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Golangのgormで、カスタマイズしたtime.Timeに差し変える ref: http://qiita.com/roothybrid7/items/52623bedb45ff0c26a8a
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| // gorm.Model | |
| type Model struct { | |
| ID uint64 `gorm:"primary_key"` | |
| CreatedAt time.Time | |
| UpdatedAt time.Time | |
| DeletedAt *time.Time | |
| } |
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| // Time Format | |
| const ( | |
| RFC3339 = "2006-01-02T15:04:05Z07:00" | |
| RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00" | |
| ) | |
| // JSON Encode | |
| func (t Time) MarshalJSON() ([]byte, error) { | |
| if y := t.Year(); y < 0 || y >= 10000 { | |
| // RFC 3339 is clear that years are 4 digits exactly. | |
| // See golang.org/issue/4556#c15 for more discussion. | |
| return nil, errors.New("Time.MarshalJSON: year outside of range [0,9999]") | |
| } | |
| return []byte(t.Format(`"` + RFC3339Nano + `"`)), nil | |
| } |
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| type Model struct { | |
| ID uint64 `gorm:"primary_key"` | |
| CreatedAt ResourceTime `json:"createdAt"` | |
| UpdatedAt ResourceTime `json:"updatedAt"` | |
| DeletedAt *time.Time `json:"deletedAt,omitempty"` | |
| } |
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| package typedef | |
| import ( | |
| "database/sql/driver" | |
| "errors" | |
| "time" | |
| ) | |
| // XXX: アプリでナノ秒は必要ないので秒まででフォーマット | |
| //{ | |
| // "createdAt": "2015-08-09T15:03:05.135166971Z", | |
| // "objectID": "55c112a40000a1" | |
| //} | |
| // See: http://qiita.com/taizo/items/2c3a338f1aeea86ce9e2 | |
| type ResourceTime struct { | |
| time.Time | |
| } | |
| func (rt ResourceTime) MarshalJSON() ([]byte, error) { | |
| t := rt.Time | |
| if y := t.Year(); y < 0 || y >= 10000 { | |
| return nil, errors.New("ResourceTime.MarshalJSON: year outside of range [0,9999]") | |
| } | |
| return []byte(t.Format(`"` + time.RFC3339 + `"`)), nil | |
| } | |
| func (rt ResourceTime) MarshalText() ([]byte, error) { | |
| t := rt.Time | |
| if y := t.Year(); y < 0 || y >= 10000 { | |
| return nil, errors.New("Time.MarshalText: year outside of range [0,9999]") | |
| } | |
| return []byte(t.Format(time.RFC3339)), nil | |
| } | |
| // Sql driver interface | |
| func (rt *ResourceTime) Scan(value interface{}) error { | |
| rt.Time = value.(time.Time) | |
| return nil | |
| } | |
| func (rt ResourceTime) Value() (driver.Value, error) { | |
| return rt.Time, nil | |
| } |
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