Admin page

src/app/actions/change-role.ts

@@ -1,25 +1,56 @@
 "use server";
 
 import prisma from "@/server/db";
+import { getServerSideSession } from "@/lib/get-server-session";
 import { revalidatePath } from "next/cache";
+import getErrorMessage from "@/utils/getErrorMessage";
+import { UserRole,ADMIN_USERS_PATH } from "@/constants";
 
-async function updateUserRole(id: string, role: string) {
+async function updateUserRole(id: string, role: UserRole) {
+  const VALID_ROLES = Object.values(UserRole);
+  if (!VALID_ROLES.includes(role)) {
+    throw new Error(`Invalid role: ${role}`);
+  }
+  const session = await getServerSideSession();
+  if (!session || session.user.role !== UserRole.ADMIN) {
+    throw new Error(`Unauthorized Access...`);
+  }
   try {
     const updatedUser = await prisma.user.update({
       where: { id },
       data: { role },
     });
-    revalidatePath("/admin/users");
+    revalidatePath(ADMIN_USERS_PATH);
     return updatedUser;
   } catch (error) {
-    console.error("Error updating user role:", error);
-    return null;
+    console.error("Error updating user role:", getErrorMessage(error));
+    throw new Error("Failed to update user role. Please try again later.");
   }
 }
+
 export const makeAdmin = async (userId: string) => {
-  return await updateUserRole(userId, "ADMIN");
+  try {
+    return await updateUserRole(userId, UserRole.ADMIN);
+  } catch (error) {
+    console.error("Failed to make user admin:", getErrorMessage(error));
+    return null;
+  }
 };
 
 export const makeParticipant = async (userId: string) => {
-  return await updateUserRole(userId, "PARTICIPANT");
+  try {
+    return await updateUserRole(userId, UserRole.PARTICIPANT);
+  } catch (error) {
+    console.error("Failed to make user participant:", getErrorMessage(error));
+    return null;
+  }
+};
+
+export const makeCoordinator = async (userId: string) => {
+  try {
+    return await updateUserRole(userId, UserRole.COORDINATOR);
+  } catch (error) {
+    console.error("Failed to make user coordinator:", getErrorMessage(error));
+    return null;
+  }
 };

src/app/actions/create-coupon-code.ts

@@ -1,17 +1,46 @@
 "use server";
+import { generateCouponCode } from "@/lib/helper";
 import prisma from "@/server/db";
+import { couponSchema } from "@/utils/zod-schemas";
 
 export const saveCoupon = async (
-  coupon: string,
-  id: string,
-  discount: string = "20",
+    coupon: string,
+    createdById: string,
+    discount: number = 20,
+    numberOfCoupons: number = 1
 ) => {
-  const resp = await prisma.referral.create({
-    data: {
-      code: coupon,
-      isUsed: false,
-      createdById: id,
-      discountPercentage: discount,
-    },
-  });
+    try {
+        const validatCoupon = couponSchema.parse({ coupon, createdById, discount });
+
+        // Check if the coupon already exists
+        const couponExists = await prisma.referral.findFirst({
+            where: { code: validatCoupon.coupon },
+        });
+        if (couponExists) {
+            throw new Error("Coupon code already exists");
+        }
+
+        // Create coupons
+        const createCoupon = async (code: string) => {
+            return prisma.referral.create({
+                data: {
+                    code,
+                    isUsed: false,
+                    createdById: validatCoupon.createdById,
+                    discountPercentage: validatCoupon.discount.toString(),
+                },
+            });
+        };
+
+        const couponCodes =
+            numberOfCoupons === 1
+                ? [validatCoupon.coupon]
+                : Array.from({ length: numberOfCoupons }, () => generateCouponCode(10));
+
+        const responses = await Promise.all(couponCodes.map(createCoupon));
+        return responses;
+    } catch (error) {
+        console.error("Error creating coupon:", error);
+        throw new Error("Failed to create coupon. Please try again later.");
+    }
 };

src/app/actions/get-payment-count.ts

@@ -0,0 +1,15 @@
+"use server";
+
+import { getServerSideSession } from "@/lib/get-server-session";
+import prisma from "@/server/db";
+
+export default async function getPaymentCount() {
+    const session = await getServerSideSession();
+    if (!session) {
+        return null;
+    }
+
+    const paymentCount = await prisma.payment.count();
+
+    return paymentCount;
+}

src/app/actions/get-user-by-id.ts

@@ -1,13 +1,20 @@
 import prisma from "@/server/db"; // Adjust the import based on your structure
 
 export async function getUserById(userId: string) {
-  const user = await prisma.user.findUnique({
-    where: { id: userId },
-    select: {
-      id: true,
-      role: true, // Include any other fields you need
-    },
-  });
-
-  return user;
+  try {
+    const user = await prisma.user.findUnique({
+      where: { id: userId },
+      select: {
+        id: true,
+        role: true, 
+      },
+    });
+    if (!user) {
+      throw new Error(`User with ID ${userId} not found`);
+    }
+    return user;
+  } catch (error) {
+    console.error("Error getting user by id:", error);
+    throw new Error("Failed to get user. Please try again later.");
+  }
 }

src/app/actions/get-user-count.ts

@@ -0,0 +1,14 @@
+"use server";
+import prisma from "@/server/db";
+import { getServerSideSession } from "@/lib/get-server-session";
+
+export default async function getUserCount() {
+    const session = await getServerSideSession();
+    if (!session) {
+        return null;
+    }
+
+    const userCount = await prisma.user.count();
+
+    return userCount;
+}

src/app/actions/is-allowed-to-access.ts

@@ -3,10 +3,16 @@
 import prisma from "@/server/db";
 
