feat: add checkInBox

modules/worker/back/methods/worker-time-control-mail/checkInbox.js

@@ -0,0 +1,181 @@
+const Imap = require('imap');
+module.exports = Self => {
+    Self.remoteMethod('checkInbox', {
+        description: 'Check an email inbox and process it',
+        accessType: 'READ',
+        returns:
+            {
+                arg: 'body',
+                type: 'file',
+                root: true
+            },
+        http: {
+            path: `/checkInbox`,
+            verb: 'POST'
+        }
+    });
+
+    Self.checkInbox = async() => {
+        let imapConfig = await Self.app.models.WorkerTimeControlParams.findOne();
+        let imap = new Imap({
+            user: imapConfig.mailUser,
+            password: imapConfig.mailPass,
+            host: imapConfig.mailHost,
+            port: 993,
+            tls: true
+        });
+        let isEmailOk;
+        let uid;
+        let emailBody;
+
+        function openInbox(cb) {
+            imap.openBox('INBOX', true, cb);
+        }
+
+        imap.once('ready', function() {
+            openInbox(function(err, box) {
+                if (err) throw err;
+                const totalMessages = box.messages.total;
+                if (totalMessages == 0)
+                    imap.end();
+
+                let f = imap.seq.fetch('1:*', {
+                    bodies: ['HEADER.FIELDS (FROM SUBJECT)', '1'],
+                    struct: true
+                });
+                f.on('message', function(msg, seqno) {
+                    isEmailOk = false;
+                    msg.on('body', function(stream, info) {
+                        let buffer = '';
+                        let bufferCopy = '';
+                        stream.on('data', function(chunk) {
+                            buffer = chunk.toString('utf8');
+                            if (info.which === '1' && bufferCopy.length == 0)
+                                bufferCopy = buffer.replace(/\s/g, ' ');
+                        });
+                        stream.on('end', function() {
+                            if (bufferCopy.length > 0) {
+                                emailBody = bufferCopy.toUpperCase().trim();
+
+                                const bodyPositionOK = emailBody.match(/\bOK\b/i);
+                                if (bodyPositionOK != null && (bodyPositionOK.index == 0 || bodyPositionOK.index == 122))
+                                    isEmailOk = true;
+                                else
+                                    isEmailOk = false;
+                            }
+                        });
+                        msg.once('attributes', function(attrs) {
+                            uid = attrs.uid;
+                        });
+                        msg.once('end', function() {
+                            if (info.which === 'HEADER.FIELDS (FROM SUBJECT)') {
+                                if (isEmailOk) {
+                                    imap.move(uid, 'exito', function(err) {
+                                    });
+                                    emailConfirm(buffer);
+                                } else {
+                                    imap.move(uid, 'error', function(err) {
+                                    });
+                                    emailReply(buffer, emailBody);
+                                }
+                            }
+                        });
+                    });
+                });
+                f.once('end', function() {
+                    imap.end();
+                });
+            });
+        });
+
+        imap.connect();
+        return 'Leer emails de gestion horaria';
+    };
+
+    async function emailConfirm(buffer) {
+        const now = new Date();
+        const from = JSON.stringify(Imap.parseHeader(buffer).from);
+        const subject = JSON.stringify(Imap.parseHeader(buffer).subject);
+
+        const timeControlDate = await getEmailDate(subject);
+        const week = timeControlDate[0];
+        const year = timeControlDate[1];
+        const user = await getUser(from);
+        let workerMail;
+
+        if (user.id != null) {
+            workerMail = await Self.app.models.WorkerTimeControlMail.findOne({
+                where: {
+                    week: week,
+                    year: year,
+                    workerFk: user.id
+                }
+            });
+        }
+        if (workerMail != null) {
+            await workerMail.updateAttributes({
+                updated: now,
+                state: 'CONFIRMED'
+            });
+        }
+    }
+
+    async function emailReply(buffer, emailBody) {
+        const now = new Date();
+        const from = JSON.stringify(Imap.parseHeader(buffer).from);
+        const subject = JSON.stringify(Imap.parseHeader(buffer).subject);
+
+        const timeControlDate = await getEmailDate(subject);
+        const week = timeControlDate[0];
+        const year = timeControlDate[1];
+        const user = await getUser(from);
+        let workerMail;
+
+        if (user.id != null) {
+            workerMail = await Self.app.models.WorkerTimeControlMail.findOne({
+                where: {
+                    week: week,
+                    year: year,
+                    workerFk: user.id
+                }
+            });
+
+            if (workerMail != null) {
+                await workerMail.updateAttributes({
+                    updated: now,
+                    state: 'REVISE',
+                    reason: emailBody
+                });
+            } else
+                await sendMail(user, subject, emailBody);
+        }
+    }
+
+    async function getUser(workerEmail) {
+        const userEmail = workerEmail.match(/(?<=<)(.*?)(?=>)/);
+
+        let [user] = await Self.rawSql(`SELECT u.id,u.name FROM account.user u
+                                            LEFT JOIN account.mailForward m on m.account = u.id
+                                            WHERE forwardTo =? OR
+                                                CONCAT(u.name,'@verdnatura.es') = ?`,
+        [userEmail[0], userEmail[0]]);
+
+        return user;
+    }
+
+    async function getEmailDate(subject) {
+        const date = subject.match(/\d+/g);
+        return date;
+    }
+
+    async function sendMail(user, subject, emailBody) {
+        const sendTo = 'rrhh@verdnatura.es';
+        const emailSubject = subject + ' ' + user.name;
+
+        await Self.app.models.Mail.create({
+            receiver: sendTo,
+            subject: emailSubject,
+            body: emailBody
+        });
+    }
+};

modules/worker/back/models/worker-time-control-mail.js

@@ -0,0 +1,3 @@
+module.exports = Self => {
+    require('../methods/worker-time-control-mail/checkInbox')(Self);
+};