From 8fd77fd8dc113e7e477c6897799f166345391d2e Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Sat, 16 Apr 2022 16:15:22 +0800
Subject: [PATCH] 1

---
 server/web3helper/services/baseservice.js | 13 +++++++++++++
 server/web3helper/services/factory.js     | 22 +++++++++++++++++++++-
 server/web3helper/services/present.js     | 10 ++++++++--
 3 files changed, 42 insertions(+), 3 deletions(-)
 create mode 100644 server/web3helper/services/baseservice.js

diff --git a/server/web3helper/services/baseservice.js b/server/web3helper/services/baseservice.js
new file mode 100644
index 0000000..d1eca1f
--- /dev/null
+++ b/server/web3helper/services/baseservice.js
@@ -0,0 +1,13 @@
+class BaseService {
+
+  constructor(session) {
+    this.session = session;
+  }
+
+  getSession() {
+    return this.session;
+  }
+
+}
+
+module.exports = BaseService;
diff --git a/server/web3helper/services/factory.js b/server/web3helper/services/factory.js
index adf60be..6b0317f 100644
--- a/server/web3helper/services/factory.js
+++ b/server/web3helper/services/factory.js
@@ -1,5 +1,25 @@
-function init() {
+const services = {};
 
+function add(clsNames, modName) {
+  const modClass = require('./' + modName);
+  clsNames.forEach((clsName) => {
+    services[clsName] = {
+      'clsName': clsName,
+      'modName': modName,
+      'class': modClass
+    }
+  });
+}
+
+function init() {
+  add(['Present'], 'present');
+  create('Present', null).init();
+}
+
+function create(name, session) {
+  const module = services[name];
+  return new module['class'](session);
 }
 
 exports.init = init;
+exports.create = create;
diff --git a/server/web3helper/services/present.js b/server/web3helper/services/present.js
index adf60be..bd5878d 100644
--- a/server/web3helper/services/present.js
+++ b/server/web3helper/services/present.js
@@ -1,5 +1,11 @@
-function init() {
+const BaseService = require('./baseservice');
+
+class Present extends BaseService {
+
+  async init() {
+
+  }
 
 }
 
-exports.init = init;
+module.exports = Present;