refactor migration

lib/apply-defaults.js

@@ -0,0 +1,48 @@
+const assert = require('assert')
+const _ = require('lodash/fp')
+
+const settingsLoader = require('../lib/settings-loader')
+const schema = require('../lamassu-schema.json')
+const newFields = []
+
+const DEFAULT_CRYPTO = _.first(_.find(['code', 'cryptoCurrencies'], schema.fields).default)
+
+assert(DEFAULT_CRYPTO)
+
+module.exports = {run}
+
+function run () {
+  return Promise.resolve()
+  .then(() => {
+    schema.groups.forEach(group => {
+      return group.fields.forEach(fieldCode => {
+        const field = schema.fields.find(r => r.code === fieldCode)
+        if (!field) throw new Error('No such field: ' + fieldCode)
+        if (_.isNil(field.default)) return
+        if (group.machineScope === 'specific') return
+
+        const crypto = group.cryptoScope === 'specific'
+        ? DEFAULT_CRYPTO
+        : 'global'
+
+        return newFields.push({
+          fieldLocator: {
+            fieldScope: {
+              crypto,
+              machine: 'global'
+            },
+            code: fieldCode,
+            fieldType: field.fieldType,
+            fieldClass: field.fieldClass
+          },
+          fieldValue: {
+            fieldType: field.fieldType,
+            value: field.default
+          }
+        })
+      })
+    })
+
+    return settingsLoader.save(newFields)
+  })
+}