 export const isAllowedToAccess = async (email: string): Promise<boolean> => {
+    if (!email) return false;
+  try {
     const user = await prisma.sjecUser.findFirst({
-        where: {
-            email: email,
-        },
+      where: {
+        email: email,
+      },
     });
     return user !== null;
+  } catch (error) {
+    console.error("Error getting user by email:", error);
+    return false;
+  }
 };

src/app/actions/submit-form.ts

@@ -3,26 +3,37 @@
 import { getServerSideSession } from "@/lib/get-server-session";
 import prisma from "@/server/db";
 import { FormDataInterface } from "@/types";
+import { z } from "zod";
+
+const amountSchema = z.number().positive("Amount must be a positive number.");
 
 export async function submitForm(data: FormDataInterface, amount: number) {
   const session = await getServerSideSession();
   if (!session) {
-    return;
+    throw new Error("User is not authenticated");
   }
+  const validatedAmount = amountSchema.parse(amount);
+
+  const totalAmount = Math.round(validatedAmount + validatedAmount * 0.02);
 
-  return await prisma.form.create({
-    data: {
-      name: data.name,
-      usn: data.usn,
-      email: data.email,
-      foodPreference: data.foodPreference,
-      contact: data.phone,
-      designation: data.designation,
-      paidAmount: amount,
-      photo: data.photo,
-      collegeIdCard: data.idCard,
-      createdById: session.user.id,
-      entityName: data.entityName,
-    },
-  });
+  try {
+    return await prisma.form.create({
+      data: {
+        name: data.name,
+        usn: data.usn,
+        email: data.email,
+        foodPreference: data.foodPreference,
+        contact: data.phone,
+        designation: data.designation,
+        paidAmount: totalAmount,
+        photo: data.photo,
+        collegeIdCard: data.idCard,
+        createdById: session.user.id,
+        entityName: data.entityName,
+      },
+    });
+  } catch (error) {
+    console.error("Error creating form:", error);
+    throw new Error("Failed to submit the form. Please try again later.");
+  }
 }

src/app/admin/layout.tsx

@@ -5,7 +5,9 @@ import { Inter } from "next/font/google";
 import "./globals.css";
 import Providers from "@/components/layout/Provider";
 import { AdminNavbar } from "@/components/admin/Navbar/navbar";
-import { useSession } from "next-auth/react";
+import { signIn, useSession } from "next-auth/react";
+import { useEffect, useState } from "react";
+import { tailChase } from "ldrs";
 
 const inter = Inter({ subsets: ["latin"] });
 
@@ -14,22 +16,62 @@ export default function RootLayout({
 }: Readonly<{
   children: React.ReactNode;
 }>) {
-  const { data: session } = useSession({
+  const { data: session, status } = useSession({
     required: true,
+    onUnauthenticated: async () => {
+      await signIn("google");
+    },
   });
 
+  if (typeof window !== "undefined") {
+    tailChase.register();
+  }
+
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    if (status === "loading") {
+      setIsLoading(true);
+    } else {
+      setIsLoading(false);
+    }
+  }, [status]);
+
+  if (isLoading || status !== "authenticated" || !session) {
+    // Show the loading spinner if session is loading or not authenticated
+    return (
+      <div className="flex flex-col items-center justify-center min-h-screen">
+        <l-tail-chase
+          size={"88"}
+          speed={"1.75"}
+          color={"#FF0000"}
+        ></l-tail-chase>
+      </div>
+    );
+  }
+
   if (!session) {
     return (
-      <div className="w-screen h-screen flex justify-center items-center">
-        Unauthorized
+      <div className="w-screen h-screen flex justify-center items-center bg-black text-gray-200">
+        <div className="text-center">
+          <h1 className="text-3xl font-bold mb-2 text-red-500">Unauthorized</h1>
+          <p className="text-gray-400">
+            You need to log in to access this page.
+          </p>
+        </div>
       </div>
     );
   }
 
-  if (session.user.role !== "ADMIN") {
+  if (session.user.role !== "ADMIN" && session.user.role !== "COORDINATOR") {
     return (
-      <div className="w-screen h-screen flex justify-center items-center">
-        Forbidden
+      <div className="w-screen h-screen flex justify-center items-center bg-black text-gray-200">
+        <div className="text-center">
+          <h1 className="text-3xl font-bold mb-2 text-red-500">Forbidden</h1>
+          <p className="text-gray-400">
+            You do not have the required permissions to view this page.
+          </p>
+        </div>
       </div>
     );
   }
@@ -40,7 +82,7 @@ export default function RootLayout({
         <Providers>
           <div className="flex h-screen overflow-hidden">
             <AdminNavbar />
-            <main className="flex-1 overflow-auto bg-indigo-50">
+            <main className="ml-16 md:ml-0 flex-1 overflow-y-auto bg-gray-800">
               {children}
             </main>
           </div>

src/app/admin/loading.tsx

@@ -0,0 +1,31 @@
+"use client"
+import React from "react";
+
+const Loading: React.FC = () => {
+    return (
+        <div className="flex items-center justify-center h-screen text-red-500">
+            <div className="loader"></div>
+            <style jsx>{`
+                .loader {
+                    border: 8px solid #f3f3f3; /* Light grey */
+                    border-top: 8px solid #3498db; /* Blue */
+                    border-radius: 50%;
+                    width: 60px;
+                    height: 60px;
+                    animation: spin 1s linear infinite;
+                }
+
+                @keyframes spin {
+                    0% {
+                        transform: rotate(0deg);
+                    }
+                    100% {
+                        transform: rotate(360deg);
+                    }
+                }
+            `}</style>
+        </div>
+    );
+};
+
+export default Loading;