apps/workbench/app/controllers/trash_items_controller.rb

   1 class TrashItemsController < ApplicationController
   2   def model_class
   3     Collection
   4   end
   5
   6   def find_objects_for_index
   7     # If it's not the index rows partial display, just return
   8     # The /index request will again be invoked to display the
   9     # partial at which time, we will be using the objects found.
  10     return if !params[:partial]
  11
  12     trashed_items
  13
  14     if @objects.any?
  15       @next_page_filters = next_page_filters('<=')
  16       @next_page_href = url_for(partial: :trash_rows,
  17                                 filters: @next_page_filters.to_json)
  18       preload_links_for_objects(@objects.to_a)
  19     else
  20       @next_page_href = nil
  21     end
  22   end
  23
  24   def next_page_href with_params={}
  25     @next_page_href
  26   end
  27
  28   def trashed_items
  29     # API server index doesn't return manifest_text by default, but our
  30     # callers want it unless otherwise specified.
  31     @select ||= Collection.columns.map(&:name)
  32     limit = if params[:limit] then params[:limit].to_i else 100 end
  33     offset = if params[:offset] then params[:offset].to_i else 0 end
  34
  35     base_search = Collection.select(@select).include_trash(true).where(is_trashed: true)
  36     base_search = base_search.filter(params[:filters]) if params[:filters]
  37
  38     if params[:search].andand.length.andand > 0
  39       tags = Link.where(any: ['contains', params[:search]])
  40       @objects = (base_search.limit(limit).offset(offset).where(uuid: tags.collect(&:head_uuid)) |
  41                       base_search.where(any: ['contains', params[:search]])).
  42         uniq { |c| c.uuid }
  43     else
  44       @objects = base_search.limit(limit).offset(offset)
  45     end
  46
  47     @links = Link.where(head_uuid: @objects.collect(&:uuid))
  48     @collection_info = {}
  49     @objects.each do |c|
  50       @collection_info[c.uuid] = {
  51         tag_links: [],
  52         wanted: false,
  53         wanted_by_me: false,
  54         provenance: [],
  55         links: []
  56       }
  57     end
  58     @links.each do |link|
  59       @collection_info[link.head_uuid] ||= {}
  60       info = @collection_info[link.head_uuid]
  61       case link.link_class
  62       when 'tag'
  63         info[:tag_links] << link
  64       when 'resources'
  65         info[:wanted] = true
  66         info[:wanted_by_me] ||= link.tail_uuid == current_user.uuid
  67       when 'provenance'
  68         info[:provenance] << link.name
  69       end
  70       info[:links] << link
  71     end
  72     @request_url = request.url
  73   end
  74
  75   def untrash_item
  76     params[:item_uuids] = [params[:item_uuid]]
  77     untrash_items
  78     render template: 'untrash_items'
  79   end
  80
  81   def untrash_items
  82     @untrashed_uuids = []
  83
  84     updates = {trash_at: nil}
  85     #updates[:trash_at] = nil
  86
  87     params[:item_uuids].collect { |uuid| ArvadosBase.find uuid }.each do |item|
  88       item.update_attributes updates
  89       @untrashed_uuids << item.uuid
  90     end
  91
  92     render_template :untrashed_items
  93   end
  94 end