Better connection handling

src/models/climbing-route-rating/route_comments/routeComments.service.ts

@@ -6,12 +6,15 @@ import {RouteComment} from './RouteComment.interface';
  * @return Promise<RouteComment[]> The comments
  */
 export const findByRoute = async (route_id: string): Promise<RouteComment[]> => {
-    let conn = ClimbingRouteRatingDB.getConnection();
-    try {
-        return await conn.query('SELECT comment_id, route_id, comment, timestamp FROM route_comments WHERE route_id = ?', route_id);
-    } catch (err) {
-        throw err;
-    }
+	let conn = await ClimbingRouteRatingDB.getConnection();
+	try {
+		return await conn.query('SELECT comment_id, route_id, comment, timestamp FROM route_comments WHERE route_id = ?', route_id);
+	} catch (err) {
+		throw err;
+	} finally {
+		// Return connection
+		await conn.end();
+	}
 };
 
 /**
@@ -21,12 +24,15 @@ export const findByRoute = async (route_id: string): Promise<RouteComment[]> =>
  * @return number The id of the comment
  */
 export const createComment = async (route_id: string, comment: string): Promise<number> => {
-    let conn = ClimbingRouteRatingDB.getConnection();
-    try {
-        let res = await conn.query('INSERT INTO route_comments (route_id, comment) VALUES (?, ?) RETURNING comment_id', [route_id, comment]);
+	let conn = await ClimbingRouteRatingDB.getConnection();
+	try {
+		let res = await conn.query('INSERT INTO route_comments (route_id, comment) VALUES (?, ?) RETURNING comment_id', [route_id, comment]);
 
-        return res[0].comment_id;
-    } catch (err) {
-        throw err;
-    }
+		return res[0].comment_id;
+	} catch (err) {
+		throw err;
+	} finally {
+		// Return connection
+		await conn.end();
+	}
 };