feat: api client and natural login and logoff

src/pages/login.tsx

@@ -3,6 +3,7 @@ import Input from "@/components/ui/Input";
 import { withTitle } from "@/constructors/Component";
 import { UrlsTitle } from "@/enums/urls";
 import { useAppContext } from "@/providers/AuthProvider";
+import apiClient from "@/services/api";
 import { FunctionComponent } from "preact";
 import { useLocation } from "preact-iso";
 import "preact/debug";
@@ -10,10 +11,6 @@ import { Controller, SubmitHandler, useForm } from "react-hook-form";
 import { ILoginForm } from "./login.dto";
 import classes from "./login.module.scss";
 
-const testUser = {
-  login: "test",
-  password: "test",
-};
 const LoginPage: FunctionComponent = () => {
   const { isLoggedIn } = useAppContext();
   const { route } = useLocation();
@@ -25,15 +22,35 @@ const LoginPage: FunctionComponent = () => {
     mode: "onChange",
   });
   const login: SubmitHandler<ILoginForm> = async (data) => {
-    console.log(data);
+    try {
-    if (data.login !== testUser.login || data.password !== testUser.password) {
+      const response = await apiClient<{ success: boolean; user?: any; error?: string }>(
-      setError("login", { message: "Неверный логин или пароль" });
+        "/api/login/",
-      setError("password", { message: "Неверный логин или пароль" });
+        {
-      return;
+          method: "POST",
+          body: JSON.stringify({ username: data.login, password: data.password }),
+          needsCsrf: true,
+        },
+        isLoggedIn
+      );
+
+      if (response.success) {
+        isLoggedIn.value = true;
+        localStorage.setItem("loggedIn", "true");
+        route("/profile/tasks", true);
+      } else {
+        const errorMessage = response.error || "Неверный логин или пароль";
+        setError("login", { message: errorMessage });
+        setError("password", { message: " " });
+      }
+    } catch (error: any) {
+      console.error("Login failed:", error);
+      const errorMessage =
+        error.message.includes("Authentication failed") || error.message.includes("Invalid credentials")
+          ? "Неверный логин или пароль"
+          : "Ошибка входа. Попробуйте позже.";
+      setError("login", { message: errorMessage });
+      setError("password", { message: " " });
     }
-    isLoggedIn.value = true;
-    localStorage.setItem("loggedIn", "true");
-    route("/profile/tasks", true);
   };
   if (isLoggedIn.value) route("/profile/tasks", true);
   return !isLoggedIn.value ? (

src/pages/profile.tsx

@@ -6,8 +6,16 @@ import ids from "./profile.module.scss";
 
 const ProfilePage: FunctionComponent = () => {
   const { route } = useLocation();
-  const { isLoggedIn } = useAppContext();
+  const { isLoggedIn, isCheckingAuth } = useAppContext(); // Получаем новый сигнал
-  if (!isLoggedIn.value) route("/login", true);
+
+  if (isCheckingAuth.value) {
+    return <div class="flex h-screen items-center justify-center">Проверка авторизации...</div>;
+  }
+
+  if (!isLoggedIn.value) {
+    route("/login", true);
+    return <p>Redirecting...</p>; // Заглушка на время редиректа
+  }
   return isLoggedIn.value ? (
     <div id={ids.main_container}>
       <div id={ids.router_container}>

src/pages/profile_settings.tsx

@@ -2,6 +2,7 @@ import Button from "@/components/ui/Button";
 import { withTitle } from "@/constructors/Component";
 import { UrlsTitle } from "@/enums/urls";
 import { useAppContext } from "@/providers/AuthProvider";
+import apiClient from "@/services/api";
 import { cn } from "@/utils/class-merge";
 import { calculatePoints, getCurrentStatus } from "@/utils/status-system";
 import { ArrowRightStartOnRectangleIcon, Cog8ToothIcon } from "@heroicons/react/24/outline";
@@ -38,6 +39,18 @@ const ProfileSettings: FunctionComponent = () => {
     return () => window.removeEventListener("storage", handleStorage);
   }, []);
 
+  const handleLogout = async () => {
+    try {
+      await apiClient("/api/logout/", { method: "POST", needsCsrf: true }, isLoggedIn);
+      isLoggedIn.value = false;
+      localStorage.removeItem("loggedIn");
+      localStorage.removeItem("user");
+      route("/login", true);
+    } catch (error) {
+      console.error("Logout failed:", error);
+    }
+  };
+
   return (
     <div class={classes.container}>
       <div class="flex w-full flex-col items-center rounded-[4rem] bg-[linear-gradient(180.00deg,rgb(251,194,199),rgba(206,232,251,0.72)_100%)] px-7 py-5 shadow-[0px_4px_4px_0px_rgba(0,0,0,0.25)] md:flex-row">
@@ -64,11 +77,7 @@ const ProfileSettings: FunctionComponent = () => {
             </Button>
             <Button
               className="flex flex-row items-center justify-center gap-2 bg-[linear-gradient(180.00deg,rgba(246,255,211,0.7),rgba(195,229,253,0.7)_100%)]"
-              onClick={() => {
+              onClick={handleLogout}
-                isLoggedIn.value = false;
-                localStorage.setItem("loggedIn", "false");
-                route("/login", true);
-              }}
             >
               <ArrowRightStartOnRectangleIcon class="size-8" /> Выйти
             </Button>

src/providers/AuthProvider.tsx

@@ -1,20 +1,75 @@
-import { stringToBoolean } from "@/utils/converter";
+import apiClient from "@/services/api";
 import { signal, Signal } from "@preact/signals";
 import { createContext, JSX } from "preact";
-import { useContext } from "preact/hooks";
+import { useContext, useEffect } from "preact/hooks";
+
+interface UserData {
+  id: number;
+  username: string;
+  email: string;
+}
+
+interface AuthStatusResponse {
+  isAuthenticated: boolean;
+  user?: UserData;
+}
 
 interface AppContextValue {
   isLoggedIn: Signal<boolean>;
+  isCheckingAuth: Signal<boolean>;
+  currentUser: Signal<UserData | null>;
+  checkAuth: () => Promise<void>;
 }
-const ininitialValue = stringToBoolean(localStorage.getItem("loggedIn"));
 
