lib/manifest/model/list/base.rb

   1 module Manifest
   2   module ListModule
   3     class BaseList
   4       attr :model, :list_name, :list_manifest,
   5         :default_page_size, :max_page_size
   6       def initialize model, list_name, list_manifest
   7         @model = model
   8         @list_name = list_name
   9         @list_manifest = list_manifest
  10         self.set_default
  11         self.init
  12
  13         @model = ::Manifest.item_name_to_model self.model_name
  14         @table_name = @model.table_name
  15         if @model.content?
  16           @owner_model = @model.owner_model
  17           @owner_table_name = @owner_model.table_name if @owner_model
  18         end
  19       end
  20
  21       def set_default
  22         self.list_manifest['args'] ||= {}
  23         @list_manifest['args']['default_page_size'] ||= 25
  24         @list_manifest['args']['max_page_size'] ||= 100
  25       end
  26
  27       def init
  28         @args = @list_manifest['args']
  29         @default_page_size = @list_manifest['args']['default_page_size']
  30         @max_page_size = @list_manifest['args']['max_page_size']
  31       end
  32
  33       def model_name
  34         @model.model_name
  35       end
  36
  37       def model_manifest
  38         @model.model_manifest
  39       end
  40
  41       def page_number prm = nil
  42         page = prm.to_i
  43         page = 1 if page < 1
  44         page
  45       end
  46
  47       def page_size prm
  48         page_size = prm.to_i
  49         page_size = @max_page_size if page_size > @max_page_size
  50         page_size = @default_page_size if page_size < 1
  51         page_size
  52       end
  53
  54       def where
  55         @model.list_where
  56       end
  57
  58       def includes
  59         if @owner_model
  60           if @owner_model.owner_model
  61             {@owner_model.item_name => {@owner_model.owner_model.item_name => {}}}
  62           else
  63             {@owner_model.item_name => {}}
  64           end
  65         else
  66           {}
  67         end
  68       end
  69
  70       def order
  71         @model.list_order
  72       end
  73
  74       def a page, page_size, operators
  75         @page = self.page_number(page)
  76         @page_size = self.page_size page_size
  77         @offset = (@page -1) * @page_size
  78       end
  79
  80       def items
  81         @model.where(self.where()).includes(self.includes).order(self.order).offset(@offset).limit(@page_size)
  82       end
  83
  84       def paginate
  85         c = @model.where(self.where()).includes(self.includes).count
  86         Kaminari.paginate_array(Array.new(c, nil)).page(@offset).per(@page_size)
  87       end
  88
  89       def self.add_action item_name, action_name, list_name, list_conf
  90         return
  91       end
  92     end
  93
  94   end
  95 end