Added send notification service, and queried unsent marketalerts, fixed some issues with crawler, and added proper logging

app/helpers/db/dbHelper.js

@@ -1,15 +1,62 @@
 const db = require('../../models/index');
 
-// TODO Fetch only subscribed realestate requests
+/**
+ * Find all subscribed RealEstateRequests 
+ */
 const allRERequest = async () => {
-  return await db.RealEstateRequest.findAll();
+    return await db.RealEstateRequest.findAll({
+        where: {
+            subscribed: true
+        }
+      });
 }
 
-const findPointInsideBoundingBox = async (latLng) => {
-  return await db.sequelize.query("SELECT * FROM \"RealEstateRequests\" WHERE ST_Contains(\"RealEstateRequests\".bounding_box, ST_GEOMFROMTEXT(\'POINT (" + latLng[0] + " " + latLng[1]+ ")\'))");
+
+/**
+ * Find all unnotified marketalerts, and order them by email
+ * 
+ * @param notified bolean
+ * 
+ * @returns array of MarketAlerts
+ */
+const allMarketAlerts = async (notified) => {
+
+    let queryObject = {
+        order: [
+            ['email', 'DESC'],
+        ]
+    }
+
+    if (notified){
+        queryObject.where = {
+            notified: notified
+        }
+    }
+    return await db.MarketAlert.findAll(queryObject);
+
+    //     return await db.MarketAlerts.findAll({
+    //     where: {
+    //         notified: notified
+    //     },
+    //     order: [
+    //         ['email', 'DESC'],
+    //     ]
+    //   });
+  }
+  
+/**
+ * Find all unnotified marketalerts 
+ *  @param latLng array
+ *  @param email strig
+ * 
+ * @returns array of MarketAlerts
+ */
+const findPointInsideBoundingBox = async (latLng, email) => {
+  return await db.sequelize.query(`SELECT * FROM "RealEstateRequests" WHERE email = '${email}' AND subscribed = true AND ST_Contains("RealEstateRequests".bounding_box, ST_GEOMFROMTEXT('POINT (${latLng[0]} ${latLng[1]})'))`);
 }
 
 module.exports = {
   allRERequest,
+  allMarketAlerts,
   findPointInsideBoundingBox
 };