realm-object-server
Version:
143 lines • 6.74 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const Server_1 = require("../Server");
const ConfigurationRealm_1 = require("../realms/ConfigurationRealm");
const util_1 = require("../shared/util");
const decorators_1 = require("../decorators");
const RealmProblem_1 = require("../errors/RealmProblem");
const deepmerge = require("deepmerge");
class ConfigurableServiceBase {
constructor(staticConfig) {
this.staticConfig = staticConfig;
}
start(server) {
return __awaiter(this, void 0, void 0, function* () {
this.server = server;
this.configurationRealm = yield server.openRealm(ConfigurationRealm_1.ConfigurationRealm);
const name = this.constructor.name;
const runtimeConfigs = this.configurationRealm.objects("ServiceConfig").filtered("serviceName = $0", name);
let runtimeConfig = runtimeConfigs[0];
if (!runtimeConfig || runtimeConfig.version < this.staticConfig.version) {
yield util_1.writeAsync(this.configurationRealm, () => {
runtimeConfig = this.configurationRealm.create("ServiceConfig", {
serviceName: name,
config: JSON.stringify({}),
version: 0,
}, true);
});
}
this.setConfig(runtimeConfig);
yield this.startCore(server);
this.hasStarted = true;
runtimeConfigs.addListener((collection, changes) => {
const containsChanges = changes.modifications.length ||
changes.insertions.length;
const newConfig = collection[0];
if (containsChanges && newConfig) {
this.server.logger.detail(`Update service ${newConfig.serviceName} due to config change. OldConfig: ${JSON.stringify(this.staticConfig)}. NewConfig: ${newConfig.config}`);
try {
this.setConfig(newConfig);
}
catch (err) {
this.server.logger.error(`Failed to start service ${newConfig.serviceName} with config ${newConfig.config}. Error: ${err.stack}`);
}
}
});
});
}
stop() {
return __awaiter(this, void 0, void 0, function* () {
if (this.configurationRealm) {
this.configurationRealm.close();
delete this.configurationRealm;
}
yield this.stopCore();
});
}
updateServiceConfig(req, config) {
return __awaiter(this, void 0, void 0, function* () {
if (!this.server.tokenValidator.isAdminToken(req.authToken)) {
throw new RealmProblem_1.AccessDenied();
}
yield util_1.writeAsync(this.configurationRealm, () => {
this.configurationRealm.create("ServiceConfig", {
serviceName: this.constructor.name,
config: config ? JSON.stringify(config) : null,
}, true);
});
return {};
});
}
getServiceConfig(req) {
return __awaiter(this, void 0, void 0, function* () {
if (!this.server.tokenValidator.isAdminToken(req.authToken)) {
throw new RealmProblem_1.AccessDenied();
}
const runtimeConfig = this.configurationRealm.objectForPrimaryKey("ServiceConfig", this.constructor.name);
if (runtimeConfig) {
return JSON.parse(runtimeConfig.config);
}
return {};
});
}
setConfig(config) {
let mergedConfig;
if (config) {
const runtimeConfig = JSON.parse(config.config);
mergedConfig = deepmerge(this.staticConfig, runtimeConfig);
}
else {
mergedConfig = this.staticConfig;
}
this.setConfigCore(mergedConfig);
}
}
__decorate([
decorators_1.Start(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Server_1.Server]),
__metadata("design:returntype", Promise)
], ConfigurableServiceBase.prototype, "start", null);
__decorate([
decorators_1.Stop(),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", Promise)
], ConfigurableServiceBase.prototype, "stop", null);
__decorate([
decorators_1.Put("/serviceConfig"),
__param(0, decorators_1.Request()),
__param(1, decorators_1.Body("config")),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object, Object]),
__metadata("design:returntype", Promise)
], ConfigurableServiceBase.prototype, "updateServiceConfig", null);
__decorate([
decorators_1.Get("/serviceConfig"),
__param(0, decorators_1.Request()),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", Promise)
], ConfigurableServiceBase.prototype, "getServiceConfig", null);
exports.ConfigurableServiceBase = ConfigurableServiceBase;
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