From 84ee743eae16e87eaa91969393bebf01e2d15a44 Mon Sep 17 00:00:00 2001
From: Sabir Hassan <sabirbk06@gmail.com>
Date: Thu, 21 Apr 2022 04:34:27 +0500
Subject: [PATCH] feat: create AppContext

---
 web/src/context/appContext.tsx | 139 +++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 web/src/context/appContext.tsx

diff --git a/web/src/context/appContext.tsx b/web/src/context/appContext.tsx
new file mode 100644
index 0000000..a46352a
--- /dev/null
+++ b/web/src/context/appContext.tsx
@@ -0,0 +1,139 @@
+import React, {
+  createContext,
+  Dispatch,
+  SetStateAction,
+  useState,
+  useEffect,
+  useCallback,
+  ReactNode
+} from 'react'
+
+import axios from 'axios'
+
+const NODE_ENV = process.env.NODE_ENV
+const PORT_API = process.env.PORT_API
+const baseUrl =
+  NODE_ENV === 'development' ? `http://localhost:${PORT_API ?? 5000}` : ''
+
+const isAbsoluteURLRegex = /^(?:\w+:)\/\//
+
+const setAxiosRequestHeader = (accessToken: string) => {
+  axios.interceptors.request.use(function (config) {
+    if (baseUrl && !isAbsoluteURLRegex.test(config.url as string)) {
+      config.url = baseUrl + config.url
+    }
+    console.log('axios.interceptors.request.use', accessToken)
+    config.headers!['Authorization'] = `Bearer ${accessToken}`
+    config.withCredentials = true
+
+    return config
+  })
+}
+
+const setAxiosResponse = (setTokens: Function) => {
+  // Add a response interceptor
+  axios.interceptors.response.use(
+    function (response) {
+      // Any status code that lie within the range of 2xx cause this function to trigger
+      return response
+    },
+    async function (error) {
+      if (error.response?.status === 401) {
+        // refresh token
+        // const { accessToken, refreshToken: newRefresh } = await refreshMyToken(
+        //   refreshToken
+        // )
+
+        // if (accessToken && newRefresh) {
+        //   setTokens(accessToken, newRefresh)
+        //   error.config.headers['Authorization'] = 'Bearer ' + accessToken
+        //   error.config.baseURL = undefined
+
+        //   return axios.request(error.config)
+        // }
+        console.log(53)
+        setTokens(undefined)
+      }
+
+      return Promise.reject(error)
+    }
+  )
+}
+
+const getTokens = () => {
+  const accessToken = localStorage.getItem('accessToken')
+  const refreshToken = localStorage.getItem('refreshToken')
+
+  if (accessToken && refreshToken) {
+    setAxiosRequestHeader(accessToken)
+    return { accessToken, refreshToken }
+  }
+  return undefined
+}
+
+interface AppContextProps {
+  userName: string
+  setUserName: Dispatch<SetStateAction<string>> | null
+  tokens?: { accessToken: string; refreshToken: string }
+  setTokens: ((accessToken: string, refreshToken: string) => void) | null
+  logout: (() => void) | null
+}
+
+export const AppContext = createContext<AppContextProps>({
+  userName: '',
+  tokens: getTokens(),
+  setUserName: null,
+  setTokens: null,
+  logout: null
+})
+
+const AppContextProvider = (props: { children: ReactNode }) => {
+  const { children } = props
+  const [userName, setUserName] = useState('')
+  const [tokens, setTokens] = useState(getTokens())
+
+  useEffect(() => {
+    setAxiosResponse(setTokens)
+  }, [])
+
+  useEffect(() => {
+    console.log(97)
+    if (tokens === undefined) {
+      console.log(99)
+      localStorage.removeItem('accessToken')
+      localStorage.removeItem('refreshToken')
+    }
+  }, [tokens])
+
+  const saveTokens = useCallback(
+    (accessToken: string, refreshToken: string) => {
+      localStorage.setItem('accessToken', accessToken)
+      localStorage.setItem('refreshToken', refreshToken)
+      console.log(accessToken)
+      setAxiosRequestHeader(accessToken)
+      setTokens({ accessToken, refreshToken })
+    },
+    []
+  )
+
+  const logout = useCallback(() => {
+    setUserName('')
+    setTokens(undefined)
+  }, [])
+
+  return (
+    <AppContext.Provider
+      value={{
+        userName,
+        setUserName,
+        tokens,
+        setTokens: saveTokens,
+        logout
+      }}
+    >
+      {children}
+    </AppContext.Provider>
+  )
+}
+
+export default AppContextProvider