diff --git a/src/help.js b/src/help.js index e7e4d87..aea99cc 100644 --- a/src/help.js +++ b/src/help.js @@ -85,6 +85,55 @@ module.exports = (robot) => { } }) + robot.listen(msg => { + if (msg.room === 'general') return false + const regExps = robot.listeners.map(item => { + if (item.regex && item.regex.source) { + return item.regex + } + }).filter(item => item) + for (const reg of regExps) { + const match = msg.text.match(reg) + if (match && match[0]) { + return false + } + } + + return true + }, {}, async msg => { + const message = msg.message.text.replace('rocketbot ', '') + const robotName = robot.alias || robot.name + const ingnorWords = new RegExp(`${robotName} |\\s<.*>|\\s@.*|\\*`, 'g') + const isAdmin = await routines.isAdmin(robot, msg.message.user.name) + + const filteredCommands = [] + let beginAdmin = false + for (const c of getHelpCommands(robot)) { + if (c === 'begin admin') { + beginAdmin = true + } + + if (!isAdmin && !beginAdmin || isAdmin) { + filteredCommands.push(c) + } + + if (c === 'end admin') { + beginAdmin = false + } + } + + let commands = filteredCommands + .filter(command => !command.match(/^begin|^end/i)) + .map(command => command.slice(0, command.indexOf('-') - 1)) + .filter(command => spellCheckers(message, command.replace(ingnorWords, ''))) + + if (commands.length) { + msg.send(`Может ты имел ввиду:\n${commands.map(command => `**${command}**`).join('\n')}`) + } else { + msg.send('Я не знаю такой команды') + } + }) + if (process.env.HUBOT_HELP_DISABLE_HTTP == null) { return robot.router.get(`/${robot.name}/help`, (req, res) => { let msg @@ -254,3 +303,59 @@ var hiddenCommandsPattern = function hiddenCommandsPattern () { return new RegExp(`^hubot (?:${hiddenCommands != null ? hiddenCommands.join('|') : undefined}) - `) } } + +/** + * Сhecks for typos by comparing two strings. + * + * @param {string} checked - The string that is checked for typos. + * @param {string} correct - String that assumes the correct word without a typo. + * + * @returns {boolean} + */ +var spellCheckers = function spellCheckers (checked, correct) { + let characterShift = [] + let check + let checkedWord = checked.toLowerCase().split('') + let correctWord = correct.toLowerCase().split('') + let expectedWord + let intersections = [] + let lengthWord = correct.length + let pass + if ((checked.length - correct.length) > 4) return false + if (correctWord.length - checkedWord.length > 3) return false + for (let i = 0; i <= lengthWord - 1; i++) { + if (pass === checkedWord[i]) { + for (let j = -1; j >= -2; j--) { + if (correctWord[i] === checkedWord[i + j]) intersections.push(j) + } + } + if (intersections.length - 1 === i) continue + for (let j = -1 * (intersections[i - 1] === null || intersections[i - 1] === -1); j <= 2; j++) { + if (correctWord[i] === checkedWord[i + j] && i + j <= lengthWord - 1) { + intersections.push(j) + if (j > 0) pass = checkedWord[i + j] + break + } + } + if (intersections.length - 1 < i) { + intersections.push(null) + if (intersections[i - 1] !== null && intersections[i - 2] !== null) { + characterShift.push(correctWord[i]) + } + } + } + intersections.push('', '', '') + intersections = intersections.map((iteam, index) => iteam === null ? null : iteam + index) + + expectedWord = intersections.map(word => { + if (word !== null) { + return checkedWord[word] + } else if (characterShift.length) { + return characterShift.shift() + } + }).join('') + if (expectedWord.length <= 2) return false + check = new RegExp(expectedWord.slice(0, correct.length), 'i') + + return !!correct.match(check) +}