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whooshy/routes/bingo.js

1292 lines
38 KiB
JavaScript

const express = require('express'),
router = express.Router(),
mdEmoji = require('markdown-it-emoji'),
mdMark = require('markdown-it-mark'),
mdSmartarrows = require('markdown-it-smartarrows'),
md = require('markdown-it')()
.use(mdEmoji)
.use(mdMark)
.use(mdSmartarrows),
utils = require('../lib/utils'),
globals = require('../lib/globals');
let pgPool = globals.pgPool;
let bingoSessions = {};
/**
* Class to manage the bingo data in the database.
*/
class BingoDataManager {
/**
* constructor functino
* @param postgresPool {pg.Pool} - the postgres pool
*/
constructor(postgresPool) {
this.pgPool = postgresPool;
this.queries = utils.parseSqlYaml('./sql/bingo');
}
async init() {
await this.pgPool.query(this.queries.createTables.sql);
setInterval(async () => await this._databaseCleanup(), 5*60*1000); // database cleanup every 5 minutes
}
/**
* Try-catch wrapper around the pgPool.query.
* @param query {String} - the sql query
* @param [values] {Array} - an array of values
* @returns {Promise<*>}
*/
async _queryDatabase(query, values) {
try {
return await this.pgPool.query(query, values);
} catch (err) {
console.error(`Error on query "${query}" with values ${JSON.stringify(values)}.`);
console.error(err);
console.error(err.stack);
return {
rows: null
};
}
}
/**
* Queries the database and returns all resulting rows
* @param query {String} - the sql query
* @param values {Array} - an array of parameters needed in the query
* @returns {Promise<*>}
* @private
*/
async _queryAllResults(query, values) {
let result = await this._queryDatabase(query, values);
return result.rows || [];
}
/**
* Query the database and return the first result or null
* @param query {String} - the sql query
* @param values {Array} - an array of parameters needed in the query
* @returns {Promise<*>}
*/
async _queryFirstResult(query, values) {
let result = await this._queryDatabase(query, values);
if (result.rows && result.rows.length > 0)
return result.rows[0];
}
/**
* Clears expired values from the database.
*/
async _databaseCleanup() {
await this._queryDatabase(this.queries.cleanup.sql);
}
/**
* Add a player to the players table
* @param username {String} - the username of the player
* @returns {Promise<*>}
*/
async addPlayer(username) {
let result = await this._queryFirstResult(this.queries.addPlayer.sql, [username]);
if (result)
return result;
else
return {}; // makes things easier
}
/**
* Updates the username of a player
* @param playerId {Number} - the id of the player
* @param username {String} - the new username
* @returns {Promise<void>}
*/
async updatePlayerUsername(playerId, username) {
return await this._queryFirstResult(this.queries.updatePlayerUsername.sql, [username, playerId]);
}
/**
* Returns the username for a player-id
* @param playerId {Number} - the id of the player
* @returns {Promise<*>}
*/
async getPlayerInfo(playerId) {
return await this._queryFirstResult(this.queries.getPlayerInfo.sql, [playerId]);
}
/**
* Updates the expiration date of a player
* @param playerId {Request} - thie id of the player
* @returns {Promise<void>}
*/
async updatePlayerExpiration(playerId) {
await this._queryDatabase(this.queries.updatePlayerExpire.sql, [playerId]);
}
/**
* Creates a bingo lobby.
* @param playerId
* @param gridSize
* @returns {Promise<*>}
*/
async createLobby(playerId, gridSize) {
return await this._queryFirstResult(this.queries.addLobby.sql, [playerId, gridSize]);
}
/**
* Updates the expiration date of a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async updateLobbyExpiration(lobbyId) {
return await this._queryDatabase(this.queries.updateLobbyExpire.sql, [lobbyId]);
}
/**
* Returns the row of the lobby.
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async getLobbyInfo(lobbyId) {
return await this._queryFirstResult(this.queries.getLobbyInfo.sql, [lobbyId]);
}
/**
* Checks if a player is in a lobby.
