feat: rewrite tenants service to use TenantConnectionManager

- Replace inline schema SQL with tenantDb.provisionDatabase
- Delete now soft-deletes DB (rename) and invalidates pool
- Use PLANS config for default limits per plan

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/api/src/services/tenants.service.ts

@@ -1,4 +1,5 @@
-import { prisma } from '../config/database.js';
+import { prisma, tenantDb } from '../config/database.js';
+import { PLANS } from '@horux/shared';
 
 export async function getAllTenants() {
   return prisma.tenant.findMany({
@@ -41,102 +42,23 @@ export async function createTenant(data: {
   cfdiLimit?: number;
   usersLimit?: number;
 }) {
-  const databaseName = `horux_${data.rfc.toLowerCase().replace(/[^a-z0-9]/g, '')}`;
+  const plan = data.plan || 'starter';
+  const planConfig = PLANS[plan];
+
+  // Provision a dedicated database for this tenant
+  const databaseName = await tenantDb.provisionDatabase(data.rfc);
 
-  // Create tenant record
   const tenant = await prisma.tenant.create({
     data: {
       nombre: data.nombre,
       rfc: data.rfc.toUpperCase(),
-      plan: data.plan || 'starter',
+      plan,
       databaseName,
-      cfdiLimit: data.cfdiLimit || 500,
-      usersLimit: data.usersLimit || 3,
+      cfdiLimit: data.cfdiLimit || planConfig.cfdiLimit,
+      usersLimit: data.usersLimit || planConfig.usersLimit,
     }
   });
 
-  // Create schema and tables for the tenant
-  await prisma.$executeRawUnsafe(`CREATE SCHEMA IF NOT EXISTS "${databaseName}"`);
-
-  // Create CFDIs table
-  await prisma.$executeRawUnsafe(`
-    CREATE TABLE IF NOT EXISTS "${databaseName}"."cfdis" (
-      id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-      uuid_fiscal VARCHAR(36) UNIQUE NOT NULL,
-      tipo VARCHAR(20) NOT NULL,
-      serie VARCHAR(25),
-      folio VARCHAR(40),
-      fecha_emision TIMESTAMP NOT NULL,
-      fecha_timbrado TIMESTAMP NOT NULL,
-      rfc_emisor VARCHAR(13) NOT NULL,
-      nombre_emisor VARCHAR(300) NOT NULL,
-      rfc_receptor VARCHAR(13) NOT NULL,
-      nombre_receptor VARCHAR(300) NOT NULL,
-      subtotal DECIMAL(18,2) NOT NULL,
-      descuento DECIMAL(18,2) DEFAULT 0,
-      iva DECIMAL(18,2) DEFAULT 0,
-      isr_retenido DECIMAL(18,2) DEFAULT 0,
-      iva_retenido DECIMAL(18,2) DEFAULT 0,
-      total DECIMAL(18,2) NOT NULL,
-      moneda VARCHAR(3) DEFAULT 'MXN',
-      tipo_cambio DECIMAL(10,4) DEFAULT 1,
-      metodo_pago VARCHAR(3),
-      forma_pago VARCHAR(2),
-      uso_cfdi VARCHAR(4),
-      estado VARCHAR(20) DEFAULT 'vigente',
-      xml_url TEXT,
-      pdf_url TEXT,
-      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-    )
-  `);
-
-  // Create IVA monthly table
-  await prisma.$executeRawUnsafe(`
-    CREATE TABLE IF NOT EXISTS "${databaseName}"."iva_mensual" (
-      id SERIAL PRIMARY KEY,
-      año INT NOT NULL,
-      mes INT NOT NULL,
-      iva_trasladado DECIMAL(18,2) NOT NULL,
-      iva_acreditable DECIMAL(18,2) NOT NULL,
-      iva_retenido DECIMAL(18,2) DEFAULT 0,
-      resultado DECIMAL(18,2) NOT NULL,
-      acumulado DECIMAL(18,2) NOT NULL,
-      estado VARCHAR(20) DEFAULT 'pendiente',
-      fecha_declaracion TIMESTAMP,
-      UNIQUE(año, mes)
-    )
-  `);
-
-  // Create alerts table
-  await prisma.$executeRawUnsafe(`
-    CREATE TABLE IF NOT EXISTS "${databaseName}"."alertas" (
-      id SERIAL PRIMARY KEY,
-      tipo VARCHAR(50) NOT NULL,
-      titulo VARCHAR(200) NOT NULL,
-      mensaje TEXT NOT NULL,
-      prioridad VARCHAR(20) DEFAULT 'media',
-      fecha_vencimiento TIMESTAMP,
-      leida BOOLEAN DEFAULT FALSE,
-      resuelta BOOLEAN DEFAULT FALSE,
-      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-    )
-  `);
-
-  // Create calendario_fiscal table
-  await prisma.$executeRawUnsafe(`
-    CREATE TABLE IF NOT EXISTS "${databaseName}"."calendario_fiscal" (
-      id SERIAL PRIMARY KEY,
-      titulo VARCHAR(200) NOT NULL,
-      descripcion TEXT,
-      tipo VARCHAR(20) NOT NULL,
-      fecha_limite TIMESTAMP NOT NULL,
-      recurrencia VARCHAR(20) DEFAULT 'mensual',
-      completado BOOLEAN DEFAULT FALSE,
-      notas TEXT,
-      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-    )
-  `);
-
   return tenant;
 }
 
@@ -173,9 +95,20 @@ export async function updateTenant(id: string, data: {
 }
 
 export async function deleteTenant(id: string) {
-  // Soft delete - just mark as inactive
-  return prisma.tenant.update({
+  const tenant = await prisma.tenant.findUnique({
+    where: { id },
+    select: { databaseName: true },
+  });
+
+  // Soft-delete the tenant record
+  await prisma.tenant.update({
     where: { id },
     data: { active: false }
   });
+
+  // Soft-delete the database (rename with _deleted_ suffix)
+  if (tenant) {
+    await tenantDb.deprovisionDatabase(tenant.databaseName);
+    tenantDb.invalidatePool(id);
+  }
 }