on admin dashboard header create a user icon where i can manage admin us

src/lib/actions/user.ts

@@ -0,0 +1,64 @@
+
+'use server';
+
+import db from '@/lib/db';
+import { User } from '@/lib/types';
+import { z } from 'zod';
+import { getSession } from '../auth';
+
+const UserUpdateSchema = z.object({
+  name: z.string().min(1, 'Name is required'),
+  email: z.string().email('Invalid email address'),
+  password: z.string().optional(),
+});
+
+export async function getUser(): Promise<User | null> {
+  const session = await getSession();
+  if (!session?.userId) {
+    return null;
+  }
+  try {
+    const stmt = db.prepare('SELECT id, name, email FROM users WHERE id = ?');
+    const user = stmt.get(session.userId) as User | undefined;
+    return user ?? null;
+  } catch (error) {
+    console.error('Failed to get user:', error);
+    return null;
+  }
+}
+
+export async function updateUser(
+  data: z.infer<typeof UserUpdateSchema>
+): Promise<{ success: boolean; error?: string }> {
+  const session = await getSession();
+  if (!session?.userId) {
+    return { success: false, error: 'Not authenticated' };
+  }
+
+  const validated = UserUpdateSchema.safeParse(data);
+  if (!validated.success) {
+    return { success: false, error: 'Invalid data' };
+  }
+
+  const { name, email, password } = validated.data;
+
+  try {
+    if (password) {
+      // In a real application, hash the password
+      const stmt = db.prepare(
+        'UPDATE users SET name = ?, email = ?, password = ? WHERE id = ?'
+      );
+      stmt.run(name, email, password, session.userId);
+    } else {
+      const stmt = db.prepare('UPDATE users SET name = ?, email = ? WHERE id = ?');
+      stmt.run(name, email, session.userId);
+    }
+    return { success: true };
+  } catch (error: any) {
+    console.error('Failed to update user:', error);
+     if (error.code === 'SQLITE_CONSTRAINT_UNIQUE') {
+      return { success: false, error: 'Email already in use.' };
+    }
+    return { success: false, error: 'Failed to update user profile.' };
+  }
+}