Initial refactor (routes and utils to respective folders)

src/routes/getTotalStats.js

@@ -0,0 +1,53 @@
+var db = require('../databases/databases.js').db;
+var request = require('request');
+
+// A cache of the number of chrome web store users
+var chromeUsersCache = null;
+var firefoxUsersCache = null;
+var lastUserCountCheck = 0;
+
+
+module.exports = function getTotalStats (req, res) {
+  let row = db.prepare("SELECT COUNT(DISTINCT userID) as userCount, COUNT(*) as totalSubmissions, " +
+              "SUM(views) as viewCount, SUM((endTime - startTime) / 60 * views) as minutesSaved FROM sponsorTimes WHERE shadowHidden != 1").get();
+
+  if (row !== undefined) {
+      //send this result
+      res.send({
+          userCount: row.userCount,
+          activeUsers: chromeUsersCache + firefoxUsersCache,
+          viewCount: row.viewCount,
+          totalSubmissions: row.totalSubmissions,
+          minutesSaved: row.minutesSaved
+      });
+
+      // Check if the cache should be updated (every ~14 hours)
+      let now = Date.now();
+      if (now - lastUserCountCheck > 5000000) {
+          lastUserCountCheck = now;
+
+          // Get total users
+          request.get("https://addons.mozilla.org/api/v3/addons/addon/sponsorblock/", function (err, firefoxResponse, body) {
+              try {
+                  firefoxUsersCache = parseInt(JSON.parse(body).average_daily_users);
+
+                  request.get("https://chrome.google.com/webstore/detail/sponsorblock-for-youtube/mnjggcdmjocbbbhaepdhchncahnbgone", function(err, chromeResponse, body) {
+                      if (body !== undefined) {
+                          try {
+                              chromeUsersCache = parseInt(body.match(/(?<=\<span class=\"e-f-ih\" title=\").*?(?= users\">)/)[0].replace(",", ""));
+                          } catch (error) {
+                              // Re-check later
+                              lastUserCountCheck = 0;
+                          }
+                      } else {
+                          lastUserCountCheck = 0;
+                      }
+                  });
+              } catch (error) {
+                  // Re-check later
+                  lastUserCountCheck = 0;
+              }
+          });
+      }
+  }
+}