From f31e589e97003b50ed1fbb1132443ea9e2a007ed Mon Sep 17 00:00:00 2001
From: Roland Szoke <fwalkwithm@gmail.com>
Date: Thu, 19 Sep 2019 13:40:59 +0200
Subject: [PATCH] Task_1_Done

---
 package-lock.json | 16 ----------------
 package.json      |  1 -
 src/apollo.js     | 35 +++++++++++++++++++++++++++++++----
 3 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ee8e9b6..e2a640f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1868,22 +1868,6 @@
         "normalize-path": "^2.1.1"
       }
     },
-    "apollo-boost": {
-      "version": "0.4.4",
-      "resolved": "https://registry.npmjs.org/apollo-boost/-/apollo-boost-0.4.4.tgz",
-      "integrity": "sha512-ASngBvazmp9xNxXfJ2InAzfDwz65o4lswlEPrWoN35scXmCz8Nz4k3CboUXbrcN/G0IExkRf/W7o9Rg0cjEBqg==",
-      "requires": {
-        "apollo-cache": "^1.3.2",
-        "apollo-cache-inmemory": "^1.6.3",
-        "apollo-client": "^2.6.4",
-        "apollo-link": "^1.0.6",
-        "apollo-link-error": "^1.0.3",
-        "apollo-link-http": "^1.3.1",
-        "graphql-tag": "^2.4.2",
-        "ts-invariant": "^0.4.0",
-        "tslib": "^1.9.3"
-      }
-    },
     "apollo-cache": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/apollo-cache/-/apollo-cache-1.3.2.tgz",
diff --git a/package.json b/package.json
index 5641314..461eb2f 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,6 @@
   "dependencies": {
     "@apollo/react-components": "^3.1.1",
     "@apollo/react-hooks": "^3.1.0",
-    "apollo-boost": "^0.4.4",
     "apollo-cache-inmemory": "^1.6.3",
     "apollo-client": "^2.6.4",
     "apollo-link": "^1.2.13",
diff --git a/src/apollo.js b/src/apollo.js
index fded694..580620f 100644
--- a/src/apollo.js
+++ b/src/apollo.js
@@ -1,8 +1,35 @@
-import ApolloClient from 'apollo-boost';
+import { ApolloClient } from 'apollo-client';
+import { InMemoryCache } from 'apollo-cache-inmemory';
+import { HttpLink } from 'apollo-link-http';
+import { onError } from 'apollo-link-error';
+import { ApolloLink } from 'apollo-link';
 
-// TODO: TASK 1. migrate from apollo-boost
+const globalLoader = new ApolloLink((operation, forward) => {
+  // Use Mobx or Redux (or other) for a global state manager
+  console.log('increment loading count');
+  return forward(operation).map((response) => {
+    console.log('decrement loading count');
+    return response;
+  });
+});
 
 export default new ApolloClient({
-  uri: 'http://localhost:8000/graphql',
-  credentials: 'same-origin',
+  link: ApolloLink.from([
+    onError(({ graphQLErrors, networkError }) => {
+      if (graphQLErrors) {
+        graphQLErrors.forEach(({ message, locations, path }) => (
+          console.log(`[GraphQL error]: Message: ${message}, Location: ${JSON.stringify(locations)}, Path: ${path}`)
+        ));
+      }
+      if (networkError) {
+        console.log(`[Network error]: ${networkError}`);
+      }
+    }),
+    globalLoader,
+    new HttpLink({
+      uri: 'http://localhost:8000/graphql',
+      credentials: 'same-origin',
+    }),
+  ]),
+  cache: new InMemoryCache(),
 });