wingbot-mssql

<!doctype html> <html lang="en"> <head> <title>Code coverage report for StateStorage.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="index.html">All files</a> StateStorage.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 4.23% Statements 3/71 </div> <div class='fl pad1y space-right2'> 0% Branches 0/49 </div> <div class='fl pad1y space-right2'> 0% Functions 0/10 </div> <div class='fl pad1y space-right2'> 4.23% Lines 3/71 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a 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class="text"><pre class="prettyprint lang-js">'use strict';   const mssql = require('mssql'); const { deepEncode, deepDecode } = require('./deepMap');   /** * @typedef {object} State * @prop {string} senderId * @prop {string} pageId * @prop {object} state */   /** * @typedef {object} StateCondition * @prop {string} [search] */   /** * Storage for chat states * * @class */ class StateStorage {   /** * @param {Promise<mssql.ConnectionPool>} pool */ constructor (pool) { this._pool = pool; }   /** * * @param {string} senderId * @param {string} pageId * @returns {Promise<State|null>} */ async getState (senderId, pageId) {   const cp = await this._pool;   const { recordset } = await cp.request() .input('senderId', mssql.VarChar, senderId) .input('pageId', mssql.VarChar, pageId) .query('SELECT TOP 1 * FROM states WHERE senderId=@senderId AND pageId=@pageId');   const [res] = recordset;   if (!res) { return null; }   return { ...res, state: this._decodeState(res.state) }; }   /** * Load state from database and lock it to prevent another reads * * @param {string} senderId - sender identifier * @param {string} pageId - page identifier * @param {object} [defaultState] - default state of the conversation * @param {number} [timeout=300] - given default state * @returns {Promise<object>} - conversation state */ async getOrCreateAndLock (senderId, pageId, defaultState = {}, timeout = 300) {   const now = Date.now(); const threshold = now - timeout;   const cp = await this._pool;   const res = await cp.request() .input('senderId', mssql.VarChar, senderId) .input('pageId', mssql.VarChar, pageId) .input('lock', mssql.BigInt, now) .input('threshold', mssql.BigInt, threshold) .query('UPDATE states SET lock = @lock WHERE senderId = @senderId AND pageId = @pageId AND lock < @threshold');   if (res.rowsAffected[0] === 1) { // successfully locked   return this.getState(senderId, pageId); }   try { // not exists or conflict await this._insertState(cp, senderId, pageId, defaultState, now);   return { senderId, pageId, lock: now, state: { ...defaultState } }; } catch (e) { // 2627 is unique constraint (includes primary key), 2601 is unique index if (e.number === 2601 || e.number === 2627) { // for compatibility with MongDB connnector sending same error code e.code = 11000; }   throw e; } }   /** * Save the state to database * * @param {object} state - conversation state * @returns {Promise<object>} */ async saveState (state) { const { senderId, pageId, lastSendError, off = false, lastInteraction } = state;   const cp = await this._pool;   const res = await cp.request() .input('senderId', mssql.VarChar, senderId) .input('pageId', mssql.VarChar, pageId) .input('lastSendError', mssql.NVarChar, lastSendError) .input('state', mssql.NVarChar, this._encodeState(state.state)) .input('itsOff', mssql.VarChar, off ? 'true' : 'false') .input('lastInteraction', mssql.BigInt, lastInteraction) .query('UPDATE states SET lock = 0, state = @state, itsOff = @itsOff, lastInteraction = @lastInteraction WHERE senderId = @senderId AND pageId = @pageId');     if (res.rowsAffected[0] === 0) { // nothing was updated so let's insert it   await this._insertState(cp, senderId, pageId, state.state, 0, lastInteraction, off); }   return state; }   _decodeState (state) { return deepDecode(JSON.parse(state)); }   _encodeState (state) { return JSON.stringify(deepEncode(state)); }   async _insertState (cp, senderId, pageId, state, lock = 0, lastInt = null, off = false) {   return cp.request() .input('senderId', mssql.VarChar, senderId) .input('pageId', mssql.VarChar, pageId) .input('lock', mssql.BigInt, lock) .input('state', mssql.NVarChar, this._encodeState(state)) .input('itsOff', mssql.VarChar, off ? 'true' : 'false') .input('lastInteraction', mssql.BigInt, lastInt) .query('INSERT INTO states (senderId, pageId, lock, state, itsOff, lastInteraction) VALUES (@senderId, @pageId, @lock, @state, @itsOff, @lastInteraction)'); }   // @TODO Davide, getStates jsem uz nestihl. // našel jsem že MS SQL má taky metodu SKIP a LIMIT které se tu používají v MongoDB // https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/ef/language-reference/skip-entity-sql // https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/ef/language-reference/limit-entity-sql /** * * @param {StateCondition} condition * @param {number} limit * @param {string} lastKey * @returns {Promise<{data:State[],lastKey:string}>} */ async getStates (condition = {}, limit = 20, lastKey = null) { const cp = await this._pool;   let lastInteraction = 0; let skip = 0;   if (lastKey !== null) { const key = JSON.parse(Buffer.from(lastKey, 'base64').toString('utf8'));   if (key.skip) { ({ skip } = key); } else { ({ lastInteraction } = key); // Object.assign(useCondition, { // lastInteraction: { // $lte: new Date(key.lastInteraction) // } // }); } }   const searchStates = typeof condition.search === 'string';   let where = '';   if (lastInteraction) { where = 'WITH (INDEX(lastInteraction)) WHERE lastInteraction BETWEEN 0 AND @lastInteraction'; } else if (searchStates) { where = 'WHERE'; }   if (searchStates && lastInteraction) { where += ' AND'; }   if (searchStates) { where += ' senderId LIKE @search'; }   const res = await cp.request() .input('offset', mssql.BigInt, skip) .input('limit', mssql.BigInt, limit + 1) .input('lastInteraction', mssql.BigInt, lastInteraction) .input('search', mssql.VarChar, `${condition.search}%`) .query(`SELECT * FROM states ${where} ORDER BY lastInteraction DESC OFFSET @offset ROWS FETCH NEXT @limit ROWS ONLY`);   let { recordset: data } = res;   let nextLastKey = null; if (limit !== null && data.length > limit) { if (searchStates) { nextLastKey = Buffer.from(JSON.stringify({ skip: skip + limit })).toString('base64'); } else { const last = data[data.length - 1]; nextLastKey = Buffer.from(JSON.stringify({ lastInteraction: last.lastInteraction })).toString('base64'); }   // @ts-ignore data = data.slice(0, limit); }   return { data: data.map((camp) => this._mapState(camp)), lastKey: nextLastKey }; }   _mapState (state) { if (!state) { return null; }   // eslint-disable-next-line no-param-reassign state.state = this._decodeState(state.state);   // eslint-disable-next-line no-param-reassign state.itsOff = state.itsOff === 'true' || state.itsOff === true;   // eslint-disable-next-line no-param-reassign state.lastInteraction = new Date(typeof state.lastInteraction === 'string' ? parseInt(state.lastInteraction, 10) : state.lastInteraction);   delete state._id; // eslint-disable-line delete state.lock; // eslint-disable-line delete state.off; // eslint-disable-line delete state.lastSendError // eslint-disable-line delete state.score // eslint-disable-line   return state; }   }   module.exports = StateStorage;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Thu Apr 09 2020 10:55:27 GMT+0200 (Central European Summer Time) </div> </div> <script src="prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>