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// Copyright 2014 beego Author. All Rights Reserved.
//
// 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 orm
import (
"errors"
"fmt"
"strconv"
"time"
)
const (
// bool
TypeBooleanField = 1 << iota
// string
TypeCharField
// string
TypeTextField
// time.Time
TypeDateField
// time.Time
TypeDateTimeField
// int8
TypeBitField
// int16
TypeSmallIntegerField
// int32
TypeIntegerField
// int64
TypeBigIntegerField
// uint8
TypePositiveBitField
// uint16
TypePositiveSmallIntegerField
// uint32
TypePositiveIntegerField
// uint64
TypePositiveBigIntegerField
// float64
TypeFloatField
// float64
TypeDecimalField
RelForeignKey
RelOneToOne
RelManyToMany
RelReverseOne
RelReverseMany
)
const (
IsIntegerField = ^-TypePositiveBigIntegerField >> 4 << 5
IsPostiveIntegerField = ^-TypePositiveBigIntegerField >> 8 << 9
IsRelField = ^-RelReverseMany >> 14 << 15
IsFieldType = ^-RelReverseMany<<1 + 1
)
// A true/false field.
type BooleanField bool
func (e BooleanField) Value() bool {
return bool(e)
}
func (e *BooleanField) Set(d bool) {
*e = BooleanField(d)
}
func (e *BooleanField) String() string {
return strconv.FormatBool(e.Value())
}
func (e *BooleanField) FieldType() int {
return TypeBooleanField
}
func (e *BooleanField) SetRaw(value interface{}) error {
switch d := value.(type) {
case bool:
e.Set(d)
case string:
v, err := StrTo(d).Bool()
if err != nil {
e.Set(v)
}
return err
default:
return errors.New(fmt.Sprintf("<BooleanField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *BooleanField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(BooleanField)
// A string field
// required values tag: size
// The size is enforced at the database level and in models’s validation.
// eg: `orm:"size(120)"`
type CharField string
func (e CharField) Value() string {
return string(e)
}
func (e *CharField) Set(d string) {
*e = CharField(d)
}
func (e *CharField) String() string {
return e.Value()
}
func (e *CharField) FieldType() int {
return TypeCharField
}
func (e *CharField) SetRaw(value interface{}) error {
switch d := value.(type) {
case string:
e.Set(d)
default:
return errors.New(fmt.Sprintf("<CharField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *CharField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(CharField)
// A date, represented in go by a time.Time instance.
// only date values like 2006-01-02
// Has a few extra, optional attr tag:
//
// auto_now:
// Automatically set the field to now every time the object is saved. Useful for “last-modified” timestamps.
// Note that the current date is always used; it’s not just a default value that you can override.
//
// auto_now_add:
// Automatically set the field to now when the object is first created. Useful for creation of timestamps.
// Note that the current date is always used; it’s not just a default value that you can override.
//
// eg: `orm:"auto_now"` or `orm:"auto_now_add"`
type DateField time.Time
func (e DateField) Value() time.Time {
return time.Time(e)
}
func (e *DateField) Set(d time.Time) {
*e = DateField(d)
}
func (e *DateField) String() string {
return e.Value().String()
}
func (e *DateField) FieldType() int {
return TypeDateField
}
func (e *DateField) SetRaw(value interface{}) error {
switch d := value.(type) {
case time.Time:
e.Set(d)
case string:
v, err := timeParse(d, format_Date)
if err != nil {
e.Set(v)
}
return err
default:
return errors.New(fmt.Sprintf("<DateField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *DateField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(DateField)
// A date, represented in go by a time.Time instance.
// datetime values like 2006-01-02 15:04:05
// Takes the same extra arguments as DateField.
type DateTimeField time.Time
func (e DateTimeField) Value() time.Time {
return time.Time(e)
}
func (e *DateTimeField) Set(d time.Time) {
*e = DateTimeField(d)
}
func (e *DateTimeField) String() string {
return e.Value().String()
}
func (e *DateTimeField) FieldType() int {
return TypeDateTimeField
}
func (e *DateTimeField) SetRaw(value interface{}) error {
switch d := value.(type) {
case time.Time:
e.Set(d)
case string:
v, err := timeParse(d, format_DateTime)
if err != nil {
e.Set(v)
}
return err
default:
return errors.New(fmt.Sprintf("<DateTimeField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *DateTimeField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(DateTimeField)
// A floating-point number represented in go by a float32 value.
