lamassu-server/lib/admin/accounts.js
2021-07-22 12:15:45 +01:00

133 lines
3.9 KiB
JavaScript

const path = require('path')
const fs = require('fs')
const _ = require('lodash/fp')
const db = require('../db')
const configValidate = require('./config-validate')
const config = require('./config')
function loadSchemas () {
const schemasRoot = path.resolve(__dirname, 'schemas')
const schemaFiles = fs.readdirSync(schemasRoot)
const stripJson = fileName => fileName.slice(0, -5)
const readSchema = fileName => JSON.parse(fs.readFileSync(path.resolve(schemasRoot, fileName)))
return _.zipObject(_.map(stripJson, schemaFiles), _.map(readSchema, schemaFiles))
}
const schemas = loadSchemas()
function fetchAccounts () {
return db.oneOrNone('select data from user_config where type=$1 and schema_version=$2', ['accounts', configValidate.SETTINGS_LOADER_SCHEMA_VERSION])
.then(row => {
// Hard code this for now
const accounts = [{
code: 'blockcypher',
display: 'Blockcypher',
fields: [
{ code: 'confidenceFactor', display: 'Confidence Factor', fieldType: 'integer', required: true, value: 40 }
]
}]
return row
? Promise.resolve(row.data.accounts)
: db.none('insert into user_config (type, data, valid) values ($1, $2, $3)', ['accounts', {accounts}, true])
.then(fetchAccounts)
})
}
function selectedAccounts () {
const mapAccount = v => v.fieldLocator.fieldType === 'account' &&
v.fieldValue.value
const mapSchema = code => schemas[code]
return config.fetchConfig()
.then(conf => {
const accountCodes = _.uniq(conf.map(mapAccount)
.filter(_.identity))
return _.sortBy(_.get('display'), accountCodes.map(mapSchema)
.filter(_.identity))
})
}
function fetchAccountSchema (account) {
return schemas[account]
}
function mergeAccount (oldAccount, newAccount) {
if (!newAccount) return oldAccount
const newFields = newAccount.fields
const updateWithData = oldField => {
const newField = _.find(r => r.code === oldField.code, newFields)
const newValue = _.isUndefined(newField) ? oldField.value : newField.value
return _.set('value', newValue, oldField)
}
const updatedFields = oldAccount.fields.map(updateWithData)
return _.set('fields', updatedFields, oldAccount)
}
function getAccounts (accountCode) {
const schema = fetchAccountSchema(accountCode)
if (!schema) return Promise.reject(new Error('No schema for: ' + accountCode))
return fetchAccounts()
.then(accounts => {
if (_.isEmpty(accounts)) return [schema]
const account = _.find(r => r.code === accountCode, accounts)
const mergedAccount = mergeAccount(schema, account)
return updateAccounts(mergedAccount, accounts)
})
}
function elideSecrets (account) {
const elideSecret = field => {
return field.fieldType === 'password'
? _.set('value', !_.isEmpty(field.value), field)
: field
}
return _.set('fields', account.fields.map(elideSecret), account)
}
function getAccount (accountCode) {
return getAccounts(accountCode)
.then(accounts => _.find(r => r.code === accountCode, accounts))
.then(elideSecrets)
}
function save (accounts) {
return db.none('update user_config set data=$1 where type=$2 and schema_version=$3', [{accounts: accounts}, 'accounts', configValidate.SETTINGS_LOADER_SCHEMA_VERSION])
}
function updateAccounts (newAccount, accounts) {
const accountCode = newAccount.code
const isPresent = _.some(_.matchesProperty('code', accountCode), accounts)
const updateAccount = r => r.code === accountCode
? newAccount
: r
return isPresent
? _.map(updateAccount, accounts)
: _.concat(accounts, newAccount)
}
function updateAccount (account) {
return getAccounts(account.code)
.then(accounts => {
const merged = mergeAccount(_.find(_.matchesProperty('code', account.code), accounts), account)
return save(updateAccounts(merged, accounts))
})
.then(() => getAccount(account.code))
}
module.exports = {
selectedAccounts,
getAccount,
updateAccount
}