find matching real estates for new search request and notify

app/services/notificationService.js

@@ -1,5 +1,8 @@
 "use strict";
-const { matchRealEstates } = require("../services/searchMatchService");
+const {
+  matchRealEstates,
+  matchSearchRequest
+} = require("../services/searchMatchService");
 const {
   generateNotificationEmail,
   generateNewSearchRequestEmail
@@ -8,6 +11,24 @@ const { sendEmail } = require("../services/emailService");
 
 const notifyForNewRealEstates = async newRealEstates => {
   const matches = await matchRealEstates(newRealEstates);
+  await notifyMatches(matches);
+};
+
+const notifyForNewSearchRequest = async searchRequest => {
+  const matches = await matchSearchRequest(searchRequest);
+
+  const searchRequestId = searchRequest.id;
+  const matchingRealEstates = matches[searchRequestId].realEstates;
+
+  const emailContent = generateNewSearchRequestEmail(
+    searchRequest,
+    matchingRealEstates
+  );
+  const { email } = searchRequest;
+  await sendEmail(email, "Market Alert", emailContent);
+};
+
+const notifyMatches = async matches => {
   const searchRequestsToNotify = Object.keys(matches);
 
   const asyncSendEmailActions = [];
@@ -27,12 +48,6 @@ const notifyForNewRealEstates = async newRealEstates => {
   await Promise.all(asyncSendEmailActions);
 };
 
-const notifyForNewSearchRequest = async searchRequest => {
-  const emailContent = generateNewSearchRequestEmail(searchRequest);
-  const { email } = searchRequest;
-  await sendEmail(email, "Market Alert", emailContent);
-};
-
 module.exports = {
   notifyForNewRealEstates,
   notifyForNewSearchRequest

app/services/searchMatchService.js

@@ -3,7 +3,9 @@
 const {
   findSearchRequestsForRealEstate
 } = require("../helpers/db/searchRequest");
+const { findRealEstatesForSearchRequest } = require("../helpers/db/realEstate");
 const { addMatches } = require("../helpers/db/searchRequestMatch");
+const { MAX_REAL_ESTATES_IN_FIRST_EMAIL } = require("../config/appConfig");
 
 const matchRealEstates = async realEstates => {
   if (Array.isArray(realEstates)) {
@@ -40,6 +42,35 @@ const matchRealEstates = async realEstates => {
   }
 };
 
-module.exports = {
-  matchRealEstates
+const matchSearchRequest = async searchRequest => {
+  const { id: searchRequestId } = searchRequest;
+
+  const realEstates = await findRealEstatesForSearchRequest(
+    searchRequest,
+    MAX_REAL_ESTATES_IN_FIRST_EMAIL
+  );
+  const matches = {
+    [searchRequestId]: {
+      searchRequest,
+      realEstates: []
+    }
+  };
+  const matchingRecords = [];
+
+  for (const realEstate of realEstates) {
+    matches[searchRequestId].realEstates.push(realEstate);
+    matchingRecords.push({
+      searchRequestId,
+      realEstateId: realEstate.id,
+      notified: false
+    });
+  }
+
+  await addMatches(matchingRecords);
+  return matches;
+};
+
+module.exports = {
+  matchRealEstates,
+  matchSearchRequest
 };