coze-studio/backend/domain/workflow/internal/nodes/database/customsql.go

128 lines
3.2 KiB
Go

/*
* 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 database
import (
"context"
"errors"
"reflect"
"strings"
"github.com/coze-dev/coze-studio/backend/domain/workflow/crossdomain/database"
"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
"github.com/coze-dev/coze-studio/backend/pkg/sonic"
)
type CustomSQLConfig struct {
DatabaseInfoID int64
SQLTemplate string
OutputConfig map[string]*vo.TypeInfo
CustomSQLExecutor database.DatabaseOperator
}
func NewCustomSQL(_ context.Context, cfg *CustomSQLConfig) (*CustomSQL, error) {
if cfg == nil {
return nil, errors.New("config is required")
}
if cfg.DatabaseInfoID == 0 {
return nil, errors.New("database info id is required and greater than 0")
}
if cfg.SQLTemplate == "" {
return nil, errors.New("sql template is required")
}
if cfg.CustomSQLExecutor == nil {
return nil, errors.New("custom sqler is required")
}
return &CustomSQL{
config: cfg,
}, nil
}
type CustomSQL struct {
config *CustomSQLConfig
}
func (c *CustomSQL) Execute(ctx context.Context, input map[string]any) (map[string]any, error) {
req := &database.CustomSQLRequest{
DatabaseInfoID: c.config.DatabaseInfoID,
IsDebugRun: isDebugExecute(ctx),
UserID: getExecUserID(ctx),
}
inputBytes, err := sonic.Marshal(input)
if err != nil {
return nil, err
}
templateSQL := ""
templateParts := nodes.ParseTemplate(c.config.SQLTemplate)
sqlParams := make([]database.SQLParam, 0, len(templateParts))
var nilError = errors.New("field is nil")
for _, templatePart := range templateParts {
if !templatePart.IsVariable {
templateSQL += templatePart.Value
continue
}
templateSQL += "?"
val, err := templatePart.Render(inputBytes, nodes.WithNilRender(func() (string, error) {
return "", nilError
}),
nodes.WithCustomRender(reflect.TypeOf(false), func(val any) (string, error) {
b := val.(bool)
if b {
return "1", nil
}
return "0", nil
}))
if err != nil {
if !errors.Is(err, nilError) {
return nil, err
}
sqlParams = append(sqlParams, database.SQLParam{
IsNull: true,
})
} else {
sqlParams = append(sqlParams, database.SQLParam{
Value: val,
IsNull: false,
})
}
}
// replace sql template '?' to ?
templateSQL = strings.Replace(templateSQL, "'?'", "?", -1)
templateSQL = strings.Replace(templateSQL, "`?`", "?", -1)
req.SQL = templateSQL
req.Params = sqlParams
response, err := c.config.CustomSQLExecutor.Execute(ctx, req)
if err != nil {
return nil, err
}
ret, err := responseFormatted(c.config.OutputConfig, response)
if err != nil {
return nil, err
}
return ret, nil
}