@3kles/3kles-coreion
Version:
3Kles Generic Ion Service
155 lines (153 loc) • 9.19 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(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 (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, 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 });
exports.IonBroker = void 0;
var IonBroker = /** @class */ (function () {
function IonBroker(broker, ionConnector, ionRoute, option) {
this.broker = broker;
this.ionConnector = ionConnector;
this.ionRoute = ionRoute;
this.prefix = (option === null || option === void 0 ? void 0 : option.prefix) || process.env.PREFIX;
this.exchange = this.prefix ? "".concat(this.prefix, ".").concat(((option === null || option === void 0 ? void 0 : option.exchange) || ionConnector.context)) : ((option === null || option === void 0 ? void 0 : option.exchange) || ionConnector.context);
this.queue = (this.prefix && (option === null || option === void 0 ? void 0 : option.queue)) ? "".concat(this.prefix, ".").concat(option === null || option === void 0 ? void 0 : option.queue) : ((option === null || option === void 0 ? void 0 : option.queue) || '');
}
IonBroker.prototype.listen = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.broker.subscribeExchange(this.queue, this.exchange, this.ionRoute.routingKey, 'direct', function (data, ack) { return __awaiter(_this, void 0, void 0, function () {
var ionMessage, response, err_1;
var _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!data) return [3 /*break*/, 7];
_c.label = 1;
case 1:
_c.trys.push([1, 4, , 6]);
ionMessage = this.parseMessage(data.content.toString());
if (!((_b = (_a = this.ionRoute.routes[ionMessage.key]) === null || _a === void 0 ? void 0 : _a.option) === null || _b === void 0 ? void 0 : _b.path)) {
throw new Error("[ION Service]: key ".concat(ionMessage.key, " not exist"));
}
return [4 /*yield*/, this.executeRequest(ionMessage)];
case 2:
response = _c.sent();
return [4 /*yield*/, this.sendResponse(data, response)];
case 3:
_c.sent();
return [3 /*break*/, 6];
case 4:
err_1 = _c.sent();
console.error(err_1);
return [4 /*yield*/, this.sendErrorResponse(data, err_1)];
case 5:
_c.sent();
return [3 /*break*/, 6];
case 6:
ack();
_c.label = 7;
case 7: return [2 /*return*/];
}
});
}); }, { autoDelete: true, durable: false }, { durable: false })];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
IonBroker.prototype.parseMessage = function (message) {
return JSON.parse(message);
};
IonBroker.prototype.executeRequest = function (ionMessage) {
var _a, _b;
return this.ionConnector.executeRequest(this.ionConnector.buildRequest(__assign(__assign(__assign({ path: (_a = this.ionRoute.routes[ionMessage.key]) === null || _a === void 0 ? void 0 : _a.option.path, method: (_b = this.ionRoute.routes[ionMessage.key]) === null || _b === void 0 ? void 0 : _b.method }, (ionMessage.query && { query: ionMessage.query })), (ionMessage.params && { params: ionMessage.params })), (ionMessage.data && { data: JSON.stringify(ionMessage.data) }))));
};
IonBroker.prototype.sendResponse = function (data, response) {
var _a;
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!((_a = data.properties) === null || _a === void 0 ? void 0 : _a.replyTo)) return [3 /*break*/, 2];
return [4 /*yield*/, this.broker.channel.sendToQueue(data.properties.replyTo, Buffer.from(JSON.stringify(response)), {
correlationId: data.properties.correlationId
})];
case 1:
_b.sent();
_b.label = 2;
case 2: return [2 /*return*/];
}
});
});
};
IonBroker.prototype.sendErrorResponse = function (data, error) {
var _a;
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!((_a = data.properties) === null || _a === void 0 ? void 0 : _a.replyTo)) return [3 /*break*/, 2];
return [4 /*yield*/, this.broker.channel.sendToQueue(data.properties.replyTo, Buffer.from(JSON.stringify({ error: (error.message || 'Error with ION') })), {
correlationId: data.properties.correlationId
})];
case 1:
_b.sent();
_b.label = 2;
case 2: return [2 /*return*/];
}
});
});
};
return IonBroker;
}());
exports.IonBroker = IonBroker;
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