lib/services/FeatureFlagService.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.FeatureFlagService = void 0;
const GeneralConstants_1 = require("../Constants/GeneralConstants");
const util = __importStar(require("../Utils/CommonUtils"));
const UtilModels_1 = require("../models/UtilModels");
const FetchUtil = __importStar(require("../Utils/FetchUtils"));
class FeatureFlagService {
    constructor(authContext) {
        this.featureFlagCache = {};
        this.authContext = authContext;
    }
    getFeatureFlagAsync(flag_1, baseUrl_1) {
        return __awaiter(this, arguments, void 0, function* (flag, baseUrl, useCache = true) {
            if (useCache && flag in this.featureFlagCache) {
                return { featureFlag: flag, enabled: this.featureFlagCache[flag.toString()] };
            }
            let uri = (new URL(GeneralConstants_1.APIRoute.FeatureFlags(flag.toString()), baseUrl)).toString();
            let headers = this.authContext.getDataPlaneHeader(UtilModels_1.FetchCallType.get);
            let flagResponse = yield FetchUtil.httpClientRetries(uri, headers, UtilModels_1.FetchCallType.get, 3, "", false, false);
            try {
                let flagObj = (yield util.getResultObj(flagResponse));
                this.featureFlagCache[flag.toString()] = flagObj.enabled;
                return flagObj;
            }
            catch (error) {
                // remove item from dict
                // handle in case getFlag was called with cache true once and then with cache false, and failed during second call
                // remove the item from cache so that it can be fetched again rather than using old value
                delete this.featureFlagCache[flag.toString()];
                return null;
            }
        });
    }
    isFeatureEnabledAsync(flag_1, baseUrl_1) {
        return __awaiter(this, arguments, void 0, function* (flag, baseUrl, useCache = true) {
            let flagObj = yield this.getFeatureFlagAsync(flag, baseUrl, useCache);
            return flagObj ? flagObj.enabled : false;
        });
    }
}
exports.FeatureFlagService = FeatureFlagService;