Fix amount inversion on credit notes

.github/workflows/lint.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: "1.18"
+          go-version: "1.21"
         id: go
 
       - name: Check out code
@@ -31,4 +31,4 @@ jobs:
       - name: Lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.51
+          version: v1.55

.github/workflows/release.yaml

@@ -39,7 +39,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.18
+          go-version: 1.21
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2

.github/workflows/test.yaml

@@ -9,7 +9,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v1
         with:
-          go-version: "1.18"
+          go-version: "1.21"
         id: go
 
       - name: Check out code

cmd/gobl.ticketbai/cancel.go

@@ -113,7 +113,7 @@ func (c *cancelOpts) runE(cmd *cobra.Command, args []string) error {
 		panic(err)
 	}
 
-	err = tbai.Cancel(doc)
+	err = tbai.Cancel(cmd.Context(), doc)
 	if err != nil {
 		panic(err)
 	}

cmd/gobl.ticketbai/fetch.go

@@ -63,7 +63,7 @@ func (c *fetchOpts) cmd() *cobra.Command {
 	return cmd
 }
 
-func (c *fetchOpts) runE(*cobra.Command, []string) error {
+func (c *fetchOpts) runE(cmd *cobra.Command, _ []string) error {
 	soft := &ticketbai.Software{
 		NIF:     c.swNIF,
 		Name:    c.swName,
@@ -92,7 +92,7 @@ func (c *fetchOpts) runE(*cobra.Command, []string) error {
 		panic(err)
 	}
 
-	_, err = tbai.Fetch(l10n.Code(c.zone), c.nif, c.name, c.year, c.page)
+	_, err = tbai.Fetch(cmd.Context(), l10n.Code(c.zone), c.nif, c.name, c.year, c.page)
 	if err != nil {
 		panic(err)
 	}

go.mod

@@ -1,10 +1,12 @@
 module github.com/invopop/gobl.ticketbai
 
-go 1.18
+go 1.21
+
+toolchain go1.22.1
 
 require (
 	github.com/go-resty/resty/v2 v2.10.0
-	github.com/invopop/gobl v0.69.0
+	github.com/invopop/gobl v0.69.1
 	github.com/invopop/xmldsig v0.9.0
 	github.com/lestrrat-go/libxml2 v0.0.0-20231124114421-99c71026c2f5
 	github.com/magefile/mage v1.15.0

go.sum

@@ -19,19 +19,21 @@ github.com/go-resty/resty/v2 v2.10.0 h1:Qla4W/+TMmv0fOeeRqzEpXPLfTUnR5HZ1+lGs+Ck
 github.com/go-resty/resty/v2 v2.10.0/go.mod h1:iiP/OpA0CkcL3IGt1O0+/SIItFUbkkyw5BGXiVdTu+A=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
 github.com/google/uuid v1.4.0/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 v0.69.0 h1:W0Nn5QzvTJUXhe3T+mLfrWR9yUKx/xdKpYEPMsrT1lI=
-github.com/invopop/gobl v0.69.0/go.mod h1:Jau+ajdfUCBPVH9VMor6aeYq3S9o7HuSNm07QxxxomE=
+github.com/invopop/gobl v0.69.1 h1:/Hgqx77E0npX0R1X46lRvmkbyXiFRZsi33Q3gG3vN/I=
+github.com/invopop/gobl v0.69.1/go.mod h1:Jau+ajdfUCBPVH9VMor6aeYq3S9o7HuSNm07QxxxomE=
 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 v0.3.0 h1:o260kbjXzoBO/ypXDSSrCLL7SxEFUXBsX09YTE9AxZw=
 github.com/invopop/validation v0.3.0/go.mod h1:qIBG6APYLp2Wu3/96p3idYjP8ffTKVmQBfKiZbw0Hts=
 github.com/invopop/xmldsig v0.9.0 h1:fOmPSGzXgbZEJu2ZkqXYUPJ9w1SkVuMSslb8lB7VNog=
 github.com/invopop/xmldsig v0.9.0/go.mod h1:dc3+2BYNw0vzauyZiOobTltp1t3BbvWSq7ae/F2gdk0=
 github.com/invopop/yaml v0.1.0 h1:YW3WGUoJEXYfzWBjn00zIlrw7brGVD0fUKRYDPAPhrc=
+github.com/invopop/yaml v0.1.0/go.mod h1:2XuRLgs/ouIrW3XNzuNj7J3Nvu/Dig5MXvbCEdiBN3Q=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/lestrrat-go/libxml2 v0.0.0-20231124114421-99c71026c2f5 h1:lR4DHv41vdkhNPNDlr56n8BuLINQeWNeQAaAzBEOcuw=
 github.com/lestrrat-go/libxml2 v0.0.0-20231124114421-99c71026c2f5/go.mod h1:/0MMipmS+5SMXCSkulsvJwYmddKI4IL5tVy6AZMo9n0=
@@ -117,6 +119,7 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/xmlpath.v1 v1.0.0-20140413065638-a146725ea6e7 h1:zibSPXbkfB1Dwl76rJgLa68xcdHu42qmFTe6vAnU4wA=
+gopkg.in/xmlpath.v1 v1.0.0-20140413065638-a146725ea6e7/go.mod h1:wo0SW5T6XqIKCCAge330Cd5sm+7VI6v85OrQHIk50KM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/doc/doc.go

