41 lines
990 B
Go
41 lines
990 B
Go
package tools
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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"github.com/crypto/byteclaw/internal/llm"
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)
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// TimeNow returns the current time, optionally in an IANA time zone.
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type TimeNow struct{ Now func() time.Time }
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func (TimeNow) Spec() llm.ToolSpec {
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return llm.ToolSpec{
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Name: "time_now",
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Description: "Get the current date and time. Optional IANA time zone, e.g. Europe/Berlin.",
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Parameters: obj(map[string]any{"timezone": map[string]any{"type": "string"}}),
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}
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}
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func (t TimeNow) Call(_ context.Context, raw json.RawMessage) (string, error) {
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var a struct{ Timezone string `json:"timezone"` }
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if err := json.Unmarshal(raw, &a); err != nil {
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return "", err
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}
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now := time.Now
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if t.Now != nil {
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now = t.Now
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}
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n := now()
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if a.Timezone != "" {
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loc, err := time.LoadLocation(a.Timezone)
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if err != nil {
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return "", fmt.Errorf("unknown timezone %q", a.Timezone)
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}
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n = n.In(loc)
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}
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return n.Format("2006-01-02T15:04:05 MST (Monday)"), nil
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}
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