Foder and Generic models

folder_model.rb

# frozen_string_literal: true

class FolderModel

  class << self
    def find(key)
      new(key)
    end

    def all
      Dir["db/#{self.to_s.tableize}/*.json"].map{|file| new file.split('/').last.sub('.json') }
    end
  end

  ###

  def [](key)
    @data[key]
  end

  def []=(key, value)
    @data[key] = value
  end

  def method_missing(name, *args)
    func = name.to_s.split('=')[0].to_sym

    if name.to_s.index('=')
      @data[func] = args[0]
    else
      # raise "Field #{name} not found"
      @data[func]
    end
  end

  def save
    @storage.write JSON.pretty_generate(@data)
    @data
  end
  alias :save! :save

  def initialize(key)
    @key = key
    @storage = Pathname.new("db/#{self.class.to_s.tableize}/#{key}.json")
    @data = JSON.parse @storage.read
    @data = @data.h
  end

end

generic_model.rb

# frozen_string_literal: true

# class FooBar < GenericModel
#
#   values [1, 'LinkedIn'],
#          [2, 'Facebook'],
#          [3, 'Twitter'],
#          [4, 'Google'],
#          [5, 'Email'],
#          [6, 'Mobile']
#
#   def ico
#     %{<img src="/images/type/#{code}.png" style="width:16px; height:16px; vertical-align:middle; " />}
#   end
#
# end

class GenericModel

  @@values = {}

  class << self
    def values vals
      @@values[self.to_s] = []
      vals.map { |el| add_value(el) }
    end

    def add_value val
      o = new(val)
      for key in val.keys
        eval %[def o.#{key}; @_vals[:#{key}]; end]
      end
      @@values[self.to_s].push(o)
    end

    def find id
      for el in all
        return el if el.id == id
      end
      nil
    end

    def all
      @@values[self.to_s]
    end

    def where opts
      @@values[self.to_s].select{ |el| el[opts.keys[0]] == opts.values[0] }
    end
  end

  ###

  def initialize vals
    @_vals = vals
  end

  def [] key
    @_vals[key]
  end

end