opt-cc/api/routes/awardings.js

133 lines
5.0 KiB
JavaScript

'use strict';
// modules
const express = require('express');
// HTTP status codes by name
const codes = require('./http-codes');
const routerHandling = require('../middleware/router-handling');
const apiAuthenticationMiddleware = require('../middleware/auth-middleware');
const checkHl = require('../middleware/permission-check').checkHl;
// Mongoose Model using mongoDB
const AwardingModel = require('../models/awarding');
// result set for proposer(appUser) population
const resultSet = {
'__v': 0, 'updatedAt': 0, 'timestamp': 0, 'password': 0, 'permission': 0, 'secret': 0, 'activated': 0,
};
const awarding = new express.Router();
// routes **********************
awarding.route('/')
.get((req, res, next) => {
const filter = {};
if (req.query.userId) {
filter.userId = req.query.userId;
}
if (req.query.inProgress) {
filter.confirmed = 0;
}
AwardingModel.find(filter, {}, {sort: {date: 'desc'}})
.populate('decorationId').populate('proposer', resultSet).populate('userId')
.exec((err, items) => {
if (err) {
err.status = codes.servererror;
return next(err);
// with return before (or after) the next(err) we prevent that the code continues here
// after next(err) has finished. this saves an extra else {..}
}
let results = [];
if (req.query.fractFilter) {
for (let item of items) {
if (item.decorationId.fraction === req.query.fractFilter) {
results.push(item);
}
}
res.locals.items = results;
} else {
res.locals.items = items;
}
res.locals.processed = true;
next();
});
})
.post(apiAuthenticationMiddleware, checkHl, (req, res, next) => {
const award = new AwardingModel(req.body);
award.confirmed = 1;
award.proposer = req.user._id;
// timestamp and default are set automatically by Mongoose Schema Validation
award.save((err) => {
if (err) {
err.status = codes.wrongrequest;
err.message += ' in fields: ' + Object.getOwnPropertyNames(err.errors);
return next(err);
}
res.status(codes.created);
res.locals.items = award;
next();
});
})
.all(routerHandling.httpMethodNotAllowed);
awarding.route('/:id')
.patch(apiAuthenticationMiddleware, checkHl, (req, res, next) => {
if (!req.body || (req.body._id && req.body._id !== req.params.id)) {
// little bit different as in PUT. :id does not need to be in data, but if the _id and url id must match
const err = new Error('id of PATCH resource and send JSON body are not equal ' + req.params.id + ' ' +
req.body._id);
err.status = codes.notfound;
next(err);
return; // prevent node to process this function further after next() has finished.
}
req.body.updatedAt = new Date();
req.body.$inc = {__v: 1};
// PATCH is easier with mongoose than PUT. You simply update by all data that comes from outside. no need to
// reset attributes that are missing.
AwardingModel.findByIdAndUpdate(req.params.id, req.body, {new: true}, (err, item) => {
if (err) {
err.status = codes.wrongrequest;
} else if (!item) {
err = new Error('item not found');
err.status = codes.notfound;
} else {
res.locals.items = item;
}
next(err);
});
})
.delete(apiAuthenticationMiddleware, checkHl, (req, res, next) => {
AwardingModel.findByIdAndRemove(req.params.id, (err, item) => {
if (err) {
err.status = codes.wrongrequest;
} else if (!item) {
err = new Error('item not found');
err.status = codes.notfound;
}
// we don't set res.locals.items and thus it will send a 204 (no content) at the end. see last handler
// user.use(..)
res.locals.processed = true;
next(err); // this works because err is in normal case undefined and that is the same as no parameter
});
})
.all(routerHandling.httpMethodNotAllowed);
// this middleware function can be used, if you like or remove it
// it looks for object(s) in res.locals.items and if they exist, they are send to the client as json
awarding.use(routerHandling.emptyResponse);
module.exports = awarding;