factorization of the graphQL layer for future alt servers

graphql/cache.js

+import { InMemoryCache, IntrospectionFragmentMatcher, defaultDataIdFromObject } from 'apollo-cache-inmemory'
+import introspectionQueryResultData from './fragmentTypes.json';
+
+const fragmentMatcher = new IntrospectionFragmentMatcher({
+    introspectionQueryResultData
+  })
+
+  // Apparemment il faut utiliser la syntaxe Apollo v2
+export const cache = new InMemoryCache({
+    addTypename: false,
+    fragmentMatcher,
+    dataIdFromObject: object => {
+        switch (object.__typename) {
+        case 'Identity': return object.hash
+        case 'Event': return object.block.number
+        case 'EventId': return `${object.member.hash}:${object.inOut}`
+        case 'Forecast': return `${object.member.hash}:${object.date}:${object.after}:${object.proba}`
+        default: return defaultDataIdFromObject(object); // fall back to default handling
+        }
+    }
+})
\ No newline at end of file

graphql/endpoint.js → graphql/endpoints.js

 module.exports = {
-  ENDPOINT : 'https://wwgql.coinduf.eu'
+  ENDPOINT1 : 'https://wwgql.coinduf.eu'
 }
\ No newline at end of file

graphql/index.js

 import { HttpLink } from 'apollo-link-http'
 import { setContext } from 'apollo-link-context'
 import { from } from 'apollo-link'
-import { InMemoryCache, IntrospectionFragmentMatcher, defaultDataIdFromObject } from 'apollo-cache-inmemory'
 
-import {ENDPOINT} from './endpoint'
-import introspectionQueryResultData from './fragmentTypes.json';
+import {ENDPOINT1} from './endpoints'
+import {cache} from './cache'
 
 export default ctx => {
   const ssrMiddleware = setContext((_, { headers }) => {
@@ -15,33 +14,13 @@ export default ctx => {
   })
 
   const httpLink = new HttpLink({
-    uri: ENDPOINT
+    uri: ENDPOINT1
   })
 
   const link = from([ssrMiddleware, httpLink])
 
-  const fragmentMatcher = new IntrospectionFragmentMatcher({
-    introspectionQueryResultData
-  })
-
-  // Apparemment il faut utiliser la syntaxe Apollo v2
-  const cache = new InMemoryCache({
-    addTypename: false,
-    fragmentMatcher,
-    dataIdFromObject: object => {
-      switch (object.__typename) {
-        case 'Identity': return object.hash
-        case 'Event': return object.block.number
-        case 'EventId': return `${object.member.hash}:${object.inOut}`
-        case 'Forecast': return `${object.member.hash}:${object.date}:${object.after}:${object.proba}`
-        default: return defaultDataIdFromObject(object); // fall back to default handling
-      }
-    }
-  })
-
   return {
     link,
-    cache,
-    defaultHttpLink: false
+    cache
   }
 }
\ No newline at end of file

graphql/schemaQuery.js

-const {ENDPOINT} = require('./endpoint');
+const {ENDPOINT1} = require('./endpoints');
 const fetch = require('node-fetch');
 const fs = require('fs');
 
-fetch(ENDPOINT, {
+fetch(ENDPOINT1, {
   method: 'POST',
   headers: { 'Content-Type': 'application/json' },
   body: JSON.stringify({