Feature/#151 node db intrface

config/knexfile.js

@@ -1,6 +1,8 @@
 'use strict'
 
 const migrationsDirectory = '../migrations'
+const seedsDirectory = './seeds'
+
 const Config = require('../src/lib/config')
 module.exports = {
   client: 'mysql',
@@ -9,5 +11,9 @@ module.exports = {
     directory: migrationsDirectory,
     tableName: 'migration',
     stub: `${migrationsDirectory}/migration.template`
+  },
+  seeds: {
+    directory: seedsDirectory,
+    loadExtensions: ['.js']
   }
 }

migrations/20180418100200_create-currency.js

@@ -2,8 +2,7 @@
 
 exports.up = function(knex, Promise) {
     return knex.schema.createTableIfNotExists('currency', (t) => {
-        t.increments('currencyId').primary().notNullable().notNullable()
-        t.string('code', 3).notNullable()
+        t.string('currencyId', 3).primary().notNullable()
         t.string('name', 128).defaultTo(null).nullable()
     })
 }

migrations/20180418100201_add-currency-indexes.js

@@ -2,14 +2,12 @@
 
 exports.up = function(knex, Promise) {
     return knex.schema.table('currency', (t) => {
-        t.unique('code')
         t.unique('name')
     })
 }
 
 exports.down = function(knex, Promise) {
     return knex.schema.table('currency', (t) => {
-        t.dropUnique('code')
         t.dropUnique('name')
     })
 }

migrations/20180418101100_create-participant.js

@@ -4,7 +4,7 @@ exports.up = function(knex, Promise) {
     return knex.schema.createTableIfNotExists('participant', (t) => {
         t.increments('participantId').primary().notNullable()
 
-        t.integer('currencyId').unsigned().notNullable()
+        t.string('currencyId', 3).notNullable()
         t.foreign('currencyId').references('currencyId').inTable('currency')
 
         t.string('name', 256).notNullable()