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manufacturer.go
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manufacturer.go
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package manufacturer
import (
"bytes"
"context"
"fmt"
gmodel "github.com/DIMO-Network/identity-api/graph/model"
"github.com/DIMO-Network/identity-api/internal/repositories/base"
"github.com/DIMO-Network/identity-api/models"
"github.com/ethereum/go-ethereum/common"
"github.com/vektah/gqlparser/v2/gqlerror"
"github.com/vmihailenco/msgpack/v5"
"github.com/volatiletech/sqlboiler/v4/queries/qm"
)
// TokenPrefix is the prfix for the global token id for manufacturers.
const TokenPrefix = "M"
type Repository struct {
*base.Repository
}
type manufacturerPrimaryKey struct {
TokenID int
}
// ToAPI converts a manufacturer to a corresponding graphql model.
func ToAPI(m *models.Manufacturer) (*gmodel.Manufacturer, error) {
globalID, err := base.EncodeGlobalTokenID(TokenPrefix, m.ID)
if err != nil {
return nil, fmt.Errorf("error encoding manufacturer id: %w", err)
}
return &gmodel.Manufacturer{
ID: globalID,
TokenID: m.ID,
Owner: common.BytesToAddress(m.Owner),
MintedAt: m.MintedAt,
Name: m.Name,
}, nil
}
// IDToToken converts token data to a token id.
func IDToToken(b []byte) (int, error) {
var pk manufacturerPrimaryKey
d := msgpack.NewDecoder(bytes.NewBuffer(b))
if err := d.Decode(&pk); err != nil {
return 0, fmt.Errorf("error decoding manufacturer id: %w", err)
}
return pk.TokenID, nil
}
func (r *Repository) GetManufacturer(ctx context.Context, by gmodel.ManufacturerBy) (*gmodel.Manufacturer, error) {
if base.CountTrue(by.TokenID != nil, by.Name != nil) != 1 {
return nil, gqlerror.Errorf("Provide exactly one of `name` or `tokenID`.")
}
var qm qm.QueryMod
switch {
case by.TokenID != nil:
qm = models.ManufacturerWhere.ID.EQ(*by.TokenID)
case by.Name != nil:
qm = models.ManufacturerWhere.Name.EQ(*by.Name)
}
m, err := models.Manufacturers(qm).One(ctx, r.PDB.DBS().Reader)
if err != nil {
return nil, err
}
return ToAPI(m)
}