create app to create user

src/model/user/UserApp.ts

@@ -1,4 +1,18 @@
+import {IUserRepo} from "src/model/user/UserRepo";
+import {Geolocation, User} from "src/model/user/types";
 
 export interface IUserApp {
     createUser: (ipAddress: string) => Promise<string>
+}
+
+export class  UserApp implements IUserApp {
+
+    constructor(private repo: IUserRepo){} 
+
+    public createUser = (ipAddress: string) => {
+        const user: User = { ipAddress, geolocation: {} as Geolocation };
+
+        return this.repo.create(user)
+            .then(x => x._id);
+    };
 }

src/model/user/UserRepo.ts

@@ -0,0 +1,6 @@
+import {User} from "src/model/user/types";
+import {Model, Document} from "mongoose";
+
+export type UserModel = User & Document;
+
+export type IUserRepo = Model<UserModel>;

src/model/user/types.ts

@@ -1,8 +1,23 @@
 export interface User {
-
+    ipAddress: string;
+    geolocation: Geolocation;
 }
 
-// geolocation: {
+export interface Geolocation {
+    continent_code: string,
+    continent_name: string,
+    country_code: string,
+    country_name: string,
+    region_code: string,
+    region_name: string,
+    city: string,
+    zip: string,
+    latitude: number,
+    longitude: number,
+}
+
+//
+// export interface Geolocation {
 //     continent_code: "SA",
 //     continent_name: "South America",
 //     country_code: "BR",
@@ -13,4 +28,4 @@ export interface User {
 //     zip: "71010-001",
 //     latitude: -15.819999694824219,
 //     longitude: -47.98400115966797,
-// }
+// }

src/tests/model/user/UserApp.test.ts

@@ -0,0 +1,27 @@
+import {IUserRepo, UserModel} from "src/model/user/UserRepo";
+import {UserApp} from "src/model/user/UserApp";
+
+describe('Insert User', () => {
+
+    test('Happy path', async () => {
+
+        // given
+        const fakeIp = "fake ip";
+        const fakeId = "this is a fakeId Number" ; 
+
+        const create = jest.fn()
+            .mockImplementationOnce(() => 
+                new Promise<UserModel>(resolve => resolve({_id: fakeId} as UserModel)));
+
+        const repo = {
+            create
+        } as unknown as IUserRepo;
+        const target = new UserApp(repo);
+
+        // when
+        const result = await target.createUser(fakeIp);
+
+        // then
+        expect(result).toBe(fakeId);
+    });
+});