From 75bb9d83c742cb0c3ed04a4080dae74eafd6cf6f Mon Sep 17 00:00:00 2001
From: shmck <shawn.j.mckay@gmail.com>
Date: Sat, 29 Feb 2020 16:44:11 -0800
Subject: [PATCH 1/2] avoid using cache

---
 web-app/src/containers/New/index.tsx          | 4 +++-
 web-app/src/services/apollo/index.ts          | 5 +----
 web-app/src/services/state/actions/context.ts | 3 +++
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/web-app/src/containers/New/index.tsx b/web-app/src/containers/New/index.tsx
index 40385fd5..980cce3a 100644
--- a/web-app/src/containers/New/index.tsx
+++ b/web-app/src/containers/New/index.tsx
@@ -17,7 +17,9 @@ interface TutorialsData {
 }
 
 const NewPageContainer = (props: ContainerProps) => {
-  const { data, loading, error } = useQuery<TutorialsData>(queryTutorials)
+  const { data, loading, error } = useQuery<TutorialsData>(queryTutorials, {
+    fetchPolicy: 'network-only',
+  })
 
   if (error) {
     return <ErrorView error={error} />
diff --git a/web-app/src/services/apollo/index.ts b/web-app/src/services/apollo/index.ts
index 1a7c114b..dab3c450 100644
--- a/web-app/src/services/apollo/index.ts
+++ b/web-app/src/services/apollo/index.ts
@@ -1,13 +1,10 @@
-import ApolloClient, { InMemoryCache } from 'apollo-boost'
+import ApolloClient from 'apollo-boost'
 import { GQL_URI } from '../../environment'
 import { authorizeHeaders } from './auth'
 
-export const cache = new InMemoryCache()
-
 const client = new ApolloClient({
   uri: GQL_URI,
   request: authorizeHeaders,
-  cache,
 })
 
 export default client
diff --git a/web-app/src/services/state/actions/context.ts b/web-app/src/services/state/actions/context.ts
index 76decc4d..a356722b 100644
--- a/web-app/src/services/state/actions/context.ts
+++ b/web-app/src/services/state/actions/context.ts
@@ -211,6 +211,9 @@ const contextActions: ActionFunctionMap<T.MachineContext, T.MachineEvent> = {
       const position: T.Position = selectors.defaultPosition()
       return position
     },
+    processes() {
+      return []
+    },
   }),
   // @ts-ignore
   setError: assign({

From 543a51c2d0892ea9fbd81003fea3236b913ec306 Mon Sep 17 00:00:00 2001
From: shmck <shawn.j.mckay@gmail.com>
Date: Sat, 29 Feb 2020 17:12:03 -0800
Subject: [PATCH 2/2] turn off cache on tutorials due to cache error

---
 web-app/src/containers/New/index.tsx             | 2 +-
 web-app/src/containers/Overview/index.tsx        | 2 +-
 web-app/src/services/apollo/queries/tutorials.ts | 1 +
 web-app/src/services/state/machine.ts            | 2 +-
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/web-app/src/containers/New/index.tsx b/web-app/src/containers/New/index.tsx
index 980cce3a..f99a6571 100644
--- a/web-app/src/containers/New/index.tsx
+++ b/web-app/src/containers/New/index.tsx
@@ -18,7 +18,7 @@ interface TutorialsData {
 
 const NewPageContainer = (props: ContainerProps) => {
   const { data, loading, error } = useQuery<TutorialsData>(queryTutorials, {
-    fetchPolicy: 'network-only',
+    fetchPolicy: 'no-cache',
   })
 
   if (error) {
diff --git a/web-app/src/containers/Overview/index.tsx b/web-app/src/containers/Overview/index.tsx
index e0fa6d19..11ab58ce 100644
--- a/web-app/src/containers/Overview/index.tsx
+++ b/web-app/src/containers/Overview/index.tsx
@@ -28,7 +28,7 @@ const Overview = (props: PageProps) => {
     throw new Error('Tutorial not found in summary page')
   }
   const { loading, error, data } = useQuery<TutorialData, TutorialDataVariables>(queryTutorial, {
-    fetchPolicy: 'network-only', // to ensure latest
+    fetchPolicy: 'no-cache', // to ensure latest
     variables: {
       tutorialId: tutorial.id,
       // version: tutorial.version.version, // TODO: re-enable latest
diff --git a/web-app/src/services/apollo/queries/tutorials.ts b/web-app/src/services/apollo/queries/tutorials.ts
index 5b13e136..5b3fe79c 100644
--- a/web-app/src/services/apollo/queries/tutorials.ts
+++ b/web-app/src/services/apollo/queries/tutorials.ts
@@ -14,6 +14,7 @@ export default gql`
         description
       }
       version {
+        id
         publishedAt
         publishedBy {
           id
diff --git a/web-app/src/services/state/machine.ts b/web-app/src/services/state/machine.ts
index 6f539ac8..915c0d0b 100644
--- a/web-app/src/services/state/machine.ts
+++ b/web-app/src/services/state/machine.ts
@@ -239,7 +239,7 @@ export const createMachine = (options: any) => {
             },
             Completed: {
               id: 'completed-tutorial',
-              onEntry: ['userTutorialComplete'],
+              onEntry: ['userTutorialComplete'], // unusued
               on: {
                 SELECT_TUTORIAL: {
                   target: '#select-new-tutorial',