* @param playerId {Number} - the id of the player
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async getPlayerInLobby(playerId, lobbyId) {
return (await this._queryFirstResult(this.queries.getPlayerInLobby.sql, [playerId, lobbyId]));
}
/**
* Returns all players in a lobby.
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async getLobbyPlayers(lobbyId) {
return await this._queryAllResults(this.queries.getLobbyPlayers.sql, [lobbyId]);
}
/**
* Returns the last messages in a lobby with a limit
* @param lobbyId {Number} - the id of the lobby
* @param [limit] {Number} - the maximum of messages to fetch
* @returns {Promise<*>}
*/
async getLobbyMessages(lobbyId, limit=20) {
return await this._queryAllResults(this.queries.getLobbyMessages.sql, [lobbyId, limit]);
}
/**
* Adds a player to a lobby.
* @param playerId {Number} - the id of the player
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async addPlayerToLobby(playerId, lobbyId) {
let entry = await this.getPlayerInLobby(playerId, lobbyId);
if (entry) {
entry.lobby_id = entry.id;
return entry;
} else {
return await this._queryFirstResult(this.queries.addPlayerToLobby.sql, [playerId, lobbyId]);
}
}
/**
* Sets the current round property of the lobby
* @param lobbyId {Number} - the id of the lobby
* @param roundId {Number} - the id of the round
* @returns {Promise<*>}
*/
async setLobbyCurrentRound(lobbyId, roundId) {
return await this._queryFirstResult(this.queries.setLobbyCurrentRound.sql, [lobbyId, roundId]);
}
/**
* Updates the grid size of a lobby
* @param lobbyId {Number} - the id of the lobby
* @param gridSize {Number} - the new grid size
* @returns {Promise<*>}
*/
async setLobbyGridSize(lobbyId, gridSize) {
return await this._queryFirstResult(this.queries.setLobbyGridSize.sql, [lobbyId, gridSize]);
}
/**
* Removes a player from a lobbby
* @param playerId {Number} - the id of the player
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async removePlayerFromLobby(playerId, lobbyId) {
return await this._queryFirstResult(this.queries.removePlayerFromLobby.sql, [playerId, lobbyId]);
}
/**
* Adds a word to a lobby
* @param lobbyId {Number} - the id of the lobby
* @param word {Number} - the id of the word
* @returns {Promise<void>}
*/
async addWordToLobby(lobbyId, word) {
return await this._queryFirstResult(this.queries.addWord.sql, [lobbyId, word]);
}
/**
* Returns all words used in a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<void>}
*/
async getWordsForLobby(lobbyId) {
return await this._queryAllResults(this.queries.getWordsForLobby.sql, [lobbyId]);
}
/**
* Returns information about a word
* @param wordId {Number} - the id of the word
* @returns {Promise<*>}
*/
async getWordInfo(wordId) {
return await this._queryFirstResult(this.queries.getWordInfo.sql, [wordId]);
}
/**
* Returns all rounds of a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async getLobbyRounds(lobbyId) {
return await this._queryAllResults(this.queries.getLobbyRounds.sql, [lobbyId]);
}
/**
* Returns the round row of a round
* @param roundId {Number} - the id of the round
* @returns {Promise<*>}
*/
async getRoundInfo(roundId) {
return await this._queryFirstResult(this.queries.getRoundInfo.sql, [roundId]);
}
/**
* Updates the status of a round
* @param roundId {Number} - the id of the round
* @param status {String<8>} - the new status
* @returns {Promise<*>}
*/
async updateRoundStatus(roundId, status) {
return await this._queryFirstResult(this.queries.updateRoundStatus.sql, [roundId, status]);
}
/**
* Returns the number of wins the player had in a lobby
* @param lobbyId {Number} - the id of the lobby
* @param playerId {Number} - the id of the player
* @returns {Promise<*>}
