Merge pull request #7 from Trivernis/develop

Develop

.gitignore

@@ -4,3 +4,5 @@ node_modules
 scripts/*
 tmp
 config.yaml
+sessions
+sessions-journal

CHANGELOG.md

@@ -6,7 +6,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+
 ### Added
 
 - CHANGELOG.md Changelog
 - content to the README.md
+- Chat to the bingo game (renderd with markdown-it)
+- Postgres session storage
+- sql-file directory `sql`
+
+
+## Changed
+
+- changed export of `app.js` to the asynchronous init function that returns the app object
+- `bin/www` now calls the init function of `app.js`
+
+### Removed
+
+- sqlite3 sesssion storage
+
+### Fixed
+
+- mobile layout

app.js

@@ -5,6 +5,8 @@ const createError = require('http-errors'),
       logger = require('morgan'),
       compileSass = require('express-compile-sass'),
       session = require('express-session'),
+      pg = require('pg'),
+      pgSession = require('connect-pg-simple')(session),
       fsx = require('fs-extra'),
       yaml = require('js-yaml'),
       graphqlHTTP = require('express-graphql'),
@@ -21,68 +23,86 @@ let settings = yaml.safeLoad(fsx.readFileSync('default-config.yaml'));
 if (fsx.existsSync('config.yaml'))
   Object.assign(settings, yaml.safeLoad(fsx.readFileSync('config.yaml')));
 
-let graphqlResolver = (request, response) => {
-  return {
+async function init() {
+  // grapql default resolver
+  let graphqlResolver = (request, response) => {
+    return {
       time: Date.now(),
       bingo:  bingoRouter.graphqlResolver(request, response)
-  }
-};
-let app = express();
+    }
+  };
+  // database setup
+  let pgPool = new pg.Pool({
+    host: settings.postgres.host,
+    port: settings.postgres.port,
+    user: settings.postgres.user,
+    password: settings.postgres.password,
+    database: settings.postgres.database
+  });
+  await pgPool.query(fsx.readFileSync('./sql/createSessionTable.sql', 'utf-8'));
 
-// view engine setup
-app.set('views', path.join(__dirname, 'views'));
-app.set('view engine', 'pug');
-app.set('trust proxy', 1);
+  let app = express();
 
-app.use(logger('dev'));
-app.use(express.json());
-app.use(express.urlencoded({ extended: false }));
-app.use(cookieParser());
-app.use(session({
-  secret: settings.sessions.secret,
-  resave: false,
-  saveUninitialized: true,
-  cookie: {
-    expires: 10000000
-  }
-}));
-app.use('/sass', compileSass({
-  root: './public/stylesheets/sass',
-  sourceMap: true,
-  watchFiles: true,
-  logToConsole: true
-}));
-app.use(express.static(path.join(__dirname, 'public')));
+  // view engine setup
+  app.set('views', path.join(__dirname, 'views'));
+  app.set('view engine', 'pug');
+  app.set('trust proxy', 1);
 
-app.use('/', indexRouter);
-app.use('/users', usersRouter);
-app.use(/\/riddle(\/.*)?/, riddleRouter);
-app.use('/bingo', bingoRouter);
-app.use('/graphql', graphqlHTTP((request, response) => {
-  return {
-    schema: buildSchema(importSchema('./graphql/schema.graphql')),
-    rootValue: graphqlResolver(request, response),
-    context: {session: request.session},
-    graphiql: true
-  };
-}));
+  app.use(logger('dev'));
+  app.use(express.json());
+  app.use(express.urlencoded({ extended: false }));
+  app.use(cookieParser());
+  app.use(session({
+    store: new pgSession({
+      pool: pgPool,
+      tableName: 'user_sessions'
+    }),
+    secret: settings.sessions.secret,
+    resave: false,
+    saveUninitialized: true,
+    cookie: {
+      maxAge: 30 * 24 * 60 * 60 * 1000  // maxAge 30 days
+    }
+  }));
+  app.use('/sass', compileSass({
+    root: './public/stylesheets/sass',
+    sourceMap: true,
+    watchFiles: true,
+    logToConsole: true
+  }));
+  app.use(express.static(path.join(__dirname, 'public')));
+
+  app.use('/', indexRouter);
+  app.use('/users', usersRouter);
+  app.use(/\/riddle(\/.*)?/, riddleRouter);
+  app.use('/bingo', bingoRouter);
+  app.use('/graphql', graphqlHTTP((request, response) => {
+    return {
+      schema: buildSchema(importSchema('./graphql/schema.graphql')),
+      rootValue: graphqlResolver(request, response),
+      context: {session: request.session},
+      graphiql: true
+    };
+  }));
 
