Merge branch 'master' into 3112-report-bug

[arvados.git] / services / api / app / controllers / arvados / v1 / groups_controller.rb

diff --git a/services/api/app/controllers/arvados/v1/groups_controller.rb b/services/api/app/controllers/arvados/v1/groups_controller.rb
index f742fa9d7139410703fa307201a55a3b64d5477d..17be40a57ee449a6a0902409ed1aa9ae7853be8a 100644 (file)
--- a/services/api/app/controllers/arvados/v1/groups_controller.rb
+++ b/services/api/app/controllers/arvados/v1/groups_controller.rb
@@ -1,2 +1,114 @@
 class Arvados::V1::GroupsController < ApplicationController
+
+  def self._contents_requires_parameters
+    _index_requires_parameters.
+      merge({
+              uuid: {
+                type: 'string', required: false, default: nil
+              },
+              include_linked: {
+                type: 'boolean', required: false, default: false
+              },
+            })
+  end
+
+  def render_404_if_no_object
+    if params[:action] == 'contents'
+      if !params[:uuid]
+        # OK!
+        @object = nil
+        true
+      elsif @object
+        # Project group
+        true
+      elsif (@object = User.where(uuid: params[:uuid]).first)
+        # "Home" pseudo-project
+        true
+      else
+        super
+      end
+    else
+      super
+    end
+  end
+
+  def contents
+    # Set @objects:
+    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",
+      :etag => "",
+      :self_link => "",
+      :links => @links.as_api_response(nil),
+      :offset => @offset,
+      :limit => @limit,
+      :items_available => @items_available,
+      :items => @objects.as_api_response(nil)
+    }
+    render json: @object_list
+  end
+
+  protected
+
+  def load_searchable_objects opts
+    all_objects = []
+    @items_available = 0
+
+    # Trick apply_where_limit_order_params into applying suitable
+    # per-table values. *_all are the real ones we'll apply to the
+    # aggregate set.
+    limit_all = @limit
+    offset_all = @offset
+    @orders = []
+
+    [Group,
+     Job, PipelineInstance, PipelineTemplate,
+     Collection,
+     Human, Specimen, Trait].each do |klass|
+      @objects = klass.readable_by(*@read_users)
+      if klass == Group
+        @objects = @objects.where(group_class: 'project')
+      end
+      if opts[:owner_uuid]
+        conds = []
+        cond_params = []
+        conds << "#{klass.table_name}.owner_uuid = ?"
+        cond_params << opts[:owner_uuid]
+        if opts[:include_linked]
+          haslink = "#{klass.table_name}.uuid IN (SELECT head_uuid FROM links WHERE link_class=#{klass.sanitize 'name'}"
+          haslink += " AND links.tail_uuid=#{klass.sanitize opts[:owner_uuid]}"
+          haslink += ")"
+          conds << haslink
+        end
+        if conds.any?
+          cond_sql = '(' + conds.join(') OR (') + ')'
+          @objects = @objects.where(cond_sql, *cond_params)
+        end
+      end
+
+      @objects = @objects.order("#{klass.table_name}.uuid")
+      @limit = limit_all - all_objects.count
+      apply_where_limit_order_params
+      klass_items_available = @objects.
+        except(:limit).except(:offset).
+        count(:id, distinct: true)
+      @items_available += klass_items_available
+      @offset = [@offset - klass_items_available, 0].max
+
+      all_objects += @objects.to_a
+    end
+
+    @objects = all_objects
+    @limit = limit_all
+    @offset = offset_all
+  end
+
 end