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index.js
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'use strict';
const merge = require('lodash.merge');
const stringify = require('json-stringify-deterministic');
const mssql = require('mssql');
const util = require('util');
const fs = require('fs');
const fsplus = require('fs-plus');
const crypto = require('./crypto');
const mssqlQueries = require('./sql');
const crud = require('./crud');
const parserSP = require('./parsers/mssqlSP');
const parserDefault = require('./parsers/mssqlDefault');
const xml2js = require('xml2js');
const uuid = require('uuid');
const path = require('path');
const xmlParser = new xml2js.Parser({explicitRoot: false, charkey: 'text', mergeAttrs: true, explicitArray: false});
const xmlBuilder = new xml2js.Builder({headless: true});
const saveAs = require('./saveAs');
const AUDIT_LOG = /^[\s+]{0,}--ut-audit-params$/m;
const CORE_ERROR = /^[\s+]{0,}EXEC \[?core]?\.\[?error]?$/m;
const CALL_PARAMS = /^[\s+]{0,}DECLARE @callParams XML$/m;
const VAR_RE = /\$\{([^}]*)\}/g;
const ROW_VERSION_INNER_TYPE = 'BINARY';
let errors;
const serverRequire = require;
// patch for https://github.com/tediousjs/tedious/pull/710
require('tedious').TYPES.Time.writeParameterData = function writeParameterData(buffer, parameter, options) {
if (parameter.value != null) {
var time = new Date(+parameter.value);
var timestamp = void 0;
if (options.useUTC) {
timestamp = ((time.getUTCHours() * 60 + time.getUTCMinutes()) * 60 + time.getUTCSeconds()) * 1000 + time.getUTCMilliseconds();
} else {
timestamp = ((time.getHours() * 60 + time.getMinutes()) * 60 + time.getSeconds()) * 1000 + time.getMilliseconds();
}
timestamp = timestamp * Math.pow(10, parameter.scale - 3);
timestamp += (parameter.value.nanosecondDelta != null ? parameter.value.nanosecondDelta : 0) * Math.pow(10, parameter.scale);
timestamp = Math.round(timestamp);
switch (parameter.scale) {
case 0:
case 1:
case 2:
buffer.writeUInt8(3);
buffer.writeUInt24LE(timestamp);
break;
case 3:
case 4:
buffer.writeUInt8(4);
buffer.writeUInt32LE(timestamp);
break;
case 5:
case 6:
case 7:
buffer.writeUInt8(5);
buffer.writeUInt40LE(timestamp);
}
} else {
buffer.writeUInt8(0);
}
};
// end patch
function changeRowVersionType(field) {
if (field && (field.type.toUpperCase() === 'ROWVERSION' || field.type.toUpperCase() === 'TIMESTAMP')) {
field.type = ROW_VERSION_INNER_TYPE;
field.length = 8;
}
}
module.exports = function({parent}) {
function SqlPort({config}) {
parent && parent.apply(this, arguments);
this.config = merge({
id: null,
logLevel: 'info',
retrySchemaUpdate: true,
type: 'sql',
cache: false,
createTT: false,
tableToType: {},
skipTableType: [],
createCRUD: false,
tableToCRUD: {},
skipCRUD: {},
allowQuery: false,
retry: 10000,
paramsOutName: 'out',
doc: false,
db: {
options: {
debug: {
packet: true
}
}
}
}, config);
errors = errors || require('./errors')(this.defineError);
this.super = {};
this.connection = null;
this.retryTimeout = null;
this.connectionAttempt = 0;
return this;
}
function fieldSource(column) {
return (column.column + '\t' + column.type + '\t' + (column.length === null ? '' : column.length) + '\t' + (column.scale === null ? '' : column.scale)).toLowerCase();
}
if (parent) {
util.inherits(SqlPort, parent);
}
SqlPort.prototype.init = function init() {
parent && parent.prototype.init.apply(this, arguments);
this.latency = this.counter && this.counter('average', 'lt', 'Latency');
this.bytesSent = this.counter && this.counter('counter', 'bs', 'Bytes sent', 300);
this.bytesReceived = this.counter && this.counter('counter', 'br', 'Bytes received', 300);
};
SqlPort.prototype.connect = function connect() {
this.connection && this.connection.close();
this.connectionReady = false;
return Promise.resolve()
.then(() => {
if (this.config.db.cryptoAlgorithm) {
return crypto.decrypt(this.config.db.password, this.config.db.cryptoAlgorithm);
}
return false;
})
.then((r) => {
this.config.db.password = (r || this.config.db.password);
return this.tryConnect();
