18794: Add version metric to RailsAPI.

[arvados.git] / 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 81b9ca9e5bec3d74c5b524cb351752845017b1e7..c9b36e19ed95dedca95d9fd473af748088641d33 100644 (file)
--- a/services/api/app/controllers/arvados/v1/collections_controller.rb
+++ b/services/api/app/controllers/arvados/v1/collections_controller.rb
@@ -13,10 +13,10 @@ class Arvados::V1::CollectionsController < ApplicationController
     (super rescue {}).
       merge({
         include_trash: {
-          type: 'boolean', required: false, description: "Include collections whose is_trashed attribute is true."
+          type: 'boolean', required: false, default: false, description: "Include collections whose is_trashed attribute is true.",
         },
         include_old_versions: {
-          type: 'boolean', required: false, description: "Include past collection versions."
+          type: 'boolean', required: false, default: false, description: "Include past collection versions.",
         },
       })
   end
@@ -25,10 +25,10 @@ class Arvados::V1::CollectionsController < ApplicationController
     (super rescue {}).
       merge({
         include_trash: {
-          type: 'boolean', required: false, description: "Show collection even if its is_trashed attribute is true."
+          type: 'boolean', required: false, default: false, description: "Show collection even if its is_trashed attribute is true.",
         },
         include_old_versions: {
-          type: 'boolean', required: false, description: "Include past collection versions."
+          type: 'boolean', required: false, default: true, description: "Include past collection versions.",
         },
       })
   end
@@ -43,43 +43,60 @@ class Arvados::V1::CollectionsController < ApplicationController
     super
   end
 
-  def find_objects_for_index
-    opts = {}
-    if params[:include_trash] || ['destroy', 'trash', 'untrash'].include?(action_name)
-      opts.update({include_trash: true})
-    end
-    if params[:include_old_versions] || @include_old_versions
-      opts.update({include_old_versions: true})
+  def update
+    # preserve_version should be disabled unless explicitly asked otherwise.
+    if !resource_attrs[:preserve_version]
+      resource_attrs[:preserve_version] = false
     end
+    super
+  end
+
+  def find_objects_for_index
+    opts = {
+      include_trash: params[:include_trash] || ['destroy', 'trash', 'untrash'].include?(action_name),
+      include_old_versions: params[:include_old_versions] || false,
+    }
     @objects = Collection.readable_by(*@read_users, opts) if !opts.empty?
     super
   end
 
   def find_object_by_uuid
-    @include_old_versions = true
-
     if loc = Keep::Locator.parse(params[:id])
       loc.strip_hints!
 
-      # 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.
+      opts = {
+        include_trash: params[:include_trash],
+        include_old_versions: params[:include_old_versions],
+      }
+
+      # It matters which Collection object we pick because blob
+      # signatures depend on 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."
+      # 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
+      select_attrs = (@select || ["manifest_text"]) | ["portable_data_hash", "trash_at"]
+      if c = Collection.
+               readable_by(*@read_users, opts).
+               where({ portable_data_hash: loc.to_s }).
+               order("trash_at desc").
+               select(select_attrs.join(", ")).
+               limit(1).
+               first
         @object = {
           uuid: c.portable_data_hash,
           portable_data_hash: c.portable_data_hash,
-          manifest_text: c.signed_manifest_text,
+          trash_at: c.trash_at,
         }
+        if select_attrs.index("manifest_text")
+          @object[:manifest_text] = c.manifest_text
+        end
       end
-      true
     else
       super
     end
@@ -314,7 +331,7 @@ class Arvados::V1::CollectionsController < ApplicationController
 
   protected
 
-  def load_limit_offset_order_params *args
+  def load_select_param *args
     super
     if action_name == 'index'
       # Omit manifest_text and unsigned_manifest_text from index results unless expressly selected.