feat: use cookie instead of localstorage for token

frontend/api/authentication.ts

@@ -2,7 +2,7 @@ import axios from "axios";
 import axiosInstance from "./config";
 
 export interface LoginResponse {
-  Token: string;
+  token: string;
   message?: string;
 }
 

frontend/app/auth/signin/page.tsx

@@ -15,15 +15,17 @@ import Link from "next/link";
 import Image from "next/image";
 import { GoogleSigninButton } from "./google-oauth";
 import { z } from "zod";
-import { useState } from "react";
+import { useContext, useState } from "react";
 import { useRouter } from "next/navigation";
 
 import { loginUser } from "@/api/authentication";
+import { SessionContext } from "@/context/SessionContext";
 
 export default function SigninPage() {
   const [serverError, setServerError] = useState<string | null>(null);
   const [isLoading, setIsLoading] = useState(false);
   const router = useRouter();
+  const session = useContext(SessionContext);
 
   const {
     register,
@@ -43,8 +45,13 @@ export default function SigninPage() {
 
     try {
       const data = await loginUser(values.email, values.password);
-      localStorage.setItem("token", data.Token);
+
-      localStorage.setItem("user", values.email);
+      if (!data) {
+        setServerError("An error occurred while logging in. Please try again.");
+        throw new Error("No data received from the server.");
+      }
+      session!.setToken(data.token);
+      session!.setUser(values.email);
 
       router.push("/setup");
     } catch (error: any) {

frontend/app/auth/signup/page.tsx

@@ -5,24 +5,27 @@ import { useForm } from "react-hook-form";
 
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
-import { Checkbox } from "@/components/ui/checkbox";
 import { Button } from "@/components/ui/button";
 
 import { signUpSchema } from "@/schema/authSchema";
 
 import Link from "next/link";
 import Image from "next/image";
-import { useState } from "react";
+import { useContext, useState } from "react";
 import { z } from "zod";
 
 import { useRouter } from "next/navigation";
 
 import { registerUser } from "@/api/authentication";
+import { SessionContext } from "@/context/SessionContext";
 
 export default function SignupPage() {
   const [serverError, setServerError] = useState<string | null>(null);
   const [successMessage, setSuccessMessage] = useState<string | null>(null);
+  const [isLoading, setIsLoading] = useState(false);
+
   const router = useRouter();
+  const session = useContext(SessionContext);
 
   const {
     register,
@@ -40,20 +43,25 @@ export default function SignupPage() {
   const onSubmit = async (values: z.infer<typeof signUpSchema>) => {
     setServerError(null);
     setSuccessMessage(null);
+    setIsLoading(true);
 
     try {
       const data = await registerUser(values.email, values.password);
 
-      localStorage.setItem("token", data.token);
+      if (!data) {
-      localStorage.setItem("user", values.email);
+        setServerError("An error occurred while registering. Please try again.");
+        throw new Error("No data received from the server.");
+      }
+      session!.setToken(data.token);
+      session!.setUser(values.email);
 
-      console.log("Registration successful:", data);
       setSuccessMessage("Registration successful! You can now sign in.");
-
       router.push("/setup");
     } catch (error: any) {
       console.error("Error during registration:", error);
       setServerError(error.message);
+    } finally {
+      setIsLoading(false);
     }
   };
 
@@ -105,8 +113,8 @@ export default function SignupPage() {
               {serverError && <p className="text-red-600 mt-2 text-sm">{serverError}</p>}
               {successMessage && <p className="text-green-600 mt-2 text-sm">{successMessage}</p>}
 
-              <Button type="submit" className="mt-5 rounded-full">
+              <Button type="submit" className="mt-5 rounded-full" disabled={isLoading}>
-                Sign up
+                {isLoading ? "Signing up..." : "Sign up"}
               </Button>
             </form>
 

frontend/app/layout.tsx

@@ -36,7 +36,7 @@ export default function RootLayout({
     <html lang="en" suppressHydrationWarning>
       <head />
       <SessionProvider>
-        <body className={`${openSans.variable} ${robotoMono.variable} font-sans antialiased`}>
+        <body className={`${openSans.variable} ${robotoMono.variable} antialiased`}>
           <ThemeProvider attribute="class" defaultTheme="system" enableSystem>
             <div className="relative flex min-h-screen flex-col">
               <div className="flex-1 bg-background">{children}</div>

frontend/app/page.tsx

@@ -41,7 +41,7 @@ export default function Home() {
             It's a smart and easy way to optimize your agricultural business, with the help of AI-driven insights and
             real-time data.
           </p>
-          <Link href="/auth/signin">
+          <Link href="/setup">
             <Button className="bg-black text-white text-md font-bold px-4 py-6 rounded-full hover:bg-gray-600">
               Manage your farm
             </Button>

frontend/context/SessionContext.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import React, { createContext, useContext, useState, useEffect, ReactNode } from "react";
+import Cookies from "js-cookie";
 
 interface SessionContextType {
   token: string | null;
@@ -21,17 +22,15 @@ export function SessionProvider({ children }: SessionProviderProps) {
   const [user, setUserState] = useState<any | null>(null);
   const [loading, setLoading] = useState<boolean>(true);
 
