增加比赛倒计时的功能

static/src/js/app/oj/contest/contestCountdown.js

@@ -0,0 +1,40 @@
+require(["jquery", "jcountdown"], function($, jcountdown){
+
+    function getServerTime(){
+        var contestId = location.pathname.split("/")[2];
+
+        var time = 0;
+        $.ajax({
+            url: "/api/contest/time/?contest_id=" + contestId,
+            dataType: "json",
+            method: "get",
+            async: false,
+            success: function(data){
+                if(!data.code){
+                    time = data.data;
+                }
+            }
+        });
+        return time;
+    }
+
+    var time = getServerTime();
+
+    if(time["status"] == 1){
+        countdown(time["start"])
+    }
+    else if(time["status"] == 0){
+        countdown(time["end"])
+    }
+
+    function countdown(t){
+        $("#timer").countdown({
+            serverDiff: t,
+            date: "september 21, 2015 21:59",
+            yearsAndMonths: false,
+            template: $('#template').html()
+        }).on("countComplete", function(){
+            location.reload();
+        });
+    }
+});

static/src/js/app/oj/problem/problem.js

@@ -142,9 +142,6 @@ require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
                     if(!data.code){
                         time = data.data;
                     }
-                },
-                error: function(){
-                    time = new Date().getTime();
                 }
             });
             return time;
@@ -153,13 +150,16 @@ require(["jquery", "codeMirror", "csrfToken", "bsAlert", "ZeroClipboard"],
         if(location.href.indexOf("contest") > -1) {
             setInterval(function () {
                 var time = getServerTime();
-                var minutes = parseInt(time / (1000 * 60));
-                if(minutes == 0){
-                    bsAlert("比赛即将结束");
-                }
-                else if(minutes > 0 && minutes <= 5){
-                    bsAlert("比赛还剩" + minutes.toString() + "分钟");
+                if(time["status"] == 0){
+                    var minutes = parseInt(time["end"] / (1000 * 60));
+                    if(minutes == 0){
+                        bsAlert("比赛即将结束");
+                    }
+                    else if(minutes > 0 && minutes <= 5){
+                        bsAlert("比赛还剩" + minutes.toString() + "分钟");
+                    }
                 }
+
             }, 1000 * 60);
         }