add review and booking policies

apps/api/src/modules/complaints/complaint.service.ts

@@ -0,0 +1,75 @@
+import { NotFoundError } from '../../http/errors'
+import * as repo from './complaint.repo'
+
+export async function listComplaints(
+  companyId: string,
+  query: { status?: string; severity?: string; category?: string; page: number; pageSize: number },
+) {
+  const { status, severity, category, page, pageSize } = query
+  const where: Record<string, unknown> = {}
+  if (status)   where.status   = status
+  if (severity) where.severity = severity
+  if (category) where.category = category
+
+  const [complaints, total] = await repo.findMany(companyId, where, (page - 1) * pageSize, pageSize)
+  return {
+    data: complaints,
+    meta: { total, page, pageSize, totalPages: Math.ceil(total / pageSize) },
+  }
+}
+
+export async function getComplaint(id: string, companyId: string) {
+  const complaint = await repo.findById(id, companyId)
+  if (!complaint) throw new NotFoundError('Complaint not found')
+  return complaint
+}
+
+export async function createComplaint(
+  companyId: string,
+  data: {
+    reservationId?: string
+    reviewId?: string
+    customerId?: string
+    severity: string
+    category: string
+    subject: string
+    description?: string
+    assignedTo?: string
+  },
+) {
+  return repo.create({ companyId, ...data })
+}
+
+export async function updateComplaint(
+  id: string,
+  companyId: string,
+  data: {
+    status?: string
+    severity?: string
+    category?: string
+    subject?: string
+    description?: string
+    notes?: string
+    resolution?: string
+    assignedTo?: string
+  },
+) {
+  const existing = await repo.findById(id, companyId)
+  if (!existing) throw new NotFoundError('Complaint not found')
+
+  const updateData: Record<string, unknown> = { ...data }
+
+  // When status changes to RESOLVED, set resolvedAt
+  if (data.status === 'RESOLVED' && existing.status !== 'RESOLVED') {
+    updateData.resolvedAt = new Date()
+  }
+
+  return repo.updateById(id, updateData)
+}
+
+export async function deleteComplaint(id: string, companyId: string) {
+  const existing = await repo.findById(id, companyId)
+  if (!existing) throw new NotFoundError('Complaint not found')
+  await repo.deleteById(id)
+  return { success: true }
+}