split per app

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);
 }