Print out the news in the front page

config.go

@@ -30,6 +30,7 @@ const (
 	SEARCH_ITEMS_PAGE         = 20
 	NEW_ITEMS_PAGE            = 50
 	NUM_NEWS                  = 10
+	DAYS_NEWS_INDEXPAGE       = 15
 
 	TEMPLATE_PATH = "templates/"
 	CSS_PATH      = "css/"

database.go

@@ -96,8 +96,15 @@ func (d *DB) AddNews(text string) error {
 	return d.news.Insert(news)
 }
 
-func (d *DB) GetNews(num int) (news []News, err error) {
-	err = d.news.Find(bson.M{}).Sort("-date").Limit(num).All(&news)
+func (d *DB) GetNews(num int, days int) (news []News, err error) {
+	query := bson.M{}
+	if days != 0 {
+		duration := time.Duration(-24*days) * time.Hour
+		date := time.Now().Add(duration)
+		query = bson.M{"date": bson.M{"$gt": date}}
+	}
+	q := d.news.Find(query).Sort("-date").Limit(num)
+	err = q.All(&news)
 	return
 }
 

news.go

@@ -6,10 +6,10 @@ import (
 
 type newsData struct {
 	S    Status
-	News []news
+	News []newsEntry
 }
 
-type news struct {
+type newsEntry struct {
 	Date string
 	Text string
 }
@@ -18,12 +18,7 @@ func newsHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
 	var data newsData
 	data.S = GetStatus(w, r)
 	data.S.News = true
-	newsEntries, _ := db.GetNews(NUM_NEWS)
-	data.News = make([]news, len(newsEntries))
-	for i, n := range newsEntries {
-		data.News[i].Text = n.Text
-		data.News[i].Date = n.Date.Format("Jan 31, 2006")
-	}
+	data.News = getNews(NUM_NEWS, 0)
 	loadTemplate(w, "news", data)
 }
 
@@ -49,3 +44,13 @@ func postNewsHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
 	db.AddNews(text)
 	http.Redirect(w, r, "/news/", http.StatusFound)
 }
+
+func getNews(num int, days int) []newsEntry {
+	dbnews, _ := db.GetNews(num, days)
+	news := make([]newsEntry, len(dbnews))
+	for i, n := range dbnews {
+		news[i].Text = n.Text
+		news[i].Date = n.Date.Format("Jan 31, 2006")
+	}
+	return news
+}

templates/index.html

@@ -1,9 +1,10 @@
 {{template "header.html" .S}}
 
-<div class="alert alert-info">
-    <button type="button" class="close" data-dismiss="alert">&times;</button>
-    <strong>News!</strong> The <a href="/about/">about</a> has being updated with pgp key and bitcoin address for donations.
+{{range .News}}
+<div class="offset2 span8 alert alert-info">
+    <a href="/news/"><strong>News!</strong></a> {{.Text}}
 </div>
+{{end}}
 
 <div class="row">
 <div class="span8">

trantor.go

@@ -121,6 +121,7 @@ type indexData struct {
 	DownloadedBooks []Book
 	Count           int
 	Tags            []string
+	News            []newsEntry
 }
 
 func indexHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
@@ -132,6 +133,7 @@ func indexHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
 	data.Books, data.Count, _ = db.GetBooks(bson.M{"active": true}, 6)
 	data.VisitedBooks, _ = db.GetVisitedBooks(6)
 	data.DownloadedBooks, _ = db.GetDownloadedBooks(6)
+	data.News = getNews(1, DAYS_NEWS_INDEXPAGE)
 	loadTemplate(w, "index", data)
 }