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Add connection to MySQL database

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This commit is contained in:
Pierre HUBERT 2019-11-21 17:35:56 +01:00
parent 9d8f40be9a
commit 15b7b9ac1e
4 changed files with 85 additions and 16 deletions
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50
package-lock.json generated
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@ -4,6 +4,15 @@
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@ -2714,6 +2725,17 @@
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2
package.json
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@ -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",

41
src/helpers/DatabaseHelper.ts Normal file
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@ -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();
});
})
}
}

8
src/main.ts
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@ -1,4 +1,5 @@
import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
import { ConfigurationHelper } from "./helpers/ConfigHelper";
import { DatabaseHelper } from "./helpers/DatabaseHelper";
/**
* Main project script
@ -9,4 +10,7 @@ import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
console.info("Comunic API v6\t@author Pierre HUBERT\t2019-" + new Date().getFullYear());
console.info("Load configuration...");
ConfigurationHelper.loadConf("config.json");
ConfigurationHelper.loadConf("config.json");
console.info("Connect to database");
DatabaseHelper.connect();