feat(matching): add auto-matching system for recording partners
Implement algorithm to match dancers with recorders based on: - Heat collision avoidance (division + competitionType + heatNumber) - Buffer time (1 heat after dancing before can record) - Location preference (same city > same country > anyone) - Max 3 recordings per person - Opt-out support (falls to bottom of queue) New API endpoints: - PUT /events/:slug/registration-deadline - PUT /events/:slug/recorder-opt-out - POST /events/:slug/run-matching - GET /events/:slug/match-suggestions - PUT /events/:slug/match-suggestions/:id/status Database changes: - Event: registrationDeadline, matchingRunAt - EventParticipant: recorderOptOut - RecordingSuggestion: new model for match suggestions
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Radosław Gierwiało
@@ -2,6 +2,7 @@ const express = require('express');
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const { prisma } = require('../utils/db');
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const { authenticate } = require('../middleware/auth');
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const { getIO } = require('../socket');
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const matchingService = require('../services/matching');
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const router = express.Router();
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@@ -907,4 +908,274 @@ router.delete('/:slug/heats/:id', authenticate, async (req, res, next) => {
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}
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});
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// ============================================
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// AUTO-MATCHING ENDPOINTS
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// ============================================
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// PUT /api/events/:slug/registration-deadline - Set registration deadline
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router.put('/:slug/registration-deadline', authenticate, async (req, res, next) => {
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try {
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const { slug } = req.params;
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const { registrationDeadline } = req.body;
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// Find event
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const event = await prisma.event.findUnique({
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where: { slug },
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select: { id: true },
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});
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if (!event) {
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return res.status(404).json({
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success: false,
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error: 'Event not found',
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});
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}
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// Update registration deadline
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const updated = await prisma.event.update({
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where: { id: event.id },
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data: {
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registrationDeadline: registrationDeadline ? new Date(registrationDeadline) : null,
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},
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select: {
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id: true,
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slug: true,
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registrationDeadline: true,
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},
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});
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res.json({
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success: true,
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data: updated,
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});
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} catch (error) {
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next(error);
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}
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});
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// PUT /api/events/:slug/recorder-opt-out - Set recorder opt-out preference
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router.put('/:slug/recorder-opt-out', authenticate, async (req, res, next) => {
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try {
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const { slug } = req.params;
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const userId = req.user.id;
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const { optOut } = req.body;
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if (typeof optOut !== 'boolean') {
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return res.status(400).json({
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success: false,
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error: 'optOut must be a boolean',
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});
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}
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// Find event and participant
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const event = await prisma.event.findUnique({
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where: { slug },
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select: { id: true },
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});
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if (!event) {
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return res.status(404).json({
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success: false,
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error: 'Event not found',
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});
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}
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const participant = await prisma.eventParticipant.findUnique({
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where: {
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userId_eventId: {
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userId,
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eventId: event.id,
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},
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},
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});
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if (!participant) {
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return res.status(403).json({
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success: false,
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error: 'You are not a participant of this event',
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});
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}
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// Update opt-out preference
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const updated = await prisma.eventParticipant.update({
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where: { id: participant.id },
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data: { recorderOptOut: optOut },
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select: {
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id: true,
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recorderOptOut: true,
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},
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});
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res.json({
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success: true,
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data: {
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recorderOptOut: updated.recorderOptOut,
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},
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});
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} catch (error) {
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next(error);
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}
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});
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// POST /api/events/:slug/run-matching - Run the auto-matching algorithm
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router.post('/:slug/run-matching', authenticate, async (req, res, next) => {
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try {
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const { slug } = req.params;
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// Find event
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const event = await prisma.event.findUnique({
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where: { slug },
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select: {
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id: true,
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registrationDeadline: true,
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matchingRunAt: true,
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},
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});
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if (!event) {
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return res.status(404).json({
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success: false,
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error: 'Event not found',
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});
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}
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// TODO: In production, add admin check or deadline validation
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// For now, allow anyone to run matching for testing
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// Run matching algorithm
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const suggestions = await matchingService.runMatching(event.id);
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// Save results
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const count = await matchingService.saveMatchingResults(event.id, suggestions);
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// Get statistics
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const notFoundCount = suggestions.filter(s => s.status === 'not_found').length;
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const matchedCount = suggestions.filter(s => s.status === 'pending').length;
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res.json({
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success: true,
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data: {
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totalHeats: suggestions.length,
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matched: matchedCount,
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notFound: notFoundCount,
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runAt: new Date(),
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},
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});
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} catch (error) {
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next(error);
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}
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});
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// GET /api/events/:slug/match-suggestions - Get matching suggestions for current user
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router.get('/:slug/match-suggestions', authenticate, async (req, res, next) => {
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try {
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const { slug } = req.params;
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const userId = req.user.id;
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// Find event
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const event = await prisma.event.findUnique({
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where: { slug },
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select: {
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id: true,
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matchingRunAt: true,
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},
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});
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if (!event) {
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return res.status(404).json({
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success: false,
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error: 'Event not found',
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});
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}
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// Get user's suggestions
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const suggestions = await matchingService.getUserSuggestions(event.id, userId);
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res.json({
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success: true,
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data: {
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matchingRunAt: event.matchingRunAt,
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...suggestions,
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},
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});
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} catch (error) {
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next(error);
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}
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});
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// PUT /api/events/:slug/match-suggestions/:suggestionId/status - Accept/reject suggestion
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router.put('/:slug/match-suggestions/:suggestionId/status', authenticate, async (req, res, next) => {
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try {
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const { slug, suggestionId } = req.params;
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const userId = req.user.id;
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const { status } = req.body;
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if (!['accepted', 'rejected'].includes(status)) {
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return res.status(400).json({
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success: false,
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error: 'Status must be "accepted" or "rejected"',
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});
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}
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// Find event
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const event = await prisma.event.findUnique({
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where: { slug },
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select: { id: true },
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});
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if (!event) {
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return res.status(404).json({
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success: false,
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error: 'Event not found',
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});
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}
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// Find suggestion
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const suggestion = await prisma.recordingSuggestion.findUnique({
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where: { id: parseInt(suggestionId) },
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include: {
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heat: {
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select: { userId: true },
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},
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},
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});
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if (!suggestion || suggestion.eventId !== event.id) {
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return res.status(404).json({
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success: false,
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error: 'Suggestion not found',
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});
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}
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// Check authorization: only dancer or recorder can update status
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const isDancer = suggestion.heat.userId === userId;
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const isRecorder = suggestion.recorderId === userId;
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if (!isDancer && !isRecorder) {
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return res.status(403).json({
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success: false,
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error: 'You are not authorized to update this suggestion',
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});
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}
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// Update status
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const updated = await prisma.recordingSuggestion.update({
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where: { id: parseInt(suggestionId) },
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data: { status },
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select: {
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id: true,
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status: true,
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updatedAt: true,
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},
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});
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res.json({
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success: true,
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data: updated,
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});
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} catch (error) {
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next(error);
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}
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});
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module.exports = router;
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