refactor: sql formatting and label rename

lib/plugins.js

@@ -290,19 +290,9 @@ function plugins (settings, deviceId) {
   }
 
   function pruneMachinesHeartbeat () {
-    const sql = `DELETE 
+    const sql = `DELETE FROM machine_network_heartbeat h
-      FROM 
+        USING (SELECT device_id, max(created) as lastEntry FROM machine_network_heartbeat GROUP BY device_id) d
-        machine_network_heartbeat h
+        WHERE d.device_id = h.device_id AND h.created < d.lastEntry`
-      USING (SELECT
-                device_id,
-                max(created) as lastEntry
-              FROM 
-                machine_network_heartbeat
-              GROUP BY 
-                device_id) d
-      WHERE
-          d.device_id = h.device_id
-          AND h.created < d.lastEntry`
     db.none(sql)
   }
 

migrations/1626275844773-add-machine-network-performance.js

@@ -2,14 +2,14 @@ const db = require('./db')
 
 exports.up = function (next) {
   var sql = [
-    'drop table if exists machine_network_heartbeat',
+    'DROP TABLE IF EXISTS machine_network_heartbeat',
-    'drop table if exists machine_network_performance',
+    'DROP TABLE IF EXISTS machine_network_performance',
-    `create table machine_network_performance (
+    `CREATE TABLE machine_network_performance (
         device_id text PRIMARY KEY,
         download_speed numeric NOT NULL,
         created timestamptz NOT NULL default now()
       )`,
-    `create table machine_network_heartbeat (
+    `CREATE TABLE machine_network_heartbeat (
         id uuid PRIMARY KEY,
         device_id text not null,
         average_response_time numeric NOT NULL,

new-lamassu-admin/src/pages/Machines/MachineComponents/Overview.js

@@ -112,7 +112,7 @@ const Overview = ({ data, onActionSuccess }) => {
       </div>
       <div className={classes.row}>
         <div className={classes.rowItem}>
-          <Label3 className={classes.label3}>Loss</Label3>
+          <Label3 className={classes.label3}>Packet Loss</Label3>
           <P>
             {data.packetLoss
               ? new BigNumber(data.packetLoss).toFixed(3).toString() + '  %'

new-lamassu-admin/src/pages/Maintenance/MachineStatus.js

@@ -113,7 +113,7 @@ const MachineStatus = () => {
           : 'unavailable'
     },
     {
-      header: 'Loss',
+      header: 'Packet Loss',
       width: 125,
       size: 'sm',
       textAlign: 'left',