Files
kratos-bootstrap/database/elasticsearch/utils.go
2025-06-25 19:50:51 +08:00

112 lines
2.7 KiB
Go

package elasticsearch
import (
"encoding/json"
"io"
"strings"
"github.com/go-kratos/kratos/v2/encoding"
_ "github.com/go-kratos/kratos/v2/encoding/json"
"github.com/go-kratos/kratos/v2/log"
)
// ParseErrorMessage 解析 Elasticsearch 错误消息
func ParseErrorMessage(body io.ReadCloser) (*ErrorResponse, error) {
defer body.Close()
var errorResponse ErrorResponse
if err := json.NewDecoder(body).Decode(&errorResponse); err != nil {
return nil, ErrUnmarshalResponse
}
return &errorResponse, nil
}
// MergeOptions 合并 Elasticsearch 索引的映射和设置
func MergeOptions(mapping, settings string) (string, error) {
codec := encoding.GetCodec("json")
body := make(map[string]interface{})
if mapping != "" {
var mappingObj map[string]interface{}
if err := codec.Unmarshal([]byte(mapping), &mappingObj); err != nil {
log.Errorf("failed to unmarshal mapping: %v", err)
return "", err
}
if existingMappings, ok := mappingObj["mappings"]; ok {
body["mappings"] = existingMappings
} else {
body["mappings"] = mappingObj
}
}
if settings != "" {
var settingsObj map[string]interface{}
if err := codec.Unmarshal([]byte(settings), &settingsObj); err != nil {
log.Errorf("failed to unmarshal settings: %v", err)
return "", err
}
// 检查 settings 是否包含 settings 字段
if existingSettings, ok := settingsObj["settings"]; ok {
body["settings"] = existingSettings
} else {
body["settings"] = settingsObj
}
}
bodyBytes, err := codec.Marshal(body)
if err != nil {
log.Errorf("failed to marshal request body: %v", err)
return "", err
}
return string(bodyBytes), nil
}
func ParseQueryString(query string) []string {
codec := encoding.GetCodec("json")
var err error
queryMap := make(map[string]string)
if err = codec.Unmarshal([]byte(query), &queryMap); err == nil {
var queries []string
for k, v := range queryMap {
queries = append(queries, k+":"+v)
}
return queries
}
var queryMapArray []map[string]string
if err = codec.Unmarshal([]byte(query), &queryMapArray); err == nil {
var queries []string
for _, item := range queryMapArray {
for k, v := range item {
queries = append(queries, k+":"+v)
}
}
return queries
}
return nil
}
func MakeQueryString(andQuery, orQuery string) string {
a := ParseQueryString(andQuery)
o := ParseQueryString(orQuery)
if len(a) == 0 && len(o) == 0 {
return ""
}
if len(a) > 0 && len(o) == 0 {
return strings.Join(a, " AND ")
} else if len(a) == 0 && len(o) > 0 {
return strings.Join(o, " OR ")
} else if len(a) > 0 && len(o) > 0 {
return strings.Join(a, " AND ") + " AND (" + strings.Join(o, " OR ") + ")"
} else {
return strings.Join(a, " AND ") + " AND " + strings.Join(o, " OR ")
}
}