 // catch 404 and forward to error handler
-app.use(function(req, res, next) {
-  next(createError(404));
-});
+  app.use(function(req, res, next) {
+    next(createError(404));
+  });
 
 // error handler
-app.use(function(err, req, res, next) {
-  // set locals, only providing error in development
-  res.locals.message = err.message;
-  res.locals.error = req.app.get('env') === 'development' ? err : {};
+  app.use(function(err, req, res, next) {
+    // set locals, only providing error in development
+    res.locals.message = err.message;
+    res.locals.error = req.app.get('env') === 'development' ? err : {};
 
-  // render the error page
-  res.status(err.status || 500);
-  res.render('error');
-});
+    // render the error page
+    res.status(err.status || 500);
+    res.render('error');
+  });
+  return app;
+}
 
-module.exports = app;
+module.exports = init;
 
 //app.listen(settings.port);

bin/www

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-const app = require('../app');
+const appInit = require('../app');
 const debug = require('debug')('whooshy:server');
 const http = require('http');
 const yaml = require('js-yaml');
@@ -26,25 +26,31 @@ try {
  */
 
 let port = normalizePort(process.env.PORT || settings.port || '3000');
-app.set('port', port);
 
-/**
- * Create HTTP server.
- */
+appInit().then((app) => {
+  app.set('port', port);
 
-let server = http.createServer(app);
+  /**
+   * Create HTTP server.
+   */
 
-/**
- * Listen on provided port, on all network interfaces.
- */
+  let server = http.createServer(app);
 
-server.listen(port);
-server.on('error', onError);
-server.on('listening', onListening);
+  /**
+   * Listen on provided port, on all network interfaces.
+   */
 
-/**
- * Normalize a port into a number, string, or false.
- */
+  server.listen(port);
+  server.on('error', (error) => onError(error, server));
+  server.on('listening', () => onListening(server));
+
+  /**
+   * Normalize a port into a number, string, or false.
+   */
+}).catch((err) => {
+  console.error(err.message);
+  console.error(err.stack);
+});
 
 function normalizePort(val) {
   let port = parseInt(val, 10);
@@ -66,7 +72,7 @@ function normalizePort(val) {
  * Event listener for HTTP server "error" event.
  */
 
-function onError(error) {
+function onError(error, server) {
   if (error.syscall !== 'listen') {
     throw error;
   }
@@ -94,7 +100,7 @@ function onError(error) {
  * Event listener for HTTP server "listening" event.
  */
 
-function onListening() {
+function onListening(server) {
   let addr = server.address();
   let bind = typeof addr === 'string'
     ? 'pipe ' + addr

default-config.yaml

@@ -3,3 +3,10 @@ sessions:
   maxAge: 1000000
 
 port: 3000
+
+postgres:
+  host: localhost
+  port: 5432
+  user: whooshy
+  password: whooshypassword
+  database: whooshy

graphql/bingo.graphql

@@ -10,10 +10,13 @@ type BingoMutation {
     toggleWord(input: WordInput!): BingoGrid
 
     # set the username of the current session
-    setUsername(input: UsernameInput): BingoUser
+    setUsername(input: UsernameInput!): BingoUser
 
     # recreates the active game to a follow-up
     createFollowupGame: BingoGame
+
+    # sends a message to the current sessions chat
+    sendChatMessage(input: MessageInput!): ChatMessage
 }
 
 type BingoQuery {
@@ -28,36 +31,6 @@ type BingoQuery {
     activeGrid: BingoGrid
 }
 
-input CreateGameInput {
-
-    # the words used to fill the bingo grid
-    words: [String!]!
-
-    # the size of the bingo grid
-    size: Int! = 3
-}
-
-input WordInput {
-
-    # the normal word string
-    word: String
-
-    # the base64-encoded word
-    base64Word: String
-}
-
-input UsernameInput {
-
-    # the username string
-    username: String!
-}
-
-input IdInput {
-
-    # the id
-    id: ID!
-}
-
 type BingoGame {
 
