From 6e31a7e2dd6e9922b07ebb5c25bf89513759c599 Mon Sep 17 00:00:00 2001
From: Harvey Tindall <hrfee@protonmail.ch>
Date: Tue, 2 Dec 2025 14:56:15 +0000
Subject: [PATCH] form: add pre-signup card

same as the post-signup card, but shown on the sidebar.
---
 api-messages.go       |  1 +
 customcontent.go      | 24 +++++++++++++++++++++++-
 html/form.html        |  5 +++++
 lang/admin/en-us.json |  2 ++
 views.go              | 19 +++++++++++++++++++
 5 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/api-messages.go b/api-messages.go
index 0b72330..766642c 100644
--- a/api-messages.go
+++ b/api-messages.go
@@ -169,6 +169,7 @@ func (app *appContext) GetCustomMessageTemplate(gc *gin.Context) {
 		case "UserPage":
 		case "UserLogin":
 		case "PostSignupCard":
+		case "PreSignupCard":
 			// These don't have any example content
 			msg = nil
 		}
diff --git a/customcontent.go b/customcontent.go
index 0b199e3..b0f4932 100644
--- a/customcontent.go
+++ b/customcontent.go
@@ -352,9 +352,31 @@ var customContent = map[string]CustomContentInfo{
 			"myAccountURL",
 		),
 		Placeholders: defaultVals(map[string]any{
-			"myAccountURL": "https://sub2.test.url/my/account",
+			"myAccountURL": "https://example.url/my/account",
 		}),
 	},
+	"PreSignupCard": {
+		Name:        "PreSignupCard",
+		ContentType: CustomCard,
+		DisplayName: func(dict *Lang, lang string) string {
+			if _, ok := dict.Admin[lang]; !ok {
+				lang = dict.chosenAdminLang
+			}
+			return dict.Admin[lang].Strings["preSignupCard"]
+		},
+		Description: func(dict *Lang, lang string) string {
+			if _, ok := dict.Admin[lang]; !ok {
+				lang = dict.chosenAdminLang
+			}
+			return dict.Admin[lang].Strings["preSignupCardDescription"]
+		},
+		Variables: []string{
+			"myAccountURL",
+		},
+		Placeholders: map[string]any{
+			"myAccountURL": "https://example.url/my/account",
+		},
+	},
 }
 
 var EmptyCustomContent = CustomContentInfo{
diff --git a/html/form.html b/html/form.html
index acfbf29..030a78d 100644
--- a/html/form.html
+++ b/html/form.html
@@ -125,6 +125,11 @@
                         {{ if .fromUser }}
                             <aside class="col aside sm ~positive mb-4" id="invite-from-user" data-from="{{ .fromUser }}">{{ .strings.invitedBy }}</aside>
                         {{ end }}
+                        {{ if .preSignupCard }}
+                            <div class="card @low dark:~d_neutral break-words content">
+                                {{ .preSignupCardContent }}
+                            </div>
+                        {{ end }}
                         <div class="card ~neutral @low mb-4">
                             <span class="label supra">{{ .strings.passwordRequirementsHeader }}</span>
                             <ul>
diff --git a/lang/admin/en-us.json b/lang/admin/en-us.json
index b9ce468..65ad56c 100644
--- a/lang/admin/en-us.json
+++ b/lang/admin/en-us.json
@@ -155,6 +155,8 @@
         "userPagePage": "User Page: Page",
         "postSignupCard": "Post-signup help card",
         "postSignupCardDescription": "Card shown to user after signing up. Overrides \"Success Message\". Overriden by \"Auto redirect on success\" setting.",
+        "preSignupCard": "Pre-signup help card",
+        "preSignupCardDescription": "Optional card shown on the sign-up page.",
         "buildTime": "Build Time",  
         "builtBy": "Built By",
         "buildTags": "Build Tags",
diff --git a/views.go b/views.go
index 2e1acee..10c7f7c 100644
--- a/views.go
+++ b/views.go
@@ -831,6 +831,25 @@ func (app *appContext) InviteProxy(gc *gin.Context) {
 			[]byte(templated), nil, markdownRenderer),
 		)
 	}
+	if msg, ok := app.storage.GetCustomContentKey("PreSignupCard"); ok && msg.Enabled {
+		cci := customContent["PreSignupCard"]
+		data["preSignupCard"] = true
+		// We don't template here, since the username is only known after login.
+		templated, err := templateEmail(
+			msg.Content,
+			cci.Variables,
+			cci.Conditionals,
+			map[string]any{
+				"myAccountURL": userPageAddress,
+			},
+		)
+		if err != nil {
+			app.err.Printf(lm.FailedConstructCustomContent, "PreSignupCard", err)
+		}
+		data["preSignupCardContent"] = template.HTML(markdown.ToHTML(
+			[]byte(templated), nil, markdownRenderer),
+		)
+	}
 
 	// if discordEnabled {
 	// 	pin := ""