})
.then(this.refreshView.bind(this, true))
.then(this.loadSchema.bind(this, null))
.then(this.updateSchema.bind(this))
.then(this.refreshView.bind(this, false))
.then(this.linkSP.bind(this))
.then(this.doc.bind(this))
.then((v) => { this.connectionReady = true; return v; })
.catch((err) => {
try { this.connection.close(); } catch (e) {};
if (this.config.retry) {
this.retryTimeout = setTimeout(this.connect.bind(this), 10000);
this.log.error && this.log.error(err);
} else {
this.log.fatal && this.log.fatal(err);
return Promise.reject(err);
}
});
};
SqlPort.prototype.start = function start() {
this.cbc = this.config.cbc && crypto.cbc(this.config.cbc);
this.bus && this.bus.importMethods(this.config, this.config.imports, undefined, this);
this.config.imports && this.config.imports.forEach(impl => {
if (Array.isArray(this.config[impl + '.skipTableType'])) {
this.config.skipTableType = this.config.skipTableType.concat(this.config[impl + '.skipTableType']);
};
});
if (Array.isArray(this.config.createTT)) {
Object.assign(this.config.tableToType, this.config.createTT.reduce(function(obj, tableName) {
obj[tableName.toLowerCase()] = true;
return obj;
}, {}));
}
if (typeof this.config.createCRUD === 'object') {
// e.g {'namespace.entity': ['create', 'read', 'update', 'delete']}
// or {'namespace.entity': true}
let crudTables = Object.keys(this.config.createCRUD);
if (crudTables.length) {
Object.assign(this.config.tableToCRUD, crudTables.reduce((obj, tableName) => {
obj[tableName.toLowerCase()] = this.config.createCRUD[tableName];
return obj;
}, {}));
}
}
return Promise.resolve()
.then(() => parent && parent.prototype.start.apply(this, Array.prototype.slice.call(arguments)))
.then(this.connect.bind(this))
.then(result => {
this.pull(this.exec);
return result;
});
};
SqlPort.prototype.stop = function stop() {
clearTimeout(this.retryTimeout);
// this.queue.push();
this.connectionReady = false;
this.connection.close();
parent && parent.prototype.stop.apply(this, Array.prototype.slice.call(arguments));
};
function setPathProperty(object, fieldName, fieldValue) {
let path = fieldName.split('.');
fieldName = path.pop();
path.forEach(function(name) {
if (name) {
if (!(object[name] instanceof Object)) {
object[name] = {};
}
object = object[name];
}
});
object[fieldName] = fieldValue;
}
SqlPort.prototype.checkConnection = function(checkReady) {
if (!this.connection) {
throw errors.noConnection({
server: this.config.db && this.config.db.server,
database: this.config.db && this.config.db.database
});
}
if (checkReady && !this.connectionReady) {
throw errors.notReady({
server: this.config.db && this.config.db.server,
database: this.config.db && this.config.db.database
});
}
};
/**
* @function exec
* @description Handles SQL query execution
* @param {Object} message
*/
SqlPort.prototype.exec = function(message) {
let $meta = (arguments.length && arguments[arguments.length - 1]);
$meta.debug = !!this.bus.config.debug;
let methodName = ($meta && $meta.method);
if (methodName) {
let parts = methodName.match(/^([^[]*)(\[[0+?^]?])?$/);
let modifier;
if (parts) {
methodName = parts[1];
modifier = parts[2];
}
let method = this.config[methodName];
if (!method) {
methodName = methodName.split('/', 2);
method = methodName.length === 2 && this.config[methodName[1]];
}
if (method instanceof Function) {
return Promise.resolve()
.then(() => method.apply(this, Array.prototype.slice.call(arguments)))
.then(result => {
switch (modifier) {
case '[]':
if (result && result.length === 1) {
return result[0];
} else {
throw errors.singleResultsetExpected();
}
case '[^]':
if (result && result.length === 0) {
return null;
} else {
throw errors.noRowsExpected();
}
case '[0]':
if (result && result.length === 1 && result[0] && result[0].length === 1) {
return result[0][0];
} else {
throw errors.oneRowExpected();
}
case '[?]':
if (result && result.length === 1 && result[0] && result[0].length <= 1) {
return result[0][0];
} else {
throw errors.maxOneRowExpected();
}
case '[+]':