-const AppContext = createContext<AppContextValue>({
+const initialLoggedIn = localStorage.getItem("loggedIn") === "true";
-  isLoggedIn: signal(ininitialValue),
+
-});
+const AppContext = createContext<AppContextValue | null>(null);
 
 const AppProvider = ({ children }: { children: JSX.Element }) => {
+  const isLoggedIn = signal(initialLoggedIn);
+  const isCheckingAuth = signal(true);
+  const currentUser = signal<UserData | null>(null);
+
+  const checkAuth = async () => {
+    console.log("Checking auth status...");
+    isCheckingAuth.value = true;
+    try {
+      const response = await apiClient<AuthStatusResponse>("/api/auth/status/", {
+        method: "GET",
+        needsCsrf: false,
+      });
+
+      if (response.isAuthenticated && response.user) {
+        console.log("User is authenticated:", response.user.username);
+        isLoggedIn.value = true;
+        currentUser.value = response.user;
+        localStorage.setItem("loggedIn", "true");
+      } else {
+        console.log("User is not authenticated.");
+        isLoggedIn.value = false;
+        currentUser.value = null;
+        localStorage.removeItem("loggedIn");
+      }
+    } catch (error: any) {
+      console.error("Auth check failed:", error.message);
+      isLoggedIn.value = false;
+      currentUser.value = null;
+      localStorage.removeItem("loggedIn");
+    } finally {
+      isCheckingAuth.value = false;
+      console.log("Auth check finished. isLoggedIn:", isLoggedIn.value);
+    }
+  };
+
+  useEffect(() => {
+    checkAuth();
+  }, []);
+
   const value: AppContextValue = {
-    isLoggedIn: signal(ininitialValue),
+    isLoggedIn,
+    isCheckingAuth,
+    currentUser,
+    checkAuth,
   };
 
   return <AppContext.Provider value={value}>{children}</AppContext.Provider>;
@@ -29,3 +84,4 @@ const useAppContext = () => {
 };
 
 export { AppProvider, useAppContext };
+export type { UserData };

src/services/api.ts

@@ -0,0 +1,99 @@
+import { Signal } from "@preact/signals";
+
+function getCookie(name: string): string | null {
+  let cookieValue = null;
+  if (document.cookie && document.cookie !== "") {
+    const cookies = document.cookie.split(";");
+    for (let i = 0; i < cookies.length; i++) {
+      const cookie = cookies[i].trim();
+      if (cookie.substring(0, name.length + 1) === name + "=") {
+        cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
+        break;
+      }
+    }
+  }
+  return cookieValue;
+}
+
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || "http://localhost:8000";
+
+interface RequestOptions extends RequestInit {
+  needsCsrf?: boolean;
+  isFormData?: boolean;
+}
+
+async function apiClient<T>(
+  endpoint: string,
+  options: RequestOptions = {},
+  isLoggedInSignal?: Signal<boolean>
+): Promise<T> {
+  const url = `${API_BASE_URL}${endpoint}`;
+  const { needsCsrf = true, isFormData = false, ...fetchOptions } = options;
+
+  const headers: HeadersInit = {
+    ...(isFormData ? {} : { "Content-Type": "application/json" }),
+    Accept: "application/json",
+    ...fetchOptions.headers,
+  };
+
+  const method = options.method?.toUpperCase() || "GET";
+  if (needsCsrf && ["POST", "PUT", "PATCH", "DELETE"].includes(method)) {
+    const csrfToken = getCookie("csrftoken");
+    if (csrfToken) {
+      (headers as Record<string, string>)["X-CSRFToken"] = csrfToken;
+    } else {
+      console.warn("CSRF token not found in cookies.");
+      await fetchCsrfToken(); // Implement this function if needed
+      const newCsrfToken = getCookie("csrftoken");
+      if (newCsrfToken) {
+        (headers as Record<string, string>)["X-CSRFToken"] = newCsrfToken;
+      } else {
+        throw new Error("CSRF token is missing");
+      }
+    }
+  }
+
+  const config: RequestInit = {
+    ...fetchOptions,
+    headers,
+    credentials: "include",
+  };
+
+  try {
+    const response = await fetch(url, config);
+
+    if (response.status === 401 || response.status === 403) {
+      console.error("Authentication error:", response.status);
+      if (isLoggedInSignal) {
+        isLoggedInSignal.value = false;
+        localStorage.setItem("loggedIn", "false");
+      }
+      throw new Error(`Authentication failed: ${response.status}`);
+    }
+
+    if (!response.ok) {
+      const errorData = await response.json().catch(() => ({}));
+      console.error("API Error:", response.status, errorData);
+      throw new Error(`HTTP error ${response.status}: ${JSON.stringify(errorData) || response.statusText}`);
+    }
+
+    if (response.status === 204) {
+      return {} as T;
+    }
+
+    return (await response.json()) as T;
+  } catch (error) {
+    console.error("API Client Fetch Error:", error);
+    throw error;
+  }
+}
+
+async function fetchCsrfToken() {
+  try {
+    await apiClient("/api/get-csrf/", { method: "GET", needsCsrf: false });
+  } catch (error) {
+    console.error("Failed to fetch CSRF token:", error);
+  }
+}
+
+export default apiClient;