mirror of https://github.com/go-gorm/gorm.git
118 lines
2.3 KiB
Go
118 lines
2.3 KiB
Go
package gorm
|
|
|
|
import (
|
|
"bytes"
|
|
"database/sql"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
var toSnakeMap = map[string]string{}
|
|
var toUpperMap = map[string]string{}
|
|
|
|
func toSnake(u string) string {
|
|
if v := toSnakeMap[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())
|
|
toSnakeMap[u] = s
|
|
return s
|
|
}
|
|
|
|
func snakeToUpperCamel(s string) string {
|
|
if v := toUpperMap[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()
|
|
toUpperMap[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.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 {
|
|
switch value.Kind() {
|
|
case reflect.Int, reflect.Int64, reflect.Int32:
|
|
return value.Int() == 0
|
|
case reflect.Float32, reflect.Float64:
|
|
return value.Float() == 0
|
|
case reflect.String:
|
|
return value.String() == ""
|
|
case reflect.Slice:
|
|
return value.Len() == 0
|
|
case reflect.Struct:
|
|
time_value, is_time := value.Interface().(time.Time)
|
|
if is_time {
|
|
return time_value.IsZero()
|
|
} else {
|
|
_, is_scanner := reflect.New(value.Type()).Interface().(sql.Scanner)
|
|
if is_scanner {
|
|
return !value.FieldByName("Valid").Interface().(bool)
|
|
} else {
|
|
m := &Model{data: value.Interface()}
|
|
fields := m.columnsHasValue("other")
|
|
if len(fields) == 0 {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|