Revert "feat(checkout): add referral and promotion code support"

This reverts commit 3d98728.

Author: Jingzhou Gary Xue

wezterm-gui/src/subscription/features.rs

@@ -434,15 +434,6 @@ impl UpgradePrompt {
             self.required_tier.display_name().to_lowercase()
         )
     }
-
-    /// Get the Stripe checkout URL with referral code
-    pub fn checkout_url_with_referral(&self, referral_code: &str) -> String {
-        format!(
-            "https://cxlinux.com/pricing/checkout?tier={}&ref={}",
-            self.required_tier.display_name().to_lowercase(),
-            referral_code
-        )
-    }
 }
 
 /// Helper macro for checking features

wezterm-gui/src/subscription/mod.rs

@@ -166,33 +166,13 @@ impl SubscriptionManager {
     pub async fn create_checkout_session(
         &self,
         target_tier: SubscriptionTier,
-    ) -> Result<CheckoutSession, StripeError> {
-        self.create_checkout_session_with_referral(target_tier, None, None).await
-    }
-
-    /// Create a Stripe checkout session with referral/promo code support
-    pub async fn create_checkout_session_with_referral(
-        &self,
-        target_tier: SubscriptionTier,
-        referral_code: Option<&str>,
-        promotion_code: Option<&str>,
     ) -> Result<CheckoutSession, StripeError> {
         let client = self
             .stripe_client
             .as_ref()
             .ok_or(StripeError::NotConfigured)?;
 
-        // Get customer email from current license if available
-        let customer_email = self.license.as_ref().map(|l| l.email.as_str());
-
-        client
-            .create_checkout_session_with_options(
-                target_tier,
-                referral_code,
-                promotion_code,
-                customer_email,
-            )
-            .await
+        client.create_checkout_session(target_tier).await
     }
 
     /// Get Stripe customer portal URL

wezterm-gui/src/subscription/stripe.rs

@@ -183,17 +183,6 @@ impl StripeClient {
     pub async fn create_checkout_session(
         &self,
         tier: SubscriptionTier,
-    ) -> Result<CheckoutSession, super::StripeError> {
-        self.create_checkout_session_with_options(tier, None, None, None).await
-    }
-
-    /// Create a checkout session with full options including referral support
-    pub async fn create_checkout_session_with_options(
-        &self,
-        tier: SubscriptionTier,
-        referral_code: Option<&str>,
-        promotion_code: Option<&str>,
-        customer_email: Option<&str>,
     ) -> Result<CheckoutSession, super::StripeError> {
         let price_id = tier
             .stripe_price_id_monthly()
@@ -205,30 +194,12 @@ impl StripeClient {
             ("cancel_url", self.config.cancel_url.clone()),
             ("line_items[0][price]", price_id.to_string()),
             ("line_items[0][quantity]", "1".to_string()),
-            // Allow users to enter promotion codes at checkout
-            ("allow_promotion_codes", "true".to_string()),
         ];
 
         // Add metadata
         params.push(("metadata[tier]", tier.display_name().to_string()));
         params.push(("metadata[source]", "cx-terminal".to_string()));
 
-        // Add referral code to metadata for tracking
-        if let Some(ref_code) = referral_code {
-            params.push(("metadata[referral_code]", ref_code.to_string()));
-            params.push(("client_reference_id", ref_code.to_string()));
-        }
-
-        // Pre-apply a Stripe promotion code if provided
-        if let Some(promo_code) = promotion_code {
-            params.push(("discounts[0][promotion_code]", promo_code.to_string()));
-        }
-
-        // Pre-fill customer email if known
-        if let Some(email) = customer_email {
-            params.push(("customer_email", email.to_string()));
-        }
-
         let response = self
             .client
             .post(format!("{}/checkout/sessions", self.base_url))