feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/domain/memory/variables/repository/repository.go

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * 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 repository
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/project_memory"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/variables/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/variables/internal/dal"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
+)
+
+func NewVariableRepo(db *gorm.DB, generator idgen.IDGenerator) VariableRepository {
+	return dal.NewDAO(db, generator)
+}
+
+type VariableRepository interface {
+	DeleteAllVariableData(ctx context.Context, bizType project_memory.VariableConnector, bizID string) (err error)
+	DeleteVariableInstance(ctx context.Context, do *entity.UserVariableMeta, keywords []string) error
+	GetVariableInstances(ctx context.Context, do *entity.UserVariableMeta, keywords []string) ([]*entity.VariableInstance, error)
+	UpdateVariableInstance(ctx context.Context, KVs []*entity.VariableInstance) error
+	InsertVariableInstance(ctx context.Context, KVs []*entity.VariableInstance) error
+	GetProjectVariable(ctx context.Context, projectID, version string) (*entity.VariablesMeta, error)
+	GetAgentVariable(ctx context.Context, projectID, version string) (*entity.VariablesMeta, error)
+	CreateProjectVariable(ctx context.Context, do *entity.VariablesMeta) (int64, error)
+	CreateVariableMeta(ctx context.Context, do *entity.VariablesMeta, bizType project_memory.VariableConnector) (int64, error)
+	UpdateProjectVariable(ctx context.Context, do *entity.VariablesMeta, bizType project_memory.VariableConnector) error
+	GetVariableMeta(ctx context.Context, bizID string, bizType project_memory.VariableConnector, version string) (*entity.VariablesMeta, error)
+	GetVariableMetaByID(ctx context.Context, id int64) (*entity.VariablesMeta, error)
+}