generated: '2026-07-18'
method: derived
source: openapi/earnipay-e-invoicing-openapi-original.json
notes: >-
  Entity-relationship graph derived from the Earnipay Invoicing API OpenAPI —
  request DTO id-reference fields and the resource path structure. Response
  entity schemas are not declared in the spec, so relationships are inferred
  from foreign-key fields (customerId, paymentDetailId) and controller grouping.
entities:
- name: User
  operations: [UserController_getCurrentUser_v1, UserController_updateProfile_v1]
- name: Business
  operations: [BusinessController_createBusiness_v1, BusinessController_getBusinessById_v1]
- name: Customer
  operations: [CustomerController_createCustomer_v1, CustomerController_getCustomers_v1]
- name: Product
  operations: [ProductController_createProduct_v1, ProductController_getProducts_v1]
- name: PaymentDetail
  operations: [PaymentDetailController_create_v1, PaymentDetailController_findAll_v1]
- name: Invoice
  operations: [InvoiceController_createInvoice_v1, InvoiceController_getInvoices_v1]
- name: InvoiceItem
  operations: [InvoiceController_createInvoice_v1]
- name: TeamMember
  operations: [TeamController_inviteTeamMember_v1, TeamController_getTeam_v1]
relationships:
- from: Business
  type: has_many
  to: Customer
  via: business context
- from: Business
  type: has_many
  to: Product
  via: business context
- from: Business
  type: has_many
  to: Invoice
  via: business context
- from: Business
  type: has_many
  to: TeamMember
  via: team invitation
- from: Invoice
  type: belongs_to
  to: Customer
  via: customerId
- from: Invoice
  type: belongs_to
  to: PaymentDetail
  via: paymentDetailId
- from: Invoice
  type: has_many
  to: InvoiceItem
  via: items
- from: User
  type: has_many
  to: Business
  via: ownership