Add first-party tracking system to blog

Gemfile

@@ -7,4 +7,7 @@ gem "jekyll-feed", "~> 0.9"
 gem "jekyll-seo-tag", "~> 2.1", git: "https://github.com/nkalupahana/jekyll-seo-tag"
 gem "kramdown-parser-gfm" if ENV["JEKYLL_VERSION"] == "~> 3.9"
 gem "jekyll-toc"
-gem "jekyll-sitemap"
+gem "jekyll-sitemap"
+gem "csv"
+gem "base64"
+gem "bigdecimal"

Gemfile.lock

@@ -10,8 +10,11 @@ GEM
   specs:
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
+    base64 (0.2.0)
+    bigdecimal (3.1.5)
     colorator (1.1.0)
     concurrent-ruby (1.2.3)
+    csv (3.2.8)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -86,6 +89,9 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  base64
+  bigdecimal
+  csv
   jekyll (>= 3.5, < 5.0)
   jekyll-feed (~> 0.9)
   jekyll-seo-tag (~> 2.1)!

_layouts/home.html

@@ -203,6 +203,13 @@ <h2>Ready to get started?</h2>
             utm_campaign = params.get("utm_campaign");
         }
 
+        const lssource = localStorage.getItem("utm_source");
+        const lscampaign = localStorage.getItem("utm_campaign");
+        if (lssource && lscampaign) {
+            utm_source = lssource;
+            utm_campaign = lscampaign;
+        }
+
         for (const el of document.getElementsByClassName("appStoreLink")) {
             el.onclick = () => {
                 sendInstallRequest();

_layouts/post.html

@@ -108,4 +108,10 @@ <h3 class="sidebar-heading">Better mental health, within your reach</h3>
 document.addEventListener("DOMContentLoaded", function(e) {
   Scroller.init();
 })
+const source = localStorage.getItem("utm_source");
+const campaign = localStorage.getItem("utm_campaign");
+if (!source && !campaign) {
+  localStorage.setItem("utm_source", "blog");
+  localStorage.setItem("utm_campaign", '{{ page.title | downcase | split: " " | join: "_"}}');
+}
 </script>