*/
async getLobbyPlayerWins(lobbyId, playerId) {
return await this._queryFirstResult(this.queries.getLobbyPlayerWins.sql, [lobbyId, playerId]);
}
/**
* Adds a grid for a user to a lobby
* @param lobbyId {Number} - the id of the lobby
* @param playerId {Number} - the id of the user
* @param roundId {Number} - the id of the round
* @returns {Promise<*>}
*/
async addGrid(lobbyId, playerId, roundId) {
return await this._queryFirstResult(this.queries.addGrid.sql, [playerId, lobbyId, roundId]);
}
/**
* Adds a word to a grid with specific location
* @param gridId {Number} - the id of the gird
* @param wordId {Number} - the id of the word
* @param row {Number} - the number of the row
* @param column {Number} - the number of the column
*/
async addWordToGrid(gridId, wordId, row, column) {
return await this._queryFirstResult(this.queries.addWordToGrid.sql, [gridId, wordId, row, column]);
}
/**
* Returns all words in the grid with location
* @param gridId {Number} - the id of the grid
* @returns {Promise<*>}
*/
async getWordsInGrid(gridId) {
return await this._queryAllResults(this.queries.getWordsForGridId.sql, [gridId]);
}
/**
* Returns the grid row for a player and lobby id
* @param lobbyId {Number} - the id of the lobby
* @param playerId {Number} - the id of the player
* @param roundId {Number} - the id of the round
* @returns {Promise<*>}
*/
async getGridForPlayerLobbyRound(lobbyId, playerId, roundId) {
return await this._queryFirstResult(this.queries.getGridByPlayerLobbyRound.sql, [playerId, lobbyId, roundId]);
}
/**
* Returns the grid row for a grid id
* @param gridId {Number} - the id of the grid
* @returns {Promise<*>}
*/
async getGridInfo(gridId) {
return await this._queryFirstResult(this.queries.getGridInfo.sql, [gridId]);
}
/**
* Sets a field of the grid to submitted/unsubmitted depending on the previous value
* @param gridId {Number} - the id of the grid
* @param fieldRow {Number} - the row of the field
* @param fieldColumn {Number} - the column of the field
* @returns {Promise<*>}
*/
async toggleGridFieldSubmitted(gridId, fieldRow, fieldColumn) {
return await this._queryFirstResult(this.queries.toggleGridFieldSubmitted.sql, [gridId, fieldRow, fieldColumn]);
}
/**
* Adds a round for a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async addRound(lobbyId) {
return await this._queryFirstResult(this.queries.addRound.sql, [lobbyId]);
}
/**
* Updates a round to the "FINISHED" status and sets the finish time
* @param roundId {Number}
* @returns {Promise<*>}
*/
async setRoundFinished(roundId) {
return await this._queryFirstResult(this.queries.setRoundFinished.sql, [roundId]);
}
/**
* Updates the rounds winner
* @param winnerId {Number} - the id of the winner
* @returns {Promise<*>}
*/
async setRoundWinner(winnerId) {
return await this._queryFirstResult(this.queries.setRoundWiner.sql, [winnerId]);
}
/**
* Inserts a message of type "USER" into the database
* @param lobbyId {Number} - the id of the lobby
* @param playerId {Number} - the id of the author (player)
* @param messageContent {String} - the content of the message
* @returns {Promise<*>}
*/
async addUserMessage(lobbyId, playerId, messageContent) {
return await this._queryFirstResult(this.queries.addUserMessage.sql, [playerId, lobbyId, messageContent]);
}
/**
* Removes all words of a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<*>}
*/
async clearLobbyWords(lobbyId) {
return await this._queryFirstResult(this.queries.clearLobbyWords.sql, [lobbyId]);
}
/**
* Returns a single entry from grid_words
* @param gridId {Number} - the id of the grid
* @param row {Number} - the row of the field
* @param column {Number} - the column of the row
