57 lines
990 B
Go
57 lines
990 B
Go
package main
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import (
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"database/sql/driver"
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"encoding/json"
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"fmt"
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"time"
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)
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type Duration struct {
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time.Duration
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}
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func (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(d.String())
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}
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var v interface{}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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switch value := v.(type) {
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case float64:
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d.Duration = time.Duration(value)
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return nil
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case string:
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var err error
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d.Duration, err = time.ParseDuration(value)
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if err != nil {
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return err
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}
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return nil
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default:
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return fmt.Errorf("invalid duration")
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}
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}
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func (d *Duration) Scan(value interface{}) error {
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str, ok := value.(string)
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if !ok {
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return fmt.Errorf("failed to unmarshal string value: %v", value)
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}
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var err error
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d.Duration, err = time.ParseDuration(str)
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return err
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}
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func (d Duration) Value() (driver.Value, error) {
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return d.Duration.String(), nil
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}
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func (Duration) GormDataType() string {
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return "TEXT"
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}
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