better timestamps, adapt default config

lib/db/index.js

@@ -5,6 +5,8 @@
  * Created by Timo Hocker <timo@scode.ovh>, August 2020
  */
 
+/* eslint-disable no-sync */
+
 'use strict';
 
 const knex = require ('knex');
@@ -13,14 +15,15 @@ const fs = require ('fs');
 let db = null;
 
 async function init (use_fake_seed) {
-  // eslint-disable-next-line no-sync
-  if (use_fake_seed && fs.existsSync ('db.sqlite'))
-    // eslint-disable-next-line no-sync
-    fs.unlinkSync ('db.sqlite');
+  if (!fs.existsSync ('data'))
+    fs.mkdirSync ('data');
+
+  if (use_fake_seed && fs.existsSync ('data/db.sqlite'))
+    fs.unlinkSync ('data/db.sqlite');
 
   db = knex ({
     client:           'sqlite',
-    connection:       { filename: 'db.sqlite' },
+    connection:       { filename: 'data/db.sqlite' },
     migrations:       { directory: 'migrations' },
     seeds:            { directory: 'seeds' },
     useNullAsDefault: true

seeds/fake.js

@@ -22,9 +22,9 @@ async function create_app (knex) {
 
 function create_log (index, simplex) {
   const data = {
-    num1: faker.random.number (),
-    num2: simplex.noise2D (index * 0.1, 0),
-    num3: simplex.noise2D (index * 0.1, 1000)
+    light:       faker.random.number (),
+    temperature: simplex.noise2D (index * 0.1, 0),
+    humidity:    simplex.noise2D (index * 0.1, 1000)
   };
   return {
     app_id:       faker.random.arrayElement (apps),

src/default.js

@@ -9,6 +9,11 @@ export default {
   sources:  [
     {
       name:   'default',
+      limit:  140,
+      offset: 0
+    },
+    {
+      name:   'secondary',
       limit:  10,
       offset: 0
     }
@@ -40,13 +45,11 @@ export default {
       ]
     },
     {
-      source:  'default',
+      source:  'secondary',
       type:    'table',
       columns: [
-        'id',
-        'message',
-        'data',
-        'timestamp'
+        'timestamp',
+        'data'
       ]
     }
   ]

src/store/index.js

@@ -41,6 +41,13 @@ export default new Vuex.Store ({
           .then ((res) => res.json ())
           .then ((json) => json.map ((entry) => {
             entry.data = JSON.parse (entry.data);
+            const time
+            = (/(?<y>[0-9]+-[0-9]+-[0-9]+)T(?<t>[0-9]+:[0-9]+:[0-9]+)/u)
+              .exec (
+                new Date (entry.timestamp)
+                  .toISOString ()
+              );
+            entry.timestamp = `${time.groups.y} ${time.groups.t}`;
             return entry;
           }));
         logs[source.name] = log;