Step 4.2: Resolve last message based on messages array

Urigo · May 20, 2020 · 5ab032e · 5ab032e
1 parent e86306a
commit 5ab032e
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Showing 2 changed files with 4 additions and 6 deletions.
diff --git a/db.ts b/db.ts
@@ -28,28 +28,24 @@ export const chats = [
     id: '1',
     name: 'Ethan Gonzalez',
     picture: 'https://randomuser.me/api/portraits/thumb/men/1.jpg',
-    lastMessage: '1',
     messages: ['1'],
   },
   {
     id: '2',
     name: 'Bryan Wallace',
     picture: 'https://randomuser.me/api/portraits/thumb/men/2.jpg',
-    lastMessage: '2',
     messages: ['2'],
   },
   {
     id: '3',
     name: 'Avery Stewart',
     picture: 'https://randomuser.me/api/portraits/thumb/women/1.jpg',
-    lastMessage: '3',
     messages: ['3'],
   },
   {
     id: '4',
     name: 'Katie Peterson',
     picture: 'https://randomuser.me/api/portraits/thumb/women/2.jpg',
-    lastMessage: '4',
     messages: ['4'],
   },
 ];
diff --git a/schema/resolvers.ts b/schema/resolvers.ts
@@ -7,11 +7,13 @@ const resolvers = {
 
   Chat: {
     messages(chat: any) {
-      return messages.filter(m => chat.messages.includes(m.id));
+      return messages.filter((m) => chat.messages.includes(m.id));
     },
 
     lastMessage(chat: any) {
-      return messages.find((m) => m.id === chat.lastMessage);
+      const lastMessage = chat.messages[chat.messages.length - 1];
+
+      return messages.find((m) => m.id === lastMessage);
     },
   },