Adding support for preceding and ordering document refs

.github/workflows/lint.yaml

@@ -13,15 +13,15 @@ jobs:
 
  steps:
  - name: Check out code
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Set up Go
- uses: actions/setup-go@v4
+ uses: actions/setup-go@v5
  with:
  go-version-file: "go.mod"
  id: go
 
  - name: Lint
- uses: golangci/golangci-lint-action@v2
+ uses: golangci/golangci-lint-action@v6
  with:
  version: v1.58

README.md

@@ -21,7 +21,7 @@ Unlike other tax regimes, Italy requires simplified invoices to include the cust
 
 ## Sources
 
-You can find copies of the Italian FatturaPA schema in the [schemas folder](./schema).
+You can find copies of the Italian FatturaPA schema in the [schemas folder](./schemas).
 
 Key websites:
 
@@ -46,11 +46,6 @@ The FatturaPA XML schema is quite large and complex. This library is not complet
 Some of the optional elements currently not supported include:
 
 - `Allegati` (attachments)
-- `DatiOrdineAcquisto` (data related to purchase orders)
-- `DatiContratto` (data related to contracts)
-- `DatiConvenzione` (data related to conventions)
-- `DatiRicezione` (data related to receipts)
-- `DatiFattureCollegate` (data related to linked invoices)
 - `DatiBollo` (data related to duty stamps)
 
 ## Usage

body.go

@@ -7,6 +7,7 @@ import (
  "github.com/invopop/gobl/addons/it/sdi"
  "github.com/invopop/gobl/bill"
  "github.com/invopop/gobl/cbc"
+ "github.com/invopop/gobl/org"
  "github.com/invopop/gobl/regimes/it"
 )
 
@@ -26,15 +27,31 @@ const stampDutyCode = "SI"
 // fatturaElettronicaBody contains all invoice data apart from the parties
 // involved, which are contained in FatturaElettronicaHeader.
 type fatturaElettronicaBody struct {
- DatiGenerali *datiGenerali
+ DatiGenerali *GeneralData `xml:"DatiGenerali,omitempty"`
  DatiBeniServizi *datiBeniServizi
  DatiPagamento *datiPagamento `xml:",omitempty"`
 }
 
-// datiGenerali contains general data about the invoice such as retained taxes,
+// GeneralData contains general data about the invoice such as retained taxes,
 // invoice number, invoice date, document type, etc.
-type datiGenerali struct {
- DatiGeneraliDocumento *datiGeneraliDocumento
+type GeneralData struct {
+ Document *datiGeneraliDocumento `xml:"DatiGeneraliDocumento"`
+ Purchases []*DocumentRef `xml:"DatiOrdineAcquisto,omitempty"`
+ Contracts []*DocumentRef `xml:"DatiContratto,omitempty"`
+ Tender []*DocumentRef `xml:"DatiConvenzione,omitempty"`
+ Receiving []*DocumentRef `xml:"DatiRicezione,omitempty"`
+ Preceding []*DocumentRef `xml:"DatiFattureCollegate,omitempty"`
+}
+
+// DocumentRef contains data about a previous document.
+type DocumentRef struct {
+ Lines []int `xml:"RiferimentoNumeroLinea"` // detail row of the invoice referred to (if the reference is to the entire invoice, this is not filled in)
+ Code string `xml:"IdDocumento"` // document number
+ IssueDate string `xml:"Data,omitempty"` // document date (expressed according to the ISO 8601:2004 format)
+ LineCode string `xml:"NumItem,omitempty"` // identification of the single item on the document (e.g. in the case of a purchase order, this is the number of the row of the purchase order, or, in the case of a contract, it is the number of the row of the contract, etc. )
+ OrderCode string `xml:"CodiceCommessaConvenzione,omitempty"` // order or agreement code
+ CUPCode string `xml:"CodiceCUP,omitempty"` // code managed by the CIPE (Interministerial Committee for Economic Planning) which characterises every public investment project (Individual Project Code).
+ CIGCode string `xml:"CodiceCIG,omitempty"` // Tender procedure identification code
 }
 
 type datiGeneraliDocumento struct {
@@ -71,7 +88,7 @@ func newFatturaElettronicaBody(inv *bill.Invoice) (*fatturaElettronicaBody, erro
  return nil, err
  }
 
