Nextrek
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const fs = require('fs'); const sharp = require('sharp'); const CHAT = Symbol.for("My.App.Namespace.chat"); var globalSymbols = Object.getOwnPropertySymbols(global); var hasChat = (globalSymbols.indexOf(CHAT) > -1); if (!hasChat) { global[CHAT] = { ROLES: { OPERATOR: 'OPERATOR', CUSTOMER: 'CUSTOMER' }, DEFAULT_ROOMS: { OPERATORS: 'OPERATORS' }, EVENTS: { CONNECTION: { OPEN: 'CONNECTION:OPEN', CLOSE: 'CONNECTION:CLOSE' }, ROOM: { CREATED: 'ROOM:CREATED', JOIN: 'ROOM:JOIN', LEAVE: 'ROOM:LEAVE' }, SEND: { MESSAGE: 'SEND:MESSAGE', IMAGE: 'SEND:IMAGE', ATTACHMENT: 'SEND:FILE', LINK: 'SEND:LINK' }, OPERATORS: { LIST: { UPDATE: 'OPERATORS:LIST:UPDATE' } }, CUSTOMERS: { LIST: { UPDATE: 'CUSTOMERS:LIST:UPDATE' } }, ROOMS: { LIST: { UPDATE: 'ROOMS:LIST:UPDATE' } } }, ERRORS: { USER: { NOT_FOUND: 'ERROR:USER:NOTFOUND' } }, users: [], rooms: { CUSTOMER: {}, OPERATOR: {} }, isRoomAllowed(from, to) { if (from.role === _this.ROLES.OPERATOR) { } }, usersMap: {}, getUser(id) { const user = this.usersMap[id]; return { id: user.id, name: user.name } }, createUser(name, role, id) { const _this = this; const user = { name: name, role: role, room: id, } this.addUser(user); return user; }, addUser(user) { this.usersMap[user.room] = user; this.users.push(user); this.rooms[user.role][user.room] = []; }, deleteUser(user) { this.users.splice(this.users.indexOf(user), 1); delete this.usersMap[user.room]; }, getUsersByRole(role) { return this.users.filter((user) => { return user.role === role }); }, countUsersByRole(role) { this.getUsersByRole(role).length }, isUserInRoom(owner, guest) { return this.rooms[owner.role][owner.room].indexOf(guest) > - 1; }, joinOwnerRoom(owner, user) { if (user && user.role === this.ROLES.OPERATOR) { if (!this.isUserInRoom(owner, user) && !this.isUserInRoom(user, owner)) { this.rooms[owner.role][owner.room].push(user); return owner.room; } else { return this.rooms[owner.role][owner.room] ? owner.room : user.room; } } }, storeImage(data, user) { return new Promise((resolve, reject) => { const matchExtension = /^data:image\/(\w+)/i.exec(data.content); if (matchExtension === null) { reject('Invalid data type'); } const extension = matchExtension[1]; const filename = `${user.room}_${Date.now()}.${extension}`; console.log('user ' + user.room + ' saving file name: ' + filename); const dir = `./public/imagesFull/${user.room}`; const dir2 = `./public/imagesThumb/${user.room}`; if (!fs.existsSync(dir)){ fs.mkdirSync(dir); } if (!fs.existsSync(dir2)){ fs.mkdirSync(dir2); } const base64Data = data.content.replace(/^data:image\/\w+;base64,/, ''); fs.writeFile(dir +"/"+filename, base64Data, 'base64', function(err) { console.log(err); }); let imgBuffer = Buffer.from(base64Data, 'base64'); sharp(imgBuffer) .resize(160, 120) .toFile(dir2 + "/" + filename, (err, info) => { resolve(filename); }); }) }, event(type, data) { return { type, data, ts: Date.now() } }, message(data, room, from) { return new Promise((resolve, reject) => { switch (data.contentType) { case 'IMAGE': this.storeImage(data, from) .then(filename => { resolve({ from, room: room, content: filename, contentType: data.contentType }); }) .catch(error => { data.content = error; }); break; default: resolve({ from, room: room, content: data.content, contentType: data.contentType }); break; } }); } }; } var singleton = {}; Object.defineProperty(singleton, "instance", { get: function () { return global[CHAT]; } }); Object.freeze(singleton); module.exports = singleton; |
Commits for Nextrek/socketIO/chat.js
Revision | Author | Commited | Message |
---|---|---|---|
1127 Diff | GGentile | Wed 09 Jan, 2019 13:47:30 +0000 | send image |
1126 Diff | GGentile | Fri 04 Jan, 2019 14:09:04 +0000 | |
1125 Diff | GGentile | Fri 04 Jan, 2019 11:31:52 +0000 | event ROOM:CREATED |
1124 Diff | GGentile | Fri 04 Jan, 2019 11:20:58 +0000 | |
1123 Diff | GGentile | Fri 04 Jan, 2019 00:19:22 +0000 | |
1121 Diff | GGentile | Wed 02 Jan, 2019 13:10:03 +0000 | chat singleton |
1120 Diff | GGentile | Tue 04 Dec, 2018 10:31:37 +0000 | |
1119 | GGentile | Mon 03 Dec, 2018 23:13:28 +0000 |