GQL home assignment Nerdery

src/index.ts

@@ -5,6 +5,10 @@ import { typeDefs } from "./schema";
 import {getUserById, getUsers} from "./resolver"
 
 const resolvers = {
+    DataSource: {
+        DATA_SOURCE_1: 0,
+        DATA_SOURCE_2: 1,
+    },
     Query: {
         getUsers: () => getUsers(),
         getUserById: (parent, { id }) => {

src/resolver.ts

@@ -7,15 +7,18 @@ export function getUsers(): User[] {
     // Hint: You may want to use the normalizeUser function on each user object before returning the final array.
     const rawUsers = [...userData1, ...userData2];
 
-    return []; // TODO: Replace this with the normalized list of users.
+    return rawUsers.map(normalizeUser); // TODO: Replace this with the normalized list of users.
 }
 
 export function getUserById(id: string | number): User | null {
     // Task: Implement this function to return a user by their ID from the correct data source.
     // Hint: Check the type of `id` to determine whether to search in userData1 or userData2.
     // userData1 contains UUIDs (strings), while userData2 contains numerical IDs.
+    const dataSource = typeof id === "string" ? userData1 : userData2;
+    const userFound = dataSource.find((user) => user.id === id);
+    if (!userFound) return null;
 
-    return null; // TODO: Implement the logic to find and return the appropriate user.
+    return normalizeUser(userFound); // TODO: Implement the logic to find and return the appropriate user.
 }
 
 // This function is intended to normalize user data from different formats into a uniform schema.
@@ -24,11 +27,14 @@ function normalizeUser(user: any): User {
     // Hint: Map properties from both userData1 and userData2 to this uniform schema.
     // Example mapping: `first` or `first_name` should map to `firstName`.
     return {
-        id: '', // TODO: Set this to the user's id.
-        firstName: '', // TODO: Set this to the user's first name, considering both 'first' and 'first_name'.
-        lastName: '', // TODO: Set this to the user's last name, considering both 'last' and 'last_name'.
-        emailAddress: '', // TODO: Set this to the user's email address, considering both 'email' and 'email_address'.
-        phoneNumber: '', // TODO: Set this to the user's phone number, considering both 'phone' and 'phone_number'.
-        source: DataSource.DATA_SOURCE_1 // Hint: Determine the source based on the ID type (string for DATA_SOURCE_1, number for DATA_SOURCE_2).
-    };
+        id: user.id, // TODO: Set this to the user's id.
+        firstName: user.first || user.first_name, // TODO: Set this to the user's first name, considering both 'first' and 'first_name'.
+        lastName: user.last || user.last_name, // TODO: Set this to the user's last name, considering both 'last' and 'last_name'.
+        emailAddress: user.email || user.email_address, // TODO: Set this to the user's email address, considering both 'email' and 'email_address'.
+        phoneNumber: user.phone || user.phone_number, // TODO: Set this to the user's phone number, considering both 'phone' and 'phone_number'.
+        source:
+          typeof user.id === "string"
+            ? DataSource.DATA_SOURCE_1
+            : DataSource.DATA_SOURCE_2, // Hint: Determine the source based on the ID type (string for DATA_SOURCE_1, number for DATA_SOURCE_2).
+      };
 }