Started working with all preporations: added interfaces, filled them, added…

Started working with all preporations: added interfaces, filled them, added empty folders for controllers, services and etc

backend/.env

+APP_PORT=8000
+PG_HOST=localhost
+MONGO_CLIENT_URL=mongodb://localhost/TsoyDanilExam12
+ENV_SALT=10
+SECRET_KEY=key
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backend/src/enum/EStatuses.ts

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

backend/src/index.config.ts

+import path from 'path'
+
+export const config = {
+    port: 8000,
+    filePath: path.join(__dirname, '../public/uploads')
+}

backend/src/interfaces/IModifiedRequest.ts

+import { Request } from "express";
+import { JwtPayload } from "jsonwebtoken";
+
+export default interface IModifiedRequest extends Request {
+    verifiedData: string | JwtPayload
+}
\ No newline at end of file

backend/src/interfaces/IPhoto.ts

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

backend/src/interfaces/IPhotoDto.ts

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

backend/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

backend/src/interfaces/IUser.ts

+import { Types } from "mongoose";
+
+export default interface IUser {
+    _id: Types.ObjectId
+    username: string
+    password: string
+    checkPassword: (password: string) => boolean
+}
\ No newline at end of file

backend/src/interfaces/IUserCreateDto.ts

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

backend/src/interfaces/IUserGetDto.ts

+import { Types } from "mongoose";
+import IUser from "./IUser";
+
+export default interface IUserGetDto {
+    _id: Types.ObjectId
+    username: IUser['username']
+    token: string
+}
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backend/src/middlewares/auth.ts

+import { NextFunction, Request, Response } from "express";
+import { EStatuses } from "../enum/EStatuses";
+import IResponse from "../interfaces/IResponse";
+import jwt from 'jsonwebtoken'
+import IRequestWithTokenData from "../interfaces/IModifiedRequest";
+import IModifiedRequest from "../interfaces/IModifiedRequest";
+
+
+export const auth = (expressReq:Request, res: Response, next: NextFunction) => {
+    try {
+        const req = expressReq as IModifiedRequest        
+        if (req.method === 'OPTIONS'){
+            next()
+        }
+        const token = req.header('Authorization')?.replace('Bearer ', '');
+        if (!token){
+            throw new Error('Token not provided')
+        } 
+        const verifiedData = jwt.verify(token, process.env.SECRET_KEY as string);
+        req.verifiedData = verifiedData
+        next()
+    } catch(err: unknown) {
+        const error = err as Error
+        const response: IResponse<null> = {
+            status: EStatuses.FAILURE,
+            result: null,
+            message: error.message
+        }
+        res.status(418).send(response)
+    }
+}
\ No newline at end of file