-  // Save or remove token from localStorage accordingly
   const setToken = (newToken: string | null) => {
     if (newToken) {
-      localStorage.setItem("token", newToken);
+      Cookies.set("token", newToken, { expires: 7 });
     } else {
-      localStorage.removeItem("token");
+      Cookies.remove("token");
     }
     setTokenState(newToken);
   };
 
-  // Save or remove user from localStorage accordingly
   const setUser = (newUser: any | null) => {
     if (newUser) {
       localStorage.setItem("user", JSON.stringify(newUser));
@@ -41,9 +40,8 @@ export function SessionProvider({ children }: SessionProviderProps) {
     setUserState(newUser);
   };
 
-  // On mount, check localStorage for token and user data
   useEffect(() => {
-    const storedToken = localStorage.getItem("token");
+    const storedToken = Cookies.get("token") || null;
     const storedUser = localStorage.getItem("user");
     if (storedToken) {
       setTokenState(storedToken);

frontend/hooks/useLogout.tsx

@@ -3,6 +3,7 @@
 import { useContext } from "react";
 import { useRouter } from "next/navigation";
 import { SessionContext } from "@/context/SessionContext";
+import Cookies from "js-cookie";
 
 export function useLogout() {
   const router = useRouter();
@@ -15,9 +16,13 @@ export function useLogout() {
   const { setToken, setUser } = context;
 
   const logout = () => {
+    Cookies.remove("token");
+    Cookies.remove("user");
+
     setToken(null);
     setUser(null);
 
+    console.log(Cookies.get("token"));
     router.push("/");
   };
 

frontend/package.json

@@ -24,6 +24,7 @@
     "axios": "^1.7.9",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "js-cookie": "^3.0.5",
     "lucide-react": "^0.475.0",
     "next": "15.1.0",
     "next-auth": "^4.24.11",

frontend/pnpm-lock.yaml

@@ -53,6 +53,9 @@ importers:
       clsx:
         specifier: ^2.1.1
         version: 2.1.1
+      js-cookie:
+        specifier: ^3.0.5
+        version: 3.0.5
       lucide-react:
         specifier: ^0.475.0
         version: 0.475.0(react@19.0.0)
@@ -1609,6 +1612,10 @@ packages:
   jose@4.15.9:
     resolution: {integrity: sha512-1vUQX+IdDMVPj4k8kOxgUqlcK518yluMuGZwqlr44FS1ppZB/5GWh4rZG89erpOBOJjU/OBsnCVFfapsRz6nEA==}
 
+  js-cookie@3.0.5:
+    resolution: {integrity: sha512-cEiJEAEoIbWfCZYKWhVwFuvPX1gETRYPw6LlaTKoxD3s2AkXzkCjnp6h0V77ozyqj0jakteJ4YqDJT830+lVGw==}
+    engines: {node: '>=14'}
+
   js-tokens@4.0.0:
     resolution: {integrity: sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==}
 
@@ -3992,6 +3999,8 @@ snapshots:
 
   jose@4.15.9: {}
 
+  js-cookie@3.0.5: {}
+
   js-tokens@4.0.0: {}
 
   js-yaml@4.1.0:

package.json

@@ -0,0 +1,5 @@
+{
+	"dependencies": {
+		"@types/js-cookie": "^3.0.6"
+	}
+}

pnpm-lock.yaml

@@ -0,0 +1,22 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    dependencies:
+      '@types/js-cookie':
+        specifier: ^3.0.6
+        version: 3.0.6
+
+packages:
+
+  '@types/js-cookie@3.0.6':
+    resolution: {integrity: sha512-wkw9yd1kEXOPnvEeEV1Go1MmxtBJL0RR79aOTAApecWFVu7w0NNXNqhcWgvw2YgZDYadliXkl14pa3WXw5jlCQ==}
+
+snapshots:
+
+  '@types/js-cookie@3.0.6': {}