Arvados-DCO-1.1-Signed-off-by: Radhika Chippada <radhika@curoverse.com>
[arvados.git] / services / api / app / controllers / arvados / v1 / groups_controller.rb
index c82ffb49cd7af8e4b7fe2afac128474718de71c8..75ef095b71ce249d18fb23075782bd32deaf6663 100644 (file)
@@ -1,17 +1,21 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 class Arvados::V1::GroupsController < ApplicationController
 
   def self._contents_requires_parameters
-    _index_requires_parameters.
+    params = _index_requires_parameters.
       merge({
               uuid: {
                 type: 'string', required: false, default: nil
               },
-              # include_linked returns name links, which are obsolete, so
-              # remove it when clients have been migrated.
-              include_linked: {
-                type: 'boolean', required: false, default: false
+              recursive: {
+                type: 'boolean', required: false, description: 'Include contents from child groups recursively.'
               },
             })
+    params.delete(:select)
+    params
   end
 
   def render_404_if_no_object
@@ -35,34 +39,21 @@ class Arvados::V1::GroupsController < ApplicationController
   end
 
   def contents
-    # Set @objects:
-    # include_linked returns name links, which are obsolete, so
-    # remove it when clients have been migrated.
-    load_searchable_objects(owner_uuid: @object.andand.uuid,
-                            include_linked: params[:include_linked])
-    sql = 'link_class=? and head_uuid in (?)'
-    sql_params = ['name', @objects.collect(&:uuid)]
-    if @object
-      sql += ' and tail_uuid=?'
-      sql_params << @object.uuid
-    end
-    @links = Link.where sql, *sql_params
-    @object_list = {
-      :kind  => "arvados#objectList",
+    load_searchable_objects
+    send_json({
+      :kind => "arvados#objectList",
       :etag => "",
       :self_link => "",
-      :links => @links.as_api_response(nil),
       :offset => @offset,
       :limit => @limit,
       :items_available => @items_available,
       :items => @objects.as_api_response(nil)
-    }
-    send_json @object_list
+    })
   end
 
   protected
 
-  def load_searchable_objects opts
+  def load_searchable_objects
     all_objects = []
     @items_available = 0
 
@@ -77,43 +68,111 @@ class Arvados::V1::GroupsController < ApplicationController
     request_orders = @orders.clone
     @orders = []
 
-    [Group,
-     Job, PipelineInstance, PipelineTemplate,
+    request_filters = @filters
+
+    klasses = [Group,
+     Job, PipelineInstance, PipelineTemplate, ContainerRequest, Workflow,
      Collection,
-     Human, Specimen, Trait].each do |klass|
-      @objects = klass.readable_by(*@read_users)
-      if klass == Group
-        @objects = @objects.where(group_class: 'project')
+     Human, Specimen, Trait]
+
+    table_names = Hash[klasses.collect { |k| [k, k.table_name] }]
+
+    disabled_methods = Rails.configuration.disable_api_methods
+    avail_klasses = table_names.select{|k, t| !disabled_methods.include?(t+'.index')}
+    klasses = avail_klasses.keys
+
+    request_filters.each do |col, op, val|
+      if col.index('.') && !table_names.values.include?(col.split('.', 2)[0])
+        raise ArgumentError.new("Invalid attribute '#{col}' in filter")
       end
-      if opts[:owner_uuid]
-        conds = []
-        cond_params = []
-        conds << "#{klass.table_name}.owner_uuid = ?"
-        cond_params << opts[:owner_uuid]
-        if conds.any?
-          cond_sql = '(' + conds.join(') OR (') + ')'
-          @objects = @objects.where(cond_sql, *cond_params)
+    end
+
+    wanted_klasses = []
+    request_filters.each do |col,op,val|
+      if op == 'is_a'
+        (val.is_a?(Array) ? val : [val]).each do |type|
+          type = type.split('#')[-1]
+          type[0] = type[0].capitalize
+          wanted_klasses << type
         end
       end
+    end
 
-      # If the currently requested orders specifically match the table_name for the current klass, apply the order
-      request_order = request_orders && request_orders.find{ |r| r =~ /^#{klass.table_name}\./i }
-      if request_order
-        @objects = @objects.order(request_order)
+    filter_by_owner = {}
+    if @object
+      if params['recursive']
+        filter_by_owner[:owner_uuid] = [@object.uuid] + @object.descendant_project_uuids
       else
-        # default to created_at desc, ignoring any currently requested ordering because it doesn't apply to this klass
-        @objects = @objects.order("#{klass.table_name}.created_at desc")
+        filter_by_owner[:owner_uuid] = @object.uuid
       end
+    end
+
+    seen_last_class = false
+    klasses.each do |klass|
+      @offset = 0 if seen_last_class  # reset offset for the new next type being processed
 
-      @limit = limit_all - all_objects.count
+      # if current klass is same as params['last_object_class'], mark that fact
+      seen_last_class = true if((params['count'].andand.==('none')) and
+                                (params['last_object_class'].nil? or
+                                 params['last_object_class'].empty? or
+                                 params['last_object_class'] == klass.to_s))
+
+      # if klasses are specified, skip all other klass types
+      next if wanted_klasses.any? and !wanted_klasses.include?(klass.to_s)
+
+      # don't reprocess klass types that were already seen
+      next if params['count'] == 'none' and !seen_last_class
+
+      # don't process rest of object types if we already have needed number of objects
+      break if params['count'] == 'none' and all_objects.size >= limit_all
+
+      # If the currently requested orders specifically match the
+      # table_name for the current klass, apply that order.
+      # Otherwise, order by recency.
+      request_order =
+        request_orders.andand.find { |r| r =~ /^#{klass.table_name}\./i } ||
+        klass.default_orders.join(", ")
+
+      @select = nil
+      where_conds = filter_by_owner
+      if klass == Collection
+        @select = klass.selectable_attributes - ["manifest_text"]
+      elsif klass == Group
+        where_conds = where_conds.merge(group_class: "project")
+      end
+
+      @filters = request_filters.map do |col, op, val|
+        if !col.index('.')
+          [col, op, val]
+        elsif (col = col.split('.', 2))[0] == klass.table_name
+          [col[1], op, val]
+        else
+          nil
+        end
+      end.compact
+
+      if klass == Collection and params[:include_trash]
+        @objects = klass.unscoped.readable_by(*@read_users).
+          order(request_order).where(where_conds)
+      else
+        @objects = klass.readable_by(*@read_users).
+          order(request_order).where(where_conds)
+      end
+      klass_limit = limit_all - all_objects.count
+      @limit = klass_limit
       apply_where_limit_order_params klass
-      klass_items_available = @objects.
-        except(:limit).except(:offset).
-        count(:id, distinct: true)
+      klass_object_list = object_list(model_class: klass)
+      klass_items_available = klass_object_list[:items_available] || 0
       @items_available += klass_items_available
       @offset = [@offset - klass_items_available, 0].max
+      all_objects += klass_object_list[:items]
 
-      all_objects += @objects.to_a
+      if klass_object_list[:limit] < klass_limit
+        # object_list() had to reduce @limit to comply with
+        # max_index_database_read. From now on, we'll do all queries
+        # with limit=0 and just accumulate items_available.
+        limit_all = all_objects.count
+      end
     end
 
     @objects = all_objects