Add channels.last_loaded column

package.json

@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.32.1",
+  "version": "3.33.0",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },

src/channel/channel.js

@@ -93,10 +93,10 @@ function Channel(name) {
         if (err && err !== "Channel is not registered") {
             self.emit("loadFail", "Failed to load channel data from the database.  Please try again later.");
             self.setFlag(Flags.C_ERROR);
-            return;
         } else {
             self.initModules();
             self.loadState();
+            db.channels.updateLastLoaded(self.id);
         }
     });
 }

src/database/channels.js

@@ -147,8 +147,8 @@ module.exports = {
             }
 
             db.query("INSERT INTO `channels` " +
-                     "(`name`, `owner`, `time`) VALUES (?, ?, ?)",
-                     [name, owner, Date.now()],
+                     "(`name`, `owner`, `time`, `last_loaded`) VALUES (?, ?, ?, ?)",
+                     [name, owner, Date.now(), new Date()],
                      function (err, res) {
                 if (err) {
                     callback(err, null);
@@ -641,5 +641,20 @@ module.exports = {
         }
 
         db.query("DELETE FROM `channel_bans` WHERE channel=?", [chan], callback);
+    },
+
+    /**
+     * Updates the `last_loaded` column to be the current timestamp
+     */
+    updateLastLoaded: function updateLastLoaded(channelId) {
+        if (channelId <= 0) {
+            return;
+        }
+
+        db.query("UPDATE channels SET last_loaded = ? WHERE id = ?", [new Date(), channelId], error => {
+            if (error) {
+                Logger.errlog.log(`Failed to update last_loaded column for channel ID ${channelId}: ${error}`);
+            }
+        });
     }
 };

src/database/update.js

@@ -3,7 +3,7 @@ var Logger = require("../logger");
 var Q = require("q");
 import Promise from 'bluebird';
 
-const DB_VERSION = 9;
+const DB_VERSION = 10;
 var hasUpdates = [];
 
 module.exports.checkVersion = function () {
@@ -63,6 +63,8 @@ function update(version, cb) {
         addUsernameDedupeColumn(cb);
     } else if (version < 9) {
         populateUsernameDedupeColumn(cb);
+    } else if (version < 10) {
+        addChannelLastLoadedColumn(cb);
     }
 }
 
@@ -388,3 +390,21 @@ function populateUsernameDedupeColumn(cb) {
         })
     });
 }
+
+function addChannelLastLoadedColumn(cb) {
+    db.query("ALTER TABLE channels ADD COLUMN last_loaded TIMESTAMP NOT NULL DEFAULT 0", error => {
+        if (error) {
+            Logger.errlog.log(`Failed to add last_loaded column: ${error}`);
+            return;
+        }
+
+        db.query("ALTER TABLE channels ADD INDEX i_last_loaded (last_loaded)", error => {
+            if (error) {
+                Logger.errlog.log(`Failed to add index on last_loaded column: ${error}`);
+                return;
+            }
+
+            cb();
+        });
+    });
+}