refactor(members): DRY some members code

src/controllers/members.js

@@ -6,21 +6,33 @@ var async = require('async');
 var _ = require('lodash');
 var shared = require('habitrpg-shared');
 
+var fetchMember = function(uuid, restrict){
+  return function(cb){
+    var q = User.findById(uuid);
+    if (restrict) q.select(partyFields);
+    q.exec(function(err, member){
+      if (err) return cb(err);
+      if (!member) return cb({code:404, err: 'User not found'});
+      return cb(null, member);
+    })
+  }
+}
+
+var sendErr = function(err, res, next){
+  err.code ? res.json(err.code, {err: err.err}) : next(err);
+}
+
 api.getMember = function(req, res, next) {
-  User.findById(req.params.uuid).select(partyFields).exec(function(err, user){
-    if (err) return next(err);
-    if (!user) return res.json(400,{err:'User not found'});
-    res.json(user);
+  fetchMember(req.params.uuid, true)(function(err, member){
+    if (err) return sendErr(err, res, next);
+    res.json(member);
   })
 }
 
 api.sendPrivateMessage = function(req,res,next){
   async.waterfall([
-    function(cb){
-      User.findById(req.params.uuid, cb);
-    },
+    fetchMember(req.params.uuid),
     function(member, cb){
-      if (!member) return cb({code:404, err: 'User not found'});
       if (~member.inbox.blocks.indexOf(res.locals.user._id) // can't send message if that user blocked me
         || ~res.locals.user.inbox.blocks.indexOf(member._id) // or if I blocked them
         || member.inbox.optOut) { // or if they've opted out of messaging
@@ -43,8 +55,7 @@ api.sendPrivateMessage = function(req,res,next){
       res.locals.user.save(cb);
     }
   ], function(err){
-    if (err) return err.code ? res.json(err.code,{err:err.err}) : err;
+    if (err) return sendErr(err, res, next);
     res.send(200);
   })
-
 }