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Implement THREAD command
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f65363ccf8
commit
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@ -238,3 +238,9 @@ func (sb *SQLiteBackend) GetNewThreads(g *models.Group, perPage int, pageNum int
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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)
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}
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func (sb *SQLiteBackend) GetThread(g *models.Group, threadNum int) ([]int, error) {
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var numbers []int
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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 = json_extract((SELECT articles.header from articles INNER JOIN articles_to_groups a on articles.id = a.article_id WHERE a.group_id = ? AND a.article_number = ?), '$.Message-Id[0]') ORDER BY articles.created_at", g.ID, g.ID, threadNum)
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}
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@ -23,4 +23,5 @@ type StorageBackend interface {
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GetNextArticleByNum(g *models.Group, a *models.Article) (models.Article, error)
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GetArticlesByRange(g *models.Group, low, high int64) ([]models.Article, error)
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GetNewThreads(g *models.Group, perPage int, pageNum int) ([]int, error)
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GetThread(g *models.Group, threadNum int) ([]int, error)
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}
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@ -53,6 +53,7 @@ func NewHandler(b backend.StorageBackend, serverDomain, uploadPath string) *Hand
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// project-specific extensions
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"NEWTHREADS": h.handleNewThreads,
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"THREAD": h.handleThread,
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}
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h.serverDomain = serverDomain
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h.uploadPath = uploadPath
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@ -905,6 +906,38 @@ func (h *Handler) handleNewThreads(s *Session, command string, arguments []strin
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return dw.Close()
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}
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func (h *Handler) handleThread(s *Session, command string, arguments []string, id uint) error {
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s.tconn.StartResponse(id)
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defer s.tconn.EndResponse(id)
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if s.currentGroup == nil {
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return s.tconn.PrintfLine(protocol.NNTPResponse{Code: 412, Message: "no newsgroup selected"}.String())
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}
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if len(arguments) == 0 {
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return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
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}
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threadNumber, err := strconv.Atoi(arguments[0])
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if err != nil {
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return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
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}
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threadNums, err := h.backend.GetThread(s.currentGroup, threadNumber)
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if err != nil {
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if err != sql.ErrNoRows {
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return err
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}
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}
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dw := s.tconn.DotWriter()
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dw.Write([]byte(protocol.NNTPResponse{Code: 226, Message: "Thread articles follows" + protocol.CRLF}.String()))
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for _, v := range threadNums {
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dw.Write([]byte(strconv.Itoa(v) + protocol.CRLF))
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}
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return dw.Close()
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}
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func (h *Handler) Handle(s *Session, message string, id uint) error {
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splittedMessage := strings.Split(message, " ")
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for i, v := range splittedMessage {
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