- dg, err := newDatiGenerali(inv)
+ dg, err := newGeneralData(inv)
  if err != nil {
  return nil, err
  }
@@ -83,7 +100,57 @@ func newFatturaElettronicaBody(inv *bill.Invoice) (*fatturaElettronicaBody, erro
  }, nil
 }
 
-func newDatiGenerali(inv *bill.Invoice) (*datiGenerali, error) {
+func newGeneralData(inv *bill.Invoice) (*GeneralData, error) {
+ gd := new(GeneralData)
+ var err error
+ if gd.Document, err = newGeneralDataDocument(inv); err != nil {
+ return nil, err
+ }
+ gd.Preceding = newDocumentRefs(inv.Preceding)
+ if o := inv.Ordering; o != nil {
+ gd.Purchases = newDocumentRefs(o.Purchases)
+ gd.Contracts = newDocumentRefs(o.Contracts)
+ gd.Tender = newDocumentRefs(o.Tender)
+ gd.Receiving = newDocumentRefs(o.Receiving)
+ }
+ return gd, nil
+}
+
+func newDocumentRefs(refs []*org.DocumentRef) []*DocumentRef {
+ out := make([]*DocumentRef, len(refs))
+ for i, ref := range refs {
+ out[i] = newDocumentRef(ref)
+ }
+ return out
+}
+
+func newDocumentRef(ref *org.DocumentRef) *DocumentRef {
+ dr := &DocumentRef{
+ Lines: ref.Lines,
+ Code: ref.Series.Join(ref.Code).String(),
+ }
+ if ref.IssueDate != nil {
+ dr.IssueDate = ref.IssueDate.String()
+ }
+ for _, id := range ref.Identities {
+ switch id.Key {
+ case org.IdentityKeyOrder:
+ dr.OrderCode = string(id.Code)
+ case org.IdentityKeyItem:
+ dr.LineCode = string(id.Code)
+ }
+ switch id.Type {
+ case sdi.IdentityTypeCIG:
+ dr.CIGCode = string(id.Code)
+ case sdi.IdentityTypeCUP:
+ dr.CUPCode = string(id.Code)
+ }
+ }
+
+ return dr
+}
+
+func newGeneralDataDocument(inv *bill.Invoice) (*datiGeneraliDocumento, error) {
  dr, err := extractRetainedTaxes(inv)
  if err != nil {
  return nil, err
@@ -104,19 +171,19 @@ func newDatiGenerali(inv *bill.Invoice) (*datiGenerali, error) {
  code = cbc.Code(fmt.Sprintf("%s-%s", inv.Series, inv.Code))
  }
 
- return &datiGenerali{
- DatiGeneraliDocumento: &datiGeneraliDocumento{
-  TipoDocumento: codeTipoDocumento,
-  Divisa: string(inv.Currency),
-  Data:  inv.IssueDate.String(),
-  Numero:  code.String(),
-  DatiRitenuta: dr,
-  DatiBollo: newDatiBollo(inv.Charges),
-  ImportoTotaleDocumento: formatAmount(&inv.Totals.Payable),
-  ScontoMaggiorazione: extractPriceAdjustments(inv),
-  Causale: extractInvoiceReasons(inv),
- },
- }, nil
+ doc := &datiGeneraliDocumento{
+ TipoDocumento: codeTipoDocumento,
+ Divisa:  string(inv.Currency),
+ Data:  inv.IssueDate.String(),
+ Numero: code.String(),
+ DatiRitenuta: dr,
+ DatiBollo:  newDatiBollo(inv.Charges),
+ ImportoTotaleDocumento: formatAmount(&inv.Totals.Payable),
+ ScontoMaggiorazione: extractPriceAdjustments(inv),
+ Causale:  extractInvoiceReasons(inv),
+ }
+
+ return doc, nil
 }
 
 func findCodeTipoDocumento(inv *bill.Invoice) (string, error) {

cmd/gobl.fatturapa/convert.go

@@ -2,8 +2,11 @@
 package main
 
 import (
+ "bytes"
+ "encoding/json"
  "fmt"
 
+ "github.com/invopop/gobl"
  fatturapa "github.com/invopop/gobl.fatturapa"
  "github.com/invopop/gobl/l10n"
  "github.com/invopop/xmldsig"
@@ -55,8 +58,12 @@ func (c *convertOpts) runE(cmd *cobra.Command, args []string) error {
  return err
  }
 
