@mvx/mvc/src/results/FileResult.js

@mvx/mvc is mvc framework on server, base on koa, @tsdi frameworks

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileResult = void 0;
var tslib_1 = require("tslib");
var ioc_1 = require("@tsdi/ioc");
var stream_1 = require("stream");
var fs_1 = require("fs");
var path_1 = require("path");
var ResultValue_1 = require("./ResultValue");
/**
 * controller method return result type of file.
 *
 * @export
 * @class FileResult
 */
var FileResult = /** @class */ (function (_super) {
    tslib_1.__extends(FileResult, _super);
    function FileResult(file, options) {
        var _this = _super.call(this, (options === null || options === void 0 ? void 0 : options.contentType) || 'application/octet-stream') || this;
        _this.file = file;
        _this.options = options;
        return _this;
    }
    FileResult.prototype.sendValue = function (ctx) {
        return tslib_1.__awaiter(this, void 0, void 0, function () {
            var file, confige, filepath;
            return tslib_1.__generator(this, function (_a) {
                file = this.file;
                ctx.type = this.contentType;
                if (this.options && this.options.filename) {
                    ctx.attachment(this.options.filename, this.options.disposition);
                }
                confige = ctx.mvcContext.getConfiguration();
                if (ioc_1.isString(file)) {
                    filepath = (path_1.isAbsolute(file) || !confige.baseURL) ? file : path_1.join(confige.baseURL, file);
                    if (fs_1.existsSync(filepath)) {
                        ctx.body = fs_1.createReadStream(filepath);
                    }
                }
                else if (file instanceof Buffer) {
                    ctx.body = file;
                }
                else if (file instanceof stream_1.Stream) {
                    ctx.body = file;
                }
                return [2 /*return*/];
            });
        });
    };
    FileResult.ρAnn = function () {
        return { "name": "FileResult" };
    };
    return FileResult;
}(ResultValue_1.ResultValue));
exports.FileResult = FileResult;

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