func (md *MongoDB) getPostsForQuery(qryobj interface{}, skip, limit int32) (posts []BlogPost, err os.Error) {
md.postmu.Lock()
defer md.postmu.Unlock()
var query mongo.BSON
query, err = mongo.Marshal(qryobj)
if err != nil {
return
}
// count, _ := md.posts.Count(query)
// if count == 0 {
// err = os.NewError("COUNT 0 Post Not Found")
// return
// }
var docs *mongo.Cursor
//docs, err = md.posts.FindAll(query)
docs, err = md.posts.Query(query, skip, limit)
if err != nil {
return
}
var doc mongo.BSON
for docs.HasMore() {
doc, err = docs.GetNext()
if err != nil {
return
}
var post BlogPost
err = mongo.Unmarshal(doc.Bytes(), &post)
if err != nil {
return
}
posts = append(posts, post)
}
// if len(posts) == 0 {
// err = os.NewError("no posts found")
// }
return
}
//get comments belonging to a post
func (md *MongoDB) GetComments(post_id int64) (comments []PostComment, err os.Error) {
md.commentmu.Lock()
defer md.commentmu.Unlock()
//m := map[string]int64{"postid": post_id}
type q map[string]interface{}
m := q{
"$query": q{"postid": post_id},
"$orderby": q{"timestamp": 1},
}
var query mongo.BSON
query, err = mongo.Marshal(m)
if err != nil {
return
}
var docs *mongo.Cursor
docs, err = md.comments.FindAll(query)
if err != nil {
return
}
var doc mongo.BSON
for docs.HasMore() {
doc, err = docs.GetNext()
if err != nil {
return
}
var comment PostComment
err = mongo.Unmarshal(doc.Bytes(), &comment)
if err != nil {
return
}
comments = append(comments, comment)
}
return
}