Fix #68 by detecting and comparing hash of local cache

Fix #76 by detecting when CIG is releasing new hangar features

src/web_resources/HangarXPLOR.LoadCache.js

@@ -7,7 +7,9 @@ HangarXPLOR.LoadCache = function(callback)
 
   chrome.storage.local.get(null, (cache) => {
 
-    if (HangarXPLOR._cacheHash == HangarXPLOR._activeHash && cache['cache:count'] > 0)
+    if (HangarXPLOR._cacheHash == HangarXPLOR._activeHash &&
+        cache['cache:hash'] == HangarXPLOR._cacheHash &&
+        cache['cache:count'] > 0)
     {
       HangarXPLOR._fromCache = true;
 

src/web_resources/HangarXPLOR.LoadSettings.js

@@ -13,6 +13,7 @@ HangarXPLOR.LoadSettings = function(callback)
     HangarXPLOR._pageCount = settings._pageCount || 10;
     HangarXPLOR._logEnabled = settings._logEnabled || false;
     HangarXPLOR._cacheHash = settings._cacheHash || 0;
+    HangarXPLOR._cacheSalt = settings._cacheSalt || btoa(Math.random());
 
     HangarXPLOR._feature          = HangarXPLOR._feature       || {};
     HangarXPLOR._feature.LTI      = settings._feature_LTI      || '';

src/web_resources/HangarXPLOR.SaveCache.js

@@ -12,6 +12,7 @@ HangarXPLOR.SaveCache = function(callback)
   });
 
   cacheItems['cache:count'] = HangarXPLOR._raw.length;
+  cacheItems['cache:hash'] = HangarXPLOR._activeHash;
 
   delete HangarXPLOR._raw;
 

src/web_resources/HangarXPLOR.SaveSettings.js

@@ -13,6 +13,7 @@ HangarXPLOR.SaveSettings = function()
   settings._pageCount        = HangarXPLOR._pageCount || 10;
   settings._logEnabled       = HangarXPLOR._logEnabled || false;
   settings._cacheHash        = HangarXPLOR._cacheHash || 0;
+  settings._cacheSalt        = HangarXPLOR._cacheSalt || btoa(Math.random());
 
   settings._feature_LTI      = HangarXPLOR._feature.LTI      || '';
   settings._feature_Warbond  = HangarXPLOR._feature.Warbond  || '';

src/web_resources/HangarXPLOR.js

@@ -9,6 +9,7 @@ HangarXPLOR._upgradeCount  = HangarXPLOR._upgradeCount || 0;
 HangarXPLOR._giftableCount = HangarXPLOR._giftableCount || 0;
 HangarXPLOR._packageCount  = HangarXPLOR._packageCount || 0;
 HangarXPLOR._ltiCount      = HangarXPLOR._ltiCount || 0;
+HangarXPLOR._cacheSalt     = HangarXPLOR._cacheSalt || btoa(Math.random());
 
 var RSI = RSI || {};
 
@@ -26,7 +27,14 @@ HangarXPLOR.Initialize = function()
       HangarXPLOR.UpdateStatus(0);
 
       RSI.Api.Account.pledgeLog((payload) => {
-        HangarXPLOR._activeHash = payload.data.rendered.length + ':' + payload.data.rendered.substr(39, 20);
+
+        var today = new Date().toISOString();
+        var safetySalt = '';
+
+        // CIG Released ship naming in March 2021, which requires us to invalidate cache
+        if (today.substr(0, 7) == '2021-03') safetySalt = today.substr(0, 13) + ':';
+
+        HangarXPLOR._activeHash = safetySalt + payload.data.rendered.length + ':' + btoa(payload.data.rendered.substr(39, 20)) + ':' + HangarXPLOR._cacheSalt;
 
         HangarXPLOR.LoadCache(HangarXPLOR.LoadPage);
       });