func RestoreCommentsTable(input *db.RecordReader, output *db.CommentDB) error {
for {
rec, err := input.ReadRecord()
if err == io.EOF {
break
} else if err != nil {
log.Printf("Error reading record: %s", err.Error())
return err
}
c := &pb.Comment{}
err = proto.Unmarshal(rec, c)
if err != nil {
log.Printf("Error parsing record: %s", err.Error())
return err
}
err = output.Store(c)
if err != nil {
log.Printf("Error writing record: %s", err.Error())
return err
}
fmt.Printf(".")
}
fmt.Printf("\n")
log.Printf("Comments table restored.")
return nil
}
func commentPostHandler(
cdb *db.CommentDB,
w http.ResponseWriter, r *http.Request,
user userView) {
if r.Method != "POST" {
http.Error(w, "", http.StatusMethodNotAllowed)
return
}
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
log.Printf("commentPostHandler form: %v\n\n", r.Form)
object_id := r.Form.Get("object_id")
ok, redirect_url := validateObjectId(object_id)
if !ok {
http.Error(w, "Invalid object_id", http.StatusBadRequest)
return
}
text := r.Form.Get("text")
if len(text) == 0 {
http.Error(w, "Comment text missing", http.StatusBadRequest)
return
}
if len(text) > 256 {
http.Error(w, "Exceeded size limit", http.StatusBadRequest)
return
}
var userid *string
if user.Id == "" {
userid = nil
} else {
userid = &user.Id
}
comment, err := db.NewComment(object_id, text, userid)
if err != nil {
log.Printf("Error creating comment: %s", err.Error())
http.Error(w, "", http.StatusInternalServerError)
return
}
log.Printf("Comment: %s", comment)
err = cdb.Store(comment)
if err != nil {
log.Printf("Error storing comment: %s", err.Error())
http.Error(w, "", http.StatusInternalServerError)
return
}
http.Redirect(w, r, redirect_url, http.StatusFound)
}
func LoadCommentsByObjectId(object_id string,
commentdb *db.CommentDB, userdb *db.UserDB) (CommentsView, error) {
var cv CommentsView
cv.ObjectId = object_id
comments, err := commentdb.SearchByObjectId(object_id)
if err != nil {
log.Printf("Error looking up comments for object id %s: %s",
object_id, err.Error())
return cv, err
}
cv.C = make([]CommentView, len(comments))
for i, c := range comments {
FillCommentView(*c, userdb, &cv.C[i])
}
return cv, nil
}