X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/e2bfcb8bc5f030828754215aff1955f5ab4bd45a..710399e0355ff8ed016a9d3c830730af2e228ad5:/services/api/app/controllers/arvados/v1/collections_controller.rb

diff --git a/services/api/app/controllers/arvados/v1/collections_controller.rb b/services/api/app/controllers/arvados/v1/collections_controller.rb
index e96fa58dff..6e77c12a1d 100644
--- a/services/api/app/controllers/arvados/v1/collections_controller.rb
+++ b/services/api/app/controllers/arvados/v1/collections_controller.rb
@@ -1,8 +1,21 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 require "arvados/keep"
+require "trashable"
 
 class Arvados::V1::CollectionsController < ApplicationController
-  def self.limit_index_columns_read
-    ["manifest_text"]
+  include DbCurrentTime
+  include TrashableController
+
+  def self._index_requires_parameters
+    (super rescue {}).
+      merge({
+        include_trash: {
+          type: 'boolean', required: false, description: "Include collections whose is_trashed attribute is true."
+        },
+      })
   end
 
   def create
@@ -13,30 +26,52 @@ class Arvados::V1::CollectionsController < ApplicationController
     super
   end
 
+  def find_objects_for_index
+    if params[:include_trash] || ['destroy', 'trash', 'untrash'].include?(action_name)
+      @objects = Collection.readable_by(*@read_users, {include_trash: true})
+    end
+    super
+  end
+
   def find_object_by_uuid
     if loc = Keep::Locator.parse(params[:id])
       loc.strip_hints!
-      if c = Collection.readable_by(*@read_users).where({ portable_data_hash: loc.to_s }).limit(1).first
+
+      # It matters which Collection object we pick because we use it to get signed_manifest_text,
+      # the value of which is affected by the value of trash_at.
+      #
+      # From postgres doc: "By default, null values sort as if larger than any non-null
+      # value; that is, NULLS FIRST is the default for DESC order, and
+      # NULLS LAST otherwise."
+      #
+      # "trash_at desc" sorts null first, then latest to earliest, so
+      # it will select the Collection object with the longest
+      # available lifetime.
+
+      if c = Collection.readable_by(*@read_users).where({ portable_data_hash: loc.to_s }).order("trash_at desc").limit(1).first
         @object = {
           uuid: c.portable_data_hash,
           portable_data_hash: c.portable_data_hash,
           manifest_text: c.signed_manifest_text,
         }
       end
+      true
     else
       super
     end
-    true
   end
 
   def show
     if @object.is_a? Collection
+      # Omit unsigned_manifest_text
+      @select ||= model_class.selectable_attributes - ["unsigned_manifest_text"]
       super
     else
       send_json @object
     end
   end
 
+
   def find_collections(visited, sp, &b)
     case sp
     when ArvadosModel
@@ -125,9 +160,9 @@ class Arvados::V1::CollectionsController < ApplicationController
           visited[uuid] = job.as_api_response
           if direction == :search_up
             # Follow upstream collections referenced in the script parameters
-            find_collections(visited, job) do |hash, uuid|
+            find_collections(visited, job) do |hash, col_uuid|
               search_edges(visited, hash, :search_up) if hash
-              search_edges(visited, uuid, :search_up) if uuid
+              search_edges(visited, col_uuid, :search_up) if col_uuid
             end
           elsif direction == :search_down
             # Follow downstream job output
@@ -182,10 +217,10 @@ class Arvados::V1::CollectionsController < ApplicationController
   protected
 
   def load_limit_offset_order_params *args
+    super
     if action_name == 'index'
       # Omit manifest_text and unsigned_manifest_text from index results unless expressly selected.
-      @select ||= model_class.selectable_attributes - ["manifest_text","unsigned_manifest_text"]
+      @select ||= model_class.selectable_attributes - ["manifest_text", "unsigned_manifest_text"]
     end
-    super
   end
 end