NodeJS source (view on github)

const dashboard = require('@layeredapps/dashboard')
const subscriptions = require('../../../../../index.js')

module.exports = {
  get: async (req) => {
    if (!req.query || !req.query.subscriptionitemid) {
      throw new Error('invalid-subscriptionitemid')
    }
    let subscriptionItem = await dashboard.StorageCache.get(req.query.subscriptionitemid)
    if (!subscriptionItem) {
      const subscriptionItemInfo = await subscriptions.Storage.SubscriptionItem.findOne({
        where: {
          subscriptionitemid: req.query.subscriptionitemid,
          appid: req.appid || global.appid
        }
      })
      if (!subscriptionItemInfo) {
        throw new Error('invalid-subscriptionitemid')
      }
      subscriptionItem = {}
      for (const field of subscriptionItemInfo._options.attributes) {
        subscriptionItem[field] = subscriptionItemInfo.get(field)
      }
      await dashboard.StorageCache.set(req.query.subscriptionitemid, subscriptionItem)
    }
    req.query.subscriptionid = subscriptionItem.subscriptionid
    const subscription = await global.api.user.subscriptions.Subscription.get(req)
    if (!subscription) {
      throw new Error('invalid-subscriptionitemid')
    }
    return subscriptionItem
  }
}

Test source (view on github)

/* eslint-env mocha */
const assert = require('assert')
const TestHelper = require('../../../../../test-helper.js')
const TestStripeAccounts = require('../../../../../test-stripe-accounts.js')

describe('/api/user/subscriptions/subscription-item', function () {
  before(TestHelper.disableMetrics)
  after(TestHelper.enableMetrics)
  describe('exceptions', () => {
    describe('invalid-subscriptionitemid', () => {
      it('missing querystring subscriptionitemid', async () => {
        const user = await TestHelper.createUser()
        const req = TestHelper.createRequest('/api/user/subscriptions/subscription-item')
        req.account = user.account
        req.session = user.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-subscriptionitemid')
      })

      it('invalid querystring subscriptionitemid', async () => {
        const user = await TestHelper.createUser()
        const req = TestHelper.createRequest('/api/user/subscriptions/subscription-item?subscriptionitemid=invalid')
        req.account = user.account
        req.session = user.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-subscriptionitemid')
      })
    })

    describe('invalid-account', () => {
      it('ineligible accessing account', async () => {
        const administrator = await TestStripeAccounts.createOwnerWithPrice()
        const user = await TestStripeAccounts.createUserWithPaidSubscription(administrator.price)
        const user2 = await TestHelper.createUser()
        const req = TestHelper.createRequest(`/api/user/subscriptions/subscription-item?subscriptionitemid=${user.subscription.stripeObject.items.data[0].id}`)
        req.account = user2.account
        req.session = user2.session
        let errorMessage
        try {
          await req.get()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-account')
      })
    })
  })

  describe('returns', () => {
    it('object', async () => {
      const administrator = await TestStripeAccounts.createOwnerWithPrice()
      const user = await TestStripeAccounts.createUserWithPaidSubscription(administrator.price)
      const req = TestHelper.createRequest(`/api/user/subscriptions/subscription-item?subscriptionitemid=${user.subscription.stripeObject.items.data[0].id}`)
      req.account = user.account
      req.session = user.session
      req.filename = __filename
      req.saveResponse = true
      const subscriptionItemNow = await req.get()
      assert.strictEqual(subscriptionItemNow.subscriptionitemid, user.subscription.stripeObject.items.data[0].id)
    })
  })
})