复制项目

pkg/common/storage/versionctx/version.go

@@ -0,0 +1,49 @@
+package versionctx
+
+import (
+	"context"
+	"sync"
+
+	tablerelation "git.imall.cloud/openim/open-im-server-deploy/pkg/common/storage/model"
+)
+
+type Collection struct {
+	Name string
+	Doc  *tablerelation.VersionLog
+}
+
+type versionKey struct{}
+
+func WithVersionLog(ctx context.Context) context.Context {
+	return context.WithValue(ctx, versionKey{}, &VersionLog{})
+}
+
+func GetVersionLog(ctx context.Context) *VersionLog {
+	if v, ok := ctx.Value(versionKey{}).(*VersionLog); ok {
+		return v
+	}
+	return nil
+}
+
+type VersionLog struct {
+	lock sync.Mutex
+	data []Collection
+}
+
+func (v *VersionLog) Append(data ...Collection) {
+	if v == nil || len(data) == 0 {
+		return
+	}
+	v.lock.Lock()
+	defer v.lock.Unlock()
+	v.data = append(v.data, data...)
+}
+
+func (v *VersionLog) Get() []Collection {
+	if v == nil {
+		return nil
+	}
+	v.lock.Lock()
+	defer v.lock.Unlock()
+	return v.data
+}