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hook.go
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hook.go
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// Copyright 2015-present Oursky Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package plugin
import (
"github.com/skygeario/skygear-server/pkg/server/plugin/hook"
"github.com/skygeario/skygear-server/pkg/server/skydb"
"github.com/skygeario/skygear-server/pkg/server/skyerr"
"golang.org/x/net/context"
)
// CreateHookFunc returns a hook.HookFunc that run the hook registered by a
// plugin
func CreateHookFunc(p *Plugin, hookInfo pluginHookInfo) hook.Func {
hookFunc := func(ctx context.Context, record *skydb.Record, oldRecord *skydb.Record) skyerr.Error {
recordout, err := p.transport.RunHook(ctx, hookInfo.Name, record, oldRecord)
if err == nil && hookInfo.Trigger == string(hook.BeforeSave) && !hookInfo.Async {
*record = *recordout
}
if err == nil {
return nil
}
if pluginError, ok := err.(skyerr.Error); ok {
return pluginError
}
return skyerr.MakeError(err)
}
if hookInfo.Async {
return func(ctx context.Context, record *skydb.Record, oldRecord *skydb.Record) skyerr.Error {
// TODO(limouren): think of a way to test this go routine
go hookFunc(ctx, record, oldRecord)
return nil
}
}
return hookFunc
}