Merge pull request #516 from coralproject/remove-rejected-comments

let ApolloClient know which types are interfaces

client/coral-admin/src/services/client.js

@@ -1,7 +1,9 @@
 import ApolloClient, {addTypename} from 'apollo-client';
 import getNetworkInterface from './transport';
+import fragmentMatcher from './fragmentMatcher';
 
 export const client = new ApolloClient({
+  fragmentMatcher,
   addTypename: true,
   queryTransformer: addTypename,
   dataIdFromObject: (result) => {

client/coral-admin/src/services/fragmentMatcher.js

@@ -0,0 +1,33 @@
+import {IntrospectionFragmentMatcher} from 'apollo-client';
+
+// TODO this is a short-term fix
+// we need to set up something to query the server for the schema before ApolloClient initialization
+// https://github.com/apollographql/apollo-client/issues/1555#issuecomment-295834774
+const fm = new IntrospectionFragmentMatcher({
+  introspectionQueryResultData: {
+    __schema: {
+      types: [
+        {
+          kind: 'INTERFACE',
+          name: 'Action',
+          possibleTypes: [
+            {name: 'FlagAction'},
+            {name: 'LikeAction'},
+            {name: 'DontAgreeAction'}
+          ],
+        },
+        {
+          kind: 'INTERFACE',
+          name: 'ActionSummary',
+          possibleTypes: [
+            {name: 'FlagActionSummary'},
+            {name: 'LikeActionSummary'},
+            {name: 'DontAgreeActionSummary'}
+          ],
+        }
+      ],
+    },
+  }
+});
+
+export default fm;