backend/middlewares/validateParticipantID.js

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const Participant = require('../api/models/participantModel');
async function validateParticipantID(req, res, next) {
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const { id } = req.params;
try {
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const participant = await Participant.getParticipantById(id);
if (typeof participant == 'undefined') {
res.status(404).json({
message: `Participant with id ${id} doesn't exist.`,
});
} else {
next();
}
} catch (error) {
res.status(500).json({
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message: `Failed to get participant with id ${id}`,
error,
});
}
}
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exports.validateParticipantID = validateParticipantID;