type FloatField float64
func (e FloatField) Value() float64 {
return float64(e)
}
func (e *FloatField) Set(d float64) {
*e = FloatField(d)
}
func (e *FloatField) String() string {
return ToStr(e.Value(), -1, 32)
}
func (e *FloatField) FieldType() int {
return TypeFloatField
}
func (e *FloatField) SetRaw(value interface{}) error {
switch d := value.(type) {
case float32:
e.Set(float64(d))
case float64:
e.Set(d)
case string:
v, err := StrTo(d).Float64()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<FloatField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *FloatField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(FloatField)
// -32768 to 32767
type SmallIntegerField int16
func (e SmallIntegerField) Value() int16 {
return int16(e)
}
func (e *SmallIntegerField) Set(d int16) {
*e = SmallIntegerField(d)
}
func (e *SmallIntegerField) String() string {
return ToStr(e.Value())
}
func (e *SmallIntegerField) FieldType() int {
return TypeSmallIntegerField
}
func (e *SmallIntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case int16:
e.Set(d)
case string:
v, err := StrTo(d).Int16()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<SmallIntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *SmallIntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(SmallIntegerField)
// -2147483648 to 2147483647
type IntegerField int32
func (e IntegerField) Value() int32 {
return int32(e)
}
func (e *IntegerField) Set(d int32) {
*e = IntegerField(d)
}
func (e *IntegerField) String() string {
return ToStr(e.Value())
}
func (e *IntegerField) FieldType() int {
return TypeIntegerField
}
func (e *IntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case int32:
e.Set(d)
case string:
v, err := StrTo(d).Int32()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<IntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *IntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(IntegerField)
// -9223372036854775808 to 9223372036854775807.
type BigIntegerField int64
func (e BigIntegerField) Value() int64 {
return int64(e)
}
func (e *BigIntegerField) Set(d int64) {
*e = BigIntegerField(d)
}
func (e *BigIntegerField) String() string {
return ToStr(e.Value())
}
func (e *BigIntegerField) FieldType() int {
return TypeBigIntegerField
}
func (e *BigIntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case int64:
e.Set(d)
case string:
v, err := StrTo(d).Int64()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<BigIntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *BigIntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(BigIntegerField)
// 0 to 65535
type PositiveSmallIntegerField uint16
func (e PositiveSmallIntegerField) Value() uint16 {
return uint16(e)
}
func (e *PositiveSmallIntegerField) Set(d uint16) {
*e = PositiveSmallIntegerField(d)
}
func (e *PositiveSmallIntegerField) String() string {
return ToStr(e.Value())
}
func (e *PositiveSmallIntegerField) FieldType() int {
return TypePositiveSmallIntegerField
}
func (e *PositiveSmallIntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case uint16:
e.Set(d)
case string:
v, err := StrTo(d).Uint16()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<PositiveSmallIntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *PositiveSmallIntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(PositiveSmallIntegerField)
// 0 to 4294967295
type PositiveIntegerField uint32
func (e PositiveIntegerField) Value() uint32 {
return uint32(e)
}
func (e *PositiveIntegerField) Set(d uint32) {
*e = PositiveIntegerField(d)
}
func (e *PositiveIntegerField) String() string {
return ToStr(e.Value())
}
func (e *PositiveIntegerField) FieldType() int {
return TypePositiveIntegerField
}
func (e *PositiveIntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case uint32:
e.Set(d)
case string:
v, err := StrTo(d).Uint32()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<PositiveIntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *PositiveIntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(PositiveIntegerField)
// 0 to 18446744073709551615
type PositiveBigIntegerField uint64
func (e PositiveBigIntegerField) Value() uint64 {
return uint64(e)
}
func (e *PositiveBigIntegerField) Set(d uint64) {
*e = PositiveBigIntegerField(d)
}
func (e *PositiveBigIntegerField) String() string {
return ToStr(e.Value())
}
func (e *PositiveBigIntegerField) FieldType() int {
return TypePositiveIntegerField
}
func (e *PositiveBigIntegerField) SetRaw(value interface{}) error {
switch d := value.(type) {
case uint64:
e.Set(d)
case string:
v, err := StrTo(d).Uint64()
if err != nil {
e.Set(v)
}
default:
return errors.New(fmt.Sprintf("<PositiveBigIntegerField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *PositiveBigIntegerField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(PositiveBigIntegerField)
// A large text field.
type TextField string
func (e TextField) Value() string {
return string(e)
}
func (e *TextField) Set(d string) {
*e = TextField(d)
}
func (e *TextField) String() string {
return e.Value()
}
func (e *TextField) FieldType() int {
return TypeTextField
}
func (e *TextField) SetRaw(value interface{}) error {
switch d := value.(type) {
case string:
e.Set(d)
default:
return errors.New(fmt.Sprintf("<TextField.SetRaw> unknown value `%s`", value))
}
return nil
}
func (e *TextField) RawValue() interface{} {
return e.Value()
}
var _ Fielder = new(TextField)
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