From 26a4f48e8b3b33fbfd79cc207052364fd9f5e08d Mon Sep 17 00:00:00 2001
From: Matt Baer <matt@write.as>
Date: Mon, 23 Sep 2019 10:04:45 -0400
Subject: [PATCH] Add expiration information to invite help

This uses the Invite fetched from the database to explain a bit more
about how the invite URL expires. It also reduces some space around the
input box.

Ref T690
---
 invites.go                              |  4 ++--
 templates/user/invite-instructions.tmpl | 13 +++++++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/invites.go b/invites.go
index f9c5cce..2320906 100644
--- a/invites.go
+++ b/invites.go
@@ -134,11 +134,11 @@ func handleViewInvite(app *App, w http.ResponseWriter, r *http.Request) error {
 		// show invite instructions
 		p := struct {
 			*UserPage
-			InviteID string
+			Invite  *Invite
 			Expired bool
 		}{
 			UserPage: NewUserPage(app, r, u, "Invite to "+app.cfg.App.SiteName, nil),
-			InviteID: inviteCode,
+			Invite:   i,
 			Expired:  expired,
 		}
 		showUserPage(w, "invite-instructions", p)
diff --git a/templates/user/invite-instructions.tmpl b/templates/user/invite-instructions.tmpl
index c99680a..a32eac0 100644
--- a/templates/user/invite-instructions.tmpl
+++ b/templates/user/invite-instructions.tmpl
@@ -3,7 +3,7 @@
 <style>
   .copy-link {
     width: 100%;
-    margin: 2em 0;
+    margin: 1em 0;
     text-align: center;
     font-size-adjust: .7;
     color: #555;
@@ -15,7 +15,16 @@
 		<p style="font-style: italic">This invite link is expired.</p>
 	{{ else }}
 		<p>Copy the link below and send it to anyone that you want to join <em>{{ .SiteName }}</em>. You could paste it into an email, instant message, text message, or write it down on paper. Anyone who navigates to this special page will be able to create an account.</p>
-		<input class="copy-link" type="text" name="invite-url" value="{{$.Host}}/invite/{{.InviteID}}" onfocus="if (this.select) this.select(); else this.setSelectionRange(0, this.value.length);" readonly />
+		<input class="copy-link" type="text" name="invite-url" value="{{$.Host}}/invite/{{.Invite.ID}}" onfocus="if (this.select) this.select(); else this.setSelectionRange(0, this.value.length);" readonly />
+		<p>
+			{{ if gt .Invite.MaxUses.Int64 0 }}
+				{{if eq .Invite.MaxUses.Int64 1}}Only <strong>one</strong> user{{else}}Up to <strong>{{.Invite.MaxUses.Int64}}</strong> users{{end}} can sign up with this link.
+				{{if gt .Invite.Uses 0}}So far, <strong>{{.Invite.Uses}}</strong> {{pluralize "person has" "people have" .Invite.Uses}} used it.{{end}}
+				{{if .Invite.Expires}}It expires on <strong>{{.Invite.ExpiresFriendly}}</strong>.{{end}}
+			{{ else }}
+				It can be used as many times as you like{{if .Invite.Expires}} before <strong>{{.Invite.ExpiresFriendly}}</strong>, when it expires{{end}}.
+			{{ end }}
+		</p>
 	{{ end }}
 </div>