if (result && result.length === 1 && result[0] && result[0].length >= 1) {
return result[0];
} else {
throw errors.minOneRowExpected();
}
default:
return result;
}
});
}
}
this.checkConnection(true);
if (this.config.validate instanceof Function) {
this.config.validate(message);
}
if (!this.config.allowQuery || !message.query) {
return Promise.reject(this.bus.errors.methodNotFound({params: {method: methodName}}));
};
let debug = this.isDebug();
let request = this.getRequest();
let port = this;
return new Promise(function(resolve, reject) {
request.query(message.query, function(err, result) {
// let end = +new Date();
// let execTime = end - start;
// todo record execution time
if (err) {
debug && (err.query = message.query);
let error = port.getError(err.message && err.message.split('\n').shift()) || errors.sql;
reject(error(err));
} else {
$meta.mtid = 'response';
if (message.process === 'return') {
if (result && result.recordset && result.recordset.length) {
Object.keys(result.recordset[0]).forEach(function(value) {
setPathProperty(message, value, result.recordset[0][value]);
});
}
resolve(message);
} else if (message.process === 'json') {
message.dataSet = result.recordset;
resolve(message);
} else if (message.process === 'xls') { // todo
reject(errors.notImplemented(message.process));
} else if (message.process === 'xml') { // todo
reject(errors.notImplemented(message.process));
} else if (message.process === 'csv') { // todo
reject(errors.notImplemented(message.process));
} else if (message.process === 'processRows') { // todo
reject(errors.notImplemented(message.process));
} else if (message.process === 'queueRows') { // todo
reject(errors.notImplemented(message.process));
} else {
reject(errors.missingProcess(message.process));
}
}
});
});
};
SqlPort.prototype.getSchema = function() {
let result = [];
if (this.config.schema) {
let schema;
if (typeof (this.config.schema) === 'function') {
schema = this.config.schema();
} else {
schema = this.config.schema;
}
if (Array.isArray(schema)) {
result = schema.slice();
} else {
result.push({path: schema});
}
}
this.config.imports && this.config.imports.forEach(function(imp) {
imp.match(/\.schema$/) && Array.prototype.push.apply(result, this.config[imp]);
if (this.includesConfig('updates', imp, true)) {
this.config[imp + '.schema'] && Array.prototype.push.apply(result, this.config[imp + '.schema']);
}
}.bind(this));
return result.reduce((all, schema) => {
schema = (typeof schema === 'function') ? schema(this) : schema;
schema && all.push(schema);
return all;
}, []);
};
function flatten(data) {
let result = {};
function recurse(cur, prop) {
if (Object(cur) !== cur) {
result[prop] = cur;
} else if (Array.isArray(cur) || typeof cur === 'function') {
result[prop] = cur;
} else {
let isEmpty = true;
Object.keys(cur).forEach(function(p) {
isEmpty = false;
recurse(cur[p], prop ? prop + '.' + p : p);
});
if (isEmpty && prop) {
result[prop] = {};
}
}
}
recurse(data, '');
return result;
}
SqlPort.prototype.updateSchema = function(schema) {
this.checkConnection();
let busConfig = flatten(this.bus.config);
function replaceAuditLog(statement) {
let binding = parserSP.parse(statement);
return statement.trim().replace(AUDIT_LOG, mssqlQueries.auditLog(binding));
}
function replaceCallParams(statement) {
let binding = parserSP.parse(statement);
return statement.trim().replace(CALL_PARAMS, mssqlQueries.callParams(binding));
}
function replaceCoreError(statement, fileName, objectName, params) {
return statement
.split('\n')
.map((line, index) => (line.replace(CORE_ERROR,
`DECLARE @CORE_ERROR_FILE_${index} sysname='${fileName.replace(/'/g, '\'\'')}' ` +
`DECLARE @CORE_ERROR_LINE_${index} int='${index + 1}' ` +
`EXEC [core].[errorStack] @procid=@@PROCID, @file=@CORE_ERROR_FILE_${index}, @fileLine=@CORE_ERROR_LINE_${index}, @params = ${params}`)))
.join('\n');
}
function preProcess(statement, fileName, objectName) {
statement = statement.replace(VAR_RE, (placeHolder, label) => busConfig[label] || placeHolder);
if (statement.match(AUDIT_LOG)) {
