split per app

lib/api/get-app.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const db = require ('../db');
+const { http } = require ('@sapphirecode/consts');
+
+module.exports = async (req, res) => {
+  const apps = await db.app.get_all ();
+  res.status (http.status_ok)
+    .json (apps);
+};

lib/api/get-log.js

@@ -4,6 +4,15 @@ const db = require ('../db');
 const { http } = require ('@sapphirecode/consts');
 
 module.exports = async (req, res) => {
+  if (
+    typeof req.headers.app_id === 'undefined'
+    || isNaN (parseInt (req.headers.app_id))
+  ) {
+    res.status (http.status_bad_request)
+      .end ();
+  }
+  else {
     res.status (http.status_ok)
-    .json (await db.get_all ());
+      .json (await db.log.get_all (parseInt (req.headers.app_id)));
+  }
 };

lib/api/index.js

@@ -4,5 +4,6 @@ const router = require ('express')
   .Router ();
 
 router.get ('/log', require ('./get-log'));
+router.get ('/app', require ('./get-app'));
 
 module.exports = router;

lib/db/app.js

@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = (get_db) => ({
+  get_all () {
+    const knex = get_db ();
+    return knex ('app')
+      .select ();
+  }
+});

lib/db/index.js

@@ -18,9 +18,11 @@ async function init (use_fake_seed) {
     await db.seed.run ({ specific: 'fake.js' });
 }
 
-function get_all () {
-  return db ('log')
-    .select ();
+function get_db () {
+  return db;
 }
 
-module.exports = { init, get_all };
+const log = require ('./log') (get_db);
+const app = require ('./app') (get_db);
+
+module.exports = { init, log, app };

lib/db/log.js

@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = (get_db) => ({
+  get_all (app_id) {
+    const knex = get_db ();
+    return knex.select (
+      'id',
+      'message',
+      'data',
+      'timestamp'
+    )
+      .from ('log')
+      .where ({ app_id });
+  }
+});

migrations/00000-init.js

@@ -1,15 +1,29 @@
 'use strict';
 
-async function up (knex) {
+async function create_app (knex) {
+  await knex.schema.createTable ('app', (table) => {
+    table.increments ('id');
+    table.string ('name');
+  });
+}
+
+async function create_log (knex) {
   await knex.schema.createTable ('log', (table) => {
     table.increments ('id');
-    table.string ('app');
+    table.integer ('app_id')
+      .references ('id')
+      .inTable ('app');
     table.string ('message');
     table.json ('data');
     table.timestamp ('timestamp');
   });
 }
 
+async function up (knex) {
+  await create_app (knex);
+  await create_log (knex);
+}
+
 function down () {
   // noop
 }

seeds/fake.js

@@ -3,6 +3,16 @@
 const faker = require ('faker');
 const sn = require ('simplex-noise');
 
+const apps = [];
+
+async function create_app (knex) {
+  const [ id ] = await knex ('app')
+    .insert (
+      { name: faker.random.word () }
+    );
+  apps.push (id);
+}
+
 function create_log (index, simplex) {
   const data = {
     num1: faker.random.number (),
@@ -10,7 +20,7 @@ function create_log (index, simplex) {
     num3: simplex.noise2D (index * 0.1, 1000)
   };
   return {
-    app:       faker.random.word (),
+    app_id:       faker.random.arrayElement (apps),
     message:   faker.random.words (),
     data:      JSON.stringify (data),
     timestamp: faker.date.recent ()
@@ -18,14 +28,21 @@ function create_log (index, simplex) {
 }
 
 async function seed (knex) {
+  await knex ('log')
+    .del ();
+  await knex ('app')
+    .del ();
+
   // eslint-disable-next-line no-console
   console.log ('creating seeds');
+  for (let i = 0; i < 5; i++)
+    // eslint-disable-next-line no-await-in-loop
+    await create_app (knex);
+
   const simplex = (new sn);
   const log = (Array (20))
     .fill (() => null)
     .map ((a, index) => create_log (index, simplex));
-  await knex ('log')
-    .del ();
 
   await knex.batchInsert ('log', log, 10);
 }

src/router/index.js

@@ -11,10 +11,16 @@ import Vue from 'vue';
 import VueRouter from 'vue-router';
 import AppView from '../views/AppView.vue';
 import NotFound from '../views/NotFound.vue';
+import Home from '../views/Home.vue';
 
 Vue.use (VueRouter);
 
 const routes = [
+  {
+    path:      '/',
+    name:      'Home',
+    component: Home
+  },
   {
     path:      '/app/:id',
     name:      'AppView',

src/store/index.js

@@ -18,8 +18,8 @@ export default new Vuex.Store ({
     }
   },
   actions:   {
-    async get_log ({ commit }) {
-      const log = await fetch ('/log')
+    async get_log ({ commit }, { app_id }) {
+      const log = await fetch ('/log', { headers: { app_id } })
         .then ((res) => res.json ());
       commit ('set_log', log);
     }

src/views/AppView.vue

@@ -42,7 +42,7 @@ export default {
     ...Vuex.mapState ({ log: (state) => state.log })
   },
   mounted () {
-    this.get_log ();
+    this.get_log ({ app_id: this.$route.params.id });
     document.body.addEventListener ('keydown', (ev) => {
       if (ev.key === 's' && ev.ctrlKey) {
         this.save_config ();

src/views/Home.vue

@@ -0,0 +1,29 @@
+<template>
+  <ul>
+    <li
+      v-for="(app,key) in apps"
+      :key="key"
+    >
+      <a
+        :href="'/app/' + app.id"
+        v-text="app.name"
+      />
+    </li>
+  </ul>
+</template>
+
+<script>
+export default {
+  data () {
+    return { apps: [] };
+  },
+  async mounted () {
+    this.apps = await fetch ('/app')
+      .then ((res) => res.json ());
+  }
+};
+</script>
+
+<style>
+
+</style>