Remove mongoose style lookup from fieldguide.js. Update user model.

common/models/user.json

@@ -126,9 +126,8 @@
       "type": "string"
     },
     "sentSlackInvite": {
-      "type": {
-        "type": false
-      }
+      "type": "boolean",
+      "default": false
     },
     "resetPasswordExpires": {
       "type": "string"
@@ -145,10 +144,12 @@
           "completedDate": "string",
           "solution": "string"
         }
-      ]
+      ],
+      "default": []
     },
     "uncompletedCoursewares": {
-      "type": "array"
+      "type": "array",
+      "default": []
     },
     "completedCoursewares": {
       "type": [
@@ -164,7 +165,8 @@
           "githubLink": "string",
           "verified": "boolean"
         }
-      ]
+      ],
+      "default": []
     },
     "completedFieldGuides": {
       "type": []
@@ -217,7 +219,8 @@
       "default": []
     },
     "uncompletedChallenges": {
-      "type": "array"
+      "type": "array",
+      "default": []
     }
   },
   "validations": [],

server/boot/fieldGuide.js

@@ -80,10 +80,9 @@ module.exports = function(app) {
       return res.redirect('/field-guide/how-do-i-use-this-guide');
     }
 
-    var displayedFieldGuides =
-      FieldGuide.find({'id': req.user.uncompletedFieldGuides[0]});
+    FieldGuide.find({'id': req.user.uncompletedFieldGuides[0]},
+      function(err, fieldGuide) {
 
-    displayedFieldGuides.exec(function(err, fieldGuide) {
         if (err) { return next(err); }
         fieldGuide = fieldGuide.pop();
 
@@ -102,6 +101,7 @@ module.exports = function(app) {
         return res.redirect('../field-guide/' + fieldGuide.dashedName);
       });
   }
+};
 
 function completedFieldGuide(req, res, next) {
   var fieldGuideId = req.body.fieldGuideInfo.fieldGuideId;
@@ -121,4 +121,3 @@ module.exports = function(app) {
     res.send(true);
   });
 }
-};