graphql: add account type

Test plan: make graphql queries for an account

closes GQL-85
flag = none

Change-Id: I12817cf9484ef96095a020d28797691dfa08a7c7
Reviewed-on: https://gerrit.instructure.com/208370
Tested-by: Jenkins
Reviewed-by: Landon Gilbert-Bland <lbland@instructure.com>
QA-Review: Cameron Matheson <cameron@instructure.com>
Product-Review: Cameron Matheson <cameron@instructure.com>

app/graphql/canvas_schema.rb

@@ -43,6 +43,7 @@ class CanvasSchema < GraphQL::Schema
 
   def self.resolve_type(type, obj, _ctx)
     case obj
+    when Account then Types::AccountType
     when Course then Types::CourseType
     when Assignment then Types::AssignmentType
     when AssignmentGroup then Types::AssignmentGroupType

app/graphql/graphql_node_loader.rb

@@ -21,6 +21,8 @@ module GraphQLNodeLoader
     check_read_permission = make_permission_check(ctx, :read)
 
     case type
+    when "Account"
+      Loaders::IDLoader.for(Account).load(id).then(check_read_permission)
     when "Course"
       Loaders::IDLoader.for(Course).load(id).then(check_read_permission)
     when "Assignment"

app/graphql/types/account_type.rb

@@ -0,0 +1,28 @@
+#
+# Copyright (C) 2019 - present Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+module Types
+  class AccountType < ApplicationObjectType
+    implements GraphQL::Types::Relay::Node
+
+    global_id_field :id
+    field :_id, ID, method: :id, null: false
+
+    field :name, String, null: true
+  end
+end

app/graphql/types/legacy_node_type.rb

@@ -19,6 +19,7 @@
 class Types::LegacyNodeType < Types::BaseEnum
   graphql_name "NodeType"
 
+  value "Account"
   value "Assignment"
   value "AssignmentGroup"
   value "Course"

app/graphql/types/query_type.rb

@@ -31,6 +31,14 @@ module Types
       GraphQLNodeLoader.load(type, _id, context)
     end
 
+    field :account, Types::AccountType, null: true do
+      argument :id, ID, "a graphql or legacy id", required: true,
+        prepare: GraphQLHelpers.relay_or_legacy_id_prepare_func("Account")
+    end
+    def account
+      GraphQLNodeLoader.load("Account", id, context)
+    end
+
     field :course, Types::CourseType, null: true do
       argument :id, ID, "a graphql or legacy id", required: true,
         prepare: GraphQLHelpers.relay_or_legacy_id_prepare_func("Course")

app/jsx/fragmentTypes.json

@@ -5,6 +5,9 @@
         "kind": "INTERFACE",
         "name": "Node",
         "possibleTypes": [
+          {
+            "name": "Account"
+          },
           {
             "name": "Assignment"
           },

schema.graphql

@@ -1,3 +1,9 @@
+type Account implements Node {
+  _id: ID!
+  id: ID!
+  name: String
+}
+
 """
 A list of students that an `AssignmentOverride` applies to
 """
@@ -1928,6 +1934,7 @@ interface Node {
 }
 
 enum NodeType {
+  Account
   Assignment
   AssignmentGroup
   Course
@@ -2188,6 +2195,13 @@ enum ProgressState {
 }
 
 type Query {
+  account(
+    """
+    a graphql or legacy id
+    """
+    id: ID!
+  ): Account
+
   """
   All courses viewable by the current user
   """

spec/graphql/types/account_type_spec.rb

@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2019 - present Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+require_relative '../../spec_helper'
+require_relative "../graphql_spec_helper"
+
+describe Types::AccountType do
+  before(:once) do
+    teacher_in_course(active_all: true)
+    student_in_course(active_all: false)
+  end
+
+  let(:account) { @course.root_account }
+  let(:account_type) { GraphQLTypeTester.new(account, current_user: @teacher) }
+
+  it "works" do
+    expect(account_type.resolve(:name)).to eq account.name
+    expect(account_type.resolve(:_id)).to eq account.id.to_s
+  end
+
+  it "requires read permission" do
+    expect(account_type.resolve(:name, current_user: @student)).to be_nil
+  end
+end