novel-opds-now/lib/store/downloadEpubRace.js

按需生成 epub，此模組不使用排程任務來生成 epub

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.downloadEpubRace = exports.fetchEpubAll = void 0;
const tslib_1 = require("tslib");
const util_1 = require("fetch-ipfs/util");
const race_1 = (0, tslib_1.__importDefault)(require("fetch-ipfs/race"));
const bluebird_1 = (0, tslib_1.__importDefault)(require("bluebird"));
const use_1 = require("../ipfs/use");
const util_2 = require("./fetch/util");
const fetchEpub_1 = require("./fetch/fetchEpub");
const make_url_list_1 = (0, tslib_1.__importDefault)(require("@lazy-ipfs/make-url-list"));
const multiaddr_1 = require("ipfs-util-lib/lib/api/multiaddr");
const abort_controller_timer_1 = (0, tslib_1.__importDefault)(require("abort-controller-timer"));
async function fetchEpubAll(ipfs_href, timeout, options) {
    var _a, _b, _c;
    var _d, _e;
    const cid = (0, util_1.handleCID)(ipfs_href, true, options);
    let ipfs = (0, use_1.getIPFS)().timeout(3 * 1000)
        .catch(e => null);
    let list = (0, make_url_list_1.default)(cid, {
        serverList: [
            await (0, multiaddr_1.ipfsGatewayAddressesLink)(ipfs).catch(e => null),
        ],
    });
    let controller;
    if (timeout) {
        controller = new abort_controller_timer_1.default(timeout);
        options !== null && options !== void 0 ? options : (options = {});
        (_a = options.fetchOptions) !== null && _a !== void 0 ? _a : (options.fetchOptions = {});
        (_b = (_d = options.fetchOptions).signal) !== null && _b !== void 0 ? _b : (_d.signal = controller.signal);
        (_c = (_e = options.fetchOptions).timeout) !== null && _c !== void 0 ? _c : (_e.timeout = controller.timeout);
    }
    return bluebird_1.default.any(list.map(ipfs_href => (0, fetchEpub_1.fetchEpub)(ipfs_href, timeout, options)))
        .finally(() => controller === null || controller === void 0 ? void 0 : controller.abort());
}
exports.fetchEpubAll = fetchEpubAll;
function downloadEpubRace(ipfs_href, useIPFS, timeout, options) {
    var _a, _b, _c;
    var _d, _e;
    timeout !== null && timeout !== void 0 ? timeout : (timeout = 20 * 60 * 1000);
    let controller;
    if (timeout) {
        controller = new abort_controller_timer_1.default(timeout);
        options !== null && options !== void 0 ? options : (options = {});
        (_a = options.fetchOptions) !== null && _a !== void 0 ? _a : (options.fetchOptions = {});
        (_b = (_d = options.fetchOptions).signal) !== null && _b !== void 0 ? _b : (_d.signal = controller.signal);
        (_c = (_e = options.fetchOptions).timeout) !== null && _c !== void 0 ? _c : (_e.timeout = controller.timeout);
    }
    return bluebird_1.default.resolve(useIPFS)
        .then(useIPFS => {
        return useIPFS !== null && useIPFS !== void 0 ? useIPFS : (0, use_1.getIPFSFromCache)()
            .then(ipfs => {
            return [
                ipfs,
                ...(0, util_1.lazyRaceServerList)(),
            ];
        });
    })
        .then(useIPFS => {
        return bluebird_1.default.any([
            (0, race_1.default)(ipfs_href, useIPFS, timeout, options),
            fetchEpubAll(ipfs_href, timeout, options),
        ]);
    })
        .tap(util_2.assertEpubByMime)
        .finally(() => controller === null || controller === void 0 ? void 0 : controller.abort());
}
exports.downloadEpubRace = downloadEpubRace;
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