From ea073a29acff8bf13688ece779e2362c46ef93d2 Mon Sep 17 00:00:00 2001
From: Pawel Kowalski <pawel.kowalski@iterativ.ch>
Date: Fri, 17 Aug 2018 18:08:15 +0200
Subject: [PATCH] Replace specific edge/node removal with a generic solution:
 move into globally available function.     - Why is it not possible to change
 data with apollo link?

---
 client/src/components/Module.vue         |  2 +-
 client/src/components/ObjectiveGroup.vue |  2 +-
 client/src/graphql/client.js             | 19 +++++++++-
 client/src/pages/module.vue              | 44 +++++++++++++-----------
 4 files changed, 43 insertions(+), 24 deletions(-)

diff --git a/client/src/components/Module.vue b/client/src/components/Module.vue
index 64030ada..6c21777a 100644
--- a/client/src/components/Module.vue
+++ b/client/src/components/Module.vue
@@ -8,7 +8,7 @@
     </div>
 
     <h3>Lernziele</h3>
-    <objective-group v-for="group in module.objectiveGroups" :key="group.id" :group="group"></objective-group>
+    <objective-group v-for="group in module.objectivegroupSet" :key="group.id" :group="group"></objective-group>
 
     <chapter :chapter="chapter" v-for="chapter in module.chapters" :key="chapter.id"></chapter>
     <h3>1.1 Lehrbeginn</h3>
diff --git a/client/src/components/ObjectiveGroup.vue b/client/src/components/ObjectiveGroup.vue
index 9f9aeaf8..96a8d9fe 100644
--- a/client/src/components/ObjectiveGroup.vue
+++ b/client/src/components/ObjectiveGroup.vue
@@ -3,7 +3,7 @@
     <h4>{{group.title}}</h4>
 
     <ul class="objective-group__objective-list">
-      <li class="objective-group__objective" v-for="objective in group.objectives" :key="objective.id">
+      <li class="objective-group__objective" v-for="objective in group.objectiveSet" :key="objective.id">
         {{objective.text}}
       </li>
     </ul>
diff --git a/client/src/graphql/client.js b/client/src/graphql/client.js
index 37e60326..15d213d6 100644
--- a/client/src/graphql/client.js
+++ b/client/src/graphql/client.js
@@ -13,6 +13,21 @@ const httpLink = new HttpLink({
   }
 })
 
+const purgeEdgesNodes = new ApolloLink((operation, forward) => {
+  return forward(operation).map(response => {
+    // if (response.data.user.lastLoginDate) {
+    //   response.data.user.lastLoginDate = new Date(
+    //     response.data.user.lastLoginDate
+    //   );
+    // }
+    // data.data.modules = ['is_me']
+    // response.data.modules = ['is_me']
+    // debugger
+
+    return response;
+  });
+});
+
 const consoleLink = new ApolloLink((operation, forward) => {
   console.log(`starting request for ${operation.operationName}`);
 
@@ -37,14 +52,16 @@ const consoleLink = new ApolloLink((operation, forward) => {
   return forward(operation).map((data) => {
     console.log(`ending request for ${operation.operationName}`);
 
+    // data.data.modules = ['is_me']
     // debugger
     // let data = getRidOfEdges(inData)
     // return resultData;
+
     return data
   })
 })
 
-const composedLink = ApolloLink.from([consoleLink, httpLink]);
+const composedLink = ApolloLink.from([purgeEdgesNodes, consoleLink, httpLink]);
 
 // Create the apollo client
 export default new ApolloClient({
diff --git a/client/src/pages/module.vue b/client/src/pages/module.vue
index 925dffc4..424d03b2 100644
--- a/client/src/pages/module.vue
+++ b/client/src/pages/module.vue
@@ -39,29 +39,31 @@
             }
           }
 
-          // Result of edges/nodes removal
-          //
-          var purgedData = getRidOfEdges(data)
-          // debugger
-
           if (!loading) {
-            const node = data.modules.edges[0].node;
-            this.module = {
-              ...node,
-              objectiveGroups: mapNodes(node.objectivegroupSet, node => {
-                return {
-                  ...node,
-                  objectives: mapNodes(node.objectiveSet, node => node)
-                };
-              }),
-              chapters: mapNodes(node.chapters, node => {
-                return {
-                  ...node,
-                  contentBlocks: mapNodes(node.contentBlocks, node => node)
-                }
-              })
-            };
+            // Result of edges/nodes removal
+            //
+            const purgedData = getRidOfEdges(data)
+            this.module = purgedData.modules[0]
           }
+
+          // if (!loading) {
+          //   const node = data.modules.edges[0].node;
+          //   this.module = {
+          //     ...node,
+          //     objectiveGroups: mapNodes(node.objectivegroupSet, node => {
+          //       return {
+          //         ...node,
+          //         objectives: mapNodes(node.objectiveSet, node => node)
+          //       };
+          //     }),
+          //     chapters: mapNodes(node.chapters, node => {
+          //       return {
+          //         ...node,
+          //         contentBlocks: mapNodes(node.contentBlocks, node => node)
+          //       }
+          //     })
+          //   };
+          // }
         }
       }
     },