Merge pull request #891 from PayButton/feat/get-payments-count

feat: get payments count

Author: Klakurka

pages/api/payments/count/index.ts

@@ -0,0 +1,12 @@
+import { CacheGet } from 'redis/index'
+import { setSession } from 'utils/setSession'
+
+export default async (req: any, res: any): Promise<void> => {
+  if (req.method === 'GET') {
+    await setSession(req, res)
+    const userId = req.session.userId
+
+    const resJSON = await CacheGet.paymentsCount(userId)
+    res.status(200).json(resJSON)
+  }
+}

redis/index.ts

@@ -4,7 +4,7 @@ import { TransactionWithAddressAndPrices } from 'services/transactionService'
 import { fetchUsersForAddress } from 'services/userService'
 import { cacheBalanceForAddress, clearBalanceCache, getBalanceForAddress, updateBalanceCacheFromTx } from './balanceCache'
 import { clearDashboardCache, getUserDashboardData } from './dashboardCache'
-import { appendPaybuttonToAddressesCache, cacheGroupedPayments, cacheManyTxs, generateGroupedPaymentsForAddress, getPaymentList, initPaymentCache, removePaybuttonToAddressesCache } from './paymentCache'
+import { appendPaybuttonToAddressesCache, cacheGroupedPayments, cacheManyTxs, generateGroupedPaymentsForAddress, getCachedPaymentsCountForUser, getPaymentList, initPaymentCache, removePaybuttonToAddressesCache } from './paymentCache'
 import { DashboardData, Payment } from './types'
 
 interface PaybuttonCreationParams {
@@ -84,5 +84,8 @@ export const CacheGet = {
   },
   addressBalance: async (addressString: string): Promise<AddressPaymentInfo> => {
     return await getBalanceForAddress(addressString)
+  },
+  paymentsCount: async (userId: string) => {
+    return await getCachedPaymentsCountForUser(userId)
   }
 }

redis/paymentCache.ts

@@ -8,6 +8,7 @@ import { RESPONSE_MESSAGES, PAYMENT_WEEK_KEY_FORMAT, KeyValueT } from 'constants
 import moment from 'moment'
 import { CacheSet } from 'redis/index'
 import { ButtonDisplayData, Payment } from './types'
+import { getUserDashboardData } from './dashboardCache'
 // ADDRESS:payments:YYYY:MM
 const getPaymentsWeekKey = (addressString: string, timestamp: number): string => {
   return `${addressString}:payments:${moment.unix(timestamp).format(PAYMENT_WEEK_KEY_FORMAT)}`
@@ -112,6 +113,12 @@ export const getCachedPaymentsForUser = async (userId: string): Promise<Payment[
   return allPayments
 }
 
+export const getCachedPaymentsCountForUser = async (userId: string): Promise<number> => {
+  const dashboardData = await getUserDashboardData(userId)
+
+  return dashboardData.total.payments
+}
+
 export const cacheGroupedPayments = async (paymentsGroupedByKey: KeyValueT<Payment[]>): Promise<void> => {
   await Promise.all(
     Object.keys(paymentsGroupedByKey).map(async key =>