81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
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package kanboard
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import (
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"context"
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"fmt"
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"reflect"
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"time"
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)
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// GetTimezone returns the server's configured timezone string (e.g., "UTC", "Europe/Berlin").
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func (c *Client) GetTimezone(ctx context.Context) (string, error) {
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var tz string
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if err := c.call(ctx, "getTimezone", nil, &tz); err != nil {
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return "", fmt.Errorf("getTimezone: %w", err)
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}
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return tz, nil
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}
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// loadTimezone fetches and caches the timezone location from the server.
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func (c *Client) loadTimezone(ctx context.Context) error {
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tz, err := c.GetTimezone(ctx)
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if err != nil {
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return err
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}
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loc, err := time.LoadLocation(tz)
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if err != nil {
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return fmt.Errorf("invalid timezone %q: %w", tz, err)
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}
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c.timezone = loc
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return nil
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}
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// ensureTimezone loads the timezone if tzEnabled and not yet loaded.
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func (c *Client) ensureTimezone(ctx context.Context) error {
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if !c.tzEnabled {
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return nil
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}
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var err error
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c.tzOnce.Do(func() {
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err = c.loadTimezone(ctx)
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})
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return err
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}
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// convertTimestamps converts all Timestamp fields in v to the client's timezone.
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// v must be a pointer. Handles structs, pointers to structs, and slices of structs.
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func (c *Client) convertTimestamps(v any) {
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if c.timezone == nil {
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return
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}
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rv := reflect.ValueOf(v)
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c.walkAndConvert(rv)
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}
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var timestampType = reflect.TypeOf(Timestamp{})
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func (c *Client) walkAndConvert(rv reflect.Value) {
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switch rv.Kind() {
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case reflect.Ptr:
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if !rv.IsNil() {
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c.walkAndConvert(rv.Elem())
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}
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case reflect.Struct:
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if rv.Type() == timestampType {
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if rv.CanSet() {
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ts := rv.Addr().Interface().(*Timestamp)
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if !ts.IsZero() {
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ts.Time = ts.Time.In(c.timezone)
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}
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}
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return
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}
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for i := 0; i < rv.NumField(); i++ {
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c.walkAndConvert(rv.Field(i))
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}
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case reflect.Slice:
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for i := 0; i < rv.Len(); i++ {
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c.walkAndConvert(rv.Index(i))
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}
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}
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}
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