@iredium/butterfly/lib/routes/controller_handler.js

Express API Framework

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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        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) {
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    function verb(n) { return function (v) { return step([n, v]); }; }
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
    for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
        to[j] = from[i];
    return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.controllerHandler = void 0;
var base_error_1 = require("./../errors/base_error");
var base_response_1 = require("./responses/base_response");
var route_model_binding_1 = require("./route_model_binding");
/**
 * Handles controller execution and responds to user (API Express version).
 * @param controller Controller instance.
 * @param method Controller instance method name
 */
var controllerHandler = function (ControllerClass, method) { return function (req, res, next) { return __awaiter(void 0, void 0, void 0, function () {
    var timingMark, controller, params, routeModelBinding, paramRecords, boundParams, controllerResponse, error_1;
    return __generator(this, function (_a) {
        switch (_a.label) {
            case 0:
                timingMark = req['locals']['timingMark'];
                timingMark["butterfly:controller:" + ControllerClass.name + ":start"] = process.hrtime();
                _a.label = 1;
            case 1:
                _a.trys.push([1, 4, 5, 6]);
                controller = new ControllerClass();
                if (!controller[method])
                    throw Error("Controller's action \"" + method + "\" not found");
                controller.init(req['locals']['user']);
                params = req.params;
                routeModelBinding = new route_model_binding_1.RouteModelBinding(params, method);
                return [4 /*yield*/, routeModelBinding.getRouteRecords()];
            case 2:
                paramRecords = _a.sent();
                boundParams = __spreadArray([
                    req
                ], paramRecords);
                return [4 /*yield*/, controller[method].apply(controller, boundParams)];
            case 3:
                controllerResponse = _a.sent();
                if (controllerResponse instanceof base_response_1.BaseResponse) {
                    controllerResponse.executeRender(res);
                }
                else {
                    throw new base_error_1.BaseError('Server Error', 'Response must be an instance of BaseResponse');
                }
                return [3 /*break*/, 6];
            case 4:
                error_1 = _a.sent();
                next(error_1);
                return [3 /*break*/, 6];
            case 5:
                timingMark["butterfly:controller:" + ControllerClass.name + ":end"] = process.hrtime();
                return [7 /*endfinally*/];
            case 6: return [2 /*return*/];
        }
    });
}); }; };
exports.controllerHandler = controllerHandler;