Add constants and update schema

client/src/router/core.constants.js

@@ -0,0 +1 @@
+export const LAYOUT_SIMPLE = 'simple';

server/schema.graphql

@@ -159,6 +159,7 @@ input ApplySnapshotInput {
 
 type ApplySnapshotPayload {
   success: Boolean
+  module: ModuleNode
   clientMutationId: String
 }
 
@@ -649,11 +650,11 @@ type ModuleNode implements ModuleInterface {
   teaser: String!
   intro: String!
   assignments(offset: Int, before: String, after: String, first: Int, last: Int): AssignmentNodeConnection!
-  objectiveGroups(offset: Int, before: String, after: String, first: Int, last: Int, title: String, module_Slug: String): ObjectiveGroupNodeConnection!
+  objectiveGroups: [ObjectiveGroupNode]
   id: ID!
   pk: Int
   topic: TopicNode
-  chapters(offset: Int, before: String, after: String, first: Int, last: Int, slug: String, title: String): ChapterNodeConnection
+  chapters: [ChapterNode]
   solutionsEnabled: Boolean
   bookmark: ModuleBookmarkNode
   mySubmissions(offset: Int, before: String, after: String, first: Int, last: Int): StudentSubmissionNodeConnection
@@ -703,7 +704,7 @@ type ObjectiveGroupNode implements Node {
   title: ObjectiveGroupTitle
   module: ModuleNode!
   hiddenFor: [SchoolClassNode]
-  objectives(offset: Int, before: String, after: String, first: Int, last: Int, text: String): ObjectiveNodeConnection!
+  objectives: [ObjectiveNode]
   pk: Int
   displayTitle: String
 }
@@ -881,6 +882,13 @@ type SchoolClassNodeEdge {
   cursor: String!
 }
 
+type SnapshotChangesNode {
+  hiddenObjectives: Int!
+  newObjectives: Int!
+  hiddenContentBlocks: Int!
+  newContentBlocks: Int!
+}
+
 type SnapshotChapterNode implements Node & ChapterInterface {
   id: ID!
   description: String
@@ -908,6 +916,7 @@ type SnapshotNode implements Node {
   title: String
   metaTitle: String
   heroImage: String
+  changes: SnapshotChangesNode
 }
 
 input SpellCheckInput {