Add connection to MySQL database

package-lock.json

@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/mysql": {
+      "version": "2.15.8",
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-      "dev": true
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@@ -2714,6 +2725,17 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
+    "mysql": {
+      "version": "2.17.1",
+      "resolved": "https://registry.npmjs.org/mysql/-/mysql-2.17.1.tgz",
+      "integrity": "sha512-7vMqHQ673SAk5C8fOzTG2LpPcf3bNt0oL3sFpxPEEFp1mdlDcrLK0On7z8ZYKaaHrHwNcQ/MTUz7/oobZ2OyyA==",
+      "requires": {
+        "bignumber.js": "7.2.1",
+        "readable-stream": "2.3.6",
+        "safe-buffer": "5.1.2",
+        "sqlstring": "2.3.1"
+      }
+    },
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@@ -3691,6 +3710,11 @@
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       }
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+    "sqlstring": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
+      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
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@@ -4223,8 +4246,7 @@
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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     "vm-browserify": {
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package.json

@@ -9,9 +9,11 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
+    "mysql": "^2.17.1",
     "typescript": "^3.7.2"
   },
   "devDependencies": {
+    "@types/mysql": "^2.15.8",
     "@types/node": "^12.12.8",
     "nodemon": "^2.0.0",
     "ts-loader": "^6.0.3",

src/helpers/DatabaseHelper.ts

@@ -0,0 +1,41 @@
+import { createConnection, Connection } from "mysql";
+import { conf } from "./ConfigHelper";
+
+/**
+ * Database helper
+ * 
+ * @author Pierre HUBERT
+ */
+
+export class DatabaseHelper {
+
+	private static connection : Connection;
+
+	/**
+	 * Connect to database
+	 */
+	static async connect() {
+		this.connection = createConnection({
+			host: conf().database.host,
+			user: conf().database.user,
+			password: conf().database.password,
+			database: conf().database.dbName
+		});
+
+		await new Promise((resolve, reject) => {
+			this.connection.connect(err => {
+
+				if(err) {
+					console.error("Could not connect to database !");
+					console.error(err);
+					reject(err);
+					return;
+				}
+
+				console.info("Connected to database.");
+				resolve();
+			});
+		})
+	}
+
+}

src/main.ts

@@ -1,4 +1,5 @@
-import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
+import { ConfigurationHelper } from "./helpers/ConfigHelper";
+import { DatabaseHelper } from "./helpers/DatabaseHelper";
 
 /**
  * Main project script
@@ -10,3 +11,6 @@ console.info("Comunic API v6\t@author Pierre HUBERT\t2019-" + new Date().getFull
 
 console.info("Load configuration...");
 ConfigurationHelper.loadConf("config.json");
+
+console.info("Connect to database");
+DatabaseHelper.connect();