@scvo/router-task-mysql
Version:
SCVO=>Router task for MySQL
124 lines • 6.24 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
/* tslint:disable:no-any */
var hbs = require('clayhandlebars')();
var mysql = require("mysql");
var router_1 = require("@scvo/router");
var MySQLRouterTask = /** @class */ (function (_super) {
__extends(MySQLRouterTask, _super);
function MySQLRouterTask(connectionConfigs, handlebarsHelpers) {
var _this = _super.call(this) || this;
_this.connectionConfigs = connectionConfigs;
_this.name = 'mysql';
router_1.Helpers.register(hbs);
Object.keys(handlebarsHelpers).forEach(function (name) {
hbs.registerHelper(name, handlebarsHelpers[name]);
});
return _this;
}
MySQLRouterTask.prototype.execute = function (routeMatch, task) {
return __awaiter(this, void 0, void 0, function () {
var data, config, connectionConfig, connection, queryTemplateNames, q, queryTemplateName, queryTemplate, _a, _b, err_1;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
data = {};
config = task.config;
connectionConfig = this.connectionConfigs[config.connectionName];
connection = mysql.createConnection(connectionConfig);
connection.connect();
queryTemplateNames = Object.keys(config.queryTemplates);
q = 0;
_c.label = 1;
case 1:
if (!(q < queryTemplateNames.length)) return [3 /*break*/, 6];
queryTemplateName = queryTemplateNames[q];
queryTemplate = config.queryTemplates[queryTemplateName];
_c.label = 2;
case 2:
_c.trys.push([2, 4, , 5]);
_a = data;
_b = queryTemplateName;
return [4 /*yield*/, this.executeQuery(routeMatch, connection, queryTemplate)];
case 3:
_a[_b] =
_c.sent();
return [3 /*break*/, 5];
case 4:
err_1 = _c.sent();
throw err_1;
case 5:
++q;
return [3 /*break*/, 1];
case 6:
connection.end();
return [2 /*return*/, data];
}
});
});
};
MySQLRouterTask.prototype.executeQuery = function (routeMatch, connection, queryTemplate) {
return new Promise(function (resolve, reject) {
var template = hbs.compile(queryTemplate);
var query = template(routeMatch);
console.log('About to execute query:', query);
connection.query(query, function (error, results, fields) {
if (error) {
return reject(error);
}
else {
return resolve(results);
}
});
});
};
return MySQLRouterTask;
}(router_1.RouterTask));
exports.MySQLRouterTask = MySQLRouterTask;
/* tslint:enable:no-any */
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