@@ -88,8 +88,7 @@ func NewTicketBAI(inv *bill.Invoice, ts time.Time, role IssuerRole, zone l10n.Co
 		// become "facturas rectificativas por diferencias" and, when a correction is for a
 		// credit operation, the amounts must be negative to cancel out the ones in the
 		// original invoice. For that reason, we invert the credit note quantities here.
-		inv.Invert()
-		if err := inv.Calculate(); err != nil {
+		if err := inv.Invert(); err != nil {
 			return nil, err
 		}
 	}

internal/doc/doc_test.go

@@ -6,7 +6,9 @@ import (
 
 	"github.com/invopop/gobl.ticketbai/internal/doc"
 	"github.com/invopop/gobl.ticketbai/test"
+	"github.com/invopop/gobl/bill"
 	"github.com/invopop/gobl/l10n"
+	"github.com/invopop/gobl/num"
 	"github.com/invopop/gobl/regimes/es"
 	"github.com/invopop/gobl/tax"
 	"github.com/stretchr/testify/assert"
@@ -101,4 +103,20 @@ func TestInvoiceConversion(t *testing.T) {
 
 		assert.Nil(t, invoice.Sujetos.Destinatarios)
 	})
+
+	t.Run("fail when charges are present since they aren't supported", func(t *testing.T) {
+		inv, _ := test.LoadInvoice("sample-invoice.json")
+		inv.Lines[0].Charges = []*bill.LineCharge{{Amount: num.MakeAmount(100, 2)}}
+
+		_, err := doc.NewTicketBAI(inv, ts, role, doc.ZoneBI)
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), "charges are not supported")
+
+		inv.Lines[0].Charges = nil
+		inv.Charges = []*bill.Charge{{Amount: num.MakeAmount(100, 2)}}
+
+		_, err = doc.NewTicketBAI(inv, ts, role, doc.ZoneBI)
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), "charges are not supported")
+	})
 }

internal/doc/validations.go

@@ -39,5 +39,15 @@ func validate(inv *bill.Invoice, zone l10n.Code) error {
 		}
 	}
 
+	for _, l := range inv.Lines {
+		if len(l.Charges) > 0 {
+			return errors.New("charges are not supported")
+		}
+	}
+
+	if len(inv.Charges) > 0 {
+		return errors.New("charges are not supported")
+	}
+
 	return nil
 }

internal/gateways/ebizkaia.go

@@ -1,6 +1,7 @@
 package gateways
 
 import (
+	"context"
 	"crypto/tls"
 	"errors"
 	"fmt"
@@ -60,7 +61,7 @@ func newEbizkaia(env Environment, tlsConfig *tls.Config) *EBizkaiaConn {
 
 // Post sends the complete TicketBAI document to the remote end-point. We assume
 // the document has been signed and prepared.
-func (c *EBizkaiaConn) Post(inv *bill.Invoice, doc *doc.TicketBAI) error {
+func (c *EBizkaiaConn) Post(ctx context.Context, inv *bill.Invoice, doc *doc.TicketBAI) error {
 	payload, err := doc.Bytes()
 	if err != nil {
 		return fmt.Errorf("generating payload: %w", err)
@@ -79,7 +80,7 @@ func (c *EBizkaiaConn) Post(inv *bill.Invoice, doc *doc.TicketBAI) error {
 
 	resp := ebizkaia.LROEPJ240FacturasEmitidasConSGAltaRespuesta{}
 
-	err = c.sendRequest(req, eBizkaiaExecutePath, &resp)
+	err = c.sendRequest(ctx, req, eBizkaiaExecutePath, &resp)
 	if errors.Is(err, ErrInvalidRequest) {
 		if resp.FirstErrorCode() == eBizkaiaN3RespCodeDuplicated {
 			return ErrDuplicatedRecord
@@ -95,7 +96,7 @@ func (c *EBizkaiaConn) Post(inv *bill.Invoice, doc *doc.TicketBAI) error {
 
 // Fetch retrieves the TicketBAI from the remote end-point for the given
 // taxpayer and year.
-func (c *EBizkaiaConn) Fetch(nif string, name string, year int, page int, head *doc.CabeceraFactura) ([]*doc.TicketBAI, error) {
+func (c *EBizkaiaConn) Fetch(ctx context.Context, nif string, name string, year int, page int, head *doc.CabeceraFactura) ([]*doc.TicketBAI, error) {
 	sup := &ebizkaia.Supplier{
 		Year: year,
 		NIF:  nif,
@@ -108,7 +109,7 @@ func (c *EBizkaiaConn) Fetch(nif string, name string, year int, page int, head *
 	}
 
 	resp := ebizkaia.LROEPJ240FacturasEmitidasConSGConsultaRespuesta{}
-	if err := c.sendRequest(d, eBizkaiaQueryPath, &resp); err != nil {
+	if err := c.sendRequest(ctx, d, eBizkaiaQueryPath, &resp); err != nil {
 		return nil, fmt.Errorf("sending fetch request: %w", err)
 	}
 
