45 lines
2.2 KiB
JavaScript
45 lines
2.2 KiB
JavaScript
const commendation = require("../models/commendation");
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const user = require("../models/user");
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module.exports.saveCommendation = async (req, res) => {
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try{
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const {commenderId, commendedId, score} = req.body;
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if(!commenderId) return res.type('json').status(400).send("Commender id was not provided.");
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if(!commendedId) return res.type('json').status(400).send("Commended id was not provided.");
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if(!score) return res.type('json').status(400).send("Score was not provided.");
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if(score <= 0 || score > 10) return res.type('json').status(400).send("Score must be >= 1 and <= 10");
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// Make sure the person is not commending again
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let foundCommendation = await commendation.findOne({$and: [{commendedId:commendedId}, {commenderId:commenderId}]}).exec();
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if(foundCommendation) return res.type('json').status(400).send("You have already commended this user.");
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// Compute average reputation of commended person
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let totalReputation = score, totalNumOfCommends = 1, newReputation = 0;
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const cursor = commendation.find({commendedId:commendedId}).cursor();
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for (let commendation = await cursor.next(); commendation != null; commendation = await cursor.next()) {
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totalReputation += commendation.score;
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totalNumOfCommends += 1;
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}
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newReputation = Math.round(totalReputation/totalNumOfCommends);
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// Save New Commendation
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await new commendation({
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commendedId: commendedId,
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commenderId: commenderId,
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score: score
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}).save();
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// Update users reputation
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const updatedUser = await user.findOneAndUpdate({_id: commendedId},
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{reputation:newReputation},
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{returnOriginal: false});
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if(!updatedUser) return res.type('json').status(400).send("Commended user reputation could not be updated.");
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return res.type('json').status(200).send();
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}catch(err) {
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return res.type('json').status(500).send(err.toString());
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}
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}; |