forked from mirror/gorm
113 lines
2.1 KiB
Go
113 lines
2.1 KiB
Go
package gorm
|
|
|
|
import (
|
|
"bytes"
|
|
"database/sql"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
)
|
|
|
|
type safeMap struct {
|
|
m map[string]string
|
|
l *sync.RWMutex
|
|
}
|
|
|
|
func (s *safeMap) Set(key string, value string) {
|
|
s.l.Lock()
|
|
defer s.l.Unlock()
|
|
s.m[key] = value
|
|
}
|
|
|
|
func (s *safeMap) Get(key string) string {
|
|
s.l.RLock()
|
|
defer s.l.RUnlock()
|
|
return s.m[key]
|
|
}
|
|
|
|
func newSafeMap() *safeMap {
|
|
return &safeMap{l: new(sync.RWMutex), m: make(map[string]string)}
|
|
}
|
|
|
|
var smap = newSafeMap()
|
|
var umap = newSafeMap()
|
|
|
|
func toSnake(u string) string {
|
|
if v := smap.Get(u); v != "" {
|
|
return v
|
|
}
|
|
|
|
buf := bytes.NewBufferString("")
|
|
for i, v := range u {
|
|
if i > 0 && v >= 'A' && v <= 'Z' {
|
|
buf.WriteRune('_')
|
|
}
|
|
buf.WriteRune(v)
|
|
}
|
|
|
|
s := strings.ToLower(buf.String())
|
|
go smap.Set(u, s)
|
|
return s
|
|
}
|
|
|
|
func snakeToUpperCamel(s string) string {
|
|
if v := umap.Get(s); v != "" {
|
|
return v
|
|
}
|
|
|
|
buf := bytes.NewBufferString("")
|
|
for _, v := range strings.Split(s, "_") {
|
|
if len(v) > 0 {
|
|
buf.WriteString(strings.ToUpper(v[:1]))
|
|
buf.WriteString(v[1:])
|
|
}
|
|
}
|
|
|
|
u := buf.String()
|
|
go umap.Set(s, u)
|
|
return u
|
|
}
|
|
|
|
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 setFieldValue(field reflect.Value, value interface{}) bool {
|
|
if field.IsValid() && field.CanAddr() {
|
|
switch field.Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
if str, ok := value.(string); ok {
|
|
value, _ = strconv.Atoi(str)
|
|
}
|
|
field.SetInt(reflect.ValueOf(value).Int())
|
|
default:
|
|
if scanner, ok := field.Addr().Interface().(sql.Scanner); ok {
|
|
scanner.Scan(value)
|
|
} else {
|
|
field.Set(reflect.ValueOf(value))
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func isBlank(value reflect.Value) bool {
|
|
return reflect.DeepEqual(value.Interface(), reflect.Zero(value.Type()).Interface())
|
|
}
|