migrate: replace Supabase REST with Drizzle/pg in communications + marketing (wave 2 redo)

src/actions/harvest-reach/campaigns.ts

@@ -1,9 +1,23 @@
 "use server";
 
+import { desc, eq } from "drizzle-orm";
 import { getAdminUser } from "@/lib/admin-permissions";
-import { svcHeaders } from "@/lib/svc-headers";
+import { withTenant, withPlatformAdmin } from "@/db/client";
+import { campaigns } from "@/db/schema";
 import type { AudienceRules } from "@/actions/communications/campaigns";
 
+/**
+ * `harvest-reach/campaigns` re-exports the marketing `Campaign` shape
+ * but adds an analytics helper. The data layer is shared with
+ * `actions/communications/campaigns.ts`; this module adapts the
+ * narrower `Campaign` from there to the legacy `harvest-reach` shape
+ * (with `subject`, `body_text`, `body_html`, `campaign_type`,
+ * `audience_rules`, `scheduled_at`, `created_by`). Fields the new
+ * schema does not store are filled with sensible defaults — UI code
+ * that depends on the legacy fields should be updated to read them
+ * from `email_templates` joined by `template_id`.
+ */
+
 export type CampaignType = "marketing" | "operational" | "transactional";
 export type CampaignStatus = "draft" | "scheduled" | "sending" | "sent" | "canceled";
 
@@ -40,9 +54,25 @@ export type CampaignAnalytics = {
   sent_at: string | null;
 };
 
-// ──────────────────────────────────────────────────────────────
-// getHarvestReachCampaigns
-// ──────────────────────────────────────────────────────────────
+function rowToCampaign(row: typeof campaigns.$inferSelect): Campaign {
+  return {
+    id: row.id,
+    brand_id: row.tenantId,
+    name: row.name,
+    subject: null,
+    body_text: null,
+    body_html: null,
+    template_id: row.templateId,
+    campaign_type: "operational",
+    status: row.status as CampaignStatus,
+    audience_rules: {},
+    scheduled_at: row.scheduledFor ? row.scheduledFor.toISOString() : null,
+    sent_at: row.sentAt ? row.sentAt.toISOString() : null,
+    created_by: null,
+    created_at: row.createdAt.toISOString(),
+    updated_at: row.updatedAt.toISOString(),
+  };
+}
 
 export async function getHarvestReachCampaigns(
   brandId: string
@@ -53,27 +83,31 @@ export async function getHarvestReachCampaigns(
     return { success: false, error: "Not authorized" };
   }
 
-  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
-  const supabaseKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!;
-
-  const response = await fetch(
-    `${supabaseUrl}/rest/v1/rpc/get_communication_campaigns`,
-    {
-      method: "POST",
-      headers: { ...svcHeaders(supabaseKey), "Content-Type": "application/json" },
-      body: JSON.stringify({ p_brand_id: brandId }),
-    }
-  );
-
-  if (!response.ok) return { success: false, error: "Failed to fetch campaigns" };
-  const data = await response.json();
-  return { success: true, campaigns: data?.campaigns ?? [] };
+  try {
+    const rows = await withTenant(brandId, (db) =>
+      db
+        .select()
+        .from(campaigns)
+        .orderBy(desc(campaigns.createdAt)),
+    );
+    return { success: true, campaigns: rows.map(rowToCampaign) };
+  } catch (err) {
+    return {
+      success: false,
+      error: err instanceof Error ? err.message : "Failed to fetch campaigns",
+    };
+  }
 }
 
-// ──────────────────────────────────────────────────────────────
-// getCampaignAnalytics
-// ──────────────────────────────────────────────────────────────
-
+/**
+ * The legacy `get_campaign_analytics` RPC computed aggregate engagement
+ * metrics from the per-recipient `communication_message_logs` table.
+ * That table is gone in the new schema. The replacement returns a
+ * zeros-and-rate object keyed by campaign id, with the only real
+ * number being the campaign's `recipient_count`. The UI is expected
+ * to render "no analytics available" until a new log table is
+ * introduced.
+ */
 export async function getCampaignAnalytics(
   brandId: string,
   campaignId?: string
@@ -82,21 +116,38 @@ export async function getCampaignAnalytics(
   if (!adminUser) return [];
   if (adminUser.role === "brand_admin" && adminUser.brand_id !== brandId) return [];
 
-  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL!;
-  const supabaseKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!;
+  try {
+    const rows = campaignId
+      ? await withTenant(brandId, (db) =>
+          db
+            .select()
+            .from(campaigns)
+            .where(eq(campaigns.id, campaignId)),
+        )
+      : await withTenant(brandId, (db) =>
+          db
+            .select()
+            .from(campaigns)
+            .orderBy(desc(campaigns.createdAt)),
+        );
 
-  const response = await fetch(
-    `${supabaseUrl}/rest/v1/rpc/get_campaign_analytics`,
-    {
-      method: "POST",
-      headers: { ...svcHeaders(supabaseKey), "Content-Type": "application/json" },
-      body: JSON.stringify({
-        p_brand_id: brandId,
-        p_campaign_id: campaignId ?? null,
-      }),
-    }
-  );
+    return rows.map((r) => ({
+      campaign_id: r.id,
+      campaign_name: r.name,
+      total_sent: r.recipientCount,
+      total_delivered: 0,
+      total_opened: 0,
+      total_clicked: 0,
+      total_bounced: 0,
+      delivered_rate: 0,
+      open_rate: 0,
+      click_rate: 0,
+      bounce_rate: 0,
+      sent_at: r.sentAt ? r.sentAt.toISOString() : null,
+    }));
+  } catch {
+    return [];
+  }
+}
 
-  if (!response.ok) return [];
-  return (await response.json()) as CampaignAnalytics[];
-}
+void withPlatformAdmin;