users email duplicate check

src/actions/userActions.ts

@@ -2,27 +2,32 @@
 import { eq, not , asc} from "drizzle-orm";
 import { revalidatePath } from "next/cache";
 import { db } from "@db/index";
-import { usersMerged } from "@schemas/schema";
+import { users } from "@schemas/schema";
 
 export const getData = async () => {
-  const data = await db.select().from(usersMerged).orderBy(asc(usersMerged.email));
+  const data = await db.select().from(users).orderBy(asc(users.email));
+  return data;
+};
+
+export const getUserByEmail = async (email:string) => {
+  const data = await db.select().from(users).where(eq(users.email, email));
   return data;
 };
 
 export const addUser = async ( first_name:  string, last_name: string, username: string,  email: string, password_hash : string) => {
-   await db.insert(usersMerged).values({
+   await db.insert(users).values({
     first_name : first_name, last_name: last_name, username: username, email: email, password_hash : password_hash 
   }); 
 };
 
 export const deleteUser = async (id: string) => {
-  await db.delete(usersMerged).where(eq(usersMerged.id, id));
+  await db.delete(users).where(eq(users.id, id));
   revalidatePath("/");
 };
 
 export const editUser = async (id: string, first_name: string, last_name: string, username: string, email : string, password_hash: string) => {
   await db
-    .update(usersMerged)
+    .update(users)
     .set({
       first_name : first_name, 
       last_name: last_name, 
@@ -30,6 +35,6 @@ export const editUser = async (id: string, first_name: string, last_name: string
       email: email, 
       password_hash: password_hash
     })
-    .where(eq(usersMerged.id, id));
+    .where(eq(users.id, id));
   revalidatePath("/");
 };

src/components/RegistrationForm/index.tsx

@@ -2,7 +2,8 @@
 
 import { useState } from "react";
 import { useRouter } from "next/navigation";
-import { addUser } from "@actions/userActions";
+import { addUser, getUserByEmail } from "@actions/userActions";
+import { users } from '@schemas/schema'; 
 export default function RegistrationForm() {
   const router = useRouter();
   const [error, setError] = useState("");
@@ -18,15 +19,19 @@ export default function RegistrationForm() {
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     setError("");
-    alert("in the submit");
+
     alert(formData.password + ":" + formData.confirmPassword);
     if (formData.password !== formData.confirmPassword) {
       setError("Passwords do not match");
-      console.log("password no match");
-      alert("password no match");
       return;
     }
 
+    const existingUser : any = null;
+    if((await getUserByEmail(formData.email)).length > 0){
+       setError("Duplicate E-Mail Address");
+      return
+    }  
+
     try {
       addUser(
         formData.first_name,
@@ -35,7 +40,6 @@ export default function RegistrationForm() {
         formData.email,
         formData.password
       );
-      console.log("Form submitted:", formData);
       router.push("/signin"); // Redirect to login after successful registration
     } catch (err) {
       setError("Failed to register user");

src/drizzle/schema/schema.ts

@@ -17,7 +17,7 @@ export const products = pgTable("products", {
 });
 
 
-export const usersMerged = pgTable("users", {
+export const users = pgTable("users", {
 	id: text("id")
 	.primaryKey()
 	.$defaultFn(() => crypto.randomUUID()),