添加不能重复申请功能

app/controllers/mobile/forumModerator.js

@@ -225,24 +225,35 @@ router.post('/forumModeratorApply/create', function(req, res, next) {
     var fuserId = req.session.mobileForumUser.userId;
     var applyMsg = req.body.applyMsg;
     if (fuserId && applyMsg) {
-        var conditions = {
-            ent_code: ent_code,
-            forumUser: fuserId
-        }
-
-        var model = {
-            ent_code: ent_code,
-            forumUser: fuserId,
-            applyMsg: applyMsg
-        };
-        forumModeratorApplyService.createOrUpdateLimitOperation(conditions, model, function(err, ModeratorApply) {
-            if (err) {
-                console.error(err);
+    	forumModeratorApplyService.getForumModeratorApplyByFUserId(fuserId,function(err, doc){
+    		if(err){
+    			console.error(err);
                 res.json(returnCode.BUSY);
-            } else {
-                res.json(_.assign(returnCode.SUCCESS));
-            }
-        });
+    		}else if(doc){ //已申请
+    			res.json({
+					errorcode: 0,
+					errormsg: '已申请,请勿重复申请!'
+				});
+    		}else{
+    			var conditions = {
+		            ent_code: ent_code,
+		            forumUser: fuserId
+		        }
+		        var model = {
+		            ent_code: ent_code,
+		            forumUser: fuserId,
+		            applyMsg: applyMsg
+		        };
+		        forumModeratorApplyService.createOrUpdateLimitOperation(conditions, model, function(err, ModeratorApply) {
+		            if (err) {
+		                console.error(err);
+		                res.json(returnCode.BUSY);
+		            } else {
+		                res.json(_.assign(returnCode.SUCCESS));
+		            }
+		        });
+    		}
+    	})
     } else {
         res.json(returnCode.WRONG_PARAM);
     }