statement = replaceAuditLog(statement);
}
let params = 'NULL';
if (statement.match(CALL_PARAMS)) {
statement = replaceCallParams(statement);
params = '@callParams';
}
if (statement.match(CORE_ERROR)) {
statement = replaceCoreError(statement, fileName, objectName, params);
}
return statement;
}
function getAlterStatement(statement, fileName, objectName) {
statement = preProcess(statement, fileName, objectName);
if (statement.trim().match(/^CREATE\s+TYPE/i)) {
return statement.trim();
} else {
return statement.trim().replace(/^CREATE /i, 'ALTER ');
}
}
function tableToType(statement) {
if (statement.match(/^CREATE\s+TABLE/i)) {
let binding = parserSP.parse(statement);
if (binding.type === 'table') {
let name = binding.name.match(/]$/) ? binding.name.slice(0, -1) + 'TT]' : binding.name + 'TT';
let columns = binding.fields.map(function(field) {
changeRowVersionType(field);
return `[${field.column}] [${field.type}]` +
(field.length !== null && field.scale !== null ? `(${field.length},${field.scale})` : '') +
(field.length !== null && field.scale === null ? `(${field.length})` : '') +
(typeof field.default === 'number' ? ` DEFAULT(${field.default})` : '') +
(typeof field.default === 'string' ? ` DEFAULT('${field.default.replace(/'/g, '\'\'')}')` : '');
});
return 'CREATE TYPE ' + name + ' AS TABLE (\r\n ' + columns.join(',\r\n ') + '\r\n)';
}
}
return '';
}
function tableToCRUD(statement, action) {
if (statement.match(/^CREATE\s+TABLE/i)) {
let binding = parserSP.parse(statement);
if (binding.type === 'table') {
return crud.generate(binding, action);
}
}
return '';
}
function tableToTTU(statement) {
let result = '';
if (statement.match(/^CREATE\s+TABLE/i)) {
let binding = parserSP.parse(statement);
if (binding.type === 'table') {
let name = binding.name.match(/]$/) ? binding.name.slice(0, -1) + 'TTU]' : binding.name + 'TTU';
let columns = binding.fields.map(function(field) {
changeRowVersionType(field);
return ('[' + field.column + '] [' + field.type + ']' +
(field.length !== null && field.scale !== null ? `(${field.length},${field.scale})` : '') +
(field.length !== null && field.scale === null ? `(${field.length})` : '') +
',\r\n' + field.column + 'Updated bit');
});
result = 'CREATE TYPE ' + name + ' AS TABLE (\r\n ' + columns.join(',\r\n ') + '\r\n)';
}
}
return result;
}
function getCreateStatement(statement, fileName, objectName) {
return preProcess(statement, fileName, objectName).trim()
.replace(/^ALTER /i, 'CREATE ')
.replace(/^DROP SYNONYM .* CREATE SYNONYM/i, 'CREATE SYNONYM');
}
function getSource(statement, fileName, objectName) {
statement = preProcess(statement, fileName, objectName);
if (statement.trim().match(/^CREATE\s+TYPE/i)) {
let binding = parserSP.parse(statement);
if (binding && binding.type === 'table type') {
return binding.fields.map(fieldSource).join('\r\n');
}
}
return statement.trim().replace(/^ALTER /i, 'CREATE ');
}
function addQuery(queries, params) {
if (schema.source[params.objectId] === undefined) {
queries.push({fileName: params.fileName, objectName: params.objectName, objectId: params.objectId, content: params.createStatement});
} else {
if (schema.source[params.objectId].length &&
(getSource(params.fileContent, params.fileName, params.objectName) !== schema.source[params.objectId])) {
let deps = schema.deps[params.objectId];
if (deps) {
deps.names.forEach(function(dep) {
delete schema.source[dep];
});
queries.push({
fileName: params.fileName,
objectName: params.objectName + ' drop dependencies',
objectId: params.objectId,
content: deps.drop.join('\r\n')
});
}
queries.push({
fileName: params.fileName,
objectName: params.objectName,
objectId: params.objectId,
content: getAlterStatement(params.fileContent, params.fileName, params.objectName)
});
}
}
}
function getObjectName(fileName) {
return fileName.replace(/\.sql$/i, '').replace(/^[^$]*\$/, ''); // remove "prefix$" and ".sql" suffix
}
function shouldCreateTT(tableName) {
return (self.config.createTT === true || self.includesConfig('tableToType', tableName, false)) && !self.includesConfig('skipTableType', tableName, false);