     # the id of the bingo game
@@ -80,6 +53,9 @@ type BingoGame {
 
     # the id of the followup game if it has been created
     followup: ID
+
+    # Returns the last n chat-messages
+    getMessages(input: MessageQueryInput): [ChatMessage!]
 }
 
 type BingoUser {
@@ -117,3 +93,83 @@ type BingoField {
     # the base64 encoded word
     base64Word: String
 }
+
+type ChatMessage {
+
+    # the id of the message
+    id: ID!
+
+    # the content of the message
+    content: String!
+
+    # the content of the message rendered by markdown-it
+    htmlContent: String
+
+    # the type of the message
+    type: MessageType!
+
+    # the username of the sender
+    username: String
+
+    # the time the message was send (in milliseconds)
+    datetime: String!
+}
+
+#             #
+# input Types #
+#             #
+
+input CreateGameInput {
+
+    # the words used to fill the bingo grid
+    words: [String!]!
+
+    # the size of the bingo grid
+    size: Int! = 3
+}
+
+input WordInput {
+
+    # the normal word string
+    word: String
+
+    # the base64-encoded word
+    base64Word: String
+}
+
+input UsernameInput {
+
+    # the username string
+    username: String!
+}
+
+input IdInput {
+
+    # the id
+    id: ID!
+}
+
+input MessageInput {
+
+    # the message
+    message: String!
+}
+
+input MessageQueryInput {
+
+    # search for a specific id
+    id: ID
+
+    # get the last n messages
+    last: Int = 10
+}
+
+#            #
+# enum Types #
+#            #
+
+enum MessageType {
+    USER
+    ERROR
+    INFO
+}

