")
end

.perform_raw_cmd(cmd_str) ⇒ Object 



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# File 'lib/localtower/tools.rb', line 143

def perform_raw_cmd(cmd_str)
  root_dir = ::Rails.root

  cmd = "cd \"#{root_dir}\" && #{cmd_str}"
  cmd = cmd.strip

  self.log("DOING...: #{cmd}")

  before_sec = Time.now
  output = `#{cmd}`

  after_sec = Time.now
  self.log(output)

  sec = after_sec - before_sec

  self.log("DONE: #{cmd} in #{sec} sec")
  output
end