render_reply.gno

  1package boards2
  2
  3import (
  4	"strconv"
  5	"strings"
  6
  7	"gno.land/p/gnoland/boards"
  8	"gno.land/p/jeronimoalbi/pager"
  9	"gno.land/p/moul/md"
 10	"gno.land/p/nt/mux"
 11)
 12
 13func renderReply(res *mux.ResponseWriter, req *mux.Request) {
 14	name := req.GetVar("board")
 15	board, found := gBoards.GetByName(name)
 16	if !found {
 17		res.Write("Board does not exist: " + name)
 18		return
 19	}
 20
 21	rawID := req.GetVar("thread")
 22	tID, err := strconv.Atoi(rawID)
 23	if err != nil {
 24		res.Write("Invalid thread ID: " + rawID)
 25		return
 26	}
 27
 28	rawID = req.GetVar("reply")
 29	rID, err := strconv.Atoi(rawID)
 30	if err != nil {
 31		res.Write("Invalid reply ID: " + rawID)
 32		return
 33	}
 34
 35	thread, found := board.Threads.Get(boards.ID(tID))
 36	if !found {
 37		res.Write("Thread does not exist with ID: " + req.GetVar("thread"))
 38		return
 39	}
 40
 41	reply, found := thread.Replies.Get(boards.ID(rID))
 42	if !found {
 43		res.Write("Reply does not exist with ID: " + rawID)
 44		return
 45	}
 46
 47	// Call render even for hidden replies to display children.
 48	// Original comment content will be hidden under the hood.
 49	// See: #3480
 50	res.Write(renderPostInner(reply))
 51}
 52
 53func renderTopLevelReplies(post *boards.Post, path, indent string, levels int) string {
 54	p, err := pager.New(path, post.Replies.Size(), pager.WithPageSize(pageSizeReplies))
 55	if err != nil {
 56		panic(err)
 57	}
 58
 59	var (
 60		b              strings.Builder
 61		commentsIndent = indent + "> "
 62	)
 63
 64	render := func(reply *boards.Post) bool {
 65		b.WriteString(indent + "\n" + renderPost(reply, "", commentsIndent, levels-1))
 66		return false
 67	}
 68
 69	b.WriteString("\n" + md.HorizontalRule() + "Sort by: ")
 70
 71	r := parseRealmPath(path)
 72	sortOrder := r.Query.Get("order")
 73	if sortOrder == "desc" {
 74		r.Query.Set("order", "asc")
 75		b.WriteString(md.Link("newest first", r.String()) + "\n")
 76
 77	} else {
 78		r.Query.Set("order", "desc")
 79		b.WriteString(md.Link("oldest first", r.String()) + "\n")
 80	}
 81
 82	count := p.PageSize()
 83	if sortOrder == "desc" {
 84		count = -count // Reverse iterate
 85	}
 86
 87	post.Replies.Iterate(p.Offset(), count, render)
 88
 89	if p.HasPages() {
 90		b.WriteString(md.HorizontalRule())
 91		b.WriteString(pager.Picker(p))
 92	}
 93	return b.String()
 94}
 95
 96func renderSubReplies(post *boards.Post, indent string, levels int) string {
 97	var (
 98		b              strings.Builder
 99		commentsIndent = indent + "> "
100	)
101
102	post.Replies.Iterate(0, post.Replies.Size(), func(reply *boards.Post) bool {
103		b.WriteString(indent + "\n" + renderPost(reply, "", commentsIndent, levels-1))
104		return false
105	})
106	return b.String()
107}