ilp-core/integration-test/ilp-kit/api/src/models/settlement.js

ILP core module managing ledger abstraction

'use strict'

module.exports = SettlementFactory

const _ = require('lodash')
const Container = require('constitute').Container
const Model = require('five-bells-shared').Model
const PersistentModelMixin = require('five-bells-shared').PersistentModelMixin
const Database = require('../lib/db')
const Validator = require('five-bells-shared/lib/validator')
const Sequelize = require('sequelize')
const PeerFactory = require('./peer')
const UserFactory = require('./user')
const SettlementMethodFactory = require('./settlement_method')
const ActivityLogFactory = require('./activity_log')
const ActivityLogsItemFactory = require('./activity_logs_item')

SettlementFactory.constitute = [Database, Validator, Container]
function SettlementFactory (sequelize, validator, container) {
  class Settlement extends Model {
    static convertFromExternal (data) {
      return data
    }

    static convertToExternal (data) {
      delete data.created_at
      delete data.updated_at

      return data
    }

    static convertFromPersistent (data) {
      data = _.omit(data, _.isNull)
      return data
    }

    static convertToPersistent (data) {
      return data
    }
  }

  Settlement.validateExternal = validator.create('Settlement')

  PersistentModelMixin(Settlement, sequelize, {
    id: {
      type: Sequelize.UUID,
      primaryKey: true,
      defaultValue: Sequelize.UUIDV4
    },
    amount: Sequelize.INTEGER,
    currency: Sequelize.STRING
  })

  container.schedulePostConstructor(Peer => {
    Settlement.DbModel.belongsTo(Peer.DbModel)
  }, [ PeerFactory ])

  container.schedulePostConstructor(User => {
    Settlement.DbModel.belongsTo(User.DbModel)
  }, [ UserFactory ])

  // TODO:BEFORE_DEPLOY add ledger transfer_id
  container.schedulePostConstructor(SettlementMethod => {
    Settlement.DbModel.belongsTo(SettlementMethod.DbModel)
  }, [ SettlementMethodFactory ])

  container.schedulePostConstructor(ActivityLog => {
    container.schedulePostConstructor(ActivityLogsItem => {
      Settlement.DbModel.belongsToMany(ActivityLog.DbModel, {
        through: {
          model: ActivityLogsItem.DbModel,
          unique: false,
          scope: {
            item_type: 'settlement'
          }
        },
        foreignKey: 'item_id',
        constraints: false
      })
    }, [ ActivityLogsItemFactory ])
  }, [ ActivityLogFactory ])

  return Settlement
}