render.gno

 1package sharedpoll
 2
 3import (
 4	"strconv"
 5	"strings"
 6	"time"
 7
 8	"gno.land/p/g1lnkytfqcjwllws63gvf0mv9yt04aswy4y9amhm/remixlab/core/v1"
 9	"gno.land/p/g1lnkytfqcjwllws63gvf0mv9yt04aswy4y9amhm/remixlab/render/v1"
10)
11
12// Render serves the overview, the poll list and single polls.
13func Render(path string) string {
14	if admins == nil {
15		return render.Heading(1, "Shared-membership poll") + "This app is not initialized.\n"
16	}
17	segs, q := render.ParsePath(path)
18	switch {
19	case len(segs) == 0:
20		return renderHome()
21	case segs[0] == "polls" && len(segs) == 1:
22		pages := render.PageCount(polls.Count(), pageSize)
23		page := render.Page(q, pages)
24		return render.Heading(1, "Polls") +
25			renderPollTable(polls.List((page-1)*pageSize, pageSize)) +
26			render.Pager(pkgPath, "polls", page, pages)
27	case segs[0] == "polls" && len(segs) == 2:
28		id, err := strconv.ParseUint(segs[1], 10, 64)
29		if err == nil {
30			if v, ok := polls.Ballot(id); ok {
31				return renderPoll(v)
32			}
33		}
34	}
35	return render.Heading(1, "Not found") + render.Link("Back", render.RealmURL(pkgPath, "")) + "\n"
36}
37
38func renderHome() string {
39	var sb strings.Builder
40	sb.WriteString(render.Heading(1, "Shared-membership poll"))
41	sb.WriteString("Voters come from " + render.Link(sharedPath, render.RealmURL(sharedPath, "")) +
42		", snapshotted when each poll opens. Join or leave there.\n\n")
43	sb.WriteString(renderPollTable(polls.List(0, 5)))
44	sb.WriteString(render.Link("All polls", render.RealmURL(pkgPath, "polls")) + "\n")
45	return sb.String()
46}
47
48func renderPollTable(list []core.BallotView) string {
49	if len(list) == 0 {
50		return "No polls yet.\n\n"
51	}
52	var rows [][]string
53	for _, v := range list {
54		id := strconv.FormatUint(v.ID, 10)
55		rows = append(rows, render.TrustedRow(
56			render.Link("#"+id, render.RealmURL(pkgPath, "polls/"+id)),
57			render.Text(v.Title),
58			render.Text(v.Status.String()),
59			strconv.Itoa(v.Turnout),
60		))
61	}
62	return render.Table([]string{"Poll", "Title", "Status", "Ballots"}, rows)
63}
64
65func renderPoll(v core.BallotView) string {
66	now := time.Now().Unix()
67	id := strconv.FormatUint(v.ID, 10)
68	var sb strings.Builder
69	sb.WriteString(render.Heading(1, v.Title))
70	sb.WriteString("Status: **" + render.Text(v.Status.String()) + "** · electorate " + strconv.Itoa(v.ElectorateSize) + "\n\n")
71	var rows [][]string
72	for i, opt := range v.Options {
73		action := ""
74		if v.Status == core.BallotOpen && now < v.Deadline {
75			action = render.TxLink("vote", pkgPath, "Vote", "id", id, "choice", strconv.Itoa(i))
76		}
77		rows = append(rows, render.TrustedRow(render.Text(opt), strconv.Itoa(v.Counts[i]), action))
78	}
79	sb.WriteString(render.Table([]string{"Option", "Votes", ""}, rows))
80	if v.Status == core.BallotFinalized {
81		res := v.Outcome.String()
82		if v.Outcome == core.OutcomeWinner {
83			res = "winner: " + v.Options[v.Winner]
84		}
85		sb.WriteString("Result: **" + render.Text(res) + "**\n")
86	} else if v.Status == core.BallotOpen && now >= v.Deadline {
87		sb.WriteString(render.TxLink("Finalize result", pkgPath, "Finalize", "id", id) + "\n")
88	}
89	return sb.String()
90}