feat: agregar login y register funcionales

src/context/UserContext.jsx

@@ -3,12 +3,47 @@ import { createContext, useState } from "react";
 export const UserContext = createContext();
 
 const UserProvider = ({ children }) => {
-  const [token, setToken] = useState(true);
+  const [token, setToken] = useState(localStorage.getItem("loginToken"));
+  const [email, setEmail] = useState(null);
+
+  const storeData = (email, token) => {
+    setEmail(email);
+    setToken(token);
+    localStorage.setItem("loginToken", data.token);
+  };
+  const login = async (user, password) => {
+    const res = await fetch("http://localhost:5000/api/auth/login", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ email: user, password }),
+    });
+    if (!res.ok) {
+      throw new Error("Error al iniciar sesión");
+    }
+    const data = await res.json();
+    storeData(email, data.token);
+  };
+  const register = async (user, password) => {
+    const res = await fetch("http://localhost:5000/api/auth/register", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ email: user, password }),
+    });
+    if (!res.ok) {
+      throw new Error("Error al registrarse");
+    }
+    const data = await res.json();
+    storeData(email, data.token);
+  };
   const logout = () => {
-    setToken(false);
+    localStorage.removeItem("loginToken");
+    setToken(null);
+    setEmail(null);
   };
   return (
-    <UserContext.Provider value={{ token, setToken, logout }}>
+    <UserContext.Provider
+      value={{ token, setToken, email, setEmail, login, register, logout }}
+    >
       {children}
     </UserContext.Provider>
   );

src/pages/Login.jsx

@@ -1,39 +1,90 @@
-import { useState } from "react";
+// Librería recomendada en tutoría
+import { useForm } from "@tanstack/react-form";
+import { useContext } from "react";
+// Librería recomendada en tutoría
+import { z } from "zod";
+import { UserContext } from "../context/UserContext";
+import { useNavigate } from "react-router-dom";
+
+// Esquema de validación de login
+const loginSchema = z.object({
+  user: z
+    .email({ error: "Email inválido" })
+    .nonempty({ error: "Se requiere un email" }),
+  password: z
+    .string()
+    .min(6, { error: "La contraseña debe tener al menos 6 caracteres" }),
+});
 
 const Login = () => {
-  const [user, setUser] = useState("");
+  const { login } = useContext(UserContext);
-  const [pass, setPass] = useState("");
+  const form = useForm({
+    defaultValues: { user: "", password: "" },
+    validators: { onChange: loginSchema },
+    onSubmit: async ({ value: { user, password } }) => {
+      try {
+        await login(user, password);
+      } catch (error) {
+        alert("Error de login");
+      }
+    },
+  });
+  /**
+   * @type {React.SubmitEventHandler<HTMLFormElement>}
+   */
   return (
-    <div>
+    <form
+      onSubmit={(ev) => {
+        ev.preventDefault();
+        form.handleSubmit();
+      }}
+    >
+      <form.Field
+        name="user"
+        children={(field) => {
+          return (
+            <>
               <p>Usuario</p>
               <input
                 type="text"
                 className="bg-gray-200"
-        onChange={(ev) => setUser(ev.target.value)}
+                value={field.value}
+                onChange={(ev) => field.handleChange(ev.target.value)}
+              />
+              {!field.state.meta.isValid && (
+                <p className="text-red-300">
+                  {field.state.meta.errors.map((e) => e.message).join(", ")}
+                </p>
+              )}
+            </>
+          );
+        }}
       />
       <p>Contraseña</p>
+      <form.Field
+        name="password"
+        children={(field) => {
+          return (
+            <>
               <input
                 type="password"
                 className="bg-gray-200"
-        onChange={(ev) => setPass(ev.target.value)}
+                value={field.value}
+                onChange={(ev) => field.handleChange(ev.target.value)}
               />
-      <p>Confirmar contraseña</p>
+              {!field.state.meta.isValid && (
-      <button
+                <p className="text-red-300">
-        className="p-2 rounded-md bg-teal-400"
+                  {field.state.meta.errors.map((e) => e.message).join(", ")}
-        onClick={() => {
+                </p>
-          if (pass.length < 6) {
+              )}
-            alert("La contraseña debe tener por lo menos 6 caracteres");
+            </>
-            return;
+          );
-          }
-          if (user.length === 0) {
-            alert("Se requiere un nombre de usuario");
-          }
-          alert("Autenticacion exitosa");
         }}
-      >
+      />
+      <button className="p-2 rounded-md bg-teal-400" type="submit">
         Iniciar sesión
       </button>
-    </div>
+    </form>
   );
 };
 

