cosmos-sdk/orm/model/ormdb/json.go

144 lines
2.8 KiB
Go

package ormdb
import (
"context"
"fmt"
"sort"
"golang.org/x/exp/maps"
"google.golang.org/protobuf/reflect/protoreflect"
"cosmossdk.io/errors"
"github.com/cosmos/cosmos-sdk/orm/types/ormerrors"
"github.com/cosmos/cosmos-sdk/orm/types/ormjson"
)
func (m moduleDB) DefaultJSON(target ormjson.WriteTarget) error {
tableNames := maps.Keys(m.tablesByName)
sort.Slice(tableNames, func(i, j int) bool {
ti, tj := tableNames[i], tableNames[j]
return ti.Name() < tj.Name()
})
for _, name := range tableNames {
table := m.tablesByName[name]
w, err := target.OpenWriter(name)
if err != nil {
return err
}
_, err = w.Write(table.DefaultJSON())
if err != nil {
return err
}
err = w.Close()
if err != nil {
return err
}
}
return nil
}
func (m moduleDB) ValidateJSON(source ormjson.ReadSource) error {
errMap := map[protoreflect.FullName]error{}
names := maps.Keys(m.tablesByName)
sort.Slice(names, func(i, j int) bool {
ti, tj := names[i], names[j]
return ti.Name() < tj.Name()
})
for _, name := range names {
r, err := source.OpenReader(name)
if err != nil {
return err
}
if r == nil {
continue
}
table := m.tablesByName[name]
err = table.ValidateJSON(r)
if err != nil {
errMap[name] = err
}
err = r.Close()
if err != nil {
return err
}
}
if len(errMap) != 0 {
var allErrors string
for name, err := range errMap {
allErrors += fmt.Sprintf("Error in JSON for table %s: %v\n", name, err)
}
return ormerrors.JSONValidationError.Wrap(allErrors)
}
return nil
}
func (m moduleDB) ImportJSON(ctx context.Context, source ormjson.ReadSource) error {
var names []string
for name := range m.tablesByName {
names = append(names, string(name))
}
sort.Strings(names)
for _, name := range names {
fullName := protoreflect.FullName(name)
table := m.tablesByName[fullName]
r, err := source.OpenReader(fullName)
if err != nil {
return errors.Wrapf(err, "table %s", fullName)
}
if r == nil {
continue
}
err = table.ImportJSON(ctx, r)
if err != nil {
return errors.Wrapf(err, "table %s", fullName)
}
err = r.Close()
if err != nil {
return errors.Wrapf(err, "table %s", fullName)
}
}
return nil
}
func (m moduleDB) ExportJSON(ctx context.Context, sink ormjson.WriteTarget) error {
// Ensure that we export the tables in a deterministic order.
tableNames := maps.Keys(m.tablesByName)
sort.Slice(tableNames, func(i, j int) bool {
ti, tj := tableNames[i], tableNames[j]
return ti.Name() < tj.Name()
})
for _, name := range tableNames {
w, err := sink.OpenWriter(name)
if err != nil {
return err
}
table := m.tablesByName[name]
err = table.ExportJSON(ctx, w)
if err != nil {
return err
}
err = w.Close()
if err != nil {
return err
}
}
return nil
}