Migrate to local PG & Update Solana Checkout

app/api/merchants/route.ts

@@ -1,5 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server';
-import { supabaseAdmin } from '@/lib/supabase-admin';
+import { db } from '@/lib/db';
 
 export async function POST(req: NextRequest) {
     try {
@@ -22,24 +22,21 @@ export async function POST(req: NextRequest) {
             return result;
         };
 
-        const { data, error } = await supabaseAdmin
-            .from('merchants')
-            .insert([{
-                name,
-                webhook_url,
-                short_id: generateShortId(),
-                payment_provider: payment_provider || 'stripe',
-                provider_config: provider_config || {}
-            }])
-            .select()
-            .single();
+        const shortId = generateShortId();
+        const provider = payment_provider || 'stripe';
+        const configStr = provider_config ? JSON.stringify(provider_config) : '{}';
 
-        if (error) {
-            console.error('Merchant creation error:', error);
-            return NextResponse.json({ error: error.message }, { status: 500 });
+        const result = await db.query(
+            `INSERT INTO merchants (name, webhook_url, short_id, payment_provider, provider_config) 
+             VALUES ($1, $2, $3, $4, $5) RETURNING *`,
+            [name, webhook_url, shortId, provider, configStr]
+        );
+
+        if (result.rows.length === 0) {
+           throw new Error('Could not insert merchant');
         }
 
-        return NextResponse.json(data);
+        return NextResponse.json(result.rows[0]);
     } catch (err: any) {
         console.error('Internal Error:', err);
         return NextResponse.json(
@@ -51,16 +48,8 @@ export async function POST(req: NextRequest) {
 
 export async function GET() {
     try {
-        const { data, error } = await supabaseAdmin
-            .from('merchants')
-            .select('*')
-            .order('created_at', { ascending: false });
-
-        if (error) {
-            return NextResponse.json({ error: error.message }, { status: 500 });
-        }
-
-        return NextResponse.json(data);
+        const result = await db.query('SELECT * FROM merchants ORDER BY created_at DESC');
+        return NextResponse.json(result.rows);
     } catch (err: any) {
         return NextResponse.json(
             { error: `Internal Server Error: ${err.message}` },