apps/workbench/app/controllers/trash_items_controller.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 class TrashItemsController < ApplicationController
   6   def model_class
   7     Collection
   8   end
   9
  10   def index_pane_list
  11     %w(Recent_trash)
  12   end
  13
  14   def find_objects_for_index
  15     # If it's not the index rows partial display, just return
  16     # The /index request will again be invoked to display the
  17     # partial at which time, we will be using the objects found.
  18     return if !params[:partial]
  19
  20     trashed_items
  21
  22     if @objects.any?
  23       @objects = @objects.sort_by { |obj| obj.trash_at }.reverse
  24       @next_page_filters = next_page_filters('<=')
  25       @next_page_href = url_for(partial: :trash_rows,
  26                                 filters: @next_page_filters.to_json)
  27     else
  28       @next_page_href = nil
  29     end
  30   end
  31
  32   def next_page_href with_params={}
  33     @next_page_href
  34   end
  35
  36   def next_page_filters nextpage_operator
  37     next_page_filters = @filters.reject do |attr, op, val|
  38       (attr == 'trash_at' and op == nextpage_operator) or
  39       (attr == 'uuid' and op == 'not in')
  40     end
  41
  42     if @objects.any?
  43       last_trash_at = @objects.last.trash_at
  44
  45       last_uuids = []
  46       @objects.each do |obj|
  47         last_uuids << obj.uuid if obj.trash_at.eql?(last_trash_at)
  48       end
  49
  50       next_page_filters += [['trash_at', nextpage_operator, last_trash_at]]
  51       next_page_filters += [['uuid', 'not in', last_uuids]]
  52     end
  53
  54     next_page_filters
  55   end
  56
  57   def trashed_items
  58     # API server index doesn't return manifest_text by default, but our
  59     # callers want it unless otherwise specified.
  60     @select ||= Collection.columns.map(&:name)
  61     limit = if params[:limit] then params[:limit].to_i else 100 end
  62     offset = if params[:offset] then params[:offset].to_i else 0 end
  63
  64     base_search = Collection.select(@select).include_trash(true).where(is_trashed: true)
  65     base_search = base_search.filter(params[:filters]) if params[:filters]
  66
  67     if params[:search].andand.length.andand > 0
  68       tags = Link.where(any: ['contains', params[:search]])
  69       base_search = base_search.limit(limit).offset(offset)
  70       @objects = (base_search.where(uuid: tags.collect(&:head_uuid)) |
  71                   base_search.where(any: ['contains', params[:search]])).
  72                   uniq { |c| c.uuid }
  73     else
  74       @objects = base_search.limit(limit).offset(offset)
  75     end
  76   end
  77
  78   def untrash_items
  79     @untrashed_uuids = []
  80
  81     updates = {trash_at: nil}
  82
  83     Collection.include_trash(1).where(uuid: params[:selection]).each do |c|
  84       c.untrash
  85       @untrashed_uuids << c.uuid
  86     end
  87
  88     respond_to do |format|
  89       format.js
  90     end
  91   end
  92 end