* @returns {Promise<*>}
*/
async getGridField(gridId, row, column) {
return await this._queryFirstResult(this.queries.getGriedField.sql, [gridId, row, column]);
}
}
class WordWrapper {
/**
* constructor
* @param id {Number} - the id of the word
* @param [row] {Object} - the database row of the word
*/
constructor(id, row) {
this.id = id;
this._infoLoaded = false;
if (row)
this._assignProperties(row);
}
/**
* Loads the word information from the database
* @returns {Promise<void>}
* @private
*/
async _loadWordInfo() {
if (!this._infoLoaded) {
let row = await bdm.getWordInfo(this.id);
if (row)
this._assignProperties(row);
}
}
/**
* Assign the row as properties
* @param row {Object} - the word row
* @private
*/
_assignProperties(row) {
this._content = row.content;
this._heared = row.heared;
this._lobbyId = row.lobbyId;
this._infoLoaded = this._content && this._heared && this._lobbyId;
}
/**
* Returns a new lobby wrapper for the words lobby
* @returns {Promise<LobbyWrapper>}
*/
async lobby() {
await this._loadWordInfo();
return new LobbyWrapper(this._lobbyId);
}
/**
* Returns the word iteself
* @returns {Promise<Object.content|*>}
*/
async content() {
await this._loadWordInfo();
return this._content;
}
/**
* Returns the number of people that heared the word
* @returns {Promise<Object.heared|(function())>}
*/
async heared() {
await this._loadWordInfo();
return this._heared;
}
/**
* Returns if the word was confirmed heared
* @returns {Promise<boolean>}
*/
async confirmed() {
await this._loadWordInfo();
return true; // TODO confirmation logic
}
}
class GridFieldWrapper {
/**
* constructor
* @param row {Object} - the resulting row
*/
constructor(row) {
this.row = row.grid_row;
this.column = row.grid_column;
this.submitted = row.submitted;
this.word = new WordWrapper(row.word_id, row);
this.grid = new GridWrapper(row.grid_id);
}
}
class GridWrapper {
constructor(id) {
this.id = id;
this._infoLoaded = false;
}
/**
* Loads all direct grid information
* @returns {Promise<void>}
* @private
*/
async _loadGridInfo() {
if (!this._infoLoaded) {
let result = await bdm.getGridInfo(this.id);
if (result) {
this.playerId = result.player_id;
this.lobbyId = result.lobby_id;
this.size = result.grid_size;
}
}
}
/**
* Gets a matrix of the submitted-values of each grid field
* @returns {Promise<Array[[boolean]]>}
* @private
*/
async _getSubmittedMatrix() {
await this._loadGridInfo();
let rows = await bdm.getWordsInGrid(this.id);
let matrix = [];
for (let i = 0; i < this.size; i++) {
matrix[i] = [];
for (let j = 0; j < this.size; j++)
matrix[i][j] = rows.find(x => (x.grid_row === i && x.grid_column === j)).submitted;
}
return matrix;
}
/**
* Returns all fields in the grid
* @returns {Promise<Array>}
*/
async fields() {
let rows = await bdm.getWordsInGrid(this.id);
let fields = [];
for (let row of rows)
fields.push(new GridFieldWrapper(row));
return fields;
}
/**
* Returns a field with the current row and column
* @param row {Number} - the fields row
* @param column {Number} - the fields column
* @returns {Promise<GridFieldWrapper>}
*/
async field({row, column}) {
let result = await bdm.getGridField(this.id, row, column);
return new GridFieldWrapper(result);
}
/**
* Returns if a bingo is possible
* @returns {Promise<boolean>}
*/
async bingo() {
let subMatrix = await this._getSubmittedMatrix();
return checkBingo(subMatrix);
}
/**
* Returns the lobby of the grid
* @returns {Promise<LobbyWrapper>}
*/
async lobby() {
await this._loadGridInfo();
return new LobbyWrapper(this.lobbyId);
}
/**
* Returns the player of the grid
* @returns {Promise<PlayerWrapper>}
*/
async player() {
await this._loadGridInfo();
return new PlayerWrapper(this.playerId);
}
/**
