Added http errors handing to all fettch requests

Added auth networking status
fixes #9

front/src/components/AuthForm.tsx

@@ -0,0 +1,55 @@
+import { FormEventHandler } from "react"
+import { Button, Form } from "react-bootstrap"
+
+type AuthFormProps = {
+    register: boolean
+    handleAuth: FormEventHandler<HTMLFormElement>,
+    loading: boolean,
+    error: string
+}
+
+const AuthForm = ({ handleAuth, register, loading, error }: AuthFormProps) => {
+    const buttonText = loading ? "Загрузка..." : (error || (register ? "Зарегистрироваться" : "Войти"))
+    return (
+        <Form onSubmit={handleAuth}>
+            <Form.Group className="mb-3" controlId="email">
+                <Form.Label>Почта</Form.Label>
+                <Form.Control type="email" required />
+            </Form.Group>
+
+            {register && <>
+                <Form.Group className="mb-3" controlId="name">
+                    <Form.Label>Имя</Form.Label>
+                    <Form.Control type="text" required />
+                </Form.Group>
+
+                <Form.Group className="mb-3" controlId="surname">
+                    <Form.Label>Фамилия</Form.Label>
+                    <Form.Control type="text" required />
+                </Form.Group>
+            </>}
+
+            <Form.Group className="mb-3" controlId="password">
+                <Form.Label>Пароль</Form.Label>
+                <Form.Control type="password" required />
+            </Form.Group>
+
+            {register &&
+                <Form.Group className="mb-3" controlId="privacyPolicyConsent">
+                    <Form.Check label="<a>условиями обработки персональных данных</a>">
+                        <Form.Check.Input type="checkbox" required />
+                        <Form.Check.Label>
+                            Я согласен с <a href={`${document.location.origin}/privacy_policy.pdf`} target="_blank" rel="noopener noreferrer">условиями обработки персональных данных</a>
+                        </Form.Check.Label>
+                    </Form.Check>
+                </Form.Group>
+            }
+
+            <Button variant="success" type="submit">
+                {buttonText}
+            </Button>
+        </Form>
+    )
+}
+
+export default AuthForm

front/src/components/index.ts

@@ -6,6 +6,7 @@ import LocationMarker from './LocationMarker'
 import TrashboxMarkers from './TrashboxMarkers'
 import WithToken from './WithToken'
 import ClickHandler from './ClickHandler'
+import AuthForm from "./AuthForm"
 
 export {
     AnnouncementDetails,
@@ -16,4 +17,5 @@ export {
     TrashboxMarkers,
     WithToken,
     ClickHandler,
+    AuthForm,
 }

front/src/hooks/api/useAddAnnouncement.ts

@@ -2,13 +2,14 @@ import { useEffect, useRef, useState } from "react"
 
 import { API_URL } from "../../config"
 import { isLiteralUnion } from "../../utils/types"
+import { handleHTTPErrors } from "../../utils"
 
 const addErrors = ["Не удалось опубликовать объявление", 'Неверный ответ от сервера', 'Неизвестная ошибка'] as const
 type AddError = typeof addErrors[number]
 
 const isAddError = (obj: unknown): obj is AddError => isLiteralUnion(obj, addErrors)
 
-const buttonStates = ["Опубликовать", "Загрузка", "Опубликовано", "Отменено"] as const
+const buttonStates = ["Опубликовать", "Загрузка...", "Опубликовано", "Отменено"] as const
 type ButtonState = typeof buttonStates[number] | AddError
 
 type AddResponse = {
@@ -26,14 +27,14 @@ const useAddAnnouncement = () => {
     const abortControllerRef = useRef<AbortController>()
 
     const doAdd = async (formData: FormData) => {
-        if (status === "Загрузка") {
+        if (status === "Загрузка...") {
             abortControllerRef.current?.abort()
             setStatus("Отменено")
             timerIdRef.current = setTimeout(() => setStatus("Опубликовать"), 3000)
             return
         }
 
-        setStatus("Загрузка")
+        setStatus("Загрузка...")
 
         const abortController = new AbortController()
         abortControllerRef.current = abortController
@@ -45,6 +46,8 @@ const useAddAnnouncement = () => {
                 signal: abortController.signal
             })
 
