Class: ActiveWorkbench::Runner

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

Instance Method Summary collapse

Constructor Details

#initialize(file, options) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/active_workbench.rb', line 5

def initialize file, options
  @options = options
  @doc = Nokogiri::XML(file)
  @schema = Schema.new
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/active_workbench.rb', line 11

def run
  xml_tables = @doc.xpath("/data//value[@type='list'][@content-struct-name='db.mysql.Table'][@key='tables']/value[@type='object'][@struct-name='db.mysql.Table']")
  xml_tables.each do |table|
    table_id = table.attributes["id"].to_s
    table_name = table.xpath("value[@type='string'][@key='name']").first.content.to_s
    schema_table = @schema.add_table(table_id, table_name)
    if @options[:verbose]
      puts "Found table: #{schema_table.name}" # + "\t" + schema_table.id
    end

    table.xpath("value[@type='list'][@content-type='object'][@content-struct-name='db.mysql.Column'][@key='columns']").each do |columns|
      columns.xpath("value[@type='object'][@struct-name='db.mysql.Column']").each do |column|
        col = schema_table.add_column(column.attributes["id"].to_s, column.xpath("value[@type='string'][@key='name']").first.content.to_s)
        if @options[:verbose]
          puts "\t column: " + col.name # + "\t" + col.id
        end
      end
    end
  end

  xml_tables.each do |table|
    schema_table = @schema.table_by_id(table.attributes["id"].to_s)

    table.xpath("value[@type='list'][@content-type='object'][@content-struct-name='db.mysql.ForeignKey'][@key='foreignKeys']/value[@type='object'][@struct-name='db.mysql.ForeignKey']").each do |fk|
      ref_table = @schema.table_by_id(fk.xpath("link[@type='object'][@struct-name='db.mysql.Table'][@key='referencedTable']").first.content.to_s)

      many = fk.xpath("value[@type='int'][@key='many']").first.content.to_i == 1 ? true : false

      delete_rule = fk.xpath("value[@type='string'][@key='deleteRule']").first.content.to_s
      update_rule = fk.xpath("value[@type='string'][@key='updateRule']").first.content.to_s

      # belongs_to associations
      schema_fk = schema_table.add_fk(fk.attributes["id"].to_s, fk.xpath("value[@type='string'][@key='name']").first.content.to_s, :many => many, :assoc => :belongs)
      schema_fk.ref_table = ref_table

      # has_one, has_many associations
      ref_fk = ref_table.add_fk(fk.attributes["id"].to_s, fk.xpath("value[@type='string'][@key='name']").first.content.to_s, :many => many, :assoc => :has)
      ref_fk.ref_table = schema_table

      fk.xpath("value[@type='list'][@content-type='object'][@content-struct-name='db.Column'][@key='columns']/link[@type='object']").each do |col|
        c = schema_table.column_by_id(col.content.to_s)
        schema_fk.add_column(c)
        ref_fk.add_ref_column(c)
      end

      fk.xpath("value[@type='list'][@content-type='object'][@content-struct-name='db.Column'][@key='referencedColumns']/link[@type='object']").each do |ref_col|
        c = ref_table.column_by_id(ref_col.content.to_s)
        schema_fk.add_ref_column(c)
        ref_fk.add_column(c)
      end
    end
  end
  if @options[:create]
    @schema.tables.each do |table|
      f = File.new(File.join(@options[:create], table.name.classify.tableize.singularize + ".rb"), File::CREAT|File::TRUNC|File::RDWR)
      f.write table.to_model
      f.close
      puts "Write: " + File.join(@options[:create], table.name.classify.tableize.singularize + ".rb")
    end
  else
    @schema.tables.each do |table|
      puts table.to_model
      puts
    end
  end
end