* Toggles submitted of a grid field
* @param row {Number} - the row of the field
* @param column {Number} - the column of the field
* @returns {Promise<GridFieldWrapper>}
*/
async toggleField(row, column) {
let result = await bdm.toggleGridFieldSubmitted(this.id, row, column);
return new GridFieldWrapper(result);
}
}
class MessageWrapper {
/**
* constructor
* @param row {Object} - the database row of the message
*/
constructor(row) {
this.id = row.id;
this.content = row.content;
this.htmlContent = md.renderInline(this.content);
this.author = new PlayerWrapper(row.player_id);
this.lobby = new LobbyWrapper(row.lobby_id);
this.type = row.type;
this.created = row.created;
}
}
class PlayerWrapper {
/**
* constructor
* @param id {Number} - the id of the player
*/
constructor(id) {
this.id = id;
this._infoLoaded = false;
}
/**
* Loads all player information
* @returns {Promise<void>}
* @private
*/
async _loadPlayerInfo() {
if (!this._infoLoaded) {
let result = await bdm.getPlayerInfo(this.id);
if (result) {
this._uname = result.username;
this.expire = result.expire;
this._infoLoaded = true;
}
}
}
/**
* Returns the grid for a specific lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<GridWrapper>}
*/
async grid({lobbyId}) {
let currentRound = (await new LobbyWrapper(lobbyId).currentRound()).id;
let result = await bdm.getGridForPlayerLobbyRound(lobbyId, this.id, currentRound);
if (result)
return new GridWrapper(result.id);
}
/**
* Returns the username of the player
* @returns {Promise<String|null>}
*/
async username() {
await this._loadPlayerInfo();
return this._uname;
}
/**
* Returns the number of wins of a player in a lobby
* @param lobbyId {Number} - the id of the lobby
* @returns {Promise<null|PlayerWrapper.wins>}
*/
async wins({lobbyId}) {
let result = await bdm.getLobbyPlayerWins(lobbyId, this.id);
if (result && result.wins)
return result.wins;
else
return null;
}
}
class RoundWrapper {
/**
* constructor
* @param id {Number} - the id of the round
* @param [row] {Object} - already queried row of the row
*/
constructor(id, row) {
this.id = id;
this._infoLoaded = false;
if (row)
this._assignProperties(row);
}
/**
* Adds data to the round wrapper
* @param row
* @private
*/
_assignProperties(row) {
this._start = row.start;
this._finish = row.finish;
this._status = row.status;
this._lobbyId = row.lobby_id;
this._winnerId = row.winner;
this._infoLoaded = true;
}
/**
* Loads the round info from the database
* @returns {Promise<void>}
* @private
*/
async _loadRoundInfo() {
if (!this._infoLoaded) {
let row = await bdm.getRoundInfo(this.id);
if (row)
this._assignProperties(row);
}
}
/**
* Returns the winner of the bingo round (if exists)
* @returns {Promise<PlayerWrapper>}
*/
async winner() {
await this._loadRoundInfo();
if (this._winnerId)
return new PlayerWrapper(this._winnerId);
}
/**
* Returns the start timestamp of the round
* @returns {Promise<String>}
*/
async start() {
await this._loadRoundInfo();
return this._start;
}
/**
* Returns the finish timestamp of the round if it exists
* @returns {Promise<String|null>}
*/
async finish() {
await this._loadRoundInfo();
return this._finish;
}
/**
* Returns the status of a round
* @returns {Promise<String>}
*/
async status() {
await this._loadRoundInfo();
return this._status;
}
/**
* Returns the lobby the round is belonging to
* @returns {Promise<LobbyWrapper>}
*/
async lobby() {
await this._loadRoundInfo();
return new LobbyWrapper(this._lobbyId);
}
/**
* Updates the status of the round to a new one
* @param status {String<8>} - the new status
* @returns {Promise<void>}
*/
async updateStatus(status) {
let updateResult = await bdm.updateRoundStatus(this.id, status);
