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(Trashed_collections Trashed_projects)
  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.modified_at }.reverse
  24       @next_page_filters = next_page_filters('<=')
  25       @next_page_href = url_for(partial: params[:partial],
  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 == 'modified_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.modified_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 += [['modified_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     if params[:partial] == "trashed_collection_rows"
  59       query_on = Collection
  60     elsif params[:partial] == "trashed_project_rows"
  61       query_on = Group
  62     end
  63
  64     last_mod_at = nil
  65     last_uuids = []
  66
  67     # API server index doesn't return manifest_text by default, but our
  68     # callers want it unless otherwise specified.
  69     #@select ||= query_on.columns.map(&:name) - %w(id updated_at)
  70     limit = if params[:limit] then params[:limit].to_i else 100 end
  71     offset = if params[:offset] then params[:offset].to_i else 0 end
  72
  73     @objects = []
  74     while !@objects.any?
  75       base_search = query_on
  76
  77       if !last_mod_at.nil?
  78         base_search = base_search.filter([["modified_at", "<=", last_mod_at], ["uuid", "not in", last_uuids]])
  79       end
  80
  81       base_search = base_search.include_trash(true).limit(limit).offset(offset)
  82
  83       if params[:filters].andand.length.andand > 0
  84         tags = Link.filter(params[:filters])
  85         tagged = []
  86         if tags.results.length > 0
  87           tagged = query_on.include_trash(true).where(uuid: tags.collect(&:head_uuid))
  88         end
  89         @objects = (tagged | base_search.filter(params[:filters])).uniq(&:uuid)
  90       else
  91         @objects = base_search.where(is_trashed: true)
  92       end
  93
  94       if @objects.any?
  95         owner_uuids = @objects.collect(&:owner_uuid).uniq
  96         @owners = {}
  97         @not_trashed = {}
  98         Group.filter([["uuid", "in", owner_uuids]]).include_trash(true).each do |grp|
  99           @owners[grp.uuid] = grp
 100         end
 101         User.filter([["uuid", "in", owner_uuids]]).include_trash(true).each do |grp|
 102           @owners[grp.uuid] = grp
 103           @not_trashed[grp.uuid] = true
 104         end
 105         Group.filter([["uuid", "in", owner_uuids]]).select([:uuid]).each do |grp|
 106           @not_trashed[grp.uuid] = true
 107         end
 108       else
 109         return
 110       end
 111
 112       last_mod_at = @objects.last.modified_at
 113       last_uuids = []
 114       @objects.each do |obj|
 115         last_uuids << obj.uuid if obj.modified_at.eql?(last_mod_at)
 116       end
 117
 118       @objects = @objects.select {|item| item.is_trashed || @not_trashed[item.owner_uuid].nil? }
 119     end
 120   end
 121
 122   def untrash_items
 123     @untrashed_uuids = []
 124
 125     updates = {trash_at: nil}
 126
 127     if params[:selection].is_a? Array
 128       klass = resource_class_for_uuid(params[:selection][0])
 129     else
 130       klass = resource_class_for_uuid(params[:selection])
 131     end
 132
 133     first = nil
 134     klass.include_trash(1).where(uuid: params[:selection]).each do |c|
 135       first = c
 136       c.untrash
 137       @untrashed_uuids << c.uuid
 138     end
 139
 140     respond_to do |format|
 141       format.js
 142       format.html do
 143         redirect_to first
 144       end
 145     end
 146   end
 147 end