func addStory(newStories []*story.Story, rs *rss.Story) []*story.Story {
id, seen := db.SeenStory(rs.Id)
if seen {
return newStories
} else {
id = db.AddStory(rs)
}
// Convert into a story struct
s := story.FromRSS(id, rs)
return append(newStories, s)
}
// Get all the stories read by a session
func AllRead(sessionid string) []*story.Story {
rr := new(readReq)
rr.stmt = allRead
rr.replyCh = make(chan interface{})
rr.readRows = func(stmt *sql.Stmt) interface{} {
// Run the query
rows, err := stmt.Query(sessionid)
if err != nil {
log.Fatal("Cannot execute allRead stmt: ", err)
}
defer rows.Close()
var id int64
r := rss.Story{}
stories := make([]*story.Story, 0, 8)
for rows.Next() {
rows.Scan(&id, &r.Id, &r.Title, &r.Summary, &r.Link, &r.Comments)
story := story.FromRSS(id, &r)
stories = append(stories, story)
}
return stories
}
readCh <- rr
// Wait for a reply
res := <-rr.replyCh
ret, ok := res.([]*story.Story)
if !ok {
log.Fatal("Returned []*story.Story failed type assertion")
}
return ret
}
// Get the story with the given id
func GetStory(storyid int64) *story.Story {
rr := new(readReq)
rr.stmt = getStory
rr.replyCh = make(chan interface{})
rr.readRows = func(stmt *sql.Stmt) interface{} {
// Run the query
rows, err := stmt.Query(storyid)
if err != nil {
log.Fatal("Cannot execute getStory stmt: ", err)
}
defer rows.Close()
var id int64
var s *story.Story
r := rss.Story{}
for rows.Next() {
rows.Scan(&id, &r.Id, &r.Title, &r.Summary, &r.Link, &r.Comments)
s = story.FromRSS(id, &r)
}
return s
}
readCh <- rr
// Wait for a reply
res := <-rr.replyCh
ret, ok := res.(*story.Story)
if !ok {
log.Fatal("Returned *story.Story failed type assertion")
}
return ret
}