method to attempt to find a portal lat/lng from guid, even if the portal data isn't available (we can also search through links and fields) - minimal testing

added note concerning unfinished/temporary nature of the portal details API

code/portal_data.js

@@ -39,3 +39,43 @@ window.getPortalFields = function(guid) {
 
   return fields;
 }
+
+
+// find the lat/lon for a portal, using any and all available data
+// (we have the list of portals, the cached portal details, plus links and fields as sources of portal locations)
+window.findPortalLatLng = function(guid) {
+  if (window.portals[guid]) {
+    return window.portals[guid].getLatLng();
+  }
+
+  // not found in portals - try the cached (and possibly stale) details - good enough for location
+  var details = portalDetail.get(guid);
+  if (details) {
+    return L.latLng (details.locationE6.latE6/1E6, details.locationE6.lngE6/1E6);
+  }
+
+  // now try searching through fields
+  for (var fguid in window.fields) {
+    var f = window.fields[fguid].options.data;
+
+    for (var i in f.points) {
+      if (f.points[i].guid == guid) {
+        return L.latLng (f.points[i].latE6/1E6, f.points[i].lngE6/1E6);
+      }
+    }
+  }
+
+  // and finally search through links
+  for (var lguid in window.links) {
+    var l = window.links[lguid].options.data;
+    if (l.oGuid == guid) {
+      return L.latLng (l.oLatE6/1E6, l.oLngE6/1E6);
+    }
+    if (l.dGuid == guid) {
+      return L.latLng (l.dLatE6/1E6, l.dLngE6/1E6);
+    }
+  }
+
+  // no luck finding portal lat/lng
+  return undefined;
+}

code/portal_detail.js

@@ -1,6 +1,10 @@
 /// PORTAL DETAIL //////////////////////////////////////
 // code to retrieve the new potal detail data from the servers
 
+// NOTE: the API for portal detailed information is NOT FINAL
+// this is a temporary measure to get things working again after a major change to the intel map
+// API. expect things to change here
+
 
 // anonymous function wrapper for the code - any variables/functions not placed into 'window' will be private
 (function(){