opt-cc/api/routes/wars.js

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"use strict";
// modules
const fs = require('fs');
const mkdirp = require("mkdirp");
const {exec} = require('child_process');
const express = require('express');
const multer = require('multer');
const storage = multer.memoryStorage();
const upload = multer({storage: storage});
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const logger = require('debug')('cc:wars');
// HTTP status codes by name
const codes = require('./http-codes');
const apiAuthenticationMiddleware = require('../middleware/auth-middleware');
const checkMT = require('../middleware/permission-check').checkMT;
const routerHandling = require('../middleware/router-handling');
// Mongoose Model using mongoDB
const WarModel = require('../models/war');
const PlayerModel = require('../models/player');
const wars = express.Router();
// routes **********************
wars.route('/')
.get((req, res, next) => {
const filter = {};
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WarModel.find(filter, {}, {sort: {date: 'desc'}}, (err, items) => {
if (err) {
err.status = codes.servererror;
return next(err);
}
if (items) {
res.locals.items = items;
} else {
res.locals.items = [];
}
res.locals.processed = true;
next();
});
})
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.post(apiAuthenticationMiddleware, checkMT, upload.single('log'), (req, res, next) => {
let body = req.body;
let parts = body.date.split("-");
body.date = new Date(parseInt(parts[0], 10),
parseInt(parts[1], 10) - 1,
parseInt(parts[2], 10));
const war = new WarModel(body);
if (req.file) {
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war.save((err, war) => {
if (err) {
return next(err);
}
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const folderName = __dirname + '/../resource/logs/' + war._id;
mkdirp(folderName, function (err) {
if (err) {
return next(err);
}
fs.appendFile(folderName + '/war.log', new Buffer(req.file.buffer), (err) => {
if (err) {
return next(err);
}
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//TODO: combine run and clean in one script, so log file gets touched only once
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exec(__dirname + '/../war-parser/run.sh ' + folderName + ' ' + war._id, (error, stdout) => {
if (error) {
return next(error);
}
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exec(__dirname + '/../war-parser/clean.sh /../' + folderName + ' | tee ' + folderName + '/clean.log', (error) => {
if (error) {
return next(error);
}
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let obj = JSON.parse(`${stdout}`);
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for (let i = 0; i < obj.length; i++) {
if (obj[i].fraction === 'BLUFOR') {
war.playersBlufor++;
} else {
war.playersOpfor++;
}
}
WarModel.findByIdAndUpdate(war._id, war, {new: true}, (err, item) => {
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if (err) {
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err.status = codes.wrongrequest;
}
else if (!item) {
err = new Error("item not found");
err.status = codes.notfound;
}
else {
PlayerModel.create(obj, function (err) {
if (err) {
return next(err);
}
res.status(codes.created);
res.locals.items = war;
return next();
});
}
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})
});
});
});
});
})
} else {
const err = new Error('no Logfile provided');
err.status = codes.wrongmediasend;
next(err);
}
})
.all(
routerHandling.httpMethodNotAllowed
);
wars.route('/:id')
.get((req, res, next) => {
WarModel.findById(req.params.id, (err, item) => {
if (err) {
err.status = codes.servererror;
return next(err);
}
else if (!item) {
err = new Error("item not found");
err.status = codes.notfound;
return next(err);
}
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PlayerModel.find({warId: item._id}, (err, items) => {
if (err) {
return next(err);
}
const responseObj = item.toObject();
responseObj.players = items;
res.locals.items = responseObj;
return next();
});
});
})
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.delete(apiAuthenticationMiddleware, checkMT, (req, res, next) => {
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WarModel.findByIdAndRemove(req.params.id, (err, item) => {
if (err) {
err.status = codes.wrongrequest;
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return next(err);
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}
else if (!item) {
err = new Error("item not found");
err.status = codes.notfound;
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return next(err);
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}
// delete players having this war ID as foreign key
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PlayerModel.find({warId: item._id}).remove().exec();
// check if logfiles exist and delete from fs
const warDir = __dirname + '/../resource/logs/' + req.params.id;
if (fs.existsSync(warDir)) {
const cleanLog = warDir + '/clean.log';
if (fs.existsSync(cleanLog)) {
fs.unlink(cleanLog, (err) => {
});
}
const sourceLog = warDir + '/war.log';
if (fs.existsSync(sourceLog)) {
fs.unlink(sourceLog, (err) => {
});
}
fs.rmdir(warDir, (err) => {
});
}
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// 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;
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next();
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})
})
.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
wars.use(routerHandling.emptyResponse);
module.exports = wars;