+            handleHTTPErrors(res)
+
             const data: unknown = await res.json()
 
             if (!isAddResponse(data)) throw new Error('Неверный ответ от сервера')

front/src/hooks/api/useAuth.ts

@@ -1,6 +1,7 @@
 import { useState } from "react"
 import { API_URL } from "../../config"
 import { isConst, isObject } from "../../utils/types"
+import { handleHTTPErrors } from "../../utils"
 
 interface AuthData {
     email: string,
@@ -57,6 +58,9 @@ function useAuth() {
                         'Content-Type': 'application/json'
                     }
                 })
+
+                handleHTTPErrors(res)
+
                 const signupData: unknown = await res.json()
 
                 if (!isSignUpResponse(signupData)) {

front/src/hooks/api/useBook.ts

@@ -4,6 +4,7 @@ import { useNavigate } from "react-router-dom"
 import { getToken } from "../../utils/auth"
 import { API_URL } from "../../config"
 import { isObject } from "../../utils/types"
+import { handleHTTPErrors } from "../../utils"
 
 type BookResponse = {
     Success: boolean
@@ -13,7 +14,7 @@ const isBookResponse = (obj: unknown): obj is BookResponse => isObject(obj, {
     "Success": "boolean"
 })
 
-type BookStatus = "" | "Загрузка" | "Забронировано" | "Ошибка бронирования"
+type BookStatus = "" | "Загрузка..." | "Забронировано" | "Ошибка бронирования"
 
 function useBook(id: number) {
     const navigate = useNavigate()
@@ -24,7 +25,7 @@ function useBook(id: number) {
         const token = getToken()
 
         if (token) {
-            setStatus("Загрузка")
+            setStatus("Загрузка...")
 
             try {
 
@@ -39,6 +40,8 @@ function useBook(id: number) {
                     }
                 })
 
+                handleHTTPErrors(res)
+
                 const data: unknown = await res.json()
 
                 if (!isBookResponse(data)) {

front/src/hooks/api/useFetch.ts

@@ -1,5 +1,6 @@
 import { useEffect, useRef, useState } from "react"
-import { isAborted } from '../../utils'
+
+import { handleHTTPErrors, isAborted } from '../../utils'
 
 const useFetch = <T>(url: string, params: RequestInit | undefined, initialData: T, dataGuard: (obj: unknown) => obj is T) => {
     const [data, setData] = useState(initialData)
@@ -18,17 +19,7 @@ const useFetch = <T>(url: string, params: RequestInit | undefined, initialData:
 
         fetch(url, { ...params, signal: abortControllerRef.current.signal })
             .then(res => {
-                if (!res.ok) {
-                    switch (res.status) {
-                        case 401:
-                            throw new Error("Ошибка авторизации")
-                        case 404:
-                            throw new Error("Объект не найден")
-                        default: {
-                            throw new Error("Ошибка ответа от сервера")
-                        }
-                    }
-                }
+                handleHTTPErrors(res)
 
                 return res.json()
             })

front/src/pages/AddPage.tsx

@@ -9,6 +9,7 @@ import { useAddAnnouncement, useTrashboxes } from "../hooks/api"
 import { categoryNames } from "../assets/category"
 import { stations, lines, lineNames } from "../assets/metro"
 import { isObject } from "../utils/types"
+import { handleHTTPErrors } from "../utils"
 
 function AddPage() {
     const [addressPosition, setAddressPosition] = useState(latLng(59.972, 30.3227))
@@ -22,6 +23,8 @@ function AddPage() {
             try {
                 const res = await fetch(location.protocol + "//nominatim.openstreetmap.org/search?format=json&q=" + address)
 
+                handleHTTPErrors(res)
+
                 const fetchData: unknown = await res.json()
 
                 console.log("f", fetchData)
@@ -37,6 +40,8 @@ function AddPage() {
             try {
                 const res = await fetch(`${location.protocol}//nominatim.openstreetmap.org/reverse?format=json&accept-language=ru&lat=${addressPosition.lat}&lon=${addressPosition.lng}`)
 
