From 967a4843659b06ab6e15587759c8db85a258e481 Mon Sep 17 00:00:00 2001
From: Jimmy Kuu <jimmy.kuu@gmial.com>
Date: Wed, 22 Oct 2014 14:45:13 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=B8=BB=E9=A2=98=E7=BD=AE?=
 =?UTF-8?q?=E9=A1=B6=E5=AD=97=E6=AE=B5=E5=8F=8A=E6=9F=A5=E8=AF=A2?=
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---
 src/gopher/config.go |  2 +-
 src/gopher/models.go |  1 +
 src/gopher/topic.go  | 16 ++++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/gopher/config.go b/src/gopher/config.go
index 2ae7c22..ce706d6 100644
--- a/src/gopher/config.go
+++ b/src/gopher/config.go
@@ -5,9 +5,9 @@ import (
 	"fmt"
 	"html/template"
 	"io/ioutil"
+	"log"
 	"os"
 	"runtime"
-	"log"
 
 	"github.com/bradrydzewski/go.auth"
 )
diff --git a/src/gopher/models.go b/src/gopher/models.go
index 35a2050..96c37fb 100644
--- a/src/gopher/models.go
+++ b/src/gopher/models.go
@@ -269,6 +269,7 @@ type Topic struct {
 	NodeId          bson.ObjectId
 	LatestReplierId string
 	LatestRepliedAt time.Time
+	IsTop           bool `bson:"is_top"` // 置顶
 }
 
 // 主题所属节点
diff --git a/src/gopher/topic.go b/src/gopher/topic.go
index faccfd7..cb12378 100644
--- a/src/gopher/topic.go
+++ b/src/gopher/topic.go
@@ -35,6 +35,20 @@ func topicsHandler(handler Handler, conditions bson.M, sort string, url string,
 
 	c = handler.DB.C(CONTENTS)
 
+	var topTopics []Topic
+
+	if page == 1 {
+		c.Find(bson.M{"is_top": true}).Sort(sort).All(&topTopics)
+
+		var objectIds []bson.ObjectId
+		for _, topic := range topTopics {
+			objectIds = append(objectIds, topic.Id_)
+		}
+		if len(topTopics) > 0 {
+			conditions["_id"] = bson.M{"$not": bson.M{"$in": objectIds}}
+		}
+	}
+
 	pagination := NewPagination(c.Find(conditions).Sort(sort), url, PerPage)
 
 	var topics []Topic
@@ -51,6 +65,8 @@ func topicsHandler(handler Handler, conditions bson.M, sort string, url string,
 	c = handler.DB.C(LINK_EXCHANGES)
 	c.Find(nil).All(&linkExchanges)
 
+	topics = append(topTopics, topics...)
+
 	renderTemplate(handler, "index.html", BASE, map[string]interface{}{
 		"nodes":         hotNodes,
 		"status":        status,