Class: Tableling::Model

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

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, &block) ⇒ Model

Returns a new instance of Model.



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# File 'lib/tableling/model.rb', line 6

def initialize options = {}, &block

  @field_options = {}

  @modules = options[:modules] || []
  @modules = [ @modules ] unless @modules.kind_of?(Array)
  @modules.each{ |mod| extend mod }
  initialize_model options

  @fields = []
  @field_modules = options[:field_modules] || []
  @field_modules = [ @field_modules ] unless @field_modules.kind_of?(Array)

  instance_eval &block if block
end

Instance Method Details

#field(name, options = {}, &block) ⇒ Object 



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# File 'lib/tableling/model.rb', line 22

def field name, options = {}, &block
  if field = @fields.find{ |f| f.name.to_s == name.to_s }
    return field
  end
  # TODO: do not add field if it's already there
  Field.new(name, @field_options.merge({ :modules => @field_modules }).merge(options), &block).tap{ |f| @fields << f }
end

#process(params) ⇒ Object 



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# File 'lib/tableling/model.rb', line 34

def process params
  
  q = base_query

  if @quick_search and params[:quick_search].present?
    q = @quick_search.call q, params[:quick_search].to_s
  end

  total = q.count :all

  if params[:sort].present?
    params[:sort].select{ |item| item.match /\A([^ ]+)* (asc|desc)\Z/ }.each do |item|
      parts = item.split ' '
      q = field(parts[0]).with_order q, parts[1].to_sym
    end
  end

  limit = params[:page_size].to_i
  limit = 10 if limit <= 0
  q = q.limit limit

  offset = params[:page].to_i - 1
  offset = 0 if offset < 0
  q = q.offset offset * limit

  {
    :total => total,
    :data => q.all.collect{ |o|
      @fields.inject({}){ |memo,f| memo[f.name] = f.extract(o); memo }
    }
  }
end

#quick_search(&block) ⇒ Object 



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# File 'lib/tableling/model.rb', line 30

def quick_search &block
  @quick_search = block
end