64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
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package kanboard
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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// Timestamp wraps time.Time and handles Kanboard's Unix timestamp JSON format.
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// Kanboard returns timestamps as Unix integers, with 0 or empty strings for null values.
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type Timestamp struct {
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time.Time
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}
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// UnmarshalJSON implements json.Unmarshaler.
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// Supports Unix timestamps as integers, empty strings, "0" strings, and zero values.
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func (t *Timestamp) UnmarshalJSON(data []byte) error {
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// Try to unmarshal as integer (Unix timestamp)
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var unix int64
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if err := json.Unmarshal(data, &unix); err == nil {
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if unix == 0 {
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t.Time = time.Time{}
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} else {
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t.Time = time.Unix(unix, 0)
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}
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return nil
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}
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// Try to unmarshal as string (empty or "0")
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var str string
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if err := json.Unmarshal(data, &str); err == nil {
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if str == "" || str == "0" {
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t.Time = time.Time{}
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return nil
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}
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// Try to parse as numeric string
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var unix int64
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if _, err := fmt.Sscanf(str, "%d", &unix); err == nil {
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if unix == 0 {
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t.Time = time.Time{}
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} else {
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t.Time = time.Unix(unix, 0)
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}
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return nil
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}
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}
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// Handle null
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if string(data) == "null" {
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t.Time = time.Time{}
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return nil
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}
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return fmt.Errorf("cannot unmarshal timestamp: %s", string(data))
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}
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// MarshalJSON implements json.Marshaler.
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// Returns 0 for zero time, otherwise returns Unix timestamp.
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func (t Timestamp) MarshalJSON() ([]byte, error) {
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if t.IsZero() {
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return []byte("0"), nil
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}
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return json.Marshal(t.Unix())
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}
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