92 lines
4.2 KiB
Markdown
92 lines
4.2 KiB
Markdown
# Payments Backend
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## Purpose
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`payments` is the per-organization record of payments received against invoices. It is a
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generic-CRUD slice assembled from the shared factories; the backend is the source of truth for
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payment records.
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## Slice Files (by layer)
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- Route: `src/routes/payments.ts` — `createCrudRouter(controller, { permission: 'payments' })`.
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- Controller: `src/api/controllers/payments.controller.ts` — `createCrudController(service, { csvFields })`.
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- Service (BLL): `src/services/payments.ts` — `createCrudService(DbApi, { notFoundCode: 'paymentsNotFound' })`.
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- Repository (DAL): `src/db/api/payments.ts` (`PaymentsDBApi`) — entity-specific
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`create`/`bulkImport`/`update`/`findBy`/`findAll`; `remove`/`deleteByIds`/`findAllAutocomplete`
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delegate to `db/api/shared/repository.ts`.
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- Model: `src/db/models/payments.ts`.
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- Shared used: CRUD factories (`services/shared/crud-service.ts`,
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`api/controllers/shared/crud-controller.ts`, `api/http/crud-router.ts`), repository helpers
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(`db/api/shared/repository.ts`), `shared/constants/pagination.ts` (`resolvePagination`),
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`db/api/file.ts` (`replaceRelationFiles` for the `proof` relation).
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## API
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The standard generic-CRUD surface (all under `/api/payments`, JWT + `${METHOD}_PAYMENTS`
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permission, all `200`) — see `backend-architecture.md` for the shared contract:
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- `POST /` — body `{ data }`, returns `true`.
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- `POST /bulk-import` — multipart CSV file, returns `true`.
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- `PUT /:id` — body `{ data, id }` (the service reads the id from the **body**, not the path
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param), returns `true`.
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- `DELETE /:id` — returns `true`.
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- `POST /deleteByIds` — body `{ data: string[] }`, returns `true`.
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- `GET /` — query filters, returns `{ rows, count }`; `?filetype=csv` streams a CSV of `csvFields`.
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- `GET /count` — returns `{ rows: [], count }`.
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- `GET /autocomplete` — `?query&limit&offset`, returns `[{ id, label }]` where `label` is
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`receipt_number`.
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- `GET /:id` — returns the record with eager associations (see Data Contract).
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`csvFields`: `id`, `receipt_number`, `reference_code`, `notes`, `amount`, `paid_at`.
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## Access Rules
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- JWT required; the whole router is guarded by `checkCrudPermissions('payments')`, deriving
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`READ_PAYMENTS` / `CREATE_PAYMENTS` / `UPDATE_PAYMENTS` / `DELETE_PAYMENTS` per HTTP method.
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- Access is granted by role permission or per-user `custom_permissions` (see `permissions.md`).
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## Tenant Scope
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- `findAll` scopes `where.organizationId` to `currentUser.organizationId`; a `globalAccess`
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role clears the org filter (sees all tenants).
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- `create` assigns the organization from `currentUser.organizationId`; `update` only reassigns
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organization for `globalAccess` users (otherwise it stays the caller's org).
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## Data Contract
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Model columns (`paranoid`, soft-delete via `deletedAt`):
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- `id` (UUID PK), `receipt_number`, `reference_code`, `notes` (TEXT, nullable).
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- `paid_at` — DATE.
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- `amount` — DECIMAL.
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- `method` — ENUM `cash` | `bank_transfer` | `card` | `mobile_money` | `cheque` | `other`.
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- `importHash` (unique), `invoiceId`, `organizationId`, `received_byId`, `createdById`,
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`updatedById`, timestamps.
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Associations: `belongsTo` organization, invoice, received_by (staff), createdBy/updatedBy
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(users); `hasMany` file as `proof` (scoped relation). `findBy`/`GET /:id` eager-load
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organization, invoice, received_by, proof in a single `Promise.all`.
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List filters (`PaymentsFilter`): `id`, `receipt_number`, `reference_code`, `notes`,
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`paid_atRange`, `amountRange`, `method`, `invoice` (id or invoice_number, `|`-separated),
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`received_by` (id or employee_number, `|`-separated), `organization`, `createdAtRange`, plus
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`field`/`sort` ordering and `limit`/`page` pagination.
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## Behavior / Notes
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- `create`/`bulkImport`/`update` manage the `proof` file relation via
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`FileDBApi.replaceRelationFiles`.
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- `bulkImport` offsets `createdAt` per row by `BULK_IMPORT_TIMESTAMP_STEP_MS` to preserve order.
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- List pagination uses the shared `resolvePagination` defaults (page size 10, capped at 100).
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- Note: `PaymentsFilter` accepts an `active` flag the model has no column for; it is currently
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inert (kept for source accuracy).
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## Tests
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None yet.
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## Related
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- Generic-CRUD contract: `backend-architecture.md`; related slices: `invoices`, `staff`,
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`file.md`, `permissions.md`.
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