@@ -122,7 +123,7 @@ func (c *EBizkaiaConn) Fetch(nif string, name string, year int, page int, head *
 
 // Cancel sends the cancellation request for the TickeBAI invoice to the remote
 // end-point.
-func (c *EBizkaiaConn) Cancel(inv *bill.Invoice, doc *doc.AnulaTicketBAI) error {
+func (c *EBizkaiaConn) Cancel(ctx context.Context, inv *bill.Invoice, doc *doc.AnulaTicketBAI) error {
 	payload, err := doc.Bytes()
 	if err != nil {
 		return fmt.Errorf("generating payload: %w", err)
@@ -139,11 +140,12 @@ func (c *EBizkaiaConn) Cancel(inv *bill.Invoice, doc *doc.AnulaTicketBAI) error
 		return fmt.Errorf("create request: %w", err)
 	}
 
-	return c.sendRequest(req, eBizkaiaExecutePath, nil)
+	return c.sendRequest(ctx, req, eBizkaiaExecutePath, nil)
 }
 
-func (c *EBizkaiaConn) sendRequest(doc *ebizkaia.Request, path string, resp interface{}) error {
+func (c *EBizkaiaConn) sendRequest(ctx context.Context, doc *ebizkaia.Request, path string, resp interface{}) error {
 	r := c.client.R().
+		SetContext(ctx).
 		SetHeader("Content-Encoding", "gzip").
 		SetHeader("Content-Type", "application/octet-stream").
 		SetHeader("Accept-Encoding", "gzip").

internal/gateways/gateways.go

@@ -3,6 +3,7 @@
 package gateways
 
 import (
+	"context"
 	"errors"
 	"fmt"
 
@@ -32,9 +33,9 @@ var (
 type Connection interface {
 	// Post sends the complete TicketBAI document to the remote end-point. We assume
 	// the document has been fully prepared and signed.
-	Post(inv *bill.Invoice, doc *doc.TicketBAI) error
-	Fetch(nif string, name string, year int, page int, head *doc.CabeceraFactura) ([]*doc.TicketBAI, error)
-	Cancel(inv *bill.Invoice, doc *doc.AnulaTicketBAI) error
+	Post(ctx context.Context, inv *bill.Invoice, doc *doc.TicketBAI) error
+	Fetch(ctx context.Context, nif string, name string, year int, page int, head *doc.CabeceraFactura) ([]*doc.TicketBAI, error)
+	Cancel(ctx context.Context, inv *bill.Invoice, doc *doc.AnulaTicketBAI) error
 }
 
 // List keeps together the list of connections

test/data/credit-note-es-es-tbai.json

@@ -1,10 +1,10 @@
 {
 	"$schema": "https://gobl.org/draft-0/envelope",
 	"head": {
-		"uuid": "8a51fd30-2a27-11ee-be56-0242ac120002",
+		"uuid": "78f1695c-e5ce-11ee-9527-e6a7901137ed",
 		"dig": {
 			"alg": "sha256",
-			"val": "2349886e98f484bd81d81d4d07b16d686259e5e4e56ad218d81796b4ac8ae1ec"
+			"val": "0c28b4a60a0330ad4c2f419c9c3b8a3d43eb8cd51f24eef926710bea9cdb1134"
 		},
 		"draft": true
 	},
@@ -104,19 +104,25 @@
 					"price": "10.00"
 				},
 				"sum": "10.00",
+				"discounts": [
+					{
+						"amount": "5.00",
+						"reason": "5-euro coupon"
+					}
+				],
 				"taxes": [
 					{
 						"cat": "VAT",
 						"rate": "zero",
 						"percent": "0.0%"
 					}
 				],
-				"total": "10.00"
+				"total": "5.00"
 			}
 		],
 		"totals": {
-			"sum": "1630.00",
-			"total": "1630.00",
+			"sum": "1625.00",
+			"total": "1625.00",
 			"taxes": {
 				"categories": [
 					{
@@ -130,7 +136,7 @@
 							},
 							{
 								"key": "zero",
-								"base": "10.00",
+								"base": "5.00",
 								"percent": "0.0%",
 								"amount": "0.00"
 							}
@@ -141,8 +147,8 @@
 				"sum": "340.20"
 			},
 			"tax": "340.20",
-			"total_with_tax": "1970.20",
-			"payable": "1970.20"
+			"total_with_tax": "1965.20",
+			"payable": "1965.20"
 		},
 		"notes": [
 			{

test/data/credit-note-es-es-tbai.yaml

@@ -59,6 +59,9 @@ lines:
     item:
       name: "Financial service"
       price: "10.00"
+    discounts:
+      - amount: "5.00"
+        reason: "5-euro coupon"
     taxes:
       - cat: VAT
         rate: zero