if (updateResult)
this._assignProperties(updateResult);
}
/**
* Sets the round to finished
* @returns {Promise<void>}
*/
async setFinished() {
let updateResult = await bdm.setRoundFinished(this.id);
if (updateResult)
this._assignProperties(updateResult);
}
/**
* Sets the winner of the round
* @param winnerId {Number} - the id of the winner
*/
async setWinner(winnerId) {
let status = await this.status();
if (status !== "FINISHED") {
let updateResult = await bdm.setRoundWinner(winnerId);
if (updateResult)
await this.setFinished();
return true;
}
}
}
class LobbyWrapper {
/**
* constructor
* @param id {Number} - the id of the lobby
* @param [row] {Object} - the optional row object of the lobby to load info from
*/
constructor(id, row) {
this.id = id;
this._infoLoaded = false;
if (row)
this._assignProperties(row);
}
/**
* Loads information about the lobby if it hasn't been loaded yet
* @returns {Promise<void>}
* @private
*/
async _loadLobbyInfo() {
if (!this._infoLoaded) {
let row = await bdm.getLobbyInfo(this.id);
this._assignProperties(row);
}
}
/**
* Assigns properties to the lobby wrapper
* @param row {Object} - the row to assign properties from
* @private
*/
_assignProperties(row) {
if (row) {
this.admin_id = row.admin_id;
this.grid_size = row.grid_size;
this.expire = row.expire;
this.current_round = row.current_round;
this._infoLoaded = true;
}
}
/**
* returns the players in the lobby
* @returns {Promise<Array>}
*/
async players() {
let rows = await bdm.getLobbyPlayers(this.id);
let players = [];
for (let row of rows)
players.push(new PlayerWrapper(row.player_id));
return players;
}
/**
* Returns the admin of the lobby
* @returns {Promise<PlayerWrapper>}
*/
async admin() {
await this._loadLobbyInfo();
return new PlayerWrapper(this.admin_id);
}
/**
* Returns the active round of the lobby
* @returns {Promise<RoundWrapper>}
*/
async currentRound() {
await this._loadLobbyInfo();
if (this.current_round)
return new RoundWrapper(this.current_round);
}
/**
* Returns all round of a lobby
* @returns {Promise<Array>}
*/
async rounds() {
let rows = await bdm.getLobbyRounds(this.id);
let rounds = [];
for (let row of rows)
rounds.push(new RoundWrapper(row.id, row));
return rounds;
}
/**
* Returns the grid-size of the lobby
* @returns {Promise<void>}
*/
async gridSize() {
await this._loadLobbyInfo();
return this.grid_size;
}
/**
* Returns a number of messages send in the lobby
* @param limit
* @returns {Promise<Array>}
*/
async messages({limit}) {
let rows = await bdm.getLobbyMessages(this.id, limit);
let messages = [];
for (let row of rows)
messages.push(new MessageWrapper(row));
return messages;
}
/**
* Returns all words in a lobby
* @returns {Promise<Array>}
*/
async words() {
let rows = await bdm.getWordsForLobby(this.id);
let words = [];
for (let row of rows)
words.push(new WordWrapper(row.id, row));
return words;
}
/**
* Creates a new round
* @returns {Promise<*>}
*/
async _createRound() {
let result = await bdm.addRound(this.id);
if (result && result.id) {
let updateResult = await bdm.setLobbyCurrentRound(this.id, result.id);
this._assignProperties(updateResult);
return result.id;
}
}
/**
* Creates a grid for each player
* @returns {Promise<void>}
*/
async _createGrids() {
let words = await this.words();
let players = await this.players();
let currentRound = this.current_round;
for (let player of players) {
// eslint-disable-next-line no-await-in-loop
let gridId = (await bdm.addGrid(this.id, player.id, currentRound)).id;
let gridContent = generateWordGrid(this.grid_size, words);
for (let i = 0; i < gridContent.length; i++)
for (let j = 0; j < gridContent[i].length; j++)
// eslint-disable-next-line no-await-in-loop