}
function shouldCreateCRUD(tableName, action) {
let includesConfig = (name) => {
let config = self.config[name] && self.config[name][tableName];
if (typeof config === 'boolean') {
return config;
}
if (Array.isArray(config)) {
return config.indexOf(action) !== -1;
}
return false;
};
return (self.config.createCRUD === true || includesConfig('tableToCRUD')) && !includesConfig('skipCRUD');
}
function retrySchemaUpdate(failedQueue) {
let newFailedQueue = [];
let request = self.getRequest();
let errCollection = [];
self.log.warn && self.log.warn('Retrying failed TX');
let promise = Promise.resolve();
failedQueue.forEach(function(schema) {
promise = promise
.then(function retryFailedQueueSchema() {
return request
.batch(schema.content)
.then(() => {
self.log.warn && self.log.warn({
message: schema.objectName,
$meta: {
opcode: 'updateFailedSchemas'
}
});
return true;
})
.catch((err) => {
let newErr = err;
newErr.fileName = schema.fileName;
newErr.message = newErr.message + ' (' + newErr.fileName + ':' + (newErr.lineNumber || 1) + ':1)';
self.log.error && self.log.error(newErr);
errCollection.push(newErr);
newFailedQueue.push(schema);
return false;
});
});
});
return promise
.then(() => {
if (newFailedQueue.length === 0) {
return;
} else if (newFailedQueue.length === failedQueue.length) {
throw errors.retryFailedSchemas(errCollection);
}
return retrySchemaUpdate(newFailedQueue);
});
}
let self = this;
let schemas = this.getSchema();
let failedQueries = [];
let hashDropped = false;
if (!schemas || !schemas.length) {
return schema;
}
return new Promise((resolve, reject) => {
let objectList = [];
let promise = Promise.resolve();
schemas.forEach((schemaConfig) => {
promise = promise
.then(() => {
return new Promise((resolve, reject) => {
fs.readdir(schemaConfig.path, (err, files) => {
if (err) {
reject(err);
return;
}
let queries = [];
files = files.sort();
if (schemaConfig.exclude && schemaConfig.exclude.length > 0) {
files = files.filter((file) => !(schemaConfig.exclude.indexOf(file) >= 0));
}
let objectIds = files.reduce(function(prev, cur) {
prev[getObjectName(cur).toLowerCase()] = true;
return prev;
}, {});
files.forEach(function(file) {
let objectName = getObjectName(file);
let objectId = objectName.toLowerCase();
let fileName = schemaConfig.path + '/' + file;
if (!fs.statSync(fileName).isFile()) {
return;
}
schemaConfig.linkSP && (objectList[objectId] = fileName);
let fileContent = fs.readFileSync(fileName).toString();
addQuery(queries, {
fileName: fileName,
objectName: objectName,
objectId: objectId,
fileContent: fileContent,
createStatement: getCreateStatement(fileContent, fileName, objectName)
});
if (shouldCreateTT(objectId) && !objectIds[objectId + 'tt']) {
let tt = tableToType(fileContent.trim().replace(/^ALTER /i, 'CREATE '));
if (tt) {
addQuery(queries, {
fileName: fileName,
objectName: objectName + 'TT',
objectId: objectId + 'tt',
fileContent: tt,
createStatement: tt
});
}
let ttu = tableToTTU(fileContent.trim().replace(/^ALTER /i, 'CREATE '));
if (ttu) {
addQuery(queries, {
fileName: fileName,
objectName: objectName + 'TTU',
objectId: objectId + 'ttu',
fileContent: ttu,
createStatement: ttu
});
}
}
crud.actions.forEach((action) => {
if (!objectIds[`${objectId}.${action}`] && shouldCreateCRUD(objectId, action)) {
let sp = tableToCRUD(fileContent.trim().replace(/^ALTER /i, 'CREATE '), action);
if (sp) {
let context = {
objectName: `${objectName}.${action}`,
objectId: `${objectId}.${action}`
};
schemaConfig.linkSP && (objectList[context.objectId] = fileName);
addQuery(queries, {
fileName: fileName,
objectName: context.objectName,
objectId: context.objectId,
fileContent: sp,
createStatement: sp
});
}
}
});
});
let request = self.getRequest();
let updated = [];
let innerPromise = Promise.resolve();
if (queries.length && !hashDropped) {
innerPromise = innerPromise
.then(() => request.batch(mssqlQueries.dropHash())
.then(() => {
hashDropped = true;
return true;
}));
}
queries.forEach((query) => {