package-lock.json

@@ -176,6 +176,15 @@
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
+    "ascii2mathml": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/ascii2mathml/-/ascii2mathml-0.6.2.tgz",
+      "integrity": "sha512-tkPONh2Y7ZpuGQw6AiRnExX/CSYf5C2T/rF+UMJq5n0Us7+QjL8VY5ZE16xo9wcXhdqPkl/F7lzEzU9HX0YKng==",
+      "optional": true,
+      "requires": {
+        "minimist": "^1.2.0"
+      }
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -407,6 +416,11 @@
         }
       }
     },
+    "buffer-writer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
+      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw=="
+    },
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -591,6 +605,14 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
+    "connect-pg-simple": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/connect-pg-simple/-/connect-pg-simple-5.0.0.tgz",
+      "integrity": "sha512-WZ7xkN+qe5bbDLgZ1L9GxnSbr155cJHmfNRzVR5hBvqio7Pg/vuH7Cf8lPUSFClQjtybYSejUqyO54sYt4cg+w==",
+      "requires": {
+        "pg": "^7.4.3"
+      }
+    },
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
@@ -787,6 +809,11 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
+    "entities": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.2.tgz",
+      "integrity": "sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w=="
+    },
     "error-ex": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -2269,6 +2296,14 @@
         "invert-kv": "^1.0.0"
       }
     },
+    "linkify-it": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-2.1.0.tgz",
+      "integrity": "sha512-4REs8/062kV2DSHxNfq5183zrqXMl7WP0WzABH9IeJI+NLm429FgE1PDecltYfnOoFDFlZGh2T8PfZn0r+GTRg==",
+      "requires": {
+        "uc.micro": "^1.0.1"
+      }
+    },
     "load-json-file": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -2327,6 +2362,51 @@
         "object-visit": "^1.0.0"
       }
     },
+    "markdown-it": {
+      "version": "8.4.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-8.4.2.tgz",
+      "integrity": "sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==",
+      "requires": {
+        "argparse": "^1.0.7",
+        "entities": "~1.1.1",
+        "linkify-it": "^2.0.0",
+        "mdurl": "^1.0.1",
+        "uc.micro": "^1.0.5"
+      }
+    },
+    "markdown-it-emoji": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/markdown-it-emoji/-/markdown-it-emoji-1.4.0.tgz",
+      "integrity": "sha1-m+4OmpkKljupbfaYDE/dsF37Tcw="
+    },
+    "markdown-it-linkify-images": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/markdown-it-linkify-images/-/markdown-it-linkify-images-1.1.0.tgz",
+      "integrity": "sha1-xVedk4bXcgxUbPWD/glq3FmAyFk="
+    },
+    "markdown-it-mark": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/markdown-it-mark/-/markdown-it-mark-2.0.0.tgz",
+      "integrity": "sha1-RqGqlHEFrtgYiXjgoBYXnkBPQsc="
+    },
+    "markdown-it-math": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/markdown-it-math/-/markdown-it-math-4.1.1.tgz",
+      "integrity": "sha512-LQ0hREgMgN4tNcy2PGyw1XypjmKJjc+ZzATMuDIVD/Bagr5SGL198uHleVdiFDrNdXpqVmL4N1KD1GYyftMakQ==",
+      "requires": {
+        "ascii2mathml": "^0.6.2"
+      }
+    },
+    "markdown-it-smartarrows": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/markdown-it-smartarrows/-/markdown-it-smartarrows-1.0.1.tgz",
+      "integrity": "sha1-tXDpwP+YEuDbas4Zr6W6ErZLuac="
+    },
+    "mdurl": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
+      "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -2715,6 +2795,11 @@
         "os-tmpdir": "^1.0.0"
       }
     },
+    "packet-reader": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
+      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
+    },
     "parse-json": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
@@ -2776,6 +2861,62 @@
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "pg": {
+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-7.11.0.tgz",
+      "integrity": "sha512-YO4V7vCmEMGoF390LJaFaohWNKaA2ayoQOEZmiHVcAUF+YsRThpf/TaKCgSvsSE7cDm37Q/Cy3Gz41xiX/XjTw==",
+      "requires": {
+        "buffer-writer": "2.0.0",
+        "packet-reader": "1.0.0",
+        "pg-connection-string": "0.1.3",
+        "pg-pool": "^2.0.4",
+        "pg-types": "~2.0.0",
+        "pgpass": "1.x",
+        "semver": "4.3.2"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+          "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
+        }
+      }
+    },
+    "pg-connection-string": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-0.1.3.tgz",
+      "integrity": "sha1-2hhHsglA5C7hSSvq9l1J2RskXfc="
+    },
+    "pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
+    },
+    "pg-pool": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-2.0.6.tgz",
+      "integrity": "sha512-hod2zYQxM8Gt482q+qONGTYcg/qVcV32VHVPtktbBJs0us3Dj7xibISw0BAAXVMCzt8A/jhfJvpZaxUlqtqs0g=="
+    },
+    "pg-types": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.0.1.tgz",
+      "integrity": "sha512-b7y6QM1VF5nOeX9ukMQ0h8a9z89mojrBHXfJeSug4mhL0YpxNBm83ot2TROyoAmX/ZOX3UbwVO4EbH7i1ZZNiw==",
+      "requires": {
+        "pg-int8": "1.0.1",
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
+      }
+    },
+    "pgpass": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
+      "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
+      "requires": {
+        "split": "^1.0.0"
+      }
+    },
     "pify": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -2799,6 +2940,29 @@
       "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
+    "postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA=="
+    },
+    "postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+    },
+    "postgres-date": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.4.tgz",
+      "integrity": "sha512-bESRvKVuTrjoBluEcpv2346+6kgB7UlnqWZsnbnCccTNq/pqfj1j6oBaN5+b/NrDXepYUT/HKadqv3iS9lJuVA=="
+    },
+    "postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "requires": {
+        "xtend": "^4.0.0"
+      }
+    },
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
@@ -3485,6 +3649,14 @@
       "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
       "integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA=="
     },
+    "split": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
+      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
+      "requires": {
+        "through": "2"
+      }
+    },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
@@ -3638,6 +3810,11 @@
         "inherits": "2"
       }
     },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+    },
     "to-fast-properties": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
@@ -3742,6 +3919,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "uc.micro": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+      "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA=="
+    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",

package.json

@@ -6,6 +6,7 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
+    "connect-pg-simple": "^5.0.0",
     "cookie-parser": "1.4.4",
     "debug": "4.1.1",
     "express": "4.16.4",
@@ -17,8 +18,14 @@
     "graphql-import": "0.7.1",
     "http-errors": "1.7.2",
     "js-yaml": "latest",
+    "markdown-it": "^8.4.2",
+    "markdown-it-emoji": "^1.4.0",
+    "markdown-it-mark": "^2.0.0",
+    "markdown-it-math": "^4.1.1",
+    "markdown-it-smartarrows": "^1.0.1",
     "morgan": "1.9.1",
     "node-sass": "4.12.0",
+    "pg": "^7.11.0",
     "pug": "2.0.3"
   }
 }

