增加主题置顶字段及查询

whseay · Oct 22, 2014 · 967a484 · 967a484
1 parent 5c2a19c
commit 967a484
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Showing 3 changed files with 18 additions and 1 deletion.
diff --git 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
@@ -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
@@ -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,