fix: align campaign public URL with SUPABASE_PROJECT_URL

Author: baderdean

supabase/functions/.env.dev

@@ -1,6 +1,6 @@
 LEADMINER_ANON_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24iLCJleHAiOjE5ODM4MTI5OTZ9.CRXP1A7WOeoJeXxjNni43kdQwgnWNReilDMblYTn_I0
 LEADMINER_HASH_SECRET=change_me
-LEADMINER_PROJECT_URL=http://host.docker.internal:54321/
+SUPABASE_PROJECT_URL=http://host.docker.internal:54321/
 LEADMINER_SECRET_TOKEN=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6InNlcnZpY2Vfcm9sZSIsImV4cCI6MTk4MzgxMjk5Nn0.EGIM96RAZx35lJzdJsyH-qQwv8Hdp7fsn3W0YpN81IU
 
 # Use an SMTP testing service like Ethereal for development https://ethereal.email/

supabase/functions/.env.prod

@@ -1,6 +1,6 @@
 LEADMINER_ANON_KEY=      # ( REQUIRED ) Supabase anon key
 LEADMINER_HASH_SECRET=   # ( REQUIRED ) The hash secret used by backend
-LEADMINER_PROJECT_URL=   # ( REQUIRED ) Supabase project url
+SUPABASE_PROJECT_URL=    # ( REQUIRED ) Supabase project url
 LEADMINER_SECRET_TOKEN=  # ( REQUIRED ) Supabase service role key
 
 SMTP_HOST=

supabase/functions/_shared/url.test.ts

@@ -2,7 +2,7 @@ import {
   assertEquals,
   assertThrows,
 } from "https://deno.land/std@0.224.0/assert/mod.ts";
-import { resolvePublicBaseUrl } from "./url.ts";
+import { resolveCampaignBaseUrlFromEnv, resolvePublicBaseUrl } from "./url.ts";
 
 Deno.test("resolvePublicBaseUrl prefers explicit public URL", () => {
   const value = resolvePublicBaseUrl(
@@ -20,3 +20,22 @@ Deno.test("resolvePublicBaseUrl falls back to secondary URL", () => {
 Deno.test("resolvePublicBaseUrl throws when both values are missing", () => {
   assertThrows(() => resolvePublicBaseUrl());
 });
+
+Deno.test("resolveCampaignBaseUrlFromEnv prefers SUPABASE_PROJECT_URL", () => {
+  const value = resolveCampaignBaseUrlFromEnv((key) => {
+    if (key === "SUPABASE_PROJECT_URL") return "https://db-qa.domain.io/";
+    if (key === "SUPABASE_URL") return "http://kong:8000";
+    return undefined;
+  });
+
+  assertEquals(value, "https://db-qa.domain.io");
+});
+
+Deno.test("resolveCampaignBaseUrlFromEnv falls back to SUPABASE_URL", () => {
+  const value = resolveCampaignBaseUrlFromEnv((key) => {
+    if (key === "SUPABASE_URL") return "http://localhost:54321/";
+    return undefined;
+  });
+
+  assertEquals(value, "http://localhost:54321");
+});

supabase/functions/_shared/url.ts

@@ -2,6 +2,8 @@ function normalizeBaseUrl(url: string): string {
   return url.replace(/\/+$/, "");
 }
 
+type EnvReader = (key: string) => string | undefined;
+
 export function resolvePublicBaseUrl(
   explicitPublicUrl?: string,
   fallbackUrl?: string,
@@ -12,3 +14,10 @@ export function resolvePublicBaseUrl(
   }
   return normalizeBaseUrl(candidate);
 }
+
+export function resolveCampaignBaseUrlFromEnv(readEnv: EnvReader): string {
+  return resolvePublicBaseUrl(
+    readEnv("SUPABASE_PROJECT_URL"),
+    readEnv("SUPABASE_URL"),
+  );
+}