chore: import upstream snapshot with attribution

internal/service/config/config_service.go

@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 config
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/apache/answer/internal/entity"
+)
+
+// ConfigRepo config repository
+type ConfigRepo interface {
+	GetConfigByID(ctx context.Context, id int) (c *entity.Config, err error)
+	GetConfigByKey(ctx context.Context, key string) (c *entity.Config, err error)
+	GetConfigByKeyFromDB(ctx context.Context, key string) (c *entity.Config, err error)
+	UpdateConfig(ctx context.Context, key, value string) (err error)
+}
+
+// ConfigService user service
+type ConfigService struct {
+	configRepo ConfigRepo
+}
+
+// NewConfigService new config service
+func NewConfigService(configRepo ConfigRepo) *ConfigService {
+	return &ConfigService{
+		configRepo: configRepo,
+	}
+}
+
+// GetIntValue get config int value
+func (cs *ConfigService) GetIntValue(ctx context.Context, key string) (val int, err error) {
+	cf, err := cs.configRepo.GetConfigByKey(ctx, key)
+	if err != nil {
+		return 0, err
+	}
+	return cf.GetIntValue(), nil
+}
+
+// GetStringValue get config string value
+func (cs *ConfigService) GetStringValue(ctx context.Context, key string) (val string, err error) {
+	cf, err := cs.configRepo.GetConfigByKey(ctx, key)
+	if err != nil {
+		return "", err
+	}
+	return cf.Value, nil
+}
+
+// GetStringValueFromDB gets config string value directly from DB, bypassing cache.
+func (cs *ConfigService) GetStringValueFromDB(ctx context.Context, key string) (val string, err error) {
+	cf, err := cs.configRepo.GetConfigByKeyFromDB(ctx, key)
+	if err != nil {
+		return "", err
+	}
+	return cf.Value, nil
+}
+
+// GetArrayStringValue get config array string value
+func (cs *ConfigService) GetArrayStringValue(ctx context.Context, key string) (val []string, err error) {
+	cf, err := cs.configRepo.GetConfigByKey(ctx, key)
+	if err != nil {
+		return nil, err
+	}
+	return cf.GetArrayStringValue(), nil
+}
+
+func (cs *ConfigService) GetJsonConfigByIDAndSetToObject(ctx context.Context, id int, obj any) (err error) {
+	cf, err := cs.configRepo.GetConfigByID(ctx, id)
+	if err != nil {
+		return err
+	}
+	err = json.Unmarshal([]byte(cf.Value), obj)
+	if err != nil {
+		return fmt.Errorf("[%s] config value is not json format", cf.Key)
+	}
+	return nil
+}
+
+// GetConfigByID get config by id
+func (cs *ConfigService) GetConfigByID(ctx context.Context, id int) (c *entity.Config, err error) {
+	return cs.configRepo.GetConfigByID(ctx, id)
+}
+
+func (cs *ConfigService) GetConfigByKey(ctx context.Context, key string) (c *entity.Config, err error) {
+	return cs.configRepo.GetConfigByKey(ctx, key)
+}
+
+// GetIDByKey get config id by key
+func (cs *ConfigService) GetIDByKey(ctx context.Context, key string) (id int, err error) {
+	cf, err := cs.configRepo.GetConfigByKey(ctx, key)
+	if err != nil {
+		return 0, err
+	}
+	return cf.ID, nil
+}
+
+func (cs *ConfigService) UpdateConfig(ctx context.Context, key, value string) (err error) {
+	return cs.configRepo.UpdateConfig(ctx, key, value)
+}