+                handleHTTPErrors(res)
+
                 const fetchData: unknown = await res.json()
 
                 if (!isObject<{ display_name: string }>(fetchData, { "display_name": "string" })) {
@@ -159,7 +164,7 @@ function AddPage() {
                             {trashboxes.loading
                                 ? (
                                     <div style={{ height: 400 }}>
-                                        <p>Загрузка</p>
+                                        <p>Загрузка...</p>
                                     </div>
                                 ) : (
                                     trashboxes.error ? (

front/src/pages/LoginPage.tsx

@@ -1,14 +1,15 @@
 import { FormEventHandler } from 'react'
-import { Form, Button, Card, Tabs, Tab } from "react-bootstrap"
+import { Card, Tabs, Tab } from "react-bootstrap"
 import { useNavigate } from "react-router-dom";
 
 import { useAuth } from "../hooks/api";
 import { setToken } from "../utils/auth";
+import { AuthForm } from '../components';
 
 function LoginPage() {
     const navigate = useNavigate()
 
-    const { doAuth } = useAuth() // TODO: Add loading and error handling
+    const { doAuth, loading, error } = useAuth()
 
     const handleAuth = (newAccount: boolean): FormEventHandler<HTMLFormElement> => async (event) => {
         event.preventDefault();
@@ -36,57 +37,10 @@ function LoginPage() {
             <Card.Body>
                 <Tabs defaultActiveKey="register" fill justify className="mb-3">
                     <Tab eventKey="register" title="Регистрация">
-                        <Form onSubmit={handleAuth(true)}>
-                            <Form.Group className="mb-3" controlId="email">
-                                <Form.Label>Почта</Form.Label>
-                                <Form.Control type="email" required />
-                            </Form.Group>
-
-                            <Form.Group className="mb-3" controlId="name">
-                                <Form.Label>Имя</Form.Label>
-                                <Form.Control type="text" required />
-                            </Form.Group>
-
-                            <Form.Group className="mb-3" controlId="surname">
-                                <Form.Label>Фамилия</Form.Label>
-                                <Form.Control type="text" required />
-                            </Form.Group>
-
-                            <Form.Group className="mb-3" controlId="password">
-                                <Form.Label>Пароль</Form.Label>
-                                <Form.Control type="password" required />
-                            </Form.Group>
-
-                            <Form.Group className="mb-3" controlId="privacyPolicyConsent">
-                                <Form.Check label="<a>условиями обработки персональных данных</a>">
-                                    <Form.Check.Input type="checkbox" required />
-                                    <Form.Check.Label>
-                                        Я согласен с <a href={`${document.location.origin}/privacy_policy.pdf`} target="_blank" rel="noopener noreferrer">условиями обработки персональных данных</a>
-                                    </Form.Check.Label>
-                                </Form.Check>
-                            </Form.Group>
-
-                            <Button variant="success" type="submit">
-                                Зарегистрироваться
-                            </Button>
-                        </Form>
+                        <AuthForm handleAuth={handleAuth(true)} register={true} loading={loading} error={error} />
                     </Tab>
                     <Tab eventKey="login" title="Вход">
-                        <Form onSubmit={handleAuth(false)}>
-                            <Form.Group className="mb-3" controlId="email">
-                                <Form.Label>Почта</Form.Label>
-                                <Form.Control type="email" required />
-                            </Form.Group>
-
-                            <Form.Group className="mb-3" controlId="password">
-                                <Form.Label>Пароль</Form.Label>
-                                <Form.Control type="password" required />
-                            </Form.Group>
-
-                            <Button variant="success" type="submit">
-                                Войти
-                            </Button>
-                        </Form>
+                        <AuthForm handleAuth={handleAuth(false)} register={false} loading={loading} error={error} />
                     </Tab>
                 </Tabs>
             </Card.Body>

front/src/utils/index.ts

@@ -1,3 +1,17 @@
 const isAborted = (err: Error) => err.name === 'AbortError'
 
-export { isAborted }
+const handleHTTPErrors = (res: Response) => {
+    if (!res.ok) {
+        switch (res.status) {
+            case 401:
+                throw new Error("Ошибка авторизации")
+            case 404:
+                throw new Error("Объект не найден")
+            default: {
+                throw new Error("Ошибка ответа от сервера")
+            }
+        }
+    }
+}
+
+export { isAborted, handleHTTPErrors }