implement admin panel with login functionality and dashboard layout

admin/src/utils/loginUser.ts

@@ -0,0 +1,43 @@
+import Cookies from "js-cookie";
+
+export type LoginSuccess = { success: true };
+export type LoginFailure = {
+  success: false;
+  message: string;
+  description: string;
+};
+export type LoginResult = LoginSuccess | LoginFailure;
+
+export const loginFunc = async (
+  username: string,
+  password: string
+): Promise<LoginResult> => {
+  try {
+    const response = await fetch("http://localhost:8002/api/loginAdmin", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ username, password }),
+    });
+
+    if (!response.ok) {
+      return {
+        success: false,
+        message: "Login failed!",
+        description: "Invalid username or password.",
+      };
+    }
+
+    // Successful login
+    const data = await response.json();
+    Cookies.set("token", data.token);
+    localStorage.setItem("userName", data.first_name);
+    return { success: true };
+  } catch (error) {
+    console.error("Error logging in:", error);
+    return {
+      success: false,
+      message: "Login failed!",
+      description: "Server error.",
+    };
+  }
+};

admin/src/utils/toastify.ts

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+import { toast, Flip, type ToastOptions } from "react-toastify";
+
+export type ToastType = "success" | "error" | "info" | "warning";
+
+export const myToast = (message: string, msgType: ToastType) => {
+  let config: ToastOptions = {
+    position: "top-right",
+    autoClose: 3000,
+    hideProgressBar: false,
+    closeOnClick: true,
+    pauseOnHover: true,
+    draggable: true,
+    progress: undefined,
+    theme: "colored",
+    transition: Flip,
+  };
+  toast[msgType](message, config);
+};