Use the right date type for news

createdb.sql

@@ -16,9 +16,7 @@ CREATE TABLE books (
 	tsv         tsvector
 );
 
---
 -- Books text search index
---
 CREATE FUNCTION books_trigger() RETURNS trigger AS $$
 declare
 	lang_config regconfig;
@@ -70,12 +68,14 @@ CREATE TRIGGER tsvectorupdate BEFORE INSERT OR UPDATE
     ON books FOR EACH ROW EXECUTE PROCEDURE books_trigger();
 CREATE INDEX books_idx ON books USING GIN (tsv);
 
+
 CREATE TABLE news (
 	id   serial unique,
-	date time,
+	date timestamp,
 	text text
 );
 
+
 CREATE TABLE users (
 	id       serial unique,
 	username varchar(255) unique,

lib/database/news.go

@@ -1,6 +1,7 @@
 package database
 
 import (
+	"fmt"
 	"time"
 )
 
@@ -13,17 +14,27 @@ type New struct {
 
 // AddNews creates a new entry
 func (db *pgDB) AddNews(text string) error {
+	return db.addRawNews(text, time.Now())
+}
+
+func (db *pgDB) addRawNews(text string, date time.Time) error {
 	return db.sql.Create(&New{
 		Text: text,
-		Date: time.Now(),
+		Date: date,
 	})
 }
 
 // GetNews returns all the news for the last 'days' limiting with a maximum of 'num' results
 func (db *pgDB) GetNews(num int, days int) ([]New, error) {
 	var news []New
-	err := db.sql.Model(&news).
+	query := db.sql.Model(&news)
-		Limit(num).
+
+	if days != 0 {
+		daystr := fmt.Sprintf("%d days", days)
+		query = query.Where("date > CURRENT_TIMESTAMP-?::interval", daystr)
+	}
+
+	err := query.Limit(num).
 		Order("date DESC").
 		Select()
 	return news, err