API Mobile Event

Add:
- api/mobile/event/[id]/check-participants : untuk cek keikut sertaan peserta

Fix:
- api/mobile/event/route : tambah get berdasarkan kategory
- mobile/event/[id]/participants/route: clear code

### No Issue

src/app/api/mobile/event/[id]/check-participants/route.ts

@@ -0,0 +1,48 @@
+import { NextResponse } from "next/server";
+import prisma from "@/lib/prisma";
+
+export {GET}
+
+async function GET(request: Request, { params }: { params: { id: string } }) {
+    try {
+        const { id } = params;
+        const { searchParams } = new URL(request.url);
+        const userId = searchParams.get("userId");
+
+        let fixData
+
+        const checkParticipant = await prisma.event_Peserta.findFirst({
+          where: {
+            userId: userId as any,
+            eventId: id,
+          },
+        });
+
+        if (checkParticipant !== null) {
+          fixData = true;
+        } else {
+          fixData = false;
+        }
+
+        return NextResponse.json(
+          {
+            success: true,
+            message: "Success get participants",
+            data: fixData,
+          },
+          { status: 200 }
+        );
+        
+    } catch (error) {
+        return NextResponse.json(
+          {
+            success: false,
+            message: "Error get participants",
+            reason: (error as Error).message,
+          },
+          { status: 500 }
+        );
+        
+    }
+    
+}