mirror of https://github.com/go-gorm/gorm.git
132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
package gorm
|
|
|
|
import (
|
|
"database/sql/driver"
|
|
"fmt"
|
|
"reflect"
|
|
"regexp"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
func fileWithLineNum() string {
|
|
for i := 2; i < 15; i++ {
|
|
_, file, line, ok := runtime.Caller(i)
|
|
if ok && (!regexp.MustCompile(`jinzhu/gorm/.*.go`).MatchString(file) || regexp.MustCompile(`jinzhu/gorm/.*test.go`).MatchString(file)) {
|
|
return fmt.Sprintf("%v:%v", file, line)
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func isBlank(value reflect.Value) bool {
|
|
return reflect.DeepEqual(value.Interface(), reflect.Zero(value.Type()).Interface())
|
|
}
|
|
|
|
func toSearchableMap(attrs ...interface{}) (result interface{}) {
|
|
if len(attrs) > 1 {
|
|
if str, ok := attrs[0].(string); ok {
|
|
result = map[string]interface{}{str: attrs[1]}
|
|
}
|
|
} else if len(attrs) == 1 {
|
|
if attr, ok := attrs[0].(map[string]interface{}); ok {
|
|
result = attr
|
|
}
|
|
|
|
if attr, ok := attrs[0].(interface{}); ok {
|
|
result = attr
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func convertInterfaceToMap(values interface{}) map[string]interface{} {
|
|
attrs := map[string]interface{}{}
|
|
|
|
switch value := values.(type) {
|
|
case map[string]interface{}:
|
|
for k, v := range value {
|
|
attrs[ToDBName(k)] = v
|
|
}
|
|
case []interface{}:
|
|
for _, v := range value {
|
|
for key, value := range convertInterfaceToMap(v) {
|
|
attrs[key] = value
|
|
}
|
|
}
|
|
case interface{}:
|
|
reflectValue := reflect.ValueOf(values)
|
|
|
|
switch reflectValue.Kind() {
|
|
case reflect.Map:
|
|
for _, key := range reflectValue.MapKeys() {
|
|
attrs[ToDBName(key.Interface().(string))] = reflectValue.MapIndex(key).Interface()
|
|
}
|
|
default:
|
|
for _, field := range (&Scope{Value: values}).Fields() {
|
|
if !field.IsBlank && !field.IsIgnored {
|
|
attrs[field.DBName] = field.Field.Interface()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return attrs
|
|
}
|
|
|
|
func equalAsString(a interface{}, b interface{}) bool {
|
|
return toString(a) == toString(b)
|
|
}
|
|
|
|
func toString(str interface{}) string {
|
|
if values, ok := str.([]interface{}); ok {
|
|
var results []string
|
|
for _, value := range values {
|
|
results = append(results, toString(value))
|
|
}
|
|
return strings.Join(results, "_")
|
|
} else if bytes, ok := str.([]byte); ok {
|
|
return string(bytes)
|
|
} else if reflectValue := reflect.Indirect(reflect.ValueOf(str)); reflectValue.IsValid() {
|
|
return fmt.Sprintf("%v", reflectValue.Interface())
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func makeSlice(elemType reflect.Type) interface{} {
|
|
if elemType.Kind() == reflect.Slice {
|
|
elemType = elemType.Elem()
|
|
}
|
|
sliceType := reflect.SliceOf(elemType)
|
|
slice := reflect.New(sliceType)
|
|
slice.Elem().Set(reflect.MakeSlice(sliceType, 0, 0))
|
|
return slice.Interface()
|
|
}
|
|
|
|
func strInSlice(a string, list []string) bool {
|
|
for _, b := range list {
|
|
if b == a {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// getValueFromFields return given fields's value
|
|
func getValueFromFields(value reflect.Value, fieldNames []string) (results []interface{}) {
|
|
// If value is a nil pointer, Indirect returns a zero Value!
|
|
// Therefor we need to check for a zero value,
|
|
// as FieldByName could panic
|
|
if indirectValue := reflect.Indirect(value); indirectValue.IsValid() {
|
|
for _, fieldName := range fieldNames {
|
|
if fieldValue := indirectValue.FieldByName(fieldName); fieldValue.IsValid() {
|
|
result := fieldValue.Interface()
|
|
if r, ok := result.(driver.Valuer); ok {
|
|
result, _ = r.Value()
|
|
}
|
|
results = append(results, result)
|
|
}
|
|
}
|
|
}
|
|
return
|
|
}
|