public/javascripts/bingo-web.js

@@ -76,8 +76,9 @@ async function createFollowup() {
  */
 async function submitUsername() {
     let unameInput = document.querySelector('#username-input');
-    let username = unameInput.value;
-    let response = await postGraphqlQuery(`
+    let username = unameInput.value.replace(/^\s+|\s+$/g, '');
+    if (username.length > 1 && username !== 'anonymous') {
+        let response = await postGraphqlQuery(`
     mutation($username:String!) {
       bingo {
         setUsername(input: {username: $username}) {
@@ -86,16 +87,19 @@ async function submitUsername() {
         }
       }
     }`, {
-        username: username
-    },`/graphql?game=${getGameParam()}`);
-    if (response.status === 200) {
-        unameInput.value = '';
-        unameInput.placeholder = response.data.username;
-        document.querySelector('#username-form').remove();
-        document.querySelector('.greyover').remove();
+            username: username
+        },`/graphql?game=${getGameParam()}`);
+        if (response.status === 200) {
+            unameInput.value = '';
+            unameInput.placeholder = response.data.username;
+            document.querySelector('#username-form').remove();
+            document.querySelector('.greyover').remove();
+        } else {
+            showError(`Failed to submit username. HTTP Error: ${response.status}`);
+            console.error(response);
+        }
     } else {
-        showError(`Failed to submit username. HTTP Error: ${response.status}`);
-        console.error(response);
+        showError('You need to provide a username (minimum 2 characters)!');
     }
 }
 
@@ -187,6 +191,12 @@ async function refresh() {
             username
             id
           }
+          getMessages {
+            id
+            username
+            type
+            htmlContent
+          }
         }
       }
     }`, null, `/graphql?game=${getGameParam()}`);
@@ -213,6 +223,10 @@ async function refresh() {
                 }
             }
         }
+        for (let chatMessage of bingoSession.getMessages) {
+            if (!document.querySelector(`.chatMessage[msg-id='${chatMessage.id}'`))
+                addChatMessage(chatMessage);
+        }
     } else  {
         if (response.status === 400)
             clearInterval(refrInterval);
@@ -260,6 +274,52 @@ function showError(errorMessage) {
     }, 10000);
 }
 
+async function sendChatMessage() {
+    let messageInput = document.querySelector('#chat-input');
+    if (messageInput.value && messageInput.value.length > 0) {
+        let message = messageInput.value;
+        let response = await postGraphqlQuery(`
+        mutation($message: String!) {
+          bingo {
+            sendChatMessage(input: { message: $message }) {
+              id
+              htmlContent
+              username
+              type
+            }
+          }
+        }`,{message: message}, `/graphql?game=${getGameParam()}`);
+        if (response.status === 200) {
+            addChatMessage(response.data.bingo.sendChatMessage);
+            messageInput.value = '';
+        } else {
+            console.error(response);
+            showError('Error when sending message.');
+        }
+    }
+}
+
+/**
+ * Adds a message to the chat
+ * @param messageObject {Object} - the message object returned by graphql
+ */
+function addChatMessage(messageObject) {
+    let msgSpan = document.createElement('span');
+    msgSpan.setAttribute('class', 'chatMessage');
+    msgSpan.setAttribute('msg-id', messageObject.id);
+    if (messageObject.type === "USER") {
+        msgSpan.innerHTML = `
+        <span class="chatUsername">${messageObject.username}:</span>
+        <span class="chatMessageContent">${messageObject.htmlContent}</span>`;
+    } else {
+        msgSpan.innerHTML = `
+        <span class="chatMessageContent ${messageObject.type}">${messageObject.htmlContent}</span>`;
+    }
+    let chatContent = document.querySelector('#chat-content');
+    chatContent.appendChild(msgSpan);
+    chatContent.scrollTop = chatContent.scrollHeight;       // auto-scroll to bottom
+}
+
 /**
  * Executes the provided function if the key-event is an ENTER-key
  * @param event {Event} - the generated key event
@@ -270,12 +330,25 @@ function submitOnEnter(event, func) {
         func();
 }
 
+/**
+ * Toggles the displayChat class on the content container to switch between chat-view and grid view
+ */
+function toggleChatView() {
+    let contentContainer = document.querySelector('#content-container');
+    if (contentContainer.getAttribute('class') === 'displayChat')
+        contentContainer.setAttribute('class', '');
+    else
+        contentContainer.setAttribute('class', 'displayChat')
+}
+
 window.addEventListener("unhandledrejection", function(promiseRejectionEvent) {
     promiseRejectionEvent.promise.catch(err => console.log(err));
     showError('Connection problems... Is the server down?');
 });
 