await bdm.addWordToGrid(gridId, gridContent[i][j].id, i, j);
}
}
/**
* Creates a new round and new grids for each player
* @returns {Promise<void>}
*/
async startNewRound() {
let words = await this.words();
if (words && words.length > 0) {
let currentRound = await this.currentRound();
if (currentRound)
await currentRound.setFinished();
await this._createRound();
await this._createGrids();
}
}
/**
* Sets the grid size of the lobby
* @param gridSize {Number} - the new grid size
* @returns {Promise<void>}
*/
async setGridSize(gridSize) {
let updateResult = await bdm.setLobbyGridSize(this.id, gridSize);
this._assignProperties(updateResult);
}
/**
* Returns if the specific player exists in the lobby
* @param playerId
* @returns {Promise<*>}
*/
async hasPlayer(playerId) {
let result = (await bdm.getPlayerInLobby(playerId, this.id));
return (result && result.player_id);
}
/**
* Sets the words of the lobby
* @param words
* @returns {Promise<void>}
*/
async setWords(words) {
if (words.length > 0) {
await bdm.clearLobbyWords(this.id);
for (let word of words)
// eslint-disable-next-line no-await-in-loop
await bdm.addWordToLobby(this.id, word);
}
}
}
/**
* 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<*>}
* @returns {Array<*>}
*/
function shuffleArray(array) {
let counter = array.length;
while (counter > 0) {
let index = Math.floor(Math.random() * counter);
counter--;
let temp = array[counter];
array[counter] = array[index];
array[index] = temp;
}
return array;
}
/**
* Inflates an array to a minimum Size
* @param array {Array} - the array to inflate
* @param minSize {Number} - the minimum size that the array needs to have
* @returns {Array}
*/
function inflateArray(array, minSize) {
let resultArray = array;
let iterations = Math.ceil(minSize/array.length)-1;
for (let i = 0; i < iterations; i++)
resultArray = [...resultArray, ...resultArray];
return resultArray;
}
/**
* Generates a word grid with random word placements in the given dimensions
* @param size {Array<Number>} - the dimensions of the grid
* @param words {Array<*>} - the words included in the grid
* @returns {Array}
*/
function generateWordGrid(size, words) {
let shuffledWords = shuffleArray(inflateArray(words, size**2));
let grid = [];
for (let x = 0; x < size; x++) {
grid[x] = [];
for (let y = 0; y < size; y++)
grid[x][y] = shuffledWords[(x * size) + y];
}
return grid;
}
/**
* Checks if a diagonal bingo is possible
* @param fg {Array<Array<boolean>>} - the grid with the checked (submitted) values
* @returns {boolean|boolean|*}
*/
function checkBingoDiagnoal(fg) {
let bingoCheck = true;
// diagonal check
for (let i = 0; i < fg.length; i++)
bingoCheck = fg[i][i] && bingoCheck;
if (bingoCheck)
return true;
bingoCheck = true;
for (let i = 0; i < fg.length; i++)
bingoCheck = fg[i][fg.length - i - 1] && bingoCheck;
return bingoCheck;
}
/**
* Checks if a vertical bingo is possible
* @param fg {Array<Array<boolean>>} - the grid with the checked (submitted) values
* @returns {boolean|boolean|*}
*/
function checkBingoVertical(fg) {
let bingoCheck = true;
for (let row of fg) {
bingoCheck = true;
for (let field of row)
bingoCheck = field && bingoCheck;
if (bingoCheck)
return true;
}
return bingoCheck;
}
/**
* Checks if a horizontal bingo is possible
* @param fg {Array<Array<boolean>>} - the grid with the checked (submitted) values
* @returns {boolean|boolean|*}
*/
function checkBingoHorizontal(fg) {
let bingoCheck = true;
// vertical check
for (let i = 0; i < fg.length; i++) {
bingoCheck = true;
for (let j = 0; j < fg.length; j++)
bingoCheck = fg[j][i] && bingoCheck;
if (bingoCheck)
return true;
}
return bingoCheck;
}
/**
* Checks if a bingo exists in the bingo grid.
