Added interfaces + api + enum to front

frontend/src/api/instances.ts

+import axios, { InternalAxiosRequestConfig } from "axios";
+
+export const instance = axios.create({
+    baseURL: import.meta.env.VITE_BASE_URL
+})
+
+instance.interceptors.request.use((req: InternalAxiosRequestConfig) => {
+    const token = localStorage.getItem('token')
+    if (token){
+        req.headers.Authorization = token
+    }
+    return req
+})
\ No newline at end of file

frontend/src/api/photosApi.ts

+import { EStatuses } from "../enum/EStatuses";
+import IPhoto from "../interfaces/IPhoto";
+import IResponse from "../interfaces/IResponse";
+import { instance } from "./instances";
+
+
+class PhotosApi {
+    public getAllPhotos = async(): Promise<IResponse<IPhoto[] | null>> => {
+        try{
+            const response = await instance.get('/photos')
+            return response.data
+        } catch(err: unknown){
+            console.log(err);
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+
+    public addPhoto = async(photoDto: FormData): Promise<IResponse<IPhoto | null>> => {
+        try{
+            const response = await instance.post('/photos', photoDto)
+            return response.data
+        } catch(err: unknown){
+            console.log(err);
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+
+    public getPhotosByUserId = async(id: string): Promise<IResponse<IPhoto[] | null>> => {
+        try{
+            const response = await instance.get(`/photos/${id}`)
+            return response.data
+        } catch(err: unknown){
+            console.log(err);
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+
+    public deletePhotoById = async(id: string): Promise<IResponse<IPhoto | null>> => {
+        try{
+            const response = await instance.delete(`/photos/${id}`)
+            return response.data
+        } catch(err: unknown){
+            console.log(err);
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+}
+
+export const photosApi = new PhotosApi()
\ No newline at end of file

frontend/src/api/usersApi.ts

+import { EStatuses } from "../enum/EStatuses"
+import IResponse from "../interfaces/IResponse"
+import IUserCreateDto from "../interfaces/IUserCreateDto"
+import IUserGetDto from "../interfaces/IUserGetDto"
+import { instance } from "./instances"
+
+
+class UsersApi {
+    public createUser = async (user: IUserCreateDto): Promise<IResponse<IUserGetDto | null>> => {
+        try{
+            const response = await instance.post('/users', user)
+            return response.data
+        } catch(err: unknown){
+            console.log(err)
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+
+    public loginUser = async (user: IUserCreateDto): Promise<IResponse<IUserGetDto | null>> => {
+        try{
+            const response = await instance.post('/users/login', user)
+            return response.data
+        } catch(err: unknown){
+            console.log(err)
+            const error = err as Error
+            const response: IResponse<null> = {
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+
+    public checkToken = async (): Promise<IResponse<IUserGetDto | null>> => {
+        try{
+            const response = await instance.get('/users/token')
+            return response.data
+        } catch(err: unknown){
+            const error = err as Error
+            const response: IResponse<null> ={
+                status: EStatuses.FAILURE,
+                result: null,
+                message: error.message
+            }
+            return response
+        }
+    }
+}
+
+export const usersApi = new UsersApi()
\ No newline at end of file

frontend/src/assets/react.svg

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\ No newline at end of file

frontend/src/enum/EStatuses.ts

+export enum EStatuses {
+    SUCCESS = 'Success',
+    FAILURE = 'Failure'
+}
\ No newline at end of file

frontend/src/interfaces/IPhoto.ts

+import IUser from "./IUser"
+
+export default interface IPhoto {
+    _id: string
+    user: IUser
+    title: string
+    photo: string
+}
\ No newline at end of file

frontend/src/interfaces/IPhotoDto.ts

+import IUser from "./IUser"
+
+export default interface IPhotoDto {
+    title: string
+    photo?: File
+}
\ No newline at end of file

frontend/src/interfaces/IResponse.ts

+import { EStatuses } from "../enum/EStatuses";
+
+export default interface IResponse<T = null> {
+    status: EStatuses
+    result: T
+    message: string
+}
\ No newline at end of file

frontend/src/interfaces/IUser.ts

+export default interface IUser {
+    _id: string
+    username: string
+    token: string
+    password: string
+    checkPassword: (password: string) => boolean
+}
\ No newline at end of file

frontend/src/interfaces/IUserCreateDto.ts

+import IUser from "./IUser";
+
+export default interface IUserCreateDto {
+    username: IUser['username']
+    password: IUser['password']
+}
+

frontend/src/interfaces/IUserGetDto.ts

+import IUser from "./IUser";
+
+export default interface IUserGetDto {
+    _id: string
+    username: IUser['username']
+    token: string
+}
\ No newline at end of file