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options.go
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options.go
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package workflow
import (
"context"
"github.com/sirupsen/logrus"
gormV2 "gorm.io/gorm"
)
const (
GormDBKey = "gorm-db"
)
type Options interface {
Apply(data *WorkData)
}
type applyFunc func(data *WorkData)
func (f applyFunc) Apply(data *WorkData) {
f(data)
}
func MustGetGormTx(data *WorkData) *gormV2.DB {
return data.MustGet(GormDBKey).(*gormV2.DB)
}
func WithGormV2(db *gormV2.DB) Options {
return applyFunc(func(data *WorkData) {
data.workBegin.Add(func(ctx context.Context, data *WorkData) error {
tx := db.Begin()
if tx.Error != nil {
return tx.Error
}
data.Set(GormDBKey, tx)
return nil
})
data.workCommit.Add(func(ctx context.Context, data *WorkData) error {
return MustGetGormTx(data).Commit().Error
})
data.workRollback.Add(func(ctx context.Context, data *WorkData) error {
return MustGetGormTx(data).Rollback().Error
})
})
}
func WithBegin(f Event) Options {
return applyFunc(func(data *WorkData) {
data.workBegin.Add(f)
})
}
func WithBeforeCommit(f Event) Options {
return applyFunc(func(data *WorkData) {
data.workBeforeCommit.Add(f)
})
}
func WithCommit(f Event) Options {
return applyFunc(func(data *WorkData) {
data.workCommit.Add(f)
})
}
func WithRollback(f Event) Options {
return applyFunc(func(data *WorkData) {
data.workRollback.Add(f)
})
}
func WithFinish(f Event) Options {
return applyFunc(func(data *WorkData) {
data.workFinish.Add(f)
})
}
func WithInterface(param interface{}) Options {
return applyFunc(func(data *WorkData) {
if f, ok := param.(interface {
WorkBegin(context.Context, *WorkData) error
}); ok {
WithBegin(f.WorkBegin).Apply(data)
}
if f, ok := param.(interface {
WorkBeforeCommit(context.Context, *WorkData) error
}); ok {
WithBeforeCommit(f.WorkBeforeCommit).Apply(data)
}
if f, ok := param.(interface {
WorkCommit(context.Context, *WorkData) error
}); ok {
WithCommit(f.WorkCommit).Apply(data)
}
if f, ok := param.(interface {
WorkRollback(context.Context, *WorkData) error
}); ok {
WithRollback(f.WorkRollback).Apply(data)
}
if f, ok := param.(interface {
WorkFinish(context.Context, *WorkData) error
}); ok {
WithFinish(f.WorkFinish).Apply(data)
}
})
}
func WithLogger(logger *logrus.Entry) Options {
return applyFunc(func(data *WorkData) {
data.Logger = logger.WithField("from", "workflow")
})
}