 window.onload = () => {
+    if (document.querySelector('#chat-container'))
+        refresh();
     if (window && !document.querySelector('#bingoform')) {
         refrInterval = setInterval(refresh, 1000);      // global variable to clear
     }

public/stylesheets/sass/bingo/style.sass

@@ -21,19 +21,54 @@ textarea
     height: 80%
   #content-container
     grid-template-columns: 0 100% !important
-    grid-template-rows: 10% 80% 10% !important
-    #players-container div
-      display: none
+    grid-template-rows: 10% 40% 40% 10% !important
+
+    #players-container, #chat-container
+      display: none !important
       padding: 0
+
+    .errorDiv
+      grid-column-start: 1 !important
+      grid-column-end: 4 !important
+
+  #content-container.displayChat
+    grid-template-columns: 100% 0 !important
+    grid-template-rows: 0 25% 65% 10% !important
+
+    #players-container, #chat-container
+      display: block !important
+
+    #words-container
+      display: none !important
+
   #username-form
     width: calc(100% - 2rem) !important
     left: 0 !important
+
   #hide-player-container-button
     display: none
+
   .popup
     width: calc(100% - 2rem) !important
     left: 0 !important
 
+  #button-container
+    grid-column-start: 2 !important
+    grid-column-end: 3 !important
+
+  #chat-button-container
+    display: inline-block
+    grid-row-start: 4
+    grid-row-end: 4
+    grid-column-start: 1
+    grid-column-end: 4
+    overflow: hidden
+    margin: 0 0.5rem
+
+    button
+      width: 100%
+      margin: 0.5rem 0
+
 @media(min-device-width: 641px)
   textarea
     height: 80%
@@ -41,6 +76,8 @@ textarea
   #words-container
     width: 100%
     height: 100%
+  #chat-button-container
+    display: none
 
 .number-input
   width: 4rem
@@ -126,11 +163,14 @@ textarea
 
 #content-container
   display: grid
-  grid-template-columns: 20% 80%
-  grid-template-rows: 10% 80% 10%
+  grid-template-columns: 25% 75%
+  grid-template-rows: 10% 40% 40% 10%
   height: 100%
   width: 100%
 
+  div
+    overflow: auto
+
   #button-container
     grid-column-start: 1
     grid-column-end: 1
@@ -150,28 +190,74 @@ textarea
     grid-column-start: 1
     grid-column-end: 1
     grid-row-start: 2
-    grid-row-end: 2
+    grid-row-end: 3
 
     h1
       margin: 0 0 1rem 0
 
   #words-container
     grid-column-start: 2
-    grid-column-end: 2
+    grid-column-end: 3
     grid-row-start: 2
-    grid-row-end: 2
+    grid-row-end: 4
+
+  #chat-container
+    grid-column-start: 1
+    grid-column-end: 1
+    grid-row-start: 3
+    grid-row-end: 4
+    height: 100%
+    border: 1px solid $inactive
+    margin: 0 0.5rem
+    word-break: break-word
+
+    #chat-content
+      height: calc(100% - 2.5rem)
+      background-color: $primary
+      overflow: auto
+      font-size: 0.8em
+
+      .chatMessage
+        display: list-item
+        padding: 0.2rem
+
+        .chatUsername
+          color: $inactive
+
+        .ERROR
+          color: $error
+
+        .INFO
+          color: $inactive
+          font-style: italic
+
+        .chatMessageContent
+          img
+            width: 100%
+            height: auto
+            transition-duration: 0.5s
+            border-radius: 0.5em
+          img:hover
+            border-radius: 0
+
+    #chat-input
+      width: 100%
+      margin: 0 0 0 0
+      height: 2.5rem
+      border-radius: 0
 
   .errorDiv
     grid-column-start: 2
-    grid-column-end: 2
-    grid-row-start: 3
-    grid-row-end: 3
+    grid-column-end: 3
+    grid-row-start: 4
+    grid-row-end: 4
     background-color: $error
     text-align: center
     margin: 0.75rem 0
     border-radius: 1rem
     height: calc(100% - 1.5rem)
     display: table
+
     span
       display: table-cell
       font-size: 1.8rem
@@ -210,4 +296,4 @@ textarea
   z-index: 99
   top: 0
   left: 0
-  background-color: rgba(0,0,0,0.5)
+  background-color: rgba(0, 0, 0, 0.5)

public/stylesheets/sass/mixins.sass

@@ -4,5 +4,4 @@
   background: lighten($primary, 10%)
   color: $primarySurface
   border: 2px solid $primarySurface
-  border-radius: $borderRadius
   transition-duration: 0.2s

public/stylesheets/sass/style.sass

@@ -12,11 +12,11 @@
 
 @media (min-device-width: 641px)
   html
-    font-size: 4vw
+    font-size: 2.5vw
 