src/pages/Register.jsx

@@ -1,50 +1,101 @@
-import { useState } from "react";
+import { useForm } from "@tanstack/react-form";
+import { useContext, useState } from "react";
+import { z } from "zod";
+import { UserContext } from "../context/UserContext";
+
+const registerSchema = z
+  .object({
+    user: z.email().nonempty({ error: "Se requiere un email" }),
+    password: z
+      .string()
+      .min(6, { error: "la contraseña debe ser de al menos 6 caracteres" }),
+    confirmPassword: z.string(),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    error: "las contraseñas no coinciden",
+    path: ["confirmPassword"],
+  });
 
 const Register = () => {
-  const [user, setUser] = useState("");
+  const { register } = useContext(UserContext);
-  const [pass, setPass] = useState("");
+  const form = useForm({
-  const [confirmPass, setConfirmPass] = useState("");
+    defaultValues: { user: "", password: "", confirmPassword: "" },
+    validators: { onChange: registerSchema },
+    onSubmit: ({ value: { user, password, confirmPassword } }) => {
+      try {
+        register(user, password);
+      } catch (error) {
+        alert("Error de registro");
+      }
+    },
+  });
   return (
-    <div>
+    <form
+      onSubmit={(ev) => {
+        ev.preventDefault();
+        form.handleSubmit();
+      }}
+    >
       <p>Usuario</p>
+      <form.Field
+        name="user"
+        children={(field) => (
+          <>
             <input
               type="text"
               className="bg-gray-200"
-        onChange={(ev) => setUser(ev.target.value)}
+              value={field.value}
+              onChange={(ev) => field.handleChange(ev.target.value)}
+            />
+            {!field.state.meta.isValid && (
+              <p className="text-red-300">
+                {field.state.meta.errors.map((e) => e.message).join(", ")}
+              </p>
+            )}
+          </>
+        )}
       />
       <p>Contraseña</p>
+      <form.Field
+        name="password"
+        children={(field) => (
+          <>
             <input
               type="password"
               className="bg-gray-200"
-        onChange={(ev) => setPass(ev.target.value)}
+              onChange={(ev) => field.handleChange(ev.target.value)}
+            />
+            {!field.state.meta.isValid && (
+              <p className="text-red-300">
+                {field.state.meta.errors.map((e) => e.message).join(", ")}
+              </p>
+            )}
+          </>
+        )}
       />
       <p>Confirmar contraseña</p>
+      <form.Field
+        name="confirmPassword"
+        children={(field) => (
+          <>
             <input
               type="password"
               className="bg-gray-200"
-        onChange={(ev) => setConfirmPass(ev.target.value)}
+              onChange={(ev) => field.handleChange(ev.target.value)}
+            />
+            {!field.state.meta.isValid && (
+              <p className="text-red-300">
+                {field.state.meta.errors.map((e) => e.message).join(", ")}
+              </p>
+            )}
+          </>
+        )}
       />
       <br />
-      <button
+      <button className="p-2 rounded-md bg-teal-400" type="submit">
-        className="p-2 rounded-md bg-teal-400"
-        onClick={() => {
-          if (pass.length < 6) {
-            alert("La contraseña debe tener por lo menos 6 caracteres");
-            return;
-          }
-          if (pass !== confirmPass) {
-            alert("Las contraseñas no coinciden");
-            return;
-          }
-          if (user.length === 0) {
-            alert("Se requiere un nombre de usuario");
-          }
-          alert("Autenticacion exitosa");
-        }}
-      >
         Registrarse
       </button>
-    </div>
+    </form>
   );
 };