Implemented username reserve feature

package-lock.json

@@ -12,6 +12,7 @@
         "cors": "^2.8.5",
         "dotenv": "^8.2.0",
         "express": "^4.17.1",
+        "express-formidable": "^1.2.0",
         "mariadb": "^2.5.2",
         "sequelize": "^6.5.0"
       },
@@ -666,6 +667,17 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/express-formidable": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/express-formidable/-/express-formidable-1.2.0.tgz",
+      "integrity": "sha512-w1vXjF3gb50UKTNkFaW8/4rqY4dUrKfZ1sAZzwAF9YxCAgj/29QZsycf71di0GkskrZOAkubk9pvGYfxyAMYiw==",
+      "dependencies": {
+        "formidable": "^1.0.17"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -695,6 +707,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/formidable": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.2.tgz",
+      "integrity": "sha512-V8gLm+41I/8kguQ4/o1D3RIHRmhYFG4pnNyonvua+40rqcEmT4+V71yaZ3B457xbbgCsCfjSPi65u/W6vK1U5Q==",
+      "funding": {
+        "url": "https://ko-fi.com/tunnckoCore/commissions"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -2544,6 +2564,14 @@
         "vary": "~1.1.2"
       }
     },
+    "express-formidable": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/express-formidable/-/express-formidable-1.2.0.tgz",
+      "integrity": "sha512-w1vXjF3gb50UKTNkFaW8/4rqY4dUrKfZ1sAZzwAF9YxCAgj/29QZsycf71di0GkskrZOAkubk9pvGYfxyAMYiw==",
+      "requires": {
+        "formidable": "^1.0.17"
+      }
+    },
     "fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -2567,6 +2595,11 @@
         "unpipe": "~1.0.0"
       }
     },
+    "formidable": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.2.tgz",
+      "integrity": "sha512-V8gLm+41I/8kguQ4/o1D3RIHRmhYFG4pnNyonvua+40rqcEmT4+V71yaZ3B457xbbgCsCfjSPi65u/W6vK1U5Q=="
+    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",

package.json

@@ -23,6 +23,7 @@
     "cors": "^2.8.5",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
+    "express-formidable": "^1.2.0",
     "mariadb": "^2.5.2",
     "sequelize": "^6.5.0"
   },

server/chat/index.js

@@ -1,10 +1,7 @@
 const express = require('express');
 const router = express.Router();
 
-//the routes
+//reserve the name using a pseudonym
-//TODO: import the routes here
+router.post('/reserve', require('./reserve'));
-
-//basic route management
-//TODO: define the routes here
 
 module.exports = router;

server/chat/reserve.js

@@ -0,0 +1,34 @@
+const crypto = require("crypto");
+
+const Sequelize = require('sequelize');
+const Op = Sequelize.Op;
+const { pseudonyms } = require('../database/models');
+
+const route = async (req, res) => {
+	//generate a UUID to act as a pseudonym (starting with a period)
+	const pseudonym = `.${uuid()}`;
+
+	//find or create the record (using the username)
+	const [instance, created] = await pseudonyms.findOrCreate({
+		where: {
+			username: req.fields.username
+		}
+	});
+
+	//save the pseudonym (overwriting existing pseudonyms)
+	const result = await pseudonyms.update({
+		pseudonym: pseudonym
+	},{
+		where: {
+			username: req.fields.username
+		}
+	});
+
+	//OK
+	return res.status(200).send({ pseudonym: pseudonym });
+};
+
+//lazy
+const uuid = (bytes = 16) => crypto.randomBytes(bytes).toString("hex");
+
+module.exports = route;

server/database/models/index.js

@@ -1,3 +1,3 @@
 module.exports = {
-	//TODO: models
+	pseudonyms: require('./pseudonyms')
 };

server/database/models/pseudonyms.js

@@ -0,0 +1,28 @@
+const Sequelize = require('sequelize');
+const sequelize = require('..');
+
+module.exports = sequelize.define('pseudonyms', {
+	id: {
+		type: Sequelize.INTEGER(11),
+		allowNull: false,
+		autoIncrement: true,
+		primaryKey: true,
+		unique: true
+	},
+
+	username: {
+		type: 'varchar(320)',
+		unique: true
+	},
+
+	pseudonym: {
+		type: 'varchar(320)',
+		unique: true
+	},
+
+	deletion: {
+		type: 'DATETIME',
+		allowNull: true,
+		defaultValue: null
+	}
+});

server/server.js

@@ -5,10 +5,12 @@ require('dotenv').config();
 const express = require('express');
 const app = express();
 const server = require('http').Server(app);
+const formidable = require('express-formidable');
 const bodyParser = require('body-parser');
 const cors = require('cors');
 
 //config
+app.use(formidable());
 app.use(bodyParser.json());
 app.use(cors());