 @media (min-device-width: 961px)
   html
-    font-size: 3vw
+    font-size: 2.2vw
 
 @media (min-device-width: 1025px)
   html
@@ -53,3 +53,20 @@ input
 
 textarea
   background-color: lighten($primary, 15%)
+
+a
+  color: $secondary
+
+::-webkit-scrollbar
+  width: 12px
+  height: 12px
+
+::-webkit-scrollbar-thumb
+  background: darken($secondary, 5)
+  transition-duration: 0.2s
+
+::-webkit-scrollbar-thumb:hover
+  background: $secondary
+
+::-webkit-scrollbar-track
+  background: lighten($primary, 5)

routes/bingo.js

@@ -1,7 +1,16 @@
 const express = require('express'),
     router = express.Router(),
     cproc = require('child_process'),
-    fsx = require('fs-extra');
+    fsx = require('fs-extra'),
+    mdEmoji = require('markdown-it-emoji'),
+    mdMark = require('markdown-it-mark'),
+    mdSmartarrows = require('markdown-it-smartarrows'),
+    mdMath = require('markdown-it-math'),
+    md = require('markdown-it')()
+        .use(mdEmoji)
+        .use(mdMark)
+        .use(mdSmartarrows)
+        .use(mdMath);
 
 const rWordOnly = /^\w+$/;
 
@@ -21,6 +30,7 @@ class BingoSession {
         this.bingos = [];   // array with the users that already had bingo
         this.finished = false;
         this.followup = null;
+        this.chatMessages = [];
     }
 
     /**
@@ -30,6 +40,9 @@ class BingoSession {
     addUser(user) {
         let id = user.id;
         this.users[id] = user;
+        if (user.username !== 'anonymous') {
+            this.chatMessages.push(new BingoChatMessage(`**${user.username}** joined.`, "INFO"));
+        }
     }
 
     /**
@@ -53,8 +66,54 @@ class BingoSession {
         let followup = new BingoSession(this.words, this.gridSize);
         this.followup = followup.id;
         bingoSessions[followup.id] = followup;
+        followup.chatMessages = this.chatMessages;
+        followup.chatMessages.push(new BingoChatMessage('**Rematch**', "INFO"));
         return followup;
     }
+
+    /**
+     * Graphql endpoint to get the last n messages or messages by id
+     * @param args {Object} - arguments passed by graphql
+     * @returns {[]}
+     */
+    getMessages(args) {
+        let input = args.input || null;
+        if (input && input.id) {
+            return this.chatMessages.find(x => (x && x.id === input.id));
+        } else if (input && input.last) {
+            return this.chatMessages.slice(-input.last);
+        } else {
+            return this.chatMessages.slice(-10);
+        }
+    }
+
+    /**
+     * Sends the message that a user toggled a word.
+     * @param base64Word
+     * @param bingoUser
+     */
+    sendToggleInfo(base64Word, bingoUser) {
+        let word = Buffer.from(base64Word, 'base64').toString();
+        let toggleMessage = new BingoChatMessage(`**${bingoUser.username}** toggled phrase "${word}".`, "INFO");
+        this.chatMessages.push(toggleMessage);
+    }
+}
+
+class BingoChatMessage {
+    /**
+     * Chat Message class constructor
+     * @param messageContent {String} - the messages contents
+     * @param type {String} - the type constant of the message (USER, ERROR, INFO)
+     * @param [username] {String} -  the username of the user who send this message
+     */
+    constructor(messageContent, type="USER", username) {
+        this.id = generateBingoId();
+        this.content = messageContent;
+        this.htmlContent = md.renderInline(messageContent);
+        this.datetime = Date.now();
+        this.username = username;
+        this.type = type;
+    }
 }
 
 class BingoUser {
@@ -96,6 +155,15 @@ class BingoGrid {
     }
 }
 
+/**
+ * Replaces tag signs with html-escaped signs.
+ * @param htmlString
+ * @returns {string}
+ */
+function replaceTagSigns(htmlString) {
+    return htmlString.replace(/</g, '&#60;').replace(/>/g, '&#62;');
+}
+
 /**
  * Shuffles the elements in an array
  * @param array  {Array<*>}
@@ -242,7 +310,8 @@ router.get('/', (req, res) => {
         if (bingoSessions[gameId] && !bingoSessions[gameId].finished) {
             bingoUser.game = gameId;
             let bingoSession = bingoSessions[gameId];
-            bingoSession.addUser(bingoUser);
+            if (!bingoSession.users[bingoUser.id])
+                bingoSession.addUser(bingoUser);
 