innerPromise = innerPromise.then(() => {
return request
.batch(query.content)
.then(() => updated.push(query.objectName))
.catch((err) => {
if (!this.config.retrySchemaUpdate) {
let newErr = err;
newErr.fileName = query.fileName;
newErr.message = newErr.message + ' (' + newErr.fileName + ':' + (newErr.lineNumber || 1) + ':1)';
newErr.stack = newErr.stack.split('\n').shift();
throw newErr;
} else {
failedQueries.push(query);
if (self.log.warn) {
self.log.warn({'failing file': query.fileName});
self.log.warn(err);
}
return false;
}
});
});
});
return innerPromise
.then(function() {
updated.length && self.log.info && self.log.info({
message: updated,
$meta: {
mtid: 'event',
opcode: 'updateSchema'
}
});
return resolve();
})
.catch(reject);
});
});
});
});
return promise
.then(() => resolve(objectList))
.catch(reject);
})
.then((objectList) => {
if (!failedQueries.length) {
return objectList;
}
return retrySchemaUpdate(failedQueries)
.then(() => (objectList));
})
.then(function(objectList) {
return self.loadSchema(objectList);
});
};
SqlPort.prototype.execTemplate = function(template, params) {
let self = this;
return template.render(params).then(function(query) {
return self.exec({query: query, process: 'json'})
.then(result => result && result.dataSet);
});
};
SqlPort.prototype.execTemplateRow = function(template, params) {
return this.execTemplate(template, params).then(function(data) {
let result = (data && data[0]) || {};
if (result._errorCode && parseInt(result._errorCode, 10) !== 0) {
// throw error if _errorCode is '', undefined, null, number (different than 0) or string (different than '0', '00', etc.)
let error = errors.sql({
code: result._errorCode || -1,
message: result._errorMessage || 'sql error'
});
throw error;
} else {
return result;
}
});
};
SqlPort.prototype.execTemplateRows = function(template, params) {
return this.execTemplate(template, params).then(function(data) {
let result = data || [{}];
if (result[0] && result[0]._errorCode && parseInt(result[0]._errorCode, 10) !== 0) {
// throw error if _errorCode is '', undefined, null, number (different than 0) or string (different than '0', '00', etc.)
let error = errors.sql({
code: result[0]._errorCode || -1,
message: result[0]._errorMessage || 'sql error'
});
throw error;
} else {
return result;
}
});
};
SqlPort.prototype.getRequest = function() {
let request = new mssql.Request(this.connection);
request.on('info', (info) => {
this.log.warn && this.log.warn({$meta: {mtid: 'event', opcode: 'message'}, message: info});
});
return request;
};
SqlPort.prototype.callSP = function(name, params, flatten, fileName) {
let self = this;
let outParams = [];
params && params.forEach(function(param) {
param.out && outParams.push(param.name);
});
function sqlType(def) {
let type;
if (def.type === 'table') {
type = def.create();
} else if (def.type === 'rowversion') {
type = mssql[ROW_VERSION_INNER_TYPE](8);
} else {
type = mssql[def.type.toUpperCase()];
}
if (def.size) {
if (Array.isArray(def.size)) {
type = type(def.size[0], def.size[1]);
} else {
type = (def.size === 'max') ? type(mssql.MAX) : type(def.size);
}
}
return type;
}
function flattenMessage(data, delimiter) {
if (!delimiter) {
return data;
}
let result = {};
function recurse(cur, prop) {
if (Object(cur) !== cur) {
result[prop] = cur;
} else if (Array.isArray(cur)) {
// for (let i = 0, l = cur.length; i < l; i += 1) {
// recurse(cur[i], prop + '[' + i + ']');
// }
// if (l === 0) {
// result[prop] = [];
// }
result[prop] = cur;
} else {
let isEmpty = true;
for (let p in cur) {
isEmpty = false;
recurse(cur[p], prop ? prop + delimiter + p : p);
}
if (isEmpty && prop) {
result[prop] = {};
}
}
}
recurse(data, '');
return result;
}
function getValue(column, value, def, updated) {
if (updated) {
return updated;
}
if (value === undefined) {
return def;
} else if (value) {
if (/^(date.*|smalldate.*)$/.test(column.type.declaration)) {
// set a javascript date for 'date', 'datetime', 'datetime2' 'smalldatetime'
return new Date(value);
} else if (column.type.declaration === 'time') {