- env, err := fatturapa.UnmarshalGOBL(input)
- if err != nil {
+ buf := new(bytes.Buffer)
+ if _, err := buf.ReadFrom(input); err != nil {
+ panic(err)
+ }
+ env := new(gobl.Envelope)
+ if err := json.Unmarshal(buf.Bytes(), env); err != nil {
  return err
  }
 

converter.go

@@ -1,12 +1,8 @@
 package fatturapa
 
 import (
- "bytes"
- "encoding/json"
- "io"
  "time"
 
- "github.com/invopop/gobl"
  "github.com/invopop/xmldsig"
 )
 
@@ -72,18 +68,3 @@ func NewConverter(opts ...Option) *Converter {
 
  return c
 }
-
-// UnmarshalGOBL converts the given JSON document to a GOBL Envelope
-func UnmarshalGOBL(reader io.Reader) (*gobl.Envelope, error) {
- buf := new(bytes.Buffer)
- if _, err := buf.ReadFrom(reader); err != nil {
- return nil, err
- }
-
- env := new(gobl.Envelope)
- if err := json.Unmarshal(buf.Bytes(), env); err != nil {
- return nil, err
- }
-
- return env, nil
-}

go.mod

@@ -5,7 +5,7 @@ go 1.22
 toolchain go1.22.5
 
 require (
- github.com/invopop/gobl v0.200.0-rc3
+ github.com/invopop/gobl v0.202.0
  github.com/invopop/xmldsig v0.8.0
  github.com/lestrrat-go/libxml2 v0.0.0-20240521004304-a75c203ac627
  github.com/spf13/cobra v1.8.1

go.sum

@@ -22,8 +22,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/invopop/gobl v0.200.0-rc3 h1:Y/sQMQHufdlNx5Jlx78bnrValco/JLIqA9WbJjbLi5M=
-github.com/invopop/gobl v0.200.0-rc3/go.mod h1:DmPohPel8b3ta4nDKnXRNzWQlB89cN74e0/WwPUEZUU=
+github.com/invopop/gobl v0.202.0 h1:iUKk7FCKHbEKzuK7qAIxRkZAuh/8g09F9+Ufvs7aWbM=
+github.com/invopop/gobl v0.202.0/go.mod h1:DmPohPel8b3ta4nDKnXRNzWQlB89cN74e0/WwPUEZUU=
 github.com/invopop/jsonschema v0.12.0 h1:6ovsNSuvn9wEQVOyc72aycBMVQFKz7cPdMJn10CvzRI=
 github.com/invopop/jsonschema v0.12.0/go.mod h1:ffZ5Km5SWWRAIN6wbDXItl95euhFz2uON45H2qjYt+0=
 github.com/invopop/validation v0.7.0 h1:NBPLqvYGmLZLQuk5jh0PbaBBetJW7f2VEk/BTWJkGBU=

retained_taxes_test.go

@@ -9,25 +9,25 @@ import (
 )
 
 func TestDatiRitenuta(t *testing.T) {
- t.Run("When retained taxes are NOT present", func(t *testing.T) {
+ t.Run("when retained taxes are NOT present", func(t *testing.T) {
  t.Run("should be empty", func(t *testing.T) {
  env := test.LoadTestFile("invoice-simple.json")
  doc, err := test.ConvertFromGOBL(env)
  require.NoError(t, err)
 
- dr := doc.FatturaElettronicaBody[0].DatiGenerali.DatiGeneraliDocumento.DatiRitenuta
+ dr := doc.FatturaElettronicaBody[0].DatiGenerali.Document.DatiRitenuta
 
  assert.Empty(t, dr)
  })
  })
 
- t.Run("When retained taxes are present", func(t *testing.T) {
+ t.Run("when retained taxes are present", func(t *testing.T) {
  t.Run("should contain the correct retainted taxes", func(t *testing.T) {
  env := test.LoadTestFile("invoice-irpef.json")
  doc, err := test.ConvertFromGOBL(env)
  require.NoError(t, err)
 
- dr := doc.FatturaElettronicaBody[0].DatiGenerali.DatiGeneraliDocumento.DatiRitenuta
+ dr := doc.FatturaElettronicaBody[0].DatiGenerali.Document.DatiRitenuta
 
  require.Len(t, dr, 2)