* @param fg {Array<[Boolean]>}
* @returns {boolean}
*/
function checkBingo(fg) {
let diagonalBingo = checkBingoDiagnoal(fg);
let verticalCheck = checkBingoVertical(fg);
let horizontalCheck = checkBingoHorizontal(fg);
return diagonalBingo || verticalCheck || horizontalCheck;
}
// -- Router stuff
let bdm = new BingoDataManager(pgPool);
router.init = async () => {
await bdm.init();
};
router.use(async (req, res, next) => {
if (req.session.bingoPlayerId)
await bdm.updatePlayerExpiration(req.session.bingoPlayerId);
next();
});
router.get('/', (req, res) => {
let bingoUser = req.session.bingoUser;
if (req.query.g) {
let lobbyId = req.query.g;
if (bingoSessions[gameId] && !bingoSessions[gameId].finished) {
bingoUser.game = gameId;
let bingoSession = bingoSessions[gameId];
if (!bingoSession.users[bingoUser.id])
bingoSession.addUser(bingoUser);
if (!bingoUser.grids[gameId])
bingoUser.grids[gameId] = generateWordGrid(bingoSession.gridSize, bingoSession.words);
res.render('bingo/bingo-game', {
grid: bingoUser.grids[gameId].fieldGrid,
username: bingoUser.username,
players: bingoSession.players()
});
} else {
res.render('bingo/bingo-submit');
}
} else {
res.render('bingo/bingo-create');
}
});
router.graphqlResolver = async (req, res) => {
let playerId = req.session.bingoPlayerId;
if (playerId)
await bdm.updatePlayerExpiration(playerId);
return {
// queries
lobby: ({id}) => {
return new LobbyWrapper(id);
},
player: ({id}) => {
if (id)
return new PlayerWrapper(id);
else
if (playerId)
return new PlayerWrapper(playerId);
else
res.status(400);
},
// mutations
setUsername: async ({username}) => {
username = replaceTagSigns(username.substring(0, 30)); // only allow 30 characters
if (!playerId) {
req.session.bingoPlayerId = (await bdm.addPlayer(username)).id;
playerId = req.session.bingoPlayerId;
} else {
await bdm.updatePlayerUsername(playerId, username);
}
return new PlayerWrapper(playerId);
},
createLobby: async({gridSize}) => {
if (playerId) {
let result = await bdm.createLobby(playerId, gridSize);
return new LobbyWrapper(result.id);
} else {
res.status(400);
}
},
mutateLobby: async ({id}) => {
let lobbyId = id;
await bdm.updateLobbyExpiration(lobbyId);
let lobbyWrapper = new LobbyWrapper(lobbyId);
return {
join: async () => {
if (playerId) {
let result = await bdm.addPlayerToLobby(playerId, lobbyId);
return new LobbyWrapper(result.lobby_id);
} else {
res.status(400);
}
},
leave: async () => {
if (playerId) {
await bdm.removePlayerFromLobby(playerId, lobbyId);
return true;
} else {
res.status(400);
}
},
kickPlayer: async ({pid}) => {
let admin = await lobbyWrapper.admin();
if (admin.id === playerId) {
let result = await bdm.removePlayerFromLobby(pid, lobbyId);
return new LobbyWrapper(result.id, result);
}
},
startRound: async () => {
let admin = await lobbyWrapper.admin();
if (admin.id === playerId) {
await lobbyWrapper.startNewRound();
return lobbyWrapper.currentRound();
}
},
setGridSize: async ({gridSize}) => {
let admin = await lobbyWrapper.admin();
if (admin.id === playerId) {
await lobbyWrapper.setGridSize(gridSize);
return lobbyWrapper;
}
},
setWords: async({words}) => {
let admin = await lobbyWrapper.admin();
if (admin.id === playerId) {
await lobbyWrapper.setWords(words);
return lobbyWrapper;
} else {
res.status(400);
}
},
sendMessage: async ({message}) => {
if (await lobbyWrapper.hasPlayer(playerId)) {
let result = await bdm.addUserMessage(lobbyId, playerId, message);
return new MessageWrapper(result);
} else {
res.status(400);
}
},
submitBingo: async () => {
let isBingo = await (await (new PlayerWrapper(playerId)).grid({lobbyId: lobbyId})).bingo();
let currentRound = await lobbyWrapper.currentRound();
if (isBingo) {
let result = await currentRound.setWinner(playerId);
if (result)
return currentRound;
else
res.status(400);
} else {
res.status(400);
}
},
toggleGridField: async ({location}) => {
let {row, column} = location;
return await (await (new PlayerWrapper(playerId)).grid({lobbyId: lobbyId}))
.toggleField(row, column);
}
};
}
};
};
module.exports = router;