Refacor and increase number of stats

Signed-off-by: Fred Boniface <fred@fjla.uk>

src/services/dbAccess.services.js

@@ -73,11 +73,21 @@ async function delRegReq(uuid) {
   col.deleteOne({uuid: uuid});
 }
 
+async function colCount(collection) {
+  log.out(`dbAccess.colCount: Counting entries in collection: ${collection}`);
+  await client.connect();
+  let col = db.collection(collection);
+  let count = col.countDocuments();
+  log.out(`dbAccess.colCount: Collection: ${collection} contains ${count} documents`);
+  return await count;
+}
+
 module.exports = {
   query,
   increment, // Probqbly doesn't need exporting? - It does, ldbServices needs to increment when the API is hit!
   addUser,
   userAtime,
   addRegReq,
-  delRegReq
+  delRegReq,
+  colCount
 };

src/services/stats.services.js

@@ -3,19 +3,37 @@ const db     = require('../services/dbAccess.services');
 const os     = require('os');
 const vers   = require('../configs/version.configs');
 
+async function buildJson() {
+  let json = {};
+  json.count = {};
+  // Async call all db queries
+  const counters = db.query('meta', {target: 'counters'});
+  const versions = db.query('meta', {target: 'versions'});
+  const userCount = db.colCount('users');
+  const regCount = db.colCount('registrations');
+  const pisCount = db.colCount('pis');
+  const corpusCount = db.colCount('corpus');
+  const stationsCount = db.colCount('stations');
+  
+  // Insert data
+  json.mode = process.env.NODE_ENV;
+  json.verBkend = vers.app;
+  json.verApi = vers.api;
+  json.hostname = os.hostname();
+  // Await and insert async calls
+  json.dat = await counters;
+  json.ver = await versions;
+  json.count.users = await userCount;
+  json.count.reg = await regCount;
+  json.count.pis = await pisCount;
+  json.count.corpus = await corpusCount;
+  json.count.stations = await stationsCount;
+  return json;
+}
+
 async function hits(){
   log.out('statsServices.hits: Statistics Requested', 'info');
-  var dat = db.query('meta', {target: 'counters'});
+  const out = await buildJson();
-  var ver = db.query('meta', {target: 'versions'});
-  log.out('statsServices.hits: fetched server meta', 'info');
-  let out = {};
-  out.host = os.hostname();
-  // eslint-disable-next-line no-undef
-  out.mode = process.env.NODE_ENV;
-  out.verBkend = vers.app;
-  out.verApi = vers.api;
-  out.dat = await dat;
-  out.ver = await ver;
   log.out(`statsServices.hits: Sending Data: ${JSON.stringify(out)}`, 'info');
   return out;
 }