Files
old-psihologija/services/doorLock.js
2019-05-31 05:42:50 +02:00

135 lines
5.7 KiB
JavaScript

'use strict';
const db = require('../models/index');
const fs = require('fs');
const csv = require('csv-parser');
const {
USER_ENTRY_EVENT,
ENABLE_PASSAGE_MODE,
DISABLE_PASSAGE_MODE,
USER_UNLOCKED_DOOR,
USER_LOCKED_DOOR,
VALID_CSV_HEADERS,
csvParserErrors,
} = require('../constants/constants');
const { fetchAllMembers, findMember } = require('../services/officeRnD/members');
const parseDoorLockDataFile = (file) => {
return new Promise ((resolve, reject) => {
const results = [];
const errors = [];
const unknownMembers = [];
let isValidFile = true;
fetchAllMembers()
.then(() => {
fs.createReadStream(file.path)
.pipe(csv({
mapHeaders: ({ header, index }) => header.trim().toLowerCase(),
mapValues: ({ header, index, value }) => value.trim()
}))
.on('headers', (headers) => {
headers.forEach((header) => {
if (!VALID_CSV_HEADERS.includes(header.trim())){
isValidFile = false;
console.log('INVALID HEADER');
errors.push({
error: csvParserErrors.UNKNOWN_COLUMN,
details: header,
file: file.name,
});
}
});
})
.on('data', (data) => {
if (!isValidFile) {
return;
}
const eventType = data.event.trim();
if ([USER_ENTRY_EVENT, ENABLE_PASSAGE_MODE, DISABLE_PASSAGE_MODE].includes(eventType)){
results.push(data);
}
})
.on('end', () => {
const parsedData = [];
let i = 0;
while (i < results.length){
//Verify pair
//First entry should be user entry and second should be enable / disable passage
const firstEntry = results[i];
const secondEntry = results[i+1];
if (firstEntry && (firstEntry.event === USER_ENTRY_EVENT)){
if (secondEntry && (secondEntry.event === ENABLE_PASSAGE_MODE || secondEntry.event === DISABLE_PASSAGE_MODE)){
const event = (secondEntry.event === ENABLE_PASSAGE_MODE) ? USER_UNLOCKED_DOOR : USER_LOCKED_DOOR;
const memberObject = findMember(firstEntry.name);
//Verify that member is registered in OfficeRnD system
if (memberObject){
const entryData = {
memberName: firstEntry.name,
memberNumber: firstEntry['user no'],
memberId: memberObject.memberId,
date: firstEntry.date,
time: firstEntry.time,
event,
};
parsedData.push(entryData);
} else {
//Check if member is already labeled as unknown
const unknownMember = unknownMembers.find((member) => member.details === firstEntry.name);
if (!unknownMember){
unknownMembers.push({
error: csvParserErrors.UNKNOWN_MEMBER,
details: firstEntry.name,
file: file.name,
});
}
}
i+=2;
} else {
errors.push({
error: csvParserErrors.INVALID_ENTRY_EXPECTED_PASSAGE_MODE,
details: secondEntry || 'Last row in file',
file: file.name,
});
i+=1;
}
} else {
errors.push({
error: csvParserErrors.INVALID_ENTRY_EXPECTED_USER,
details: firstEntry,
file: file.name,
});
i+=1;
}
}
resolve({
parsedData,
unknownMembers,
errors
});
});
})
.catch((error) => {
reject(error);
});
});
};
const writeDoorLockEvent = (entry) => {
db.doorLockEvent.findOrCreate({where: {...entry}, defaults: {...entry}})
.then()
.catch();
};
module.exports = {
parseDoorLockDataFile,
writeDoorLockEvent,
};