Merge branch 'develop' into main

.gitignore

@@ -88,3 +88,7 @@ fastlane/test_output
 # https://github.com/johnno1962/injectionforxcode
 
 iOSInjectionProject/
+
+# Others
+.DS_Store 
+Backend-node/node_modules

.swiftlint.yml

@@ -0,0 +1,8 @@
+line_length: 140
+type_body_length: 400
+
+disabled_rules:
+- identifier_name 
+- unused_closure_parameter
+- force_cast
+- file_length

Backend-node/.gitignore

@@ -0,0 +1,2 @@
+/node_modules
+.DS_Store

Backend-node/index.js

@@ -0,0 +1,58 @@
+var express     = require("express");
+var app         = express();
+var bodyParser  = require("body-parser");
+var compression = require("compression");
+var morgan      = require("morgan");
+var counters    = require("./lib/counters");
+
+app.use(morgan("combined"));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({extended: true}));
+
+// [json] GET /api/v1/counters
+// => [
+// =>   {id: "asdf", title: "boop",  count: 4},
+// =>   {id: "zxcv", title: "steve", count: 3}
+// => ]
+app.get("/api/v1/counters", function(req, res) {
+  res.json(counters.all())
+});
+
+// [json] POST {title: "bob"} /api/v1/counters
+// => [
+// =>   {id: "asdf", title: "boop",  count: 4},
+// =>   {id: "zxcv", title: "steve", count: 3},
+// =>   {id: "qwer", title: "bob",   count: 0}
+// => ]
+app.post("/api/v1/counter", function(req, res) {
+  res.json(counters.create(req.body.title));
+})
+
+// [json] DELETE {id: "asdf"} /api/v1/counter
+// => [
+// =>   {id: "zxcv", title: "steve", count: 3},
+// =>   {id: "qwer", title: "bob",   count: 0}
+// => ]
+app.delete("/api/v1/counter", function(req, res) {
+  res.json(counters.delete(req.body.id));
+});
+
+// [json] POST {id: "qwer"} /api/v1/counter/inc
+// => [
+// =>   {id: "zxcv", title: "steve", count: 3},
+// =>   {id: "qwer", title: "bob",   count: 1}
+// => ]
+app.post("/api/v1/counter/inc", function(req, res) {
+  res.json(counters.inc(req.body.id));
+});
+
+// [json] POST {id: "zxcv"} /api/v1/counter/dec
+// => [
+// =>   {id: "zxcv", title: "steve", count: 2},
+// =>   {id: "qwer", title: "bob",   count: 1}
+// => ]
+app.post("/api/v1/counter/dec", function(req, res) {
+  res.json(counters.dec(req.body.id));
+});
+
+app.listen(3000, console.log.bind(null, "Listening on TCP port " + 3000));

Backend-node/lib/counters.js

@@ -0,0 +1,37 @@
+var _ = require("lodash");
+var __Counters = {};
+
+module.exports = {
+  all    : getAll,
+  create : create,
+  inc    : applyTo("count", inc),
+  dec    : applyTo("count", dec),
+  delete : del
+};
+
+function genId() {
+  return (+new Date() + ~~(Math.random * 999999)).toString(36);
+}
+
+function getAll() { return _.map(__Counters, _.identity); }
+
+function create(title) {
+  var id = genId();
+  __Counters[id] = {id: id, title: title, count: 0};
+  return getAll();
+}
+
+function del(id) {
+  delete __Counters[id];
+  return getAll();
+}
+
+function applyTo(key, fn) {
+  return function(id) {
+    __Counters[id][key] = fn(__Counters[id][key]);
+    return getAll();
+  }
+}
+
+function inc(n) { return n + 1; }
+function dec(n) { return n - 1; }