return new Date('1970-01-01T' + value + 'Z');
} else if (column.type.declaration === 'xml') {
let obj = {};
obj[column.name] = value;
return xmlBuilder.buildObject(obj);
} else if (value.type === 'Buffer') {
return Buffer.from(value.data);
}
}
return value;
}
return function callLinkedSP(msg, $meta) {
self.checkConnection(true);
let request = self.getRequest();
let data = flattenMessage(msg, flatten);
let debug = this.isDebug();
let debugParams = {};
request.multiple = true;
$meta.globalId = uuid.v1();
params && params.forEach(function(param) {
let value;
if (param.name === 'meta') {
value = $meta;
} else if (param.update) {
value = data[param.name] || data.hasOwnProperty(param.update);
} else {
value = data[param.name];
}
if (param.encrypt) {
value = self.cbc.encrypt(value);
}
let hasValue = value !== void 0;
let type = sqlType(param.def);
debug && (debugParams[param.name] = value);
if (param.def && param.def.type === 'time' && value != null) {
value = new Date('1970-01-01T' + value);
} else if (param.def && /datetime/.test(param.def.type) && value != null && !(value instanceof Date)) {
value = new Date(value);
} else if (param.def && param.def.type === 'xml' && value != null) {
value = xmlBuilder.buildObject(value);
} else if (param.def && param.def.type === 'rowversion' && value != null && !Buffer.isBuffer(value)) {
value = Buffer.from(value.data ? value.data : []);
}
if (param.out) {
request.output(param.name, type, value);
} else {
if (param.def && param.def.type === 'table') {
if (value) {
if (Array.isArray(value)) {
value.forEach(function(row) {
row = flattenMessage(row, param.flatten);
if (typeof row === 'object') {
type.rows.add.apply(type.rows, param.columns.reduce(function(prev, cur, i) {
prev.push(getValue(type.columns[i], row[cur.column], cur.default, cur.update && row.hasOwnProperty(cur.update)));
return prev;
}, []));
} else {
type.rows.add.apply(type.rows, [getValue(type.columns[0], row, param.columns[0].default, false)]
.concat(new Array(param.columns.length - 1)));
}
});
} else if (typeof value === 'object') {
value = flattenMessage(value, param.flatten);
type.rows.add.apply(type.rows, param.columns.reduce(function(prev, cur, i) {
prev.push(getValue(type.columns[i], value[cur.column], cur.default, cur.update && value.hasOwnProperty(cur.update)));
return prev;
}, []));
} else {
value = flattenMessage(value, param.flatten);
type.rows.add.apply(type.rows, [getValue(type.columns[0], value, param.columns[0].default, false)]
.concat(new Array(param.columns.length - 1)));
}
}
request.input(param.name, type);
} else {
if (!param.default || hasValue) {
request.input(param.name, type, value);
}
}
}
});
if ($meta.saveAs) {
var filename = typeof $meta.saveAs === 'string' ? $meta.saveAs : $meta.saveAs.filename;
if (path.isAbsolute(filename)) {
throw errors.absolutePath();
}
let baseDir = path.join(this.bus.config.workDir, 'ut-port-sql', 'export');
let newFilename = path.resolve(baseDir, filename);
if (!newFilename.startsWith(baseDir)) {
return Promise.reject(errors.invalidFileLocation());
}
return new Promise((resolve, reject) => {
fsplus.makeTree(path.dirname(newFilename), (err) => {
if (!err || err.code === 'EEXIST') {
return resolve();
}
return reject(err);
});
})
.then(function(resolve, reject) {
request.stream = true;
let ws = fs.createWriteStream(newFilename);
saveAs(request, $meta.saveAs).pipe(ws);
request.execute(name);
return new Promise(function(resolve, reject) {
ws.on('finish', function() {
return resolve({outputFilePath: newFilename});
});
ws.on('error', function(err) {
return reject(err);
});
});
});
}
return request.execute(name)
.then(function(result) {
let promise = Promise.resolve();
result.recordsets.forEach(function(resultset) {
let xmlColumns = Object.keys(resultset.columns)
.reduce(function(columns, column) {
if (resultset.columns[column].type.declaration === 'xml') {
columns.push(column);
}
return columns;
}, []);
if (xmlColumns.length) {
resultset.forEach(function(record) {
xmlColumns.forEach(function(key) {