From 3b6cb316bb021ea52304796c71cb266cebb72e2f Mon Sep 17 00:00:00 2001
From: ernstmul <ernst.mulders@gmail.com>
Date: Thu, 13 Mar 2025 12:40:02 +0100
Subject: [PATCH] Send utm info to analytics

---
 src/lib/actions/analytics.ts |  3 +++
 src/lib/helpers/utm.ts       | 17 +++++++++++++++++
 src/routes/+layout.svelte    | 13 +++++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 src/lib/helpers/utm.ts

diff --git a/src/lib/actions/analytics.ts b/src/lib/actions/analytics.ts
index 036cf56c8..260cffe51 100644
--- a/src/lib/actions/analytics.ts
+++ b/src/lib/actions/analytics.ts
@@ -6,6 +6,7 @@ import { user } from '$lib/stores/user';
 import { ENV, MODE, VARS, isCloud } from '$lib/system';
 import { AppwriteException } from '@appwrite.io/console';
 import { browser } from '$app/environment';
+import { getReferrerAndUtmSource } from '$lib/helpers/utm';
 
 function plausible(domain: string): AnalyticsPlugin {
     if (!browser) return { name: 'analytics-plugin-plausible' };
@@ -65,6 +66,8 @@ export function trackEvent(name: string, data: object = null): void {
         };
     }
 
+    data = { ...data, ...getReferrerAndUtmSource() };
+
     if (ENV.DEV || ENV.PREVIEW) {
         console.debug(`[Analytics] Event ${name} ${path}`, data);
     } else {
diff --git a/src/lib/helpers/utm.ts b/src/lib/helpers/utm.ts
new file mode 100644
index 000000000..df2cb2158
--- /dev/null
+++ b/src/lib/helpers/utm.ts
@@ -0,0 +1,17 @@
+export function getReferrerAndUtmSource() {
+    if (sessionStorage) {
+        let values = {};
+        if (sessionStorage.getItem('utmReferral')) {
+            values = { ...values, utmReferral: sessionStorage.getItem('utmReferral') };
+        }
+        if (sessionStorage.getItem('utmSource')) {
+            values = { ...values, utmSource: sessionStorage.getItem('utmSource') };
+        }
+        if (sessionStorage.getItem('utmMedium')) {
+            values = { ...values, utmMedium: sessionStorage.getItem('utmMedium') };
+        }
+
+        return values;
+    }
+    return {};
+}
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index e21202297..42ea05abe 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -32,6 +32,19 @@
             if (ref || referrer || utmSource || utmCampaign || utmMedium) {
                 sdk.forConsole.sources.create(ref, referrer, utmSource, utmCampaign, utmMedium);
             }
+
+            if (referrer || ref) {
+                sessionStorage.setItem('utmReferral', referrer ? referrer : (ref ?? ''));
+            }
+            if (utmSource) {
+                sessionStorage.setItem('utmSource', utmSource);
+            }
+            if (utmMedium) {
+                sessionStorage.setItem('utmMedium', utmMedium);
+            }
+            if (utmCampaign) {
+                sessionStorage.setItem('utmCampaign', utmCampaign);
+            }
         }
 
         if ($page.url.searchParams.has('migrate')) {