wa-chat-server
Version:
Watson Assistant powered chat server
163 lines (162 loc) • 6.71 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConversationServices = void 0;
const filesystem = __importStar(require("fs"));
class ConversationServices {
constructor(serviceArray = [], fs = filesystem, config) {
this.serviceArray = serviceArray;
this.fs = fs;
this.config = config;
this.schemasOnFS = null;
this.initServiceMap(serviceArray);
}
addServices(...services) {
this.initServiceMap([...this.services.values(), ...services]);
return this;
}
getObligatorySchemas() {
return new Set([].concat(...[...this.services.values()].map(s => s.getObligatorySchemas())));
}
getOptionalSchemas() {
return new Set([].concat(...[...this.services.values()].map(s => s.getOptionalSchemas())));
}
absolutePath(path) {
// TODO: The implementation of this method should rather make use of
// path.normalize(). However for me it is throwing some strange exception
// related to utf conversion (jan_nemecek@cz.ibm.com)
const dir = 'JSON_SCHEMA_DIR' in this.config
? this.config.JSON_SCHEMA_DIR
: `${this.config.APP_ROOT_DIR}/../src/jsonschema`;
const parts = `${dir}/${path}`
.split('/')
.filter((part) => part !== '' && part !== '.');
return ('/' +
parts
.reduce((result, part) => {
if (part == '..') {
result.pop();
}
else {
result.push(part);
}
return result;
}, [])
.join('/'));
}
getSchemasOnFS() {
return __awaiter(this, void 0, void 0, function* () {
if (this.schemasOnFS === null) {
this.schemasOnFS = new Set();
const dirs = ['request', 'response'].map((path) => this.absolutePath(path));
yield Promise.all(dirs.map((dirPath) => {
return (() => __awaiter(this, void 0, void 0, function* () {
const files = yield this.fs.promises.readdir(dirPath);
files.forEach((f) => {
if (/\.json$/.test(f)) {
this.schemasOnFS.add(`${dirPath}/${f}`);
}
});
}))();
}));
}
return this.schemasOnFS;
});
}
isSchemaOnFS(path) {
return __awaiter(this, void 0, void 0, function* () {
return (yield this.getSchemasOnFS()).has(path);
});
}
getSchemaAsStr(path) {
return __awaiter(this, void 0, void 0, function* () {
return this.fs.promises.readFile(path, { encoding: 'utf8' });
});
}
/**
* Regístters all conversation services present on the filesystem
*/
registerAllServices() {
return __awaiter(this, void 0, void 0, function* () {
const dirName = 'src/class/ConversationService';
const files = yield this.fs.promises.readdir(dirName);
yield Promise.all(files.map((f) => {
return (() => __awaiter(this, void 0, void 0, function* () {
if (/ConversationService[^.]+\.ts$/.test(f)) {
const serviceName = f.replace(/^ConversationService(.*)\.ts$/, '$1');
yield this.registerService(serviceName);
}
}))();
}));
});
}
/**
* Registers the service by name; the name is entered without the class name
* prefix 'ConversationService'
*/
registerService(serviceName) {
return __awaiter(this, void 0, void 0, function* () {
const className = `ConversationService${serviceName}`;
const path = `./ConversationService/${className}`;
yield Promise.resolve(`${path}`).then(s => __importStar(require(s))).then((code) => {
const service = new code[className](this);
this.services.set(serviceName, service);
});
});
}
getServiceByName(serviceName) {
return this.services.get(serviceName);
}
getServices() {
return [...this.services.values()];
}
initServiceMap(serviceArray) {
this.services = new Map();
serviceArray.forEach((service) => {
this.services.set(service.getServiceName(), service);
service.setServices(this);
});
}
}
exports.ConversationServices = ConversationServices;