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Implement NEWTHREADS command

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ChronosX88 2022-04-15 00:31:03 +03:00
parent 75df0d6bdf
commit 9dec53ff13
Signed by: ChronosXYZ
GPG Key ID: 085A69A82C8C511A
3 changed files with 46 additions and 0 deletions
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6
internal/backend/sqlite/sqlite.go
View File

@ -232,3 +232,9 @@ func (sb *SQLiteBackend) GetNewArticlesSince(timestamp int64) ([]string, error)
var articleIds []string
return articleIds, sb.db.Select(&articleIds, "SELECT json_extract(articles.header, '$.Message-Id[0]') FROM articles WHERE created_at > datetime(?, 'unixepoch')", timestamp)
}
func (sb *SQLiteBackend) GetNewThreads(g *models.Group, perPage int, pageNum int) ([]int, error) {
var numbers []int
return numbers, sb.db.Select(&numbers, "SELECT atg.article_number FROM articles INNER JOIN articles_to_groups atg on atg.article_id = articles.id WHERE atg.group_id = ? AND articles.thread IS NULL ORDER BY articles.created_at DESC LIMIT ? OFFSET ?", g.ID, perPage, perPage*pageNum)
}

1
internal/backend/storage_backend.go
View File

@ -22,4 +22,5 @@ type StorageBackend interface {
GetLastArticleByNum(g *models.Group, a *models.Article) (models.Article, error)
GetNextArticleByNum(g *models.Group, a *models.Article) (models.Article, error)
GetArticlesByRange(g *models.Group, low, high int64) ([]models.Article, error)
GetNewThreads(g *models.Group, perPage int, pageNum int) ([]int, error)
}

39
internal/server/handler.go
View File

@ -50,6 +50,9 @@ func NewHandler(b backend.StorageBackend, serverDomain, uploadPath string) *Hand
protocol.CommandNext: h.handleNext,
protocol.CommandOver: h.handleOver,
protocol.CommandXover: h.handleOver,
// project-specific extensions
"NEWTHREADS": h.handleNewThreads,
}
h.serverDomain = serverDomain
h.uploadPath = uploadPath
@ -865,6 +868,42 @@ func (h *Handler) handleOver(s *Session, command string, arguments []string, id
return dw.Close()
}
func (h *Handler) handleNewThreads(s *Session, command string, arguments []string, id uint) error {
s.tconn.StartResponse(id)
defer s.tconn.EndResponse(id)
if s.currentGroup == nil {
return s.tconn.PrintfLine(protocol.NNTPResponse{Code: 412, Message: "no newsgroup selected"}.String())
}
if len(arguments) == 0 {
return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
}
perPage, err := strconv.Atoi(arguments[0])
if err != nil {
return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
}
pageNum, err := strconv.Atoi(arguments[1])
if err != nil {
return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
}
threadNums, err := h.backend.GetNewThreads(s.currentGroup, perPage, pageNum)
if err != nil {
if err != sql.ErrNoRows {
return err
}
}
dw := s.tconn.DotWriter()
dw.Write([]byte(protocol.NNTPResponse{Code: 225, Message: "New thread numbers follows" + protocol.CRLF}.String()))
for _, v := range threadNums {
dw.Write([]byte(strconv.Itoa(v) + protocol.CRLF))
}
return dw.Close()
}
func (h *Handler) Handle(s *Session, message string, id uint) error {
splittedMessage := strings.Split(message, " ")
for i, v := range splittedMessage {