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webConn_test.go
implementation.go 1.82 KiB
////////////////////////////////////////////////////////////////////////////////
// Copyright © 2022 xx foundation //
// //
// Use of this source code is governed by a license that can be found in the //
// LICENSE file. //
////////////////////////////////////////////////////////////////////////////////
//go:build js && wasm
package main
import (
"encoding/json"
"github.com/hack-pad/go-indexeddb/idb"
"github.com/pkg/errors"
"gitlab.com/elixxir/wasm-utils/utils"
"gitlab.com/elixxir/xxdk-wasm/indexedDb/impl"
"syscall/js"
)
// stateModel implements [ClientState] interface backed by IndexedDb.
// NOTE: This model is NOT thread safe - it is the responsibility of the
// caller to ensure that its methods are called sequentially.
type stateModel struct {
db *idb.Database
}
func (s *stateModel) Get(key string) ([]byte, error) {
result, err := impl.Get(s.db, stateStoreName, js.ValueOf(key))
if err != nil {
return nil, err
}
stateObj := &State{}
err = json.Unmarshal([]byte(utils.JsToJson(result)), stateObj)
if err != nil {
return nil, err
}
return stateObj.Value, err
}
func (s *stateModel) Set(key string, value []byte) error {
state := &State{
Id: key,
Value: value,
}
// Convert to jsObject
newStateJSON, err := json.Marshal(state)
if err != nil {
return errors.Errorf("Unable to marshal State: %+v", err)
}
stateObj, err := utils.JsonToJS(newStateJSON)
if err != nil {
return errors.Errorf("Unable to marshal State: %+v", err)
}
// Store State to database
_, err = impl.Put(s.db, stateStoreName, stateObj)
if err != nil {
return errors.Errorf("Unable to put State: %+v\n%s",
err, newStateJSON)
}
return nil
}