             if (!bingoUser.grids[gameId]) {
                 bingoUser.grids[gameId] = generateWordGrid([bingoSession.gridSize, bingoSession.gridSize], bingoSession.words);
@@ -285,6 +354,7 @@ router.graphqlResolver = (req, res) => {
             });
             let size = input.size;
             if (words.length > 0 && size < 10 && size > 0) {
+                words = words.slice(0, 10000);      // only allow up to 10000 words in the bingo
                 let game = new BingoSession(words, size);
 
                 bingoSessions[game.id] = game;
@@ -316,6 +386,7 @@ router.graphqlResolver = (req, res) => {
                 input.base64Word = input.base64Word || Buffer.from(input.word).toString('base-64');
                 if (bingoUser.grids[gameId]) {
                     toggleHeared(input.base64Word, bingoUser.grids[gameId]);
+                    bingoSession.sendToggleInfo(input.base64Word, bingoUser);
                     return bingoUser.grids[gameId];
                 } else {
                     res.status(400);
@@ -343,6 +414,16 @@ router.graphqlResolver = (req, res) => {
             } else {
                 res.status(400);
             }
+        },
+        sendChatMessage: ({input}) => {
+            input.message = replaceTagSigns(input.message).substring(0, 250);
+            if (bingoSession && input.message) {
+                let userMessage = new BingoChatMessage(input.message, 'USER', bingoUser.username);
+                bingoSession.chatMessages.push(userMessage);
+                return userMessage;
+            } else {
+                res.status(400);
+            }
         }
     };
 };

sql/createSessionTable.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS "user_sessions" (
+    "sid" varchar NOT NULL COLLATE "default",
+    "sess" json NOT NULL,
+	"expire" timestamp(6) NOT NULL,
+	PRIMARY KEY ("sid") NOT DEFERRABLE INITIALLY IMMEDIATE
+)
+WITH (OIDS=FALSE);

views/bingo/bingo-game.pug

@@ -4,7 +4,7 @@ block content
     if username === 'anonymous'
         div(class='greyover')
         div(id='username-form', onkeypress='submitOnEnter(event, submitUsername)')
-            input(type='text', id='username-input', placeholder=username)
+            input(type='text', id='username-input', placeholder=username, maxlength="30")
             span Maximum is 30 characters.
             button(onclick='submitUsername()') Set Username
     div(id='content-container')
@@ -13,6 +13,9 @@ block content
             each player in players
                 div(class='player-container', b-pid=`${player.id}`)
                     span(class='player-name-span')= player.username
+        div(id='chat-container')
+            div(id='chat-content')
+            input(id='chat-input' type='text', placeholder='chat', onkeypress='submitOnEnter(event, sendChatMessage)' maxlength="250")
         div(id='words-container')
             each val in grid
                 div(class='bingo-word-row')
@@ -20,4 +23,6 @@ block content
                         div(class='bingo-word-panel', onclick=`submitWord('${field.base64Word}')`, b-word=field.base64Word, b-sub=`${field.submitted}`)
                             span= field.word
         div(id='button-container')
-            button(id='bingo-button' onclick='submitBingo()', class='hidden') Bingo!
+            button(id='bingo-button', onclick='submitBingo()', class='hidden') Bingo!
+        div(id='chat-button-container')
+            button(id='chat-toggle-button', onclick='toggleChatView()') toggle Chat

views/bingo/bingo-layout.pug

@@ -4,5 +4,6 @@ html
         title Bingo by Trivernis
         script(type='text/javascript', src='/javascripts/bingo-web.js')
         link(rel='stylesheet', href='/sass/bingo/style.sass')
+        base(target='_blank')
     body
         block content

views/bingo/bingo-submit.pug

@@ -10,4 +10,4 @@ block content
             div(class='stretchDiv')
                 button(onclick='submitBingoWords()') Submit
         span(id='word-count') Please provide at least 9 phrases:
-        textarea(id='bingo-textarea', placeholder='Bingo Words')
+        textarea(id='bingo-textarea', placeholder='